Icebergs · event

North american ice service (nais) iceberg bulletin 260001Z jul

209 messages · 2020-12-01 to 2021-07-27

status: closed 2021-07-27 00:01Z
opened: 2020-12-01 19:09Z
sea: Labrador Sea
position: 59.809, -50.286
joined by: chain (a message cancels or replaces another); proximity (same type, same sea, within 30 nm and 30 days)
key: iceberg:NAVAREA4-1168/2020

Timeline · 209 messages, oldest first

NAVAREA IV 1168/202020-12-01 19:09Z → cancelled 2020-12-03 00:01Z (archive)

North american ice service (nais) iceberg bulletin 020001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 020001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-00N 055-51W, 50-45N 053-15W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-50N 056-10W, 51-36N 055-56W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-00N 066-45W, 48-45N 062-00W,
      50-15N 059-15W, 50-45N 059-00W.
   B. 52-10N 055-35W, 53-35N 054-30W,
      55-45N 059-20W, 60-45N 062-45W,
      62-30N 060-00W, 65-00N 057-45W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 NOV 20.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 030001Z DEC 20.

NAVAREA IV 1170/202020-12-02 19:05Z → cancelled 2020-12-04 00:01Z (archive)

North american ice service (nais) iceberg bulletin 030001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 030001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-00N 055-51W, 50-45N 053-15W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-50N 056-10W, 51-36N 055-56W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-00N 066-45W, 48-40N 062-10W,
      50-15N 059-15W, 51-20N 058-00W.
   B. 52-10N 055-35W, 53-35N 054-30W,
      55-45N 059-20W, 60-45N 062-45W,
      62-00N 060-00W, 65-00N 057-45W.
   C. 62-25N 042-03W, 61-53N 041-27W,
      61-51N 042-11W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 NOV 20.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 040001Z DEC 20.

NAVAREA IV 1172/202020-12-03 19:32Z → cancelled 2020-12-05 00:01Z (archive)

North american ice service (nais) iceberg bulletin 040001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 040001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-00N 055-51W, 50-45N 053-15W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-50N 056-10W, 51-36N 055-56W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-00N 066-45W, 48-40N 062-10W,
      50-15N 059-15W, 51-20N 058-00W.
   B. 52-10N 055-35W, 53-35N 054-30W,
      55-45N 059-20W, 60-45N 062-45W,
      62-00N 060-00W, 65-00N 057-45W.
   C. 62-25N 042-03W, 61-53N 041-27W,
      61-51N 042-11W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 NOV 20.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 050001Z DEC 20.

NAVAREA IV 1175/202020-12-04 19:15Z → cancelled 2020-12-06 00:01Z (archive)

North american ice service (nais) iceberg bulletin 050001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 050001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-00N 055-50W, 50-45N 053-00W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-20W, 51-31N 056-04W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-00N 066-45W, 48-40N 062-10W,
      50-15N 059-15W, 51-20N 058-00W.
   B. 52-10N 055-35W, 53-35N 054-30W,
      55-45N 059-20W, 60-45N 062-45W,
      65-00N 057-45W.
   C. 62-22N 042-13W, 62-16N 041-53W,
      60-39N 042-25W, 60-50N 042-45W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 NOV 20.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 060001Z DEC 20.

NAVAREA IV 1177/202020-12-05 19:01Z → cancelled 2020-12-07 00:01Z (archive)

North american ice service (nais) iceberg bulletin 060001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 060001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-00N 055-50W, 50-45N 053-00W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-20W, 51-31N 056-04W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-00N 066-45W, 48-40N 062-10W,
      50-15N 059-15W, 51-20N 058-00W.
   B. 52-10N 055-35W, 53-35N 054-30W,
      55-45N 059-20W, 60-45N 062-45W,
      61-45N 060-15W, 65-00N 057-45W.
   C. 62-22N 042-13W, 62-16N 041-53W,
      60-39N 042-25W, 60-50N 042-45W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 NOV 20.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 070001Z DEC 20.

NAVAREA IV 1185/202020-12-06 19:15Z → cancelled 2020-12-08 00:01Z (archive)

North american ice service (nais) iceberg bulletin 070001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 070001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-00N 055-50W, 50-45N 053-00W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-20W, 51-31N 056-04W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-00N 066-45W, 48-40N 062-10W,
      50-15N 059-15W, 51-20N 058-00W.
   B. 52-10N 055-35W, 53-35N 054-30W,
      55-45N 059-20W, 60-45N 062-45W,
      61-45N 060-15W, 65-00N 057-45W.
   C. 62-22N 042-13W, 62-16N 041-53W,
      60-39N 042-25W, 60-50N 042-45W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 NOV 20.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 080001Z DEC 20.

NAVAREA IV 1213/202020-12-16 19:22Z → cancelled 2020-12-18 00:01Z (archive)

North american ice service (nais) iceberg bulletin 170001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 170001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 54-00N 052-59W,
   55-00N 051-59W, 59-00N 056-59W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-35N 067-15W, 49-30N 064-25W,
      48-40N 061-50W, 51-25N 057-15W.
   B. 52-20N 055-35W, 53-50N 055-15W,
      56-05N 060-05W, 58-15N 060-55W,
      62-30N 057-25W.
   C. 60-43N 042-45W, 60-55N 042-17W,
      61-27N 041-50W, 62-22N 041-43W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 180001Z DEC 20.

NAVAREA IV 1218/202020-12-17 18:58Z → cancelled 2020-12-19 00:01Z (archive)

North american ice service (nais) iceberg bulletin 180001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 180001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 53-45N 053-00W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-10N 066-15W, 49-55N 066-10W,
      49-30N 064-25W, 48-40N 061-50W,
      51-25N 057-15W.
   B. 52-20N 055-35W, 53-50N 055-15W,
      56-05N 060-05W, 58-15N 060-55W,
      62-30N 057-25W.
   C. 60-43N 042-45W, 60-55N 042-17W,
      61-27N 041-50W, 62-22N 041-43W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 190001Z DEC 20.

NAVAREA IV 1220/202020-12-18 19:35Z → cancelled 2020-12-20 00:01Z (archive)

North american ice service (nais) iceberg bulletin 190001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 190001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 53-45N 053-00W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-10N 066-15W, 49-55N 066-10W,
      49-30N 064-25W, 48-40N 061-50W,
      51-25N 057-15W.
   B. 46-30N 063-20W, 47-35N 064-25W,
      48-45N 063-50W, 48-50N 064-15W.
   C. 45-45N 062-50W, 46-00N 062-45W.
   D. 52-20N 055-35W, 53-50N 055-15W,
      56-05N 060-05W, 58-15N 060-55W,
      62-30N 057-25W.
   E. 60-43N 042-45W, 60-55N 042-17W,
      61-27N 041-50W, 62-22N 041-43W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 200001Z DEC 20.

NAVAREA IV 1221/202020-12-19 20:28Z → cancelled 2020-12-21 00:01Z (archive)

North american ice service (nais) iceberg bulletin 200001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 200001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 53-00N 054-00W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-10N 066-15W, 49-50N 066-35W,
      50-05N 064-20W, 49-50N 064-45W,
      48-35N 062-20W, 49-05N 061-25W,
      49-50N 062-05W, 50-00N 059-40W,
      51-25N 057-15W.
   B. 46-30N 063-20W, 47-35N 064-25W,
      48-45N 063-50W, 48-50N 064-15W.
   C. 45-45N 062-50W, 46-00N 062-45W.
   D. 52-20N 055-35W, 53-50N 055-15W,
      56-05N 060-05W, 58-15N 060-55W,
      62-30N 057-25W.
   E. 60-43N 042-45W, 60-55N 042-17W,
      61-27N 041-50W, 62-22N 041-43W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 210001Z DEC 20.

NAVAREA IV 1222/202020-12-20 19:29Z → cancelled 2020-12-22 00:01Z (archive)

North american ice service (nais) iceberg bulletin 210001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 210001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 53-00N 053-30W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-10N 066-15W, 49-50N 066-35W,
      50-05N 064-20W, 49-50N 064-45W,
      48-35N 062-20W, 49-05N 061-25W,
      49-50N 062-05W, 50-00N 059-40W,
      51-25N 057-15W.
   B. 46-30N 063-20W, 47-35N 064-25W,
      48-45N 063-50W, 48-50N 064-15W.
   C. 45-45N 062-50W, 46-00N 062-45W.
   D. 52-20N 055-35W, 53-50N 055-15W,
      56-05N 059-40W, 58-15N 060-55W,
      62-30N 057-25W.
   E. 61-16N 042-38W, 61-02N 042-21W,
      61-36N 041-47W, 62-04N 041-39W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 220001Z DEC 20.

NAVAREA IV 1223/202020-12-21 19:14Z → cancelled 2020-12-23 00:01Z (archive)

North american ice service (nais) iceberg bulletin 220001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 220001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 53-00N 053-30W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-10N 066-15W, 49-55N 065-40W,
      48-30N 062-05W, 51-15N 057-35W,
      50-40N 057-25W.
   B. 46-30N 063-20W, 47-35N 064-25W,
      48-45N 063-50W, 48-50N 064-15W.
   C. 45-45N 062-50W, 46-00N 062-45W.
   D. 48-35N 053-25W, 49-15N 053-20W,
      51-05N 055-05W, 51-55N 055-35W,
      52-55N 055-25W, 53-50N 055-10W,
      56-05N 059-40W, 58-15N 060-55W,
      60-20N 060-55W, 63-50N 057-55W.
   E. 61-16N 042-38W, 61-02N 042-21W,
      61-36N 041-47W, 62-04N 041-39W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 230001Z DEC 20.

NAVAREA IV 1224/202020-12-22 19:27Z → cancelled 2020-12-24 00:01Z (archive)

North american ice service (nais) iceberg bulletin 230001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 230001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 53-00N 053-15W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-05N 066-45W, 49-55N 065-40W,
      48-30N 062-05W, 51-15N 057-35W,
      50-40N 057-20W.
   B. 46-40N 064-40W, 48-45N 063-50W,
      48-55N 064-20W.
   C. 48-35N 053-25W, 49-15N 053-20W,
      51-05N 055-05W, 51-55N 055-35W,
      52-55N 055-25W, 53-50N 055-10W,
      58-15N 060-55W, 59-40N 061-20W,
      63-50N 057-55W.
   D. 62-25N 041-37W, 61-55N 041-23W,
      61-30N 041-45W, 60-44N 042-03W,
      60-13N 042-22W, 60-04N 043-03W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 240001Z DEC 20.

NAVAREA IV 1227/202020-12-23 19:13Z → cancelled 2020-12-25 00:01Z (archive)

North american ice service (nais) iceberg bulletin 240001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 240001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 53-00N 053-15W,
   55-00N 052-00W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-05N 066-45W, 49-55N 065-40W,
      48-30N 062-05W, 51-15N 057-35W,
      50-40N 057-20W.
   B. 46-40N 064-40W, 48-45N 063-50W,
      48-55N 064-20W.
   C. 51-35N 055-40W, 53-50N 055-10W,
      58-15N 060-55W, 63-50N 057-55W.
   D. 62-25N 041-37W, 61-55N 041-23W,
      61-30N 041-45W, 60-44N 042-03W,
      60-13N 042-22W, 60-04N 043-03W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 250001Z DEC 20.

NAVAREA IV 1232/202020-12-25 19:01Z → cancelled 2020-12-27 00:01Z (archive)

North american ice service (nais) iceberg bulletin 260001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 260001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 53-00N 053-15W,
   54-00N 052-15W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-05N 066-45W, 50-00N 065-25W,
      48-45N 062-10W, 49-05N 061-20W,
      49-55N 062-35W, 49-50N 059-55W,
      51-15N 057-35W, 48-40N 058-55W.
   B. 46-15N 064-25W, 47-15N 064-50W,
      48-35N 064-00W, 48-50N 064-10W.
   C. 51-35N 055-40W, 54-00N 055-00W,
      56-10N 059-25W, 58-15N 060-55W,
      63-50N 057-55W.
   D. 62-25N 041-05W, 61-58N 041-18W,
      60-09N 042-30W, 60-00N 042-58W,
      60-04N 043-08W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 270001Z DEC 20.

NAVAREA IV 1233/202020-12-26 18:56Z → cancelled 2020-12-28 00:01Z (archive)

North american ice service (nais) iceberg bulletin 270001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 270001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 52-45N 053-00W,
   54-00N 051-45W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-05N 066-45W, 50-00N 065-25W,
      48-40N 062-10W, 49-05N 061-20W,
      49-55N 062-35W, 49-50N 059-55W,
      51-15N 057-35W, 50-25N 057-30W.
   B. 47-05N 064-50W, 48-10N 064-10W,
      48-25N 064-20W.
   C. 51-35N 055-40W, 54-00N 055-00W,
      56-10N 059-25W, 59-00N 061-25W,
      64-00N 057-55W.
   D. 62-25N 041-05W, 61-58N 041-18W,
      60-09N 042-30W, 60-00N 042-58W,
      60-04N 043-08W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 280001Z DEC 20.

NAVAREA IV 1234/202020-12-27 19:09Z → cancelled 2020-12-29 00:01Z (archive)

North american ice service (nais) iceberg bulletin 280001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 280001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 52-45N 053-00W,
   54-00N 051-45W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 49-15N 065-10W, 49-45N 064-45W,
      48-40N 062-10W, 49-05N 061-20W,
      49-55N 062-35W, 49-50N 059-55W,
      51-15N 057-35W, 50-25N 057-30W.
   B. 46-20N 064-35W, 48-10N 064-10W,
      48-25N 064-20W.
   C. 51-35N 055-40W, 54-00N 055-00W,
      56-10N 059-25W, 59-00N 061-25W,
      60-00N 061-35W, 64-25N 057-50W.
   D. 62-25N 041-05W, 61-58N 041-18W,
      60-09N 042-30W, 60-00N 042-58W,
      60-04N 043-08W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 290001Z DEC 20.

NAVAREA IV 1235/202020-12-28 19:24Z → cancelled 2020-12-30 00:01Z (archive)

North american ice service (nais) iceberg bulletin 290001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 290001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-09N 055-47W, 52-45N 053-00W,
   54-00N 051-30W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 47-05N 064-00W, 48-45N 063-55W,
      49-00N 061-30W, 50-50N 058-00W,
      50-35N 057-20W.
   C. 51-35N 055-40W, 54-00N 055-00W,
      56-10N 059-25W, 59-00N 061-25W,
      59-50N 062-00W, 60-40N 060-30W,
      64-25N 057-50W.
   D. 62-25N 041-05W, 61-58N 041-18W,
      60-09N 042-30W, 60-00N 042-58W,
      60-04N 043-08W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 300001Z DEC 20.

NAVAREA IV 1238/202020-12-29 19:50Z → cancelled 2020-12-31 00:01Z (archive)

North american ice service (nais) iceberg bulletin 300001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 300001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   52-52N 055-49W, 52-45N 052-30W,
   53-45N 051-15W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 47-05N 064-00W, 48-45N 063-55W,
      49-00N 061-30W, 50-50N 058-00W,
      50-35N 057-20W.
   C. 51-35N 055-40W, 53-30N 055-00W,
      58-00N 060-30W, 58-55N 061-05W,
      59-30N 060-15W, 64-25N 057-50W.
   D. 62-25N 040-25W, 61-16N 041-53W,
      59-57N 042-26W, 59-55N 042-49W,
      60-06N 043-05W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 310001Z DEC 20.

NAVAREA IV 1242/202020-12-30 19:03Z → cancelled 2021-01-01 00:01Z (archive)

North american ice service (nais) iceberg bulletin 310001Z dec

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 310001Z DEC.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   52-52N 055-49W, 52-45N 052-30W,
   53-45N 051-15W, 59-00N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   59-00N 057-00W, 60-00N 053-00W,
   58-00N 049-00W, 58-00N 039-00W,
   64-00N 037-00W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 47-05N 064-00W, 48-45N 063-55W,
      49-00N 061-30W, 50-50N 058-00W,
      50-35N 057-20W.
   C. 51-35N 055-40W, 53-30N 055-00W,
      58-00N 060-30W, 58-55N 061-05W,
      59-30N 060-15W, 64-25N 057-50W.
   D. 62-25N 040-25W, 61-16N 041-53W,
      59-57N 042-26W, 59-55N 042-49W,
      60-06N 043-05W.
5. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 12 DEC 20.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 010001Z JAN 21.

NAVAREA IV 45/212021-01-15 20:07Z → cancelled 2021-01-17 00:01Z (archive)

NAIS10 cwis 151938 1. REVISION-01 north american ice service (nais) iceberg bulletin 160001Z jan

NAIS10 CWIS 151938
1. REVISION-01 NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 160001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   52-01N 055-46W, 51-45N 054-00W,
   57-00N 054-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 054-00W, 59-35N 056-20W,
   64-30N 055-30W, 60-00N 051-00W,
   56-40N 047-25W, 57-25N 041-30W,
   62-35N 038-30W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 46-25N 063-10W, 47-15N 064-05W,
      48-40N 063-45W, 48-45N 061-50W,
      50-40N 058-20W, 50-35N 057-20W.
   C. 51-05N 055-45W, 51-55N 054-25W,
      53-05N 054-05W, 58-00N 058-00W,
      61-30N 059-15W, 63-00N 057-45W.
   D. 62-25N 041-22W, 62-05N 041-09W,
      61-36N 041-17W, 60-49N 042-00W,
      59-47N 042-34W, 59-48N 043-35W.
5. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 170001Z JAN 21.

NAVAREA IV 50/212021-01-16 19:02Z → cancelled 2021-01-18 00:01Z (archive)

North american ice service (nais) iceberg bulletin 170001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 170001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   52-01N 055-46W, 51-45N 054-00W,
   57-00N 054-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 054-00W, 59-35N 056-20W,
   64-30N 055-30W, 60-00N 051-00W,
   56-40N 047-25W, 57-25N 041-30W,
   62-35N 038-30W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 46-25N 063-10W, 47-15N 064-05W,
      48-40N 063-45W, 48-45N 061-50W,
      50-40N 058-20W, 50-35N 057-20W.
   C. 51-05N 055-45W, 52-20N 053-40W,
      55-40N 055-25W, 58-00N 057-30W,
      61-30N 059-15W, 63-00N 057-45W.
   D. 62-25N 041-22W, 62-05N 041-09W,
      61-36N 041-17W, 60-49N 042-00W,
      59-47N 042-34W, 59-48N 043-35W.
5. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 180001Z JAN 21.

NAVAREA IV 52/212021-01-17 19:02Z → cancelled 2021-01-19 00:01Z (archive)

North american ice service (nais) iceberg bulletin 180001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 180001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-51N 056-07W, 51-45N 054-00W,
   57-00N 054-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 054-00W, 59-35N 056-20W,
   64-30N 055-30W, 60-00N 051-00W,
   56-40N 047-25W, 57-25N 041-30W,
   62-35N 038-30W, 65-00N 028-00W.
4. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 46-25N 063-10W, 47-15N 064-05W,
      48-40N 063-45W, 48-45N 061-50W,
      50-40N 058-20W, 50-35N 057-20W.
   C. 51-05N 055-45W, 52-20N 053-40W,
      55-00N 054-45W, 58-00N 057-30W,
      61-30N 059-15W, 63-00N 057-45W.
   D. 62-25N 041-22W, 62-05N 041-09W,
      61-36N 041-17W, 60-49N 042-00W,
      59-47N 042-34W, 59-48N 043-35W.
5. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 190001Z JAN 21.

NAVAREA IV 54/212021-01-18 19:23Z → cancelled 2021-01-20 00:01Z (archive)

North american ice service (nais) iceberg bulletin 190001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 190001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-20N 055-34W, 51-30N 053-45W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 59-35N 056-20W,
   64-30N 055-30W, 60-00N 051-00W,
   56-40N 047-25W, 57-25N 041-30W,
   62-35N 038-30W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-42N 056-28W, 51-29N 056-13W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 46-25N 063-10W, 47-15N 064-05W,
      48-40N 063-45W, 48-45N 061-50W,
      50-40N 058-20W, 50-35N 057-20W.
   C. 51-05N 055-45W, 52-20N 053-40W,
      55-00N 054-45W, 58-00N 057-30W,
      61-30N 059-15W, 63-00N 057-45W.
   D. 62-25N 041-10W, 61-31N 041-11W,
      61-17N 041-17W, 60-18N 041-53W,
      59-53N 042-10W, 59-46N 042-21W,
      59-57N 043-00W, 60-04N 043-06W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 200001Z JAN 21.

NAVAREA IV 58/212021-01-19 19:11Z → cancelled 2021-01-21 00:01Z (archive)

North american ice service (nais) iceberg bulletin 200001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 200001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-05N 055-45W, 51-15N 053-45W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 59-35N 056-20W,
   64-30N 055-30W, 60-00N 051-00W,
   56-40N 047-25W, 57-40N 039-30W,
   62-35N 038-30W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-39N 056-35W, 51-25N 056-23W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 46-25N 063-10W, 47-15N 064-05W,
      48-40N 063-45W, 48-45N 061-50W,
      50-40N 058-20W, 50-35N 057-20W.
   C. 51-05N 055-45W, 52-20N 053-40W,
      55-00N 054-45W, 58-00N 057-30W,
      61-30N 059-15W, 63-00N 057-45W.
   D. 62-25N 041-18W, 61-53N 041-08W,
      61-00N 041-20W, 59-49N 042-21W,
      59-20N 042-59W, 59-19N 043-13W,
      59-45N 043-52W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 210001Z JAN 21.

NAVAREA IV 61/212021-01-20 19:19Z → cancelled 2021-01-22 00:01Z (archive)

North american ice service (nais) iceberg bulletin 210001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 210001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-05N 055-45W, 51-15N 053-45W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 59-35N 056-20W,
   64-30N 055-30W, 60-00N 051-00W,
   56-40N 047-25W, 57-40N 039-30W,
   62-35N 038-30W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-39N 056-35W, 51-25N 056-23W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 46-25N 063-10W, 47-15N 064-05W,
      48-40N 063-45W, 48-45N 061-50W,
      50-40N 058-20W, 50-35N 057-20W.
   C. 51-05N 055-45W, 52-20N 053-40W,
      55-00N 054-45W, 58-00N 057-30W,
      61-30N 059-15W, 63-00N 057-45W.
   D. 62-25N 041-18W, 61-53N 041-08W,
      61-00N 041-20W, 59-49N 042-21W,
      59-20N 042-59W, 59-19N 043-13W,
      59-45N 043-52W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 220001Z JAN 21.

NAVAREA IV 65/212021-01-21 19:19Z → cancelled 2021-01-23 00:01Z (archive)

North american ice service (nais) iceberg bulletin 220001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 220001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-49N 056-04W, 51-05N 053-45W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 59-35N 056-20W,
   64-30N 055-30W, 60-00N 051-00W,
   56-40N 047-25W, 57-40N 039-30W,
   62-35N 038-30W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 46-25N 063-10W, 47-15N 064-05W,
      48-40N 063-45W, 48-45N 061-50W,
      50-40N 058-20W, 50-35N 057-20W.
   C. 51-05N 055-45W, 51-30N 054-30W,
      52-20N 053-40W, 55-00N 054-45W,
      58-00N 057-30W, 61-30N 059-15W,
      63-00N 057-45W.
   D. 62-25N 041-18W, 61-53N 041-08W,
      61-00N 041-20W, 59-49N 042-21W,
      59-20N 042-59W, 59-19N 043-13W,
      59-45N 043-52W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 230001Z JAN 21.

NAVAREA IV 69/212021-01-22 19:54Z → cancelled 2021-01-24 00:01Z (archive)

North american ice service (nais) iceberg bulletin 230001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 230001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-49N 056-04W, 51-05N 053-45W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 63-00N 058-00W,
   64-15N 056-00W, 57-20N 047-00W,
   57-20N 041-00W, 63-10N 038-00W,
   65-10N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-45N 062-40W, 46-00N 062-40W.
   B. 46-25N 063-10W, 47-15N 064-05W,
      48-40N 063-45W, 48-45N 061-50W,
      50-40N 058-20W, 50-35N 057-20W.
   C. 51-05N 055-45W, 51-30N 054-30W,
      52-20N 053-40W, 55-00N 054-45W,
      58-00N 058-00W, 62-00N 060-30W,
      64-30N 057-50W.
   D. 62-23N 041-16W, 61-38N 041-30W,
      60-03N 042-32W, 59-33N 043-49W,
      59-36N 044-30W, 59-50N 044-32W,
      59-50N 044-08W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 240001Z JAN 21.

NAVAREA IV 74/212021-01-23 20:31Z → cancelled 2021-01-25 00:01Z (archive)

North american ice service (nais) iceberg bulletin 240001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 240001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-51N 056-02W, 50-50N 053-25W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 63-00N 058-00W,
   64-15N 056-00W, 57-20N 047-00W,
   57-20N 041-00W, 63-10N 038-00W,
   65-10N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-25N 061-05W, 46-20N 061-25W,
      46-00N 061-50W, 46-00N 062-15W,
      46-25N 062-00W.
   B. 46-30N 062-15W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-25N 058-25W, 50-35N 057-20W.
   C. 50-20N 057-30W, 50-15N 057-45W,
      48-25N 059-25W, 48-00N 059-10W.
   D. 51-05N 055-45W, 51-30N 054-30W,
      52-20N 053-40W, 55-00N 054-45W,
      58-00N 058-00W, 62-00N 060-30W,
      64-30N 057-50W.
   E. 62-23N 041-16W, 61-38N 041-30W,
      60-03N 042-32W, 59-33N 043-49W,
      59-36N 044-30W, 59-50N 044-32W,
      59-50N 044-08W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 250001Z JAN 21.

NAVAREA IV 76/212021-01-24 19:12Z → cancelled 2021-01-26 00:01Z (archive)

North american ice service (nais) iceberg bulletin 250001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 250001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-27N 056-24W, 50-40N 053-15W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 63-00N 058-00W,
   64-15N 056-00W, 57-20N 047-00W,
   57-20N 041-00W, 63-10N 038-00W,
   65-10N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-25N 061-05W, 46-20N 061-25W,
      46-00N 061-50W, 46-00N 062-15W,
      46-25N 062-00W.
   B. 46-30N 062-15W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-25N 058-25W, 50-35N 057-20W.
   C. 50-20N 057-30W, 50-15N 057-45W,
      48-25N 059-25W, 48-00N 059-10W.
   D. 49-25N 054-20W, 50-30N 055-10W,
      51-30N 054-30W, 52-20N 053-40W,
      55-00N 054-45W, 58-00N 058-00W,
      62-00N 060-30W, 64-30N 057-50W.
   E. 62-23N 041-16W, 61-38N 041-30W,
      60-03N 042-32W, 59-33N 043-49W,
      59-36N 044-30W, 59-50N 044-32W,
      59-50N 044-08W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 260001Z JAN 21.

NAVAREA IV 78/212021-01-25 21:27Z → cancelled 2021-01-27 00:01Z (archive)

North american ice service (nais) iceberg bulletin 260001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 260001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-27N 056-24W, 50-20N 053-00W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 63-00N 058-00W,
   64-15N 056-00W, 57-20N 047-00W,
   57-20N 041-00W, 63-10N 038-00W,
   65-10N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-25N 061-05W, 46-20N 061-25W,
      46-00N 061-50W, 46-00N 062-15W,
      46-25N 062-00W.
   B. 46-30N 062-15W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   C. 49-25N 054-20W, 50-30N 055-10W,
      51-30N 054-30W, 53-30N 054-35W,
      54-50N 055-35W, 56-10N 056-30W,
      58-00N 058-00W, 62-00N 060-30W,
      64-30N 057-50W.
   D. 62-25N 041-34W, 60-38N 042-17W,
      59-49N 043-13W, 59-39N 043-52W,
      59-38N 044-17W, 59-43N 044-14W,
      59-46N 043-55W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 270001Z JAN 21.

NAVAREA IV 82/212021-01-26 21:10Z → cancelled 2021-01-28 00:01Z (archive)

North american ice service (nais) iceberg bulletin 270001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 270001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-27N 056-24W, 50-00N 052-55W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 63-00N 058-00W,
   64-15N 056-00W, 57-20N 047-00W,
   57-20N 041-00W, 63-10N 038-00W,
   65-10N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-25N 061-05W, 46-20N 061-25W,
      46-00N 061-50W, 46-00N 062-15W,
      46-25N 062-00W.
   B. 46-30N 062-15W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   C. 49-25N 054-20W, 50-30N 055-10W,
      51-30N 054-30W, 53-15N 054-15W,
      54-50N 055-30W, 58-00N 058-00W,
      62-00N 060-00W, 64-30N 057-45W.
   D. 62-25N 041-34W, 60-38N 042-17W,
      59-49N 043-13W, 59-39N 043-52W,
      59-38N 044-17W, 59-43N 044-14W,
      59-46N 043-55W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 13 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 280001Z JAN 21.

NAVAREA IV 84/212021-01-27 21:24Z → cancelled 2021-01-29 00:01Z (archive)

North american ice service (nais) iceberg bulletin 280001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 280001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-30W, 50-00N 052-55W,
   57-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-00N 053-30W, 63-00N 058-00W,
   64-15N 056-00W, 57-20N 048-30W,
   57-20N 041-00W, 62-50N 038-10W,
   65-10N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-25N 061-05W, 46-20N 061-25W,
      46-00N 061-50W, 46-00N 062-15W,
      46-25N 062-00W.
   B. 46-30N 062-15W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   C. 49-25N 054-20W, 50-30N 055-10W,
      51-30N 054-30W, 53-15N 054-15W,
      55-55N 057-00W, 58-00N 058-00W,
      62-00N 060-00W, 64-30N 057-45W.
   D. 62-22N 041-44W, 61-04N 042-09W,
      60-09N 042-50W, 59-52N 043-06W,
      59-48N 043-31W, 59-54N 043-23W.
   E. 60-41N 046-56W, 60-34N 047-58W,
      61-36N 049-31W, 61-51N 050-06W,
      61-55N 050-09W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 27 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 290001Z JAN 21.

NAVAREA IV 87/212021-01-28 19:09Z → cancelled 2021-01-30 00:01Z (archive)

North american ice service (nais) iceberg bulletin 290001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 290001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-26N 054-09W, 50-25N 052-55W,
   55-55N 052-55W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-55N 052-55W, 63-00N 058-00W,
   64-15N 056-00W, 57-20N 048-30W,
   57-20N 041-00W, 62-50N 038-10W,
   65-10N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-25N 061-05W, 46-20N 061-25W,
      46-00N 061-50W, 46-00N 062-15W,
      46-25N 062-00W.
   B. 46-30N 062-15W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   C. 49-25N 054-20W, 50-30N 055-10W,
      51-30N 054-30W, 53-15N 054-15W,
      55-55N 057-00W, 58-00N 058-00W,
      62-00N 060-00W, 64-30N 057-45W.
   D. 62-22N 041-44W, 61-04N 042-09W,
      60-09N 042-50W, 59-52N 043-06W,
      59-48N 043-31W, 59-54N 043-23W.
   E. 60-41N 046-56W, 60-34N 047-58W,
      61-36N 049-31W, 61-51N 050-06W,
      61-55N 050-09W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT SATELLITE PASS 28 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 300001Z JAN 21.

NAVAREA IV 90/212021-01-29 20:01Z → cancelled 2021-01-31 00:01Z (archive)

North american ice service (nais) iceberg bulletin 300001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 300001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-26N 054-09W, 50-25N 052-55W,
   55-30N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 052-00W, 59-00N 056-00W,
   62-00N 054-00W, 58-20N 048-00W,
   58-00N 042-00W, 63-00N 037-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-25N 061-05W, 46-20N 061-25W,
      46-00N 061-50W, 46-00N 062-15W,
      46-25N 062-00W.
   B. 46-30N 062-15W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   C. 49-25N 054-20W, 50-30N 055-10W,
      53-25N 054-50W, 55-55N 058-05W,
      58-00N 059-00W, 62-00N 060-00W,
      64-30N 057-45W.
   D. 62-23N 041-41W, 60-13N 042-44W,
      59-39N 043-30W, 59-26N 045-06W,
      59-37N 045-31W, 59-59N 044-48W.
   E. 60-41N 046-54W, 60-34N 048-03W,
      61-36N 049-32W, 61-55N 050-11W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT SATELLITE PASS 28 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 310001Z JAN 21.

NAVAREA IV 93/212021-01-30 19:52Z → cancelled 2021-02-01 00:01Z (archive)

North american ice service (nais) iceberg bulletin 310001Z jan

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 310001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-18N 053-42W, 50-25N 052-55W,
   55-30N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 052-00W, 59-00N 056-00W,
   62-00N 054-00W, 58-20N 048-00W,
   58-00N 042-00W, 63-00N 037-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-25N 061-05W, 46-20N 061-25W,
      46-00N 061-50W, 46-00N 062-15W,
      46-25N 062-00W.
   B. 46-30N 062-15W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   C. 49-25N 054-20W, 50-30N 055-10W,
      52-15N 054-35W, 53-25N 054-30W,
      55-55N 058-05W, 58-00N 059-00W,
      62-00N 060-00W, 64-30N 057-45W.
   D. 62-23N 041-41W, 60-13N 042-44W,
      59-39N 043-30W, 59-26N 045-06W,
      59-37N 045-31W, 59-59N 044-48W.
   E. 60-41N 046-54W, 60-34N 048-03W,
      61-36N 049-32W, 61-55N 050-11W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 29 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 010001Z FEB 21.

NAVAREA IV 96/212021-01-31 18:52Z → cancelled 2021-02-02 00:01Z (archive)

North american ice service (nais) iceberg bulletin 010001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 010001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-37W, 50-25N 052-40W,
   55-30N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 052-00W, 59-00N 056-00W,
   62-00N 054-00W, 58-20N 048-00W,
   58-00N 042-00W, 63-00N 037-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-25N 061-05W, 46-20N 061-25W,
      46-00N 061-50W, 46-00N 062-15W,
      46-25N 062-00W.
   B. 46-30N 062-15W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   C. 49-25N 054-20W, 50-25N 055-15W,
      51-50N 054-35W, 53-40N 054-25W,
      56-10N 058-35W, 58-00N 059-00W,
      62-00N 060-00W, 64-30N 057-45W.
   D. 62-22N 041-46W, 61-48N 041-54W,
      59-49N 043-12W, 59-27N 044-26W,
      59-44N 045-49W, 60-37N 048-02W,
      61-41N 049-36W, 61-46N 049-24W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 29 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 020001Z FEB 21.

NAVAREA IV 99/212021-02-01 19:21Z → cancelled 2021-02-03 00:01Z (archive)

North american ice service (nais) iceberg bulletin 020001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 020001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-37W, 50-10N 052-35W,
   55-30N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 052-00W, 59-00N 056-00W,
   62-00N 054-00W, 58-20N 048-00W,
   58-00N 042-00W, 63-00N 037-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-49W, 51-20N 056-37W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-20N 061-10W, 47-40N 061-05W,
      47-45N 061-35W, 47-15N 063-50W,
      48-55N 062-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 49-25N 054-20W, 50-25N 055-15W,
      51-50N 054-35W, 53-40N 054-25W,
      56-10N 058-35W, 58-00N 059-00W,
      62-00N 060-00W, 64-30N 057-45W.
   C. 62-22N 041-46W, 61-48N 041-54W,
      59-49N 043-12W, 59-27N 044-26W,
      59-44N 045-49W, 60-37N 048-02W,
      61-41N 049-36W, 61-46N 049-24W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 29 JAN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 030001Z FEB 21.

NAVAREA IV 104/212021-02-02 19:33Z → cancelled 2021-02-04 00:01Z (archive)

North american ice service (nais) iceberg bulletin 030001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 030001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-39N 053-46W, 49-55N 052-20W,
   55-30N 051-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-15N 054-05W, 57-15N 047-05W,
   58-30N 038-10W, 62-20N 035-00W,
   65-20N 028-10W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-40N 056-38W, 51-22N 056-18W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-20N 061-10W, 47-40N 061-05W,
      47-45N 061-35W, 47-15N 063-50W,
      48-55N 062-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 49-25N 054-20W, 50-25N 055-10W,
      51-50N 054-35W, 54-10N 054-55W,
      58-00N 059-00W, 61-20N 060-15W,
      63-20N 057-55W.
   C. 62-25N 041-22W, 59-52N 042-58W,
      59-32N 043-53W, 59-46N 043-52W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 040001Z FEB 21.

NAVAREA IV 107/212021-02-03 19:20Z → cancelled 2021-02-05 00:01Z (archive)

North american ice service (nais) iceberg bulletin 040001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 040001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-39N 053-46W, 49-45N 052-10W,
   55-30N 051-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-15N 054-05W, 57-15N 047-05W,
   58-30N 038-10W, 62-20N 035-00W,
   65-20N 028-10W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-45W, 51-20N 056-25W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-20N 061-10W, 47-40N 061-05W,
      47-45N 061-35W, 47-05N 064-20W,
      49-05N 063-45W, 48-45N 061-50W,
      51-10N 057-20W, 49-45N 057-55W.
   B. 49-25N 054-20W, 50-25N 055-10W,
      51-50N 054-35W, 54-30N 054-35W,
      58-00N 058-30W, 61-30N 059-05W,
      63-00N 057-00W.
   C. 62-25N 041-22W, 59-52N 042-58W,
      59-32N 043-53W, 59-46N 043-52W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 050001Z FEB 21.

NAVAREA IV 109/212021-02-04 19:46Z → cancelled 2021-02-06 00:01Z (archive)

North american ice service (nais) iceberg bulletin 050001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 050001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-39N 053-46W, 49-30N 052-10W,
   55-30N 051-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-15N 054-05W, 57-15N 047-05W,
   58-30N 038-10W, 62-20N 035-00W,
   65-20N 028-10W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-20N 061-10W, 47-40N 061-05W,
      47-45N 061-35W, 47-05N 064-20W,
      49-05N 063-45W, 48-45N 061-50W,
      51-10N 057-20W, 49-45N 057-55W.
   B. 49-25N 054-20W, 50-25N 055-10W,
      51-50N 054-35W, 53-45N 054-40W,
      55-45N 055-35W, 58-00N 058-30W,
      61-30N 059-05W, 63-00N 057-00W.
   C. 62-25N 041-07W, 62-04N 040-56W,
      59-52N 042-27W, 59-41N 043-14W,
      59-53N 043-19W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 060001Z FEB 21.

NAVAREA IV 113/212021-02-05 18:54Z → cancelled 2021-02-07 00:01Z (archive)

North american ice service (nais) iceberg bulletin 060001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 060001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-39N 053-46W, 49-30N 052-10W,
   55-30N 051-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-00N 054-00W, 57-15N 047-00W,
   57-50N 038-25W, 62-20N 035-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-20N 061-10W, 47-40N 061-05W,
      47-45N 061-35W, 47-05N 064-20W,
      49-05N 063-45W, 48-45N 061-50W,
      51-10N 057-20W, 49-45N 057-55W.
   B. 49-20N 053-40W, 49-55N 053-55W,
      50-25N 055-10W, 51-50N 054-35W,
      54-55N 054-30W, 58-00N 058-30W,
      61-30N 059-30W, 63-30N 057-15W.
   C. 62-25N 041-07W, 62-04N 040-56W,
      59-52N 042-27W, 59-41N 043-14W,
      59-53N 043-19W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 070001Z FEB 21.

NAVAREA IV 115/212021-02-06 18:48Z → cancelled 2021-02-08 00:01Z (archive)

North american ice service (nais) iceberg bulletin 070001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 070001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-39N 053-46W, 49-30N 052-00W,
   55-30N 051-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-00N 054-00W, 57-15N 047-00W,
   57-50N 038-25W, 62-20N 035-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 49-20N 053-40W, 49-55N 053-55W,
      50-25N 055-10W, 51-50N 054-35W,
      54-55N 054-30W, 58-00N 058-30W,
      61-30N 059-30W, 63-30N 057-15W.
   C. 62-25N 041-07W, 62-04N 040-56W,
      59-52N 042-27W, 59-41N 043-14W,
      59-53N 043-19W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 080001Z FEB 21.

NAVAREA IV 118/212021-02-07 19:06Z → cancelled 2021-02-09 00:01Z (archive)

North american ice service (nais) iceberg bulletin 080001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 080001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-39N 053-46W, 49-40N 051-40W,
   55-30N 051-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-00N 054-00W, 57-15N 047-00W,
   57-50N 038-25W, 62-20N 035-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 49-20N 053-40W, 49-55N 053-55W,
      50-25N 055-25W, 51-30N 054-40W,
      54-45N 055-30W, 58-00N 058-10W,
      61-30N 059-30W, 63-30N 057-15W.
   C. 62-25N 041-07W, 62-04N 040-56W,
      59-52N 042-27W, 59-41N 043-14W,
      59-53N 043-19W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 090001Z FEB 21.

NAVAREA IV 120/212021-02-08 19:34Z → cancelled 2021-02-10 00:01Z (archive)

North american ice service (nais) iceberg bulletin 090001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 090001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-39N 053-46W, 49-25N 051-05W,
   55-30N 051-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-00N 054-00W, 57-15N 047-00W,
   57-50N 038-25W, 62-20N 035-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 49-20N 053-40W, 49-55N 053-55W,
      50-25N 055-25W, 51-45N 054-15W,
      54-40N 054-25W, 58-00N 058-10W,
      61-30N 059-30W, 63-30N 057-15W.
   C. 62-25N 041-25W, 60-45N 042-32W,
      59-48N 043-17W, 59-41N 045-45W,
      59-53N 045-44W, 59-58N 044-50W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 100001Z FEB 21.

NAVAREA IV 125/212021-02-09 20:13Z → cancelled 2021-02-11 00:01Z (archive)

North american ice service (nais) iceberg bulletin 100001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 100001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-26N 053-06W, 49-05N 050-50W,
   55-30N 051-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-00N 054-00W, 57-40N 048-20W,
   58-10N 039-25W, 63-00N 037-30W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-40N 061-05W,
      47-45N 061-35W, 46-40N 063-35W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 49-20N 053-40W, 49-55N 053-55W,
      50-25N 055-25W, 52-00N 054-35W,
      55-05N 054-55W, 58-00N 058-30W,
      61-30N 060-30W, 64-00N 057-30W.
   C. 62-25N 041-25W, 60-45N 042-32W,
      59-48N 043-17W, 59-41N 045-45W,
      59-53N 045-44W, 59-58N 044-50W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 110001Z FEB 21.

NAVAREA IV 127/212021-02-10 19:30Z → cancelled 2021-02-12 00:01Z (archive)

North american ice service (nais) iceberg bulletin 110001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 110001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-28N 053-11W, 49-05N 050-50W,
   55-30N 051-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-00N 054-00W, 57-40N 048-20W,
   58-10N 039-25W, 63-00N 037-30W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-40N 061-05W,
      47-55N 061-30W, 46-50N 063-30W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 49-20N 053-40W, 49-55N 053-55W,
      50-25N 055-25W, 52-00N 054-35W,
      55-05N 054-55W, 58-00N 058-30W,
      59-35N 058-25W, 61-30N 060-40W,
      64-00N 057-30W.
   C. 62-25N 041-41W, 60-32N 042-42W,
      60-01N 043-03W, 60-02N 043-09W.
   D. 60-21N 045-40W, 60-10N 046-12W,
      60-16N 047-03W, 60-37N 046-33W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 120001Z FEB 21.

NAVAREA IV 129/212021-02-11 19:54Z → cancelled 2021-02-13 00:01Z (archive)

North american ice service (nais) iceberg bulletin 120001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 120001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-05N 052-58W, 48-55N 050-25W,
   55-30N 051-50W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 59-00N 056-00W,
   62-00N 054-00W, 57-40N 048-20W,
   58-10N 039-25W, 63-00N 037-30W,
   65-20N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-40N 061-05W,
      47-55N 061-30W, 46-50N 063-30W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 51-35N 055-30W, 51-50N 055-00W,
      53-20N 055-00W, 58-00N 059-00W,
      60-00N 059-20W, 61-30N 060-40W,
      64-00N 057-30W.
   C. 62-25N 041-41W, 60-32N 042-42W,
      60-01N 043-03W, 60-02N 043-09W.
   D. 60-21N 045-40W, 60-10N 046-12W,
      60-16N 047-03W, 60-37N 046-33W.
7. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 130001Z FEB 21.

NAVAREA IV 133/212021-02-12 19:13Z → cancelled 2021-02-14 00:01Z (archive)

North american ice service (nais) iceberg bulletin 130001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 130001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-05N 052-58W, 48-30N 050-20W,
   55-30N 051-50W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 57-10N 050-20W,
   56-30N 047-30W, 57-15N 042-40W,
   63-00N 037-30W, 65-20N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-40N 061-05W,
      47-55N 061-30W, 46-50N 063-30W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 51-35N 055-30W, 51-50N 055-00W,
      53-20N 055-00W, 58-00N 059-00W,
      60-00N 059-20W, 61-10N 060-20W,
      64-00N 057-30W.
   C. 62-18N 041-47W, 62-02N 041-35W,
      60-03N 043-00W, 59-37N 044-04W,
      59-39N 044-05W, 59-53N 043-20W.
7. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 140001Z FEB 21.

NAVAREA IV 136/212021-02-13 19:18Z → cancelled 2021-02-15 00:01Z (archive)

North american ice service (nais) iceberg bulletin 140001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 140001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-57N 053-05W, 48-05N 050-15W,
   55-30N 051-50W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 57-10N 050-20W,
   56-30N 047-30W, 57-15N 042-40W,
   63-00N 037-30W, 65-20N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-40N 061-05W,
      47-55N 061-30W, 46-50N 063-30W,
      48-40N 063-45W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 51-20N 055-35W, 51-30N 054-25W,
      52-55N 054-10W, 58-00N 059-00W,
      60-00N 059-20W, 61-10N 060-20W,
      64-00N 057-30W.
   C. 62-18N 041-47W, 62-02N 041-35W,
      60-03N 043-00W, 59-37N 044-04W,
      59-39N 044-05W, 59-53N 043-20W.
7. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 01 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 150001Z FEB 21.

NAVAREA IV 138/212021-02-14 19:15Z → cancelled 2021-02-16 00:01Z (archive)

North american ice service (nais) iceberg bulletin 150001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 150001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-43W, 47-55N 049-50W,
   55-30N 051-50W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 57-10N 050-20W,
   56-30N 047-30W, 57-15N 042-40W,
   63-00N 037-30W, 65-20N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-40N 061-05W,
      47-55N 061-30W, 46-45N 063-15W,
      48-35N 063-30W, 48-45N 061-50W,
      50-50N 057-30W, 48-25N 059-25W,
      48-00N 059-10W.
   B. 51-05N 055-45W, 51-25N 054-25W,
      52-55N 054-10W, 55-10N 055-35W,
      58-00N 058-30W, 60-50N 060-10W,
      64-00N 057-30W.
   C. 62-18N 041-47W, 62-02N 041-35W,
      60-03N 043-00W, 59-37N 044-04W,
      59-39N 044-05W, 59-53N 043-20W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 160001Z FEB 21.

NAVAREA IV 140/212021-02-15 19:15Z → cancelled 2021-02-17 00:01Z (archive)

North american ice service (nais) iceberg bulletin 160001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 160001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-43W, 47-55N 049-50W,
   55-30N 051-50W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 051-50W, 57-10N 050-20W,
   56-30N 047-30W, 57-15N 042-40W,
   63-00N 037-30W, 65-20N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-50N 061-20W,
      47-15N 062-10W, 46-35N 061-55W,
      46-40N 062-55W, 49-10N 063-55W,
      48-50N 061-50W, 49-45N 059-10W,
      47-55N 059-20W.
   B. 51-05N 055-45W, 51-25N 054-25W,
      52-55N 054-10W, 54-30N 054-05W,
      58-00N 058-30W, 60-45N 059-50W,
      63-10N 057-50W.
   C. 62-23N 041-38W, 61-45N 041-34W,
      59-59N 042-49W, 59-36N 043-59W,
      59-40N 044-22W, 59-46N 043-55W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 170001Z FEB 21.

NAVAREA IV 142/212021-02-16 19:25Z → cancelled 2021-02-18 00:01Z (archive)

North american ice service (nais) iceberg bulletin 170001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 170001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-43W, 47-40N 049-00W,
   54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-30N 058-30W,
   61-30N 056-00W, 57-00N 050-30W,
   56-00N 046-00W, 57-45N 041-00W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-50N 061-20W,
      47-15N 062-10W, 46-35N 061-55W,
      46-40N 062-55W, 49-10N 063-55W,
      48-50N 061-50W, 49-45N 059-10W,
      47-55N 059-20W.
   B. 49-05N 053-35W, 49-10N 053-20W,
      49-45N 053-55W, 50-05N 055-30W,
      54-35N 052-40W, 58-00N 058-00W,
      60-45N 059-40W, 62-55N 057-40W.
   C. 62-23N 041-38W, 61-45N 041-34W,
      59-59N 042-49W, 59-36N 043-59W,
      59-40N 044-22W, 59-46N 043-55W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 180001Z FEB 21.

NAVAREA IV 149/212021-02-17 19:54Z → cancelled 2021-02-19 00:01Z (archive)

North american ice service (nais) iceberg bulletin 180001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 180001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-43W, 47-30N 048-50W,
   54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-30N 058-30W,
   61-30N 056-00W, 57-00N 050-30W,
   56-00N 046-00W, 57-45N 041-00W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-10N 061-25W, 47-50N 061-20W,
      47-20N 062-05W, 46-35N 061-55W,
      46-50N 062-55W, 49-10N 063-55W,
      48-50N 061-50W, 49-45N 059-10W,
      47-55N 059-20W.
   B. 49-05N 053-35W, 49-10N 053-20W,
      49-45N 053-55W, 50-05N 054-55W,
      54-25N 052-25W, 58-00N 058-00W,
      60-45N 059-20W, 62-45N 057-40W.
   C. 62-23N 041-38W, 61-45N 041-34W,
      59-59N 042-49W, 59-36N 043-59W,
      59-40N 044-22W, 59-46N 043-55W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 190001Z FEB 21.

NAVAREA IV 154/212021-02-18 19:34Z → cancelled 2021-02-20 00:01Z (archive)

North american ice service (nais) iceberg bulletin 190001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 190001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-43W, 47-25N 050-00W,
   48-25N 049-00W, 54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-30N 058-30W,
   61-30N 056-00W, 57-00N 050-30W,
   56-00N 046-00W, 57-45N 041-00W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-14N 061-19W, 47-51N 061-20W,
      47-21N 062-05W, 46-36N 061-55W,
      46-51N 062-55W, 49-05N 063-26W,
      48-51N 061-50W, 49-46N 059-10W,
      47-55N 059-24W.
   B. 49-04N 053-36W, 49-10N 053-20W,
      49-45N 053-55W, 50-03N 054-46W,
      54-14N 052-10W, 58-03N 058-00W,
      60-45N 059-20W, 62-45N 057-40W.
   C. 62-25N 041-33W, 62-04N 041-20W,
      61-12N 041-25W, 60-18N 041-49W,
      59-58N 042-02W, 59-19N 042-44W,
      59-55N 043-27W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 200001Z FEB 21.

NAVAREA IV 158/212021-02-19 21:03Z → cancelled 2021-02-21 00:01Z (archive)

North american ice service (nais) iceberg bulletin 200001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 200001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-43W, 47-20N 049-55W,
   48-25N 049-00W, 54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-30N 058-30W,
   61-30N 056-00W, 57-30N 049-40W,
   56-30N 044-30W, 57-45N 041-00W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-30N 061-05W, 46-25N 061-20W,
      47-50N 061-10W, 47-20N 062-25W,
      49-05N 063-25W, 48-45N 061-25W,
      49-40N 061-40W, 49-40N 058-10W,
      48-30N 059-20W, 47-55N 059-20W.
   B. 48-40N 053-03W, 48-40N 053-03W,
      49-13N 052-49W, 49-55N 053-38W,
      50-18N 055-14W, 54-03N 052-10W,
      58-02N 058-44W.
   C. 58-03N 058-44W, 62-17N 059-18W,
      62-25N 057-31W.
   D. 62-25N 041-33W, 62-04N 041-20W,
      61-12N 041-25W, 60-18N 041-49W,
      59-58N 042-02W, 59-19N 042-44W,
      59-55N 043-27W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 210001Z FEB 21.

NAVAREA IV 164/212021-02-20 21:17Z → cancelled 2021-02-22 00:01Z (archive)

North american ice service (nais) iceberg bulletin 210001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 210001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-43W, 47-05N 049-20W,
   48-25N 049-00W, 54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-30N 058-30W,
   61-30N 056-00W, 57-30N 049-40W,
   56-30N 044-30W, 57-45N 041-00W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 057-00W, 51-15N 056-40W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-30N 061-05W, 46-25N 061-20W,
      47-50N 061-10W, 47-20N 062-25W,
      49-05N 063-25W, 48-45N 061-25W,
      49-40N 061-40W, 49-40N 058-10W,
      48-30N 059-20W, 47-55N 059-20W.
   B. 48-39N 053-03W, 49-13N 052-49W,
      49-55N 053-38W, 50-18N 055-14W,
      54-03N 052-10W, 58-02N 058-44W,
      62-17N 059-18W, 62-25N 057-31W.
   C. 62-25N 041-22W, 61-11N 041-27W,
      59-19N 043-34W, 59-39N 044-24W,
      59-48N 043-44W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 220001Z FEB 21.

NAVAREA IV 167/212021-02-21 21:19Z → cancelled 2021-02-23 00:01Z (archive)

North american ice service (nais) iceberg bulletin 220001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 220001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-43W, 47-05N 049-20W,
   48-25N 049-00W, 54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-30N 058-30W,
   61-30N 056-00W, 57-30N 049-40W,
   56-30N 044-30W, 57-45N 041-00W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-31N 057-00W, 51-14N 056-38W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-30N 061-05W, 46-25N 061-20W,
      47-50N 061-10W, 47-20N 062-25W,
      49-05N 063-25W, 48-45N 061-25W,
      49-40N 061-40W, 49-40N 058-10W,
      48-30N 059-20W, 47-55N 059-20W.
   B. 48-39N 053-03W, 49-13N 052-49W,
      49-55N 053-38W, 50-18N 055-14W,
      53-39N 051-24W, 58-03N 058-00W,
      62-14N 058-45W, 62-25N 057-31W.
   C. 62-25N 041-22W, 61-11N 041-27W,
      59-19N 043-34W, 59-39N 044-24W,
      59-48N 043-44W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 230001Z FEB 21.

NAVAREA IV 169/212021-02-22 18:55Z → cancelled 2021-02-24 00:01Z (archive)

North american ice service (nais) iceberg bulletin 230001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 230001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-26N 052-44W, 46-55N 050-25W,
   47-20N 048-55W, 48-25N 049-00W,
   54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-30N 058-30W,
   61-30N 056-00W, 57-30N 049-40W,
   56-30N 044-30W, 57-45N 041-00W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-31N 057-04W, 51-13N 056-29W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-48N 060-53W, 47-59N 061-10W,
      47-33N 062-50W, 48-29N 063-01W,
      49-05N 063-27W, 48-51N 061-52W,
      49-46N 059-10W, 47-55N 059-24W.
   B. 48-39N 053-03W, 49-12N 052-56W,
      49-54N 053-42W, 50-13N 055-10W,
      53-29N 051-36W, 58-03N 058-15W,
      61-59N 058-40W, 62-25N 057-31W.
   C. 62-25N 041-33W, 61-46N 040-50W,
      61-18N 041-45W, 59-22N 042-41W,
      59-18N 042-58W, 59-34N 043-25W,
      59-54N 043-18W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 240001Z FEB 21.

NAVAREA IV 170/212021-02-23 19:06Z → cancelled 2021-02-25 00:01Z (archive)

North american ice service (nais) iceberg bulletin 240001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 240001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-26N 052-44W, 46-50N 050-20W,
   47-20N 048-40W, 48-25N 049-00W,
   54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-10N 050-50W,
   55-40N 045-50W, 57-30N 038-40W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-31N 057-04W, 51-13N 056-29W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-48N 060-53W, 47-59N 061-10W,
      47-33N 062-50W, 48-35N 062-24W,
      49-46N 059-10W, 47-55N 059-24W.
   B. 48-39N 053-03W, 49-20N 052-47W,
      49-59N 053-37W, 53-49N 051-36W,
      58-03N 058-15W, 60-37N 059-13W,
      61-59N 058-40W, 62-25N 057-31W.
   C. 62-25N 041-33W, 61-46N 040-50W,
      61-18N 041-45W, 59-22N 042-41W,
      59-18N 042-58W, 59-34N 043-25W,
      59-54N 043-18W.
7. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 14 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 250001Z FEB 21.

NAVAREA IV 173/212021-02-24 19:57Z → cancelled 2021-02-26 00:01Z (archive)

North american ice service (nais) iceberg bulletin 250001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 250001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-26N 052-44W, 46-45N 049-30W,
   47-57N 048-05W, 54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-10N 050-50W,
   55-40N 045-50W, 57-30N 038-40W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   52-01N 056-30W, 51-30N 055-55W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-48N 060-53W, 47-59N 061-10W,
      47-33N 062-50W, 48-35N 062-24W,
      49-46N 059-10W, 47-55N 059-24W.
   B. 48-39N 053-03W, 49-20N 052-47W,
      49-55N 053-34W, 53-47N 051-31W,
      58-03N 058-00W, 60-39N 059-00W,
      61-59N 058-40W, 62-25N 057-31W.
   C. 62-25N 041-33W, 61-46N 040-50W,
      61-18N 041-45W, 59-22N 042-41W,
      59-18N 042-58W, 59-34N 043-25W,
      59-54N 043-18W.
7. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 23 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 260001Z FEB 21.

NAVAREA IV 174/212021-02-25 19:20Z → cancelled 2021-02-27 00:01Z (archive)

North american ice service (nais) iceberg bulletin 260001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 260001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-26N 052-44W, 46-40N 049-30W,
   47-57N 048-05W, 54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-10N 050-50W,
   55-40N 045-50W, 57-30N 038-40W,
   64-00N 035-30W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   52-01N 056-30W, 51-30N 055-55W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-15N 060-00W, 47-10N 060-15W,
      47-00N 061-05W, 49-35N 061-30W,
      49-50N 058-20W, 48-10N 059-35W,
      47-25N 059-20W, 47-30N 056-10W.
   B. 48-39N 053-03W, 49-20N 052-47W,
      49-55N 053-34W, 53-47N 051-31W,
      58-03N 058-00W, 60-39N 059-00W,
      61-59N 058-40W, 62-25N 057-31W.
   C. 62-25N 041-08W, 60-34N 041-42W,
      59-53N 042-16W, 59-17N 043-33W,
      59-40N 043-57W, 59-46N 043-55W.
7. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 24 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 270001Z FEB 21.

NAVAREA IV 176/212021-02-26 19:41Z → cancelled 2021-02-28 00:01Z (archive)

North american ice service (nais) iceberg bulletin 270001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 270001Z FEB.
2. WARNING! THE INTERNATIONAL ICE PATROL
   IS EXPERIENCING REDUCED ICEBERG
   RECONNAISSANCE. ALL ICEBERG LIMITS
   REPORTED BELOW ARE ESTIMATED.
   PLEASE NAVIGATE WITH CAUTION.
3. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-26N 052-44W, 46-35N 049-15W,
   47-35N 047-55W, 54-30N 051-30W.
4. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-10N 050-50W,
   55-40N 045-50W, 57-30N 038-40W,
   63-50N 033-50W, 65-00N 028-00W.
5. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-12N 056-06W, 52-00N 057-00W.
6. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-15N 060-00W, 47-10N 060-15W,
      47-00N 061-05W, 49-35N 061-30W,
      49-50N 058-20W, 48-10N 059-35W,
      47-25N 059-20W, 47-30N 056-10W.
   B. 48-39N 053-03W, 49-20N 052-47W,
      49-55N 053-34W, 53-47N 051-31W,
      58-03N 058-00W, 61-59N 058-39W,
      62-25N 057-31W.
   C. 62-25N 041-57W, 61-39N 041-45W,
      61-12N 041-43W, 60-13N 042-18W,
      59-54N 042-50W, 59-38N 043-45W,
      59-48N 043-46W.
7. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 24 FEB 21.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 280001Z FEB 21.

NAVAREA IV 179/212021-02-27 19:19Z → cancelled 2021-03-01 00:01Z (archive)

North american ice service (nais) iceberg bulletin 280001Z feb

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 280001Z FEB.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-32W, 51-00N 049-30W,
   54-30N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-30N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-10N 050-50W,
   55-40N 045-50W, 57-30N 038-40W,
   63-50N 033-50W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-47N 056-42W, 51-18N 056-18W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 47-02N 060-24W, 47-53N 061-20W,
      47-28N 063-09W, 48-36N 062-57W,
      49-00N 061-16W, 49-40N 061-06W,
      50-03N 058-14W, 48-33N 059-12W.
   B. 48-39N 053-03W, 49-20N 052-47W,
      49-49N 053-26W, 53-47N 051-31W,
      58-03N 058-00W, 60-35N 059-00W,
      62-00N 058-39W, 62-45N 057-40W.
   C. 62-25N 041-57W, 61-39N 041-45W,
      61-12N 041-43W, 60-13N 042-18W,
      59-54N 042-50W, 59-38N 043-45W,
      59-48N 043-46W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 27 FEB 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 270001Z FEB
   BULLETIN DUE TO RECENT RECONNAISSANCE.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 010001Z MAR 21.

NAVAREA IV 180/212021-02-28 19:04Z → cancelled 2021-03-02 00:01Z (archive)

North american ice service (nais) iceberg bulletin 010001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 010001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-32W, 51-00N 049-30W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-10N 050-50W,
   55-40N 045-50W, 57-30N 038-40W,
   63-50N 033-50W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-47N 056-42W, 51-18N 056-18W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 47-02N 060-24W, 48-01N 061-17W,
      48-01N 062-58W, 49-15N 061-00W,
      50-03N 058-14W, 48-33N 059-12W.
   B. 48-39N 053-03W, 49-12N 052-50W,
      49-50N 053-02W, 54-12N 051-31W,
      58-03N 057-40W, 60-41N 058-45W,
      62-20N 057-29W.
   C. 62-25N 041-33W, 62-06N 040-56W,
      60-53N 041-48W, 60-04N 041-52W,
      59-46N 042-33W, 59-46N 042-55W,
      59-55N 043-16W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 27 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 020001Z MAR 21.

NAVAREA IV 184/212021-03-01 20:15Z → cancelled 2021-03-03 00:01Z (archive)

North american ice service (nais) iceberg bulletin 020001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 020001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-32W, 51-00N 049-30W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-10N 050-50W,
   55-40N 045-50W, 57-30N 038-40W,
   63-50N 033-50W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-47N 056-42W, 51-18N 056-18W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 47-02N 060-24W, 48-01N 061-17W,
      48-01N 062-58W, 49-15N 061-00W,
      50-03N 058-14W, 48-33N 059-12W.
   B. 48-39N 053-03W, 49-12N 052-50W,
      49-50N 053-02W, 54-12N 051-31W,
      58-03N 057-40W, 60-41N 058-45W,
      62-20N 057-29W.
   C. 62-25N 041-33W, 62-06N 040-56W,
      60-53N 041-48W, 60-04N 041-52W,
      59-46N 042-33W, 59-46N 042-55W,
      59-55N 043-16W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 27 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 030001Z MAR 21.

NAVAREA IV 187/212021-03-02 19:12Z → cancelled 2021-03-04 00:01Z (archive)

North american ice service (nais) iceberg bulletin 030001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 030001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-32W, 51-00N 049-30W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-45N 052-25W,
   57-00N 045-20W, 57-30N 037-20W,
   63-35N 036-50W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-47N 056-42W, 51-18N 056-18W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 47-02N 060-24W, 48-01N 061-17W,
      48-01N 062-58W, 49-15N 061-00W,
      50-03N 058-14W, 48-33N 059-12W.
   B. 48-39N 053-03W, 49-12N 052-50W,
      49-50N 053-02W, 54-12N 051-31W,
      58-03N 057-40W, 60-41N 058-45W,
      62-20N 057-29W.
   C. 62-25N 041-00W, 61-59N 040-52W,
      61-07N 041-03W, 60-19N 041-23W,
      59-22N 042-15W, 59-23N 043-11W,
      60-09N 043-02W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 27 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 040001Z MAR 21.

NAVAREA IV 191/212021-03-03 19:56Z → cancelled 2021-03-05 00:01Z (archive)

North american ice service (nais) iceberg bulletin 040001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 040001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-32W, 51-00N 049-30W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-45N 052-25W,
   57-00N 045-20W, 57-30N 037-20W,
   63-35N 036-50W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-44W, 51-21N 056-33W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-51N 060-18W, 47-01N 060-14W,
      48-01N 061-17W, 48-01N 062-58W,
      50-43N 057-46W, 48-38N 059-06W.
   B. 48-39N 053-03W, 49-12N 052-50W,
      50-07N 054-18W, 51-25N 053-06W,
      54-21N 052-41W, 58-02N 058-25W.
   C. 58-03N 058-25W, 62-00N 059-07W,
      62-51N 057-43W.
   D. 62-25N 041-00W, 61-59N 040-52W,
      61-07N 041-03W, 60-19N 041-23W,
      59-22N 042-15W, 59-23N 043-11W,
      60-09N 043-02W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 27 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 050001Z MAR 21.

NAVAREA IV 196/212021-03-04 19:53Z → cancelled 2021-03-06 00:01Z (archive)

North american ice service (nais) iceberg bulletin 050001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 050001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-32W, 51-00N 049-30W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 57-45N 052-25W,
   57-00N 045-20W, 57-30N 037-20W,
   63-35N 036-50W, 65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-44W, 51-21N 056-33W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-51N 060-18W, 47-01N 060-14W,
      47-54N 060-44W, 48-01N 062-58W,
      50-30N 058-01W, 48-32N 059-14W.
   B. 48-39N 053-03W, 49-20N 053-04W,
      50-13N 054-28W, 52-04N 052-34W,
      55-01N 052-40W, 58-03N 058-25W,
      61-39N 059-39W, 62-51N 057-43W.
   C. 62-25N 041-19W, 61-57N 041-43W,
      60-32N 042-36W, 59-41N 043-22W,
      59-31N 045-26W, 59-42N 045-46W,
      59-48N 043-36W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 27 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 060001Z MAR 21.

NAVAREA IV 199/212021-03-05 19:16Z → cancelled 2021-03-07 00:01Z (archive)

North american ice service (nais) iceberg bulletin 060001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 060001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-32W, 51-00N 049-30W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 60-35N 053-25W,
   57-15N 046-10W, 57-30N 037-20W,
   61-00N 040-20W, 63-00N 038-30W,
   65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-44W, 51-21N 056-33W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 46-09N 059-00W,
      47-00N 058-59W, 47-55N 060-43W,
      48-01N 062-58W, 49-06N 061-07W,
      49-57N 062-27W, 49-37N 059-31W,
      50-28N 057-56W, 48-42N 058-55W.
   B. 48-39N 053-03W, 49-29N 053-04W,
      50-12N 054-28W, 52-07N 052-21W,
      55-32N 052-48W, 56-42N 057-16W,
      58-03N 058-25W, 61-30N 060-15W,
      63-21N 057-56W.
   C. 62-25N 041-19W, 61-57N 041-43W,
      60-32N 042-36W, 59-41N 043-22W,
      59-31N 045-26W, 59-42N 045-46W,
      59-48N 043-36W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 27 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 070001Z MAR 21.

NAVAREA IV 202/212021-03-06 19:30Z → cancelled 2021-03-08 00:01Z (archive)

North american ice service (nais) iceberg bulletin 070001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 070001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-14N 053-32W, 51-00N 049-30W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 60-35N 053-25W,
   57-15N 046-10W, 57-30N 037-20W,
   61-00N 040-20W, 63-00N 038-30W,
   65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-44W, 51-21N 056-33W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-00N 059-50W, 46-09N 059-00W,
      47-00N 059-00W, 47-55N 060-43W,
      48-00N 062-58W, 49-06N 061-07W,
      49-57N 062-27W, 49-37N 059-30W,
      50-28N 057-56W, 48-42N 058-55W.
   B. 48-39N 053-03W, 49-29N 053-04W,
      50-12N 054-28W, 52-07N 052-21W,
      55-32N 052-48W, 56-42N 057-16W,
      58-03N 058-25W, 61-30N 060-15W,
      63-21N 057-56W.
   C. 62-25N 041-19W, 61-57N 041-43W,
      60-32N 042-36W, 59-41N 043-22W,
      59-31N 045-26W, 59-42N 045-46W,
      59-48N 043-36W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 27 FEB 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 080001Z MAR 21.

NAVAREA IV 204/212021-03-07 19:25Z → cancelled 2021-03-09 00:01Z (archive)

North american ice service (nais) iceberg bulletin 080001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 080001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-19N 053-44W, 51-00N 049-45W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 60-35N 053-25W,
   57-15N 046-10W, 57-30N 037-20W,
   61-00N 040-20W, 63-00N 038-30W,
   65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-44W, 51-21N 056-33W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-00N 059-50W, 46-09N 059-00W,
      46-20N 058-40W, 47-00N 059-00W,
      47-55N 060-43W, 48-00N 062-58W,
      49-06N 061-07W, 49-57N 062-27W,
      49-37N 059-30W, 50-28N 057-56W,
      48-42N 058-55W.
   B. 48-39N 053-03W, 49-29N 053-04W,
      50-12N 054-28W, 52-03N 051-43W,
      55-34N 052-14W, 56-42N 057-16W,
      58-03N 058-25W, 61-30N 060-15W,
      63-21N 057-56W.
   C. 62-25N 041-33W, 62-00N 041-02W,
      61-25N 041-25W, 61-12N 042-14W,
      60-00N 042-53W, 59-42N 043-39W,
      59-35N 045-00W, 60-34N 046-33W,
      60-38N 046-23W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 06 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 090001Z MAR 21.

NAVAREA IV 206/212021-03-08 21:08Z → cancelled 2021-03-10 00:01Z (archive)

North american ice service (nais) iceberg bulletin 090001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 090001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-19N 053-44W, 51-00N 049-45W,
   54-50N 052-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-50N 052-40W, 60-10N 057-00W,
   60-20N 055-50W, 60-35N 053-25W,
   57-15N 046-10W, 57-30N 037-20W,
   61-00N 040-20W, 63-00N 038-30W,
   65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-28W, 51-26N 056-13W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 45-49N 059-00W,
      46-06N 058-29W, 46-41N 058-52W,
      47-09N 058-48W, 47-55N 060-43W,
      48-02N 062-28W, 49-06N 061-07W,
      49-57N 062-27W, 49-37N 059-31W,
      50-28N 057-56W, 48-42N 058-55W.
   B. 48-39N 053-03W, 49-34N 053-03W,
      50-09N 054-22W, 51-46N 051-43W,
      55-08N 051-38W, 57-10N 057-37W,
      58-03N 058-25W, 61-30N 060-15W,
      63-21N 057-56W.
   C. 62-25N 041-33W, 62-00N 041-02W,
      61-25N 041-25W, 61-12N 042-14W,
      60-00N 042-53W, 59-42N 043-39W,
      59-35N 045-00W, 60-34N 046-33W,
      60-38N 046-23W.
6. MOST RECENT RECONNAISSANCE:
   EASTERN LIMIT ICEBERG FLIGHT 07 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 100001Z MAR 21.

NAVAREA IV 209/212021-03-09 21:27Z → cancelled 2021-03-11 00:01Z (archive)

North american ice service (nais) iceberg bulletin 100001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 100001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-23N 055-31W, 51-40N 053-35W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 60-35N 053-25W,
   57-00N 046-10W, 57-10N 038-00W,
   61-00N 040-20W, 63-00N 038-30W,
   65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-28W, 51-26N 056-13W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 45-42N 058-58W,
      46-00N 058-19W, 46-44N 059-05W,
      47-12N 058-52W, 47-51N 060-35W,
      48-11N 062-07W, 49-03N 061-02W,
      49-49N 061-55W, 49-37N 059-31W,
      50-25N 057-55W, 48-42N 058-55W.
   B. 48-39N 053-03W, 49-34N 053-03W,
      49-56N 053-52W, 51-32N 051-26W,
      54-51N 050-58W, 55-50N 056-01W,
      58-03N 057-55W, 61-30N 060-15W,
      63-21N 057-56W.
   C. 62-25N 041-37W, 62-07N 041-17W,
      60-52N 042-19W, 59-48N 043-13W,
      59-40N 043-37W, 59-41N 043-52W,
      59-46N 043-54W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 08 MAR 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 090001Z MAR
   BULLETIN DUE TO RECENT RECONNAISSANCE AND
   PREDICTED DRIFT.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 110001Z MAR 21.

NAVAREA IV 210/212021-03-10 21:25Z → cancelled 2021-03-12 00:01Z (archive)

North american ice service (nais) iceberg bulletin 110001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 110001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-23N 055-31W, 51-40N 053-35W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 60-35N 053-25W,
   57-00N 046-10W, 57-10N 038-00W,
   61-00N 040-20W, 63-00N 038-30W,
   65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-28W, 51-26N 056-13W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 45-42N 058-58W,
      46-00N 058-19W, 46-44N 059-05W,
      47-21N 058-47W, 47-51N 060-35W,
      48-11N 062-07W, 49-03N 061-02W,
      49-49N 061-55W, 49-37N 059-31W,
      50-25N 057-55W, 48-42N 058-55W.
   B. 48-39N 053-03W, 49-34N 053-03W,
      49-56N 053-53W, 50-55N 051-15W,
      54-53N 051-22W, 55-40N 055-34W,
      58-03N 057-55W, 61-30N 060-15W,
      63-21N 057-56W.
   C. 62-25N 041-37W, 62-07N 041-17W,
      60-52N 042-19W, 59-48N 043-13W,
      59-40N 043-37W, 59-41N 043-52W,
      59-46N 043-54W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 08 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 120001Z MAR 21.

NAVAREA IV 213/212021-03-11 21:30Z → cancelled 2021-03-13 00:01Z (archive)

North american ice service (nais) iceberg bulletin 120001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 120001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-05N 055-50W, 51-35N 053-20W,
   55-00N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-30W, 60-10N 057-00W,
   60-20N 055-50W, 60-35N 053-25W,
   57-00N 046-10W, 57-10N 038-00W,
   61-00N 040-20W, 63-00N 038-30W,
   65-00N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-28W, 51-26N 056-13W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 45-42N 058-58W,
      46-00N 058-19W, 46-44N 059-05W,
      47-21N 058-47W, 47-51N 060-35W,
      48-11N 062-07W, 49-03N 061-02W,
      49-49N 061-55W, 49-37N 059-31W,
      50-25N 057-55W, 48-42N 058-55W.
   B. 48-39N 053-03W, 49-34N 053-03W,
      49-56N 053-53W, 50-44N 050-54W,
      54-53N 051-22W, 55-40N 055-34W,
      58-03N 057-55W, 62-00N 058-10W,
      62-28N 057-33W.
   C. 62-25N 041-21W, 62-02N 041-01W,
      60-46N 041-39W, 59-33N 042-37W,
      59-16N 042-53W, 59-18N 043-36W,
      59-38N 044-04W, 59-48N 043-46W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 08 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 130001Z MAR 21.

NAVAREA IV 217/212021-03-12 19:28Z → cancelled 2021-03-14 00:01Z (archive)

North american ice service (nais) iceberg bulletin 130001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 130001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-05N 055-50W, 51-20N 053-00W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 058-00W,
   60-00N 054-00W, 56-40N 043-00W,
   56-00N 038-30W, 62-00N 039-30W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-28W, 51-26N 056-13W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 45-42N 058-58W,
      46-00N 058-19W, 46-44N 059-05W,
      47-19N 058-24W, 48-11N 062-07W,
      49-03N 061-02W, 49-49N 061-55W,
      49-37N 059-31W, 50-25N 057-55W,
      48-42N 058-55W.
   B. 48-39N 053-03W, 49-34N 053-03W,
      49-56N 053-53W, 50-44N 050-54W,
      54-53N 051-22W, 55-40N 055-34W,
      58-03N 057-55W, 62-00N 058-10W,
      62-28N 057-33W.
   C. 62-28N 041-15W, 61-48N 041-04W,
      60-30N 041-45W, 60-08N 042-28W,
      59-02N 042-31W, 58-59N 043-32W,
      59-50N 043-43W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 08 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 140001Z MAR 21.

NAVAREA IV 222/212021-03-13 19:49Z → cancelled 2021-03-15 00:01Z (archive)

North american ice service (nais) iceberg bulletin 140001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 140001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-05N 055-50W, 51-05N 053-00W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 058-00W,
   60-00N 054-00W, 56-40N 043-00W,
   56-00N 038-30W, 62-00N 039-30W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-28W, 51-26N 056-13W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-57N 059-50W, 45-48N 059-06W,
      45-52N 058-32W, 46-20N 058-32W,
      46-57N 058-02W, 47-40N 058-37W.
   B. 48-39N 053-03W, 49-30N 053-10W,
      50-23N 054-57W, 49-57N 052-21W,
      53-31N 050-37W, 56-19N 056-33W,
      58-03N 057-55W, 60-48N 059-42W,
      62-48N 057-41W.
   C. 62-28N 041-15W, 61-48N 041-04W,
      60-30N 041-45W, 60-08N 042-28W,
      59-02N 042-31W, 58-59N 043-32W,
      59-50N 043-43W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 08 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 150001Z MAR 21.

NAVAREA IV 224/212021-03-14 19:36Z → cancelled 2021-03-16 00:01Z (archive)

North american ice service (nais) iceberg bulletin 150001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 150001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-50N 056-00W, 50-50N 052-25W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 058-00W,
   60-00N 054-00W, 56-40N 043-00W,
   56-00N 038-30W, 62-00N 039-30W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-28W, 51-26N 056-13W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-57N 059-50W, 45-48N 059-06W,
      45-52N 058-32W, 46-58N 058-19W,
      48-47N 063-59W, 48-56N 061-30W,
      49-51N 060-36W, 51-02N 057-20W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 49-28N 053-11W,
      50-34N 055-12W, 49-52N 051-51W,
      53-31N 050-19W, 56-15N 056-42W,
      58-03N 057-45W, 60-37N 058-47W,
      62-04N 057-23W.
   C. 62-25N 041-22W, 61-47N 041-18W,
      60-19N 041-58W, 59-37N 042-26W,
      59-31N 043-45W, 59-36N 044-14W,
      59-48N 044-07W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 08 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO O TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 160001Z MAR 21.

NAVAREA IV 225/212021-03-15 19:43Z → cancelled 2021-03-17 00:01Z (archive)

North american ice service (nais) iceberg bulletin 160001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 160001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-35N 056-16W, 50-35N 052-40W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 058-00W,
   60-00N 054-00W, 56-40N 043-00W,
   56-00N 038-30W, 62-00N 039-30W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-55N 056-00W, 51-34N 056-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-07N 059-54W, 46-08N 059-09W,
      47-03N 059-08W, 48-47N 063-59W,
      48-56N 061-30W, 49-51N 060-36W,
      51-02N 057-20W, 48-22N 059-32W,
      48-11N 058-55W.
   B. 48-39N 053-03W, 52-35N 050-16W,
      56-15N 056-42W, 58-03N 057-45W,
      60-37N 058-47W, 62-04N 057-23W.
   C. 62-25N 041-22W, 61-47N 041-18W,
      60-19N 041-58W, 59-37N 042-26W,
      59-31N 043-45W, 59-36N 044-14W,
      59-48N 044-07W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 10 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 170001Z MAR 21.

NAVAREA IV 230/212021-03-16 21:02Z → cancelled 2021-03-18 00:01Z (archive)

North american ice service (nais) iceberg bulletin 170001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 170001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-56N 055-37W, 50-05N 054-10W,
   51-00N 052-00W, 55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 058-00W,
   60-00N 054-00W, 56-20N 041-20W,
   56-20N 036-20W, 57-40N 035-30W,
   62-00N 039-30W, 65-15N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-55N 056-00W, 51-34N 056-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-07N 059-54W, 46-08N 059-09W,
      47-03N 059-08W, 48-47N 063-59W,
      48-56N 061-30W, 49-51N 060-36W,
      51-02N 057-20W, 48-22N 059-32W,
      48-11N 058-55W.
   B. 48-39N 053-03W, 52-35N 050-16W,
      56-15N 056-42W, 58-03N 057-45W,
      60-37N 058-47W, 62-04N 057-23W.
   C. 62-25N 041-33W, 61-52N 041-18W,
      60-42N 042-00W, 60-16N 042-19W,
      59-55N 042-36W, 59-31N 044-56W,
      59-34N 045-29W, 59-39N 045-43W,
      59-45N 045-40W, 59-52N 044-21W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 15 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL NAVAREA IV 229/21.
10. CANCEL THIS MSG 180001Z MAR 21.

NAVAREA IV 233/212021-03-17 18:40Z → cancelled 2021-03-19 00:01Z (archive)

North american ice service (nais) iceberg bulletin 180001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 180001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-56N 055-37W, 50-05N 054-10W,
   51-00N 051-55W, 55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 058-00W,
   60-00N 054-00W, 56-20N 041-20W,
   56-20N 036-20W, 57-40N 035-30W,
   62-00N 039-30W, 65-15N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-55N 056-00W, 51-34N 056-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-07N 059-54W, 46-10N 059-25W,
      47-01N 059-25W, 48-13N 062-06W,
      48-55N 061-22W, 49-38N 061-23W,
      49-27N 059-59W, 50-32N 057-36W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 49-05N 052-11W,
      52-13N 050-33W, 56-22N 056-17W,
      58-03N 057-45W, 60-37N 058-47W,
      62-04N 057-23W.
   C. 62-25N 041-33W, 61-52N 041-18W,
      60-42N 042-00W, 60-16N 042-19W,
      59-55N 042-36W, 59-31N 044-56W,
      59-34N 045-29W, 59-39N 045-43W,
      59-45N 045-40W, 59-52N 044-21W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 15 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 190001Z MAR 21.

NAVAREA IV 237/212021-03-18 18:51Z → cancelled 2021-03-20 00:01Z (archive)

North american ice service (nais) iceberg bulletin 190001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 190001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-24N 054-00W, 51-30N 051-40W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 058-00W,
   60-00N 054-00W, 56-20N 041-20W,
   56-20N 036-20W, 57-40N 035-30W,
   62-00N 039-30W, 65-15N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-44N 056-34W, 51-27N 056-12W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-07N 059-54W, 46-10N 059-25W,
      46-57N 058-44W, 48-13N 062-06W,
      48-58N 061-05W, 49-52N 061-40W,
      49-40N 059-45W, 50-20N 057-51W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 48-44N 051-34W,
      52-34N 050-55W, 58-03N 057-45W,
      60-37N 058-47W, 61-28N 057-49W.
   C. 62-25N 041-18W, 61-43N 041-38W,
      59-57N 043-02W, 59-42N 043-35W,
      59-34N 044-48W, 59-34N 046-27W,
      60-06N 047-05W, 60-12N 046-32W,
      60-05N 045-19W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 15 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 200001Z MAR 21.

NAVAREA IV 243/212021-03-19 18:46Z → cancelled 2021-03-21 00:01Z (archive)

North american ice service (nais) iceberg bulletin 200001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 200001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-21N 053-48W, 51-30N 051-20W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 057-10W,
   60-10N 052-50W, 57-55N 046-15W,
   56-40N 036-30W, 57-35N 035-35W,
   61-20N 039-20W, 65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-44N 056-34W, 51-27N 056-12W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-07N 059-54W, 45-52N 059-10W,
      46-42N 058-17W, 48-31N 063-01W,
      49-00N 061-20W, 49-52N 061-40W,
      49-40N 059-45W, 50-20N 057-51W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 49-17N 051-45W,
      52-52N 051-36W, 55-34N 053-53W,
      58-03N 057-45W, 60-37N 058-47W,
      61-28N 057-49W.
   C. 62-25N 041-00W, 62-06N 040-38W,
      60-46N 042-10W, 60-00N 042-35W,
      59-46N 043-39W, 59-44N 045-10W,
      60-12N 046-37W, 60-23N 046-24W,
      60-21N 045-38W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 18 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 210001Z MAR 21.

NAVAREA IV 246/212021-03-20 18:36Z → cancelled 2021-03-22 00:01Z (archive)

North american ice service (nais) iceberg bulletin 210001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 210001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-16N 053-40W, 51-30N 051-10W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 057-10W,
   60-10N 052-50W, 57-55N 046-15W,
   56-40N 036-30W, 57-35N 035-35W,
   61-20N 039-20W, 65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-42N 056-37W, 51-23N 056-20W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-07N 059-54W, 45-52N 059-10W,
      46-42N 058-17W, 48-31N 063-01W,
      49-00N 061-20W, 49-52N 061-40W,
      49-40N 059-45W, 50-20N 057-51W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 49-17N 051-45W,
      52-52N 051-36W, 55-34N 053-53W,
      58-03N 057-45W, 60-37N 058-47W,
      61-28N 057-49W.
   C. 62-25N 041-00W, 62-06N 040-38W,
      60-46N 042-10W, 60-00N 042-35W,
      59-46N 043-39W, 59-44N 045-10W,
      60-12N 046-37W, 60-23N 046-24W,
      60-21N 045-38W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 18 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 220001Z MAR 21.

NAVAREA IV 247/212021-03-21 18:30Z → cancelled 2021-03-23 00:01Z (archive)

North american ice service (nais) iceberg bulletin 220001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 220001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-36N 053-06W, 51-25N 051-05W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 057-10W,
   60-10N 052-50W, 57-55N 046-15W,
   56-40N 036-30W, 57-35N 035-35W,
   61-20N 039-20W, 65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-37N 056-45W, 51-21N 056-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-48N 060-05W, 45-52N 059-10W,
      46-50N 058-15W, 48-31N 063-01W,
      49-00N 061-20W, 49-52N 061-40W,
      49-40N 059-45W, 49-57N 058-07W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 48-30N 051-20W,
      52-46N 051-19W, 55-34N 053-53W,
      58-03N 057-45W, 60-37N 058-47W,
      61-28N 057-49W.
   C. 62-25N 040-11W, 61-39N 040-22W,
      59-57N 042-08W, 59-41N 043-22W,
      59-52N 045-05W, 59-55N 045-19W,
      60-28N 045-46W, 60-31N 045-36W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 18 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 230001Z MAR 21.

NAVAREA IV 250/212021-03-22 19:37Z → cancelled 2021-03-24 00:01Z (archive)

North american ice service (nais) iceberg bulletin 230001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 230001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-36N 053-06W, 51-25N 050-55W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 057-10W,
   60-10N 052-50W, 57-55N 046-15W,
   56-40N 036-30W, 57-35N 035-35W,
   61-20N 039-20W, 65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-37N 056-45W, 51-21N 056-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-03N 059-54W, 46-01N 059-09W,
      46-50N 058-46W, 48-31N 063-01W,
      49-00N 061-20W, 49-52N 061-40W,
      49-40N 059-45W, 49-57N 058-07W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 48-44N 050-24W,
      50-41N 051-15W, 52-21N 050-39W,
      55-19N 053-15W, 58-03N 057-45W,
      60-37N 058-47W, 61-28N 057-49W.
   C. 62-25N 040-11W, 61-39N 040-22W,
      59-57N 042-08W, 59-41N 043-22W,
      59-52N 045-05W, 59-55N 045-19W,
      60-28N 045-46W, 60-31N 045-36W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 18 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 240001Z MAR 21.

NAVAREA IV 252/212021-03-23 18:54Z → cancelled 2021-03-25 00:01Z (archive)

North american ice service (nais) iceberg bulletin 240001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 240001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-36N 053-06W, 49-35N 051-20W,
   51-25N 050-45W, 55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 057-10W,
   60-10N 052-50W, 58-30N 044-55W,
   59-10N 040-55W, 61-20N 038-40W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-45W, 51-20N 056-29W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-03N 059-54W, 46-01N 059-09W,
      46-42N 058-18W, 48-31N 063-01W,
      49-00N 061-20W, 49-52N 061-40W,
      49-40N 059-45W, 49-57N 058-07W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 48-45N 049-13W,
      50-40N 050-48W, 52-03N 050-12W,
      55-01N 052-18W, 58-03N 057-45W,
      60-37N 058-47W, 61-28N 057-49W.
   C. 62-25N 040-42W, 61-13N 040-16W,
      59-35N 041-56W, 59-44N 044-38W,
      60-09N 045-26W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 18 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 250001Z MAR 21.

NAVAREA IV 260/212021-03-24 18:32Z → cancelled 2021-03-26 00:01Z (archive)

North american ice service (nais) iceberg bulletin 250001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 250001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-36N 053-06W, 49-00N 051-40W,
   51-00N 050-25W, 55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 057-10W,
   60-10N 052-50W, 58-30N 044-55W,
   59-10N 040-55W, 61-20N 038-40W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-45W, 51-20N 056-29W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-03N 059-57W, 46-03N 059-00W,
      47-03N 058-01W, 48-31N 063-01W,
      49-00N 061-20W, 49-52N 061-40W,
      49-55N 059-27W, 50-14N 057-50W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 48-44N 051-00W,
      52-03N 050-12W, 55-01N 052-18W,
      58-03N 057-45W, 60-37N 058-47W,
      61-28N 057-49W.
   C. 62-25N 041-03W, 61-23N 040-22W,
      60-25N 041-24W, 59-30N 042-28W,
      59-35N 044-01W, 59-46N 043-58W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 18 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 260001Z MAR 21.

NAVAREA IV 262/212021-03-25 19:31Z → cancelled 2021-03-27 00:01Z (archive)

North american ice service (nais) iceberg bulletin 260001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 260001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-36N 053-06W, 49-35N 051-10W,
   50-55N 050-40W, 55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 59-30N 057-10W,
   60-10N 052-50W, 58-30N 044-55W,
   59-10N 040-55W, 61-20N 038-40W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-45W, 51-19N 056-33W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-03N 059-57W, 46-03N 059-00W,
      47-03N 058-01W, 48-31N 063-01W,
      49-00N 061-20W, 49-52N 061-40W,
      49-55N 059-27W, 50-14N 057-50W,
      48-22N 059-32W, 48-11N 058-55W.
   B. 48-39N 053-03W, 48-44N 051-00W,
      52-03N 050-12W, 55-01N 052-18W,
      58-03N 057-45W, 60-37N 058-47W,
      61-11N 057-32W.
   C. 62-25N 041-03W, 61-23N 040-22W,
      60-25N 041-24W, 59-30N 042-28W,
      59-35N 044-01W, 59-46N 043-58W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 24 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 270001Z MAR 21.

NAVAREA IV 264/212021-03-26 19:57Z → cancelled 2021-03-28 00:01Z (archive)

North american ice service (nais) iceberg bulletin 270001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 270001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-36N 053-06W, 49-15N 051-20W,
   50-55N 050-40W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-05N 058-00W,
   61-20N 054-30W, 59-00N 048-30W,
   58-20N 041-00W, 64-05N 036-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 056-45W, 51-19N 056-33W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 46-27N 058-53W,
      47-36N 058-42W.
   B. 48-39N 053-03W, 48-44N 051-00W,
      52-03N 050-12W, 55-01N 052-18W,
      58-03N 057-45W, 60-37N 058-47W,
      61-11N 057-32W.
   C. 62-22N 041-16W, 62-03N 041-11W,
      60-58N 041-46W, 59-38N 041-46W,
      59-26N 042-18W, 59-38N 043-41W,
      59-48N 043-47W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 24 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 280001Z MAR 21.

NAVAREA IV 265/212021-03-27 18:53Z → cancelled 2021-03-29 00:01Z (archive)

North american ice service (nais) iceberg bulletin 280001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 280001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-36N 053-06W, 49-05N 051-05W,
   50-55N 050-25W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-05N 058-00W,
   61-20N 054-30W, 59-00N 048-30W,
   58-20N 041-00W, 64-05N 036-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-31N 056-55W, 51-14N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 46-45N 059-00W,
      48-50N 061-29W, 50-22N 059-01W,
      49-52N 058-17W, 48-36N 059-08W.
   B. 48-28N 053-03W, 48-44N 051-00W,
      52-32N 050-53W, 55-02N 052-54W,
      58-03N 057-45W, 60-37N 058-47W,
      61-11N 057-32W.
   C. 62-22N 041-16W, 62-03N 041-11W,
      60-58N 041-46W, 59-38N 041-46W,
      59-26N 042-18W, 59-38N 043-41W,
      59-48N 043-47W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 24 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 290001Z MAR 21.

NAVAREA IV 266/212021-03-28 18:47Z → cancelled 2021-03-30 00:01Z (archive)

North american ice service (nais) iceberg bulletin 290001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 290001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-25N 053-09W, 49-00N 051-00W,
   50-55N 050-25W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-05N 058-00W,
   61-20N 054-30W, 59-00N 048-30W,
   58-20N 041-00W, 64-05N 036-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-06W, 51-04N 056-49W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 46-34N 059-13W,
      48-46N 062-10W, 50-22N 059-01W,
      49-52N 058-17W, 48-36N 059-08W.
   B. 48-10N 052-55W, 48-27N 050-59W,
      52-46N 051-27W, 55-02N 052-54W,
      58-03N 057-45W, 60-37N 058-47W,
      61-11N 057-32W.
   C. 62-25N 040-41W, 59-18N 042-32W,
      59-10N 042-44W, 59-10N 043-09W,
      59-34N 044-18W, 59-41N 044-16W,
      59-48N 044-02W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 24 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 300001Z MAR 21.

NAVAREA IV 269/212021-03-29 20:43Z → cancelled 2021-03-31 00:01Z (archive)

North american ice service (nais) iceberg bulletin 300001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 300001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-08N 052-55W, 48-55N 051-00W,
   50-55N 050-00W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-05N 058-00W,
   61-20N 054-30W, 59-00N 048-30W,
   58-20N 041-00W, 64-05N 036-00W,
   65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-06W, 51-04N 056-49W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-01N 059-50W, 46-34N 059-13W,
      48-46N 062-10W, 50-22N 059-01W,
      49-52N 058-17W, 48-36N 059-08W.
   B. 48-10N 052-55W, 48-27N 050-59W,
      52-46N 051-27W, 55-02N 052-54W,
      58-03N 057-45W, 60-37N 058-47W,
      61-11N 057-32W.
   C. 62-25N 041-09W, 61-50N 041-13W,
      59-34N 043-06W, 58-45N 043-13W,
      58-44N 043-20W, 59-07N 043-30W,
      59-20N 044-44W, 59-44N 044-39W,
      59-50N 044-24W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 24 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 310001Z MAR 21.

NAVAREA IV 271/212021-03-30 19:26Z → cancelled 2021-04-01 00:01Z (archive)

North american ice service (nais) iceberg bulletin 310001Z mar

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 310001Z MAR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-08N 052-55W, 48-45N 051-00W,
   51-25N 049-30W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-45N 053-45W, 56-15N 041-50W,
   57-00N 039-10W, 59-30N 040-55W,
   63-45N 037-00W, 65-40N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-06W, 51-04N 056-49W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-21N 060-25W, 47-02N 060-05W,
      47-49N 061-35W, 47-10N 063-52W,
      48-12N 063-22W, 49-18N 064-20W,
      48-45N 062-05W, 51-03N 057-34W,
      48-36N 059-08W.
   B. 48-10N 052-55W, 48-27N 050-59W,
      52-46N 051-27W, 55-02N 052-54W,
      58-03N 057-45W, 60-37N 058-47W,
      61-11N 057-32W.
   C. 62-22N 041-00W, 62-05N 040-51W,
      60-09N 042-18W, 59-12N 043-20W,
      59-10N 044-42W, 59-18N 044-57W,
      59-40N 044-35W, 59-46N 043-53W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 24 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 010001Z APR 21.

NAVAREA IV 273/212021-03-31 20:46Z → cancelled 2021-04-02 00:01Z (archive)

North american ice service (nais) iceberg bulletin 010001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 010001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-07N 052-54W, 48-20N 051-00W,
   51-25N 049-30W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-45N 053-45W, 56-15N 041-50W,
   57-00N 039-10W, 59-30N 040-55W,
   63-45N 037-00W, 65-40N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-06W, 51-04N 056-49W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-11N 059-50W, 47-11N 059-42W,
      47-44N 061-24W, 47-06N 063-38W,
      48-12N 063-22W, 49-18N 064-20W,
      48-45N 062-05W, 50-10N 058-28W,
      48-12N 059-56W, 47-38N 059-19W.
   B. 49-14N 053-31W, 49-06N 051-04W,
      54-31N 052-48W, 58-03N 057-45W,
      60-37N 058-47W, 61-11N 057-32W.
   C. 62-25N 041-10W, 61-45N 041-12W,
      60-02N 042-21W, 59-34N 043-40W,
      59-45N 046-00W, 59-51N 046-03W,
      59-54N 044-33W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 31 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 020001Z APR 21.

NAVAREA IV 276/212021-04-01 21:18Z → cancelled 2021-04-03 00:01Z (archive)

North american ice service (nais) iceberg bulletin 020001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 020001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-51N 053-07W, 48-20N 051-00W,
   51-25N 049-15W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-45N 053-45W, 56-15N 041-50W,
   57-00N 039-10W, 59-30N 040-55W,
   63-45N 037-00W, 65-40N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-06W, 51-04N 056-49W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-11N 059-50W, 47-11N 059-42W,
      47-44N 061-24W, 47-06N 063-38W,
      48-12N 063-22W, 49-18N 064-20W,
      48-45N 062-05W, 50-10N 058-28W,
      48-12N 059-56W, 47-38N 059-19W.
   B. 49-14N 053-31W, 48-29N 052-05W,
      48-43N 050-20W, 51-15N 051-55W,
      54-35N 052-11W, 58-03N 057-45W,
      60-37N 058-47W, 61-11N 057-32W.
   C. 62-25N 041-10W, 61-45N 041-12W,
      60-02N 042-21W, 59-34N 043-40W,
      59-45N 046-00W, 59-51N 046-03W,
      59-54N 044-33W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 31 MAR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 030001Z APR 21.

NAVAREA IV 282/212021-04-02 21:28Z → cancelled 2021-04-04 00:01Z (archive)

North american ice service (nais) iceberg bulletin 030001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 030001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-51N 053-07W, 48-20N 051-00W,
   51-25N 049-15W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-45N 053-45W, 56-15N 041-50W,
   57-00N 038-55W, 59-30N 040-55W,
   63-45N 037-00W, 65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-06W, 51-04N 056-49W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-11N 059-50W, 47-11N 059-42W,
      47-44N 061-24W, 47-06N 063-38W,
      48-12N 063-22W, 49-18N 064-20W,
      48-45N 062-05W, 50-10N 058-28W,
      48-12N 059-56W, 47-38N 059-19W.
   B. 49-14N 053-31W, 48-29N 052-05W,
      48-43N 050-20W, 51-15N 051-55W,
      54-35N 052-11W, 58-03N 057-45W,
      60-37N 058-47W, 61-11N 057-32W.
   C. 62-25N 041-10W, 61-45N 041-12W,
      60-02N 042-21W, 59-34N 043-40W,
      59-45N 046-00W, 59-51N 046-03W,
      59-54N 044-33W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 01 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 040001Z APR 21.

NAVAREA IV 283/212021-04-03 21:34Z → cancelled 2021-04-05 00:01Z (archive)

North american ice service (nais) iceberg bulletin 040001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 040001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-51N 053-07W, 48-20N 051-00W,
   51-25N 049-00W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-45N 053-45W, 56-15N 041-50W,
   57-00N 038-55W, 59-30N 040-55W,
   63-45N 037-00W, 65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-06W, 51-04N 056-49W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 46-11N 059-50W, 47-11N 059-42W,
      47-44N 061-24W, 47-06N 063-38W,
      48-12N 063-22W, 49-18N 064-20W,
      48-45N 062-05W, 50-10N 058-28W,
      48-12N 059-56W, 47-38N 059-19W.
   B. 49-14N 053-31W, 48-29N 052-05W,
      48-43N 050-20W, 51-15N 051-55W,
      54-31N 051-45W, 56-00N 053-18W,
      58-03N 058-31W, 60-37N 058-47W,
      61-11N 057-32W.
   C. 62-25N 040-39W, 61-26N 040-40W,
      59-32N 042-19W, 59-24N 042-46W,
      59-34N 045-11W, 60-27N 045-48W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 02 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 050001Z APR 21.

100

NAVAREA IV 284/212021-04-04 21:32Z → cancelled 2021-04-06 00:01Z (archive)

North american ice service (nais) iceberg bulletin 050001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 050001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-51N 053-07W, 48-20N 051-00W,
   52-00N 048-35W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-45N 053-45W, 56-15N 041-50W,
   57-00N 038-55W, 59-30N 040-55W,
   63-45N 037-00W, 65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-06W, 51-04N 056-49W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-40N 062-33W, 46-35N 061-27W,
      47-05N 063-36W, 48-46N 064-10W,
      48-46N 064-10W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-14N 053-31W, 48-29N 052-05W,
      48-43N 050-20W, 51-15N 051-55W,
      54-31N 051-45W, 56-00N 053-18W,
      58-03N 058-31W, 60-40N 059-33W,
      61-43N 057-19W.
   D. 62-25N 040-48W, 61-27N 040-35W,
      60-02N 041-12W, 59-18N 042-25W,
      59-27N 044-58W, 59-31N 045-10W,
      60-02N 045-18W, 60-06N 045-14W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 02 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 060001Z APR 21.

101

NAVAREA IV 286/212021-04-05 19:31Z → cancelled 2021-04-07 00:01Z (archive)

North american ice service (nais) iceberg bulletin 060001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 060001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-51N 053-07W, 48-20N 051-00W,
   52-00N 048-35W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-45N 053-45W, 56-15N 041-50W,
   57-00N 038-55W, 59-30N 040-55W,
   63-45N 037-00W, 65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-43N 056-28W, 51-26N 056-14W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-40N 062-33W, 46-35N 061-27W,
      47-05N 063-36W, 48-46N 064-10W,
      48-46N 064-10W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-14N 053-31W, 48-29N 052-05W,
      49-25N 050-38W, 51-02N 052-19W,
      55-36N 051-53W, 56-15N 053-43W,
      56-25N 056-07W, 58-03N 058-09W,
      60-40N 059-33W, 61-43N 057-19W.
   D. 62-25N 040-48W, 61-27N 040-35W,
      60-02N 041-12W, 59-18N 042-25W,
      59-27N 044-58W, 59-31N 045-10W,
      60-02N 045-18W, 60-06N 045-14W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 02 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 070001Z APR 21.

102

NAVAREA IV 288/212021-04-06 20:11Z → cancelled 2021-04-08 00:01Z (archive)

North american ice service (nais) iceberg bulletin 070001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 070001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-51N 053-07W, 48-20N 050-45W,
   52-00N 048-35W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-30N 051-50W, 57-35N 042-45W,
   58-55N 038-20W, 60-30N 040-00W,
   63-40N 036-40W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-39N 056-38W, 51-24N 056-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-40N 062-33W, 46-35N 061-27W,
      47-05N 063-36W, 48-46N 064-10W,
      48-46N 064-10W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-14N 053-31W, 48-59N 052-11W,
      50-00N 050-50W, 51-02N 052-19W,
      55-39N 051-36W, 56-15N 053-43W,
      56-29N 056-02W, 58-03N 058-09W,
      60-40N 059-33W, 61-43N 057-19W.
   D. 62-25N 040-51W, 60-51N 041-01W,
      60-05N 041-18W, 59-35N 041-58W,
      59-22N 043-21W, 59-20N 043-59W,
      59-38N 045-08W, 59-59N 044-50W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 02 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 080001Z APR 21.

103

NAVAREA IV 291/212021-04-07 18:50Z → cancelled 2021-04-09 00:01Z (archive)

North american ice service (nais) iceberg bulletin 080001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 080001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-51N 053-07W, 48-15N 050-45W,
   52-20N 048-55W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-30N 051-50W, 57-35N 042-45W,
   58-55N 038-20W, 60-30N 040-00W,
   63-40N 036-40W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-30N 056-52W, 51-18N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-40N 062-33W, 46-35N 061-27W,
      47-05N 063-36W, 48-46N 064-10W,
      48-46N 064-10W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-18N 053-36W, 49-36N 051-57W,
      50-30N 052-25W, 55-42N 051-20W,
      56-48N 056-57W, 58-03N 058-09W,
      60-40N 059-33W, 61-43N 057-19W.
   D. 62-25N 040-39W, 62-09N 040-28W,
      59-56N 041-24W, 59-18N 043-02W,
      59-26N 045-00W, 59-48N 045-38W,
      60-10N 045-27W, 60-12N 045-24W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 02 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 090001Z APR 21.

104

NAVAREA IV 293/212021-04-08 18:46Z → cancelled 2021-04-10 00:01Z (archive)

North american ice service (nais) iceberg bulletin 090001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 090001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-51N 053-07W, 48-00N 050-50W,
   52-15N 048-35W, 55-00N 051-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-10W, 60-00N 058-30W,
   60-30N 051-50W, 57-35N 042-45W,
   58-55N 038-20W, 60-30N 040-00W,
   63-40N 036-40W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-26N 056-58W, 51-14N 056-47W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-44N 062-42W, 46-31N 061-47W,
      46-43N 063-36W, 48-45N 064-10W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-18N 053-36W, 49-36N 051-57W,
      50-30N 052-25W, 55-42N 051-20W,
      56-48N 056-57W, 58-03N 058-09W,
      60-40N 059-33W, 61-43N 057-19W.
   D. 62-25N 040-25W, 59-58N 041-11W,
      59-10N 043-13W, 59-30N 045-29W,
      59-44N 045-41W, 60-10N 045-27W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 02 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 100001Z APR 21.

105

NAVAREA IV 296/212021-04-09 18:51Z → cancelled 2021-04-11 00:01Z (archive)

North american ice service (nais) iceberg bulletin 100001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 100001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-42N 052-45W, 47-50N 050-50W,
   52-00N 048-30W, 55-00N 051-05W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-05W, 60-00N 058-30W,
   60-30N 051-50W, 57-35N 042-45W,
   58-55N 038-20W, 60-30N 040-00W,
   63-40N 036-40W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-25N 057-04W, 51-03N 056-52W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-44N 062-42W, 46-31N 061-47W,
      46-43N 063-36W, 48-45N 064-10W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-33N 055-10W, 51-24N 052-52W,
      54-57N 051-12W, 56-45N 056-38W,
      58-03N 057-51W, 60-40N 059-33W,
      61-43N 057-19W.
   D. 62-25N 040-25W, 59-58N 041-11W,
      59-10N 043-13W, 59-30N 045-29W,
      59-44N 045-41W, 60-10N 042-27W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 03 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 110001Z APR 21.

106

NAVAREA IV 297/212021-04-10 18:34Z → cancelled 2021-04-12 00:01Z (archive)

North american ice service (nais) iceberg bulletin 110001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 110001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-35N 052-43W, 47-40N 050-45W,
   51-40N 048-35W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-30W,
   60-30N 051-50W, 57-35N 042-45W,
   58-55N 038-20W, 60-30N 040-00W,
   63-40N 036-40W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-25N 057-09W, 51-00N 057-02W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-44N 062-42W, 46-31N 061-47W,
      46-43N 063-36W, 48-45N 064-10W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-33N 054-30W, 51-21N 052-43W,
      54-57N 051-12W, 55-51N 052-57W,
      56-30N 056-25W, 58-03N 057-51W,
      60-16N 059-21W, 61-36N 057-59W.
   D. 62-25N 040-29W, 62-01N 040-24W,
      59-48N 041-35W, 59-18N 042-32W,
      59-39N 045-45W, 60-10N 046-38W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 03 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 120001Z APR 21.

107

NAVAREA IV 299/212021-04-11 18:45Z → cancelled 2021-04-13 00:01Z (archive)

North american ice service (nais) iceberg bulletin 120001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 120001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-35N 052-43W, 47-40N 050-45W,
   51-20N 048-35W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-30W,
   60-30N 051-50W, 57-35N 042-45W,
   58-55N 038-20W, 60-30N 040-00W,
   63-40N 036-40W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-26N 057-01W, 51-02N 056-54W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 45-44N 062-42W, 46-31N 061-47W,
      46-43N 063-36W, 48-45N 064-10W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-33N 054-30W, 51-53N 052-30W,
      54-57N 051-12W, 55-38N 052-59W,
      56-19N 056-37W, 58-03N 057-51W,
      60-12N 058-59W, 61-36N 057-59W.
   D. 62-25N 040-24W, 60-51N 040-41W,
      59-55N 041-19W, 59-26N 042-07W,
      59-17N 043-14W, 59-51N 046-04W,
      60-24N 046-23W, 60-31N 046-08W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHEASTERN LIMIT SATELLITE PASS 11 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 130001Z APR 21.

108

NAVAREA IV 302/212021-04-12 20:20Z → cancelled 2021-04-14 00:01Z (archive)

North american ice service (nais) iceberg bulletin 130001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 130001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-25N 052-45W, 47-30N 050-30W,
   51-20N 048-35W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-30W,
   60-30N 051-50W, 57-35N 042-45W,
   58-55N 038-20W, 60-30N 040-00W,
   63-40N 036-40W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-26N 057-01W, 51-02N 056-54W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 47-03N 064-49W, 47-20N 064-12W,
      48-05N 063-56W, 48-50N 064-13W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-33N 054-30W, 54-19N 051-39W,
      56-19N 056-37W, 58-03N 057-51W,
      61-46N 059-15W, 62-19N 057-29W.
   D. 62-25N 040-24W, 60-51N 040-41W,
      59-55N 041-19W, 59-26N 042-07W,
      59-17N 043-14W, 59-51N 046-04W,
      60-24N 046-23W, 60-31N 046-08W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 12 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 140001Z APR 21.

109

NAVAREA IV 303/212021-04-13 19:22Z → cancelled 2021-04-15 00:01Z (archive)

North american ice service (nais) iceberg bulletin 140001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 140001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-25N 052-45W, 47-30N 050-30W,
   51-20N 048-35W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-30N 058-30W,
   61-20N 053-10W, 58-25N 045-00W,
   58-25N 040-45W, 59-20N 037-45W,
   63-00N 038-20W, 63-20N 035-00W,
   64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-26N 057-01W, 51-02N 056-54W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 47-03N 064-49W, 47-20N 064-12W,
      48-05N 063-56W, 48-50N 064-13W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      51-07N 057-41W, 50-22N 057-32W.
   C. 49-58N 055-30W, 51-24N 053-55W,
      54-19N 051-39W, 56-19N 056-37W,
      58-03N 058-24W, 59-46N 058-24W,
      61-46N 059-15W, 62-19N 057-29W.
   D. 62-25N 040-36W, 62-16N 040-33W,
      59-44N 041-21W, 58-56N 043-05W,
      59-27N 045-18W, 59-59N 045-51W,
      60-10N 045-25W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 12 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 150001Z APR 21.

110

NAVAREA IV 307/212021-04-15 19:18Z → cancelled 2021-04-17 00:01Z (archive)

North american ice service (nais) iceberg bulletin 160001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 160001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-03N 052-58W, 47-15N 050-45W,
   51-10N 048-50W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-30W,
   60-30N 051-50W, 57-35N 042-45W,
   58-55N 038-20W, 60-30N 040-00W,
   63-40N 036-40W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-26N 057-10W, 50-45N 057-04W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 47-03N 064-49W, 47-20N 064-12W,
      48-05N 063-56W, 48-50N 064-13W.
   B. 50-05N 061-46W, 49-54N 060-00W,
      50-54N 058-07W, 50-22N 057-32W.
   C. 49-58N 055-30W, 51-21N 053-35W,
      54-55N 052-10W, 56-19N 056-37W,
      58-03N 057-48W, 61-47N 058-33W,
      61-51N 058-19W, 62-00N 057-49W,
      62-08N 057-24W.
   D. 62-25N 040-16W, 60-24N 041-20W,
      59-05N 042-46W, 59-11N 045-41W,
      59-45N 045-26W, 59-56N 044-58W,
      59-59N 044-50W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 14 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 170001Z APR 21.

111

NAVAREA IV 310/212021-04-16 18:52Z → cancelled 2021-04-17 16:38Z (archive)

North american ice service (nais) iceberg bulletin 170001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 170001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-00N 051-35W,
   52-50N 050-25W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-00W,
   60-50N 053-15W, 58-15N 044-10W,
   59-00N 039-15W, 60-30N 040-00W,
   63-20N 037-50W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-33W, 50-45N 057-05W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-16N 059-54W, 50-42N 058-38W,
      50-42N 057-25W.
   B. 49-58N 055-30W, 50-42N 054-08W,
      53-59N 052-40W, 55-22N 053-47W,
      56-12N 056-33W, 58-03N 057-48W,
      61-47N 058-33W, 61-51N 058-19W,
      62-00N 057-49W, 62-08N 057-24W.
   C. 62-25N 040-09W, 59-54N 041-16W,
      59-22N 045-39W, 59-35N 045-18W,
      59-56N 044-25W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 15 APR 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 160001Z APR
   BULLETIN DUE TO RECENT RECONNAISSANCE.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 180001Z APR 21.

112

NAVAREA IV 313/212021-04-17 16:38Z → cancelled 2021-04-18 00:01Z (archive)

Revision 01 north american ice service (nais) iceberg bulletin 171432Z apr

1. REVISION 01 NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 171432Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-00N 051-35W,
   52-50N 050-25W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-00W,
   60-50N 053-15W, 58-15N 044-10W,
   59-00N 039-15W, 60-30N 040-00W,
   63-20N 037-50W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-09N 058-38W, 50-18N 057-32W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-16N 059-54W, 50-42N 058-38W,
      50-42N 057-25W.
   B. 49-58N 055-30W, 50-42N 054-08W,
      53-59N 052-40W, 55-22N 053-47W,
      56-12N 056-33W, 58-03N 057-48W,
      61-47N 058-33W, 61-51N 058-19W,
      62-00N 057-49W, 62-08N 057-24W.
   C. 62-25N 040-09W, 59-54N 041-16W,
      59-22N 045-39W, 59-35N 045-18W,
      59-56N 044-25W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT GENERAL FLIGHT 16 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL NAVAREA IV 310/21.
10. CANCEL THIS MSG 180001Z APR 21.

113

NAVAREA IV 314/212021-04-17 20:35Z → cancelled 2021-04-19 00:01Z (archive)

North american ice service (nais) iceberg bulletin 180001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 180001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-00N 051-35W,
   52-45N 050-15W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-00W,
   60-50N 053-15W, 58-15N 044-10W,
   59-00N 039-15W, 60-30N 040-00W,
   63-20N 037-50W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-28N 059-37W, 49-28N 058-08W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-17N 059-53W, 50-52N 058-16W,
      50-42N 057-25W.
   B. 49-58N 055-30W, 50-42N 054-08W,
      53-59N 052-40W, 55-22N 053-47W,
      56-12N 056-33W, 58-03N 057-48W,
      61-47N 058-33W, 61-51N 058-19W,
      62-00N 057-49W, 62-08N 057-24W.
   C. 62-23N 040-26W, 59-44N 040-47W,
      58-53N 042-41W, 59-15N 045-41W,
      59-30N 045-20W, 59-56N 044-25W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 17 APR 21.
7. NOTE THE SIGNIFICANT EXPANSION
   OF THE ICEBERG LIMIT SINCE 170001Z APR
   BULLETIN DUE TO RECENT RECONNAISSANCE.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 190001Z APR 21.

114

NAVAREA IV 315/212021-04-18 18:42Z → cancelled 2021-04-20 00:01Z (archive)

North american ice service (nais) iceberg bulletin 190001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 190001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   54-00N 050-40W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-00W,
   60-50N 053-15W, 58-15N 044-10W,
   59-00N 039-15W, 60-30N 040-00W,
   63-20N 037-50W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-15N 060-00W, 49-19N 058-15W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-17N 059-53W, 50-52N 058-16W,
      50-42N 057-25W.
   B. 49-59N 055-52W, 53-59N 052-40W,
      55-41N 053-28W, 56-12N 056-33W,
      58-03N 057-48W, 61-47N 058-33W,
      61-51N 058-19W, 62-00N 057-49W,
      62-08N 057-24W.
   C. 62-23N 040-26W, 59-44N 040-47W,
      58-53N 042-41W, 59-15N 045-41W,
      59-30N 045-20W, 59-56N 044-25W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 17 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 200001Z APR 21.

115

NAVAREA IV 317/212021-04-19 21:06Z → cancelled 2021-04-21 00:01Z (archive)

North american ice service (nais) iceberg bulletin 200001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 200001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   54-00N 050-40W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-00W,
   60-50N 053-15W, 58-15N 044-10W,
   59-00N 039-15W, 60-30N 040-00W,
   63-20N 037-50W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-30W, 49-01N 058-21W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-17N 059-53W, 50-52N 058-16W,
      50-42N 057-25W.
   B. 50-00N 055-31W, 54-40N 052-33W,
      55-46N 053-25W, 56-21N 056-07W,
      58-03N 057-31W, 61-47N 058-33W,
      61-51N 058-19W, 62-00N 057-49W,
      62-08N 057-24W.
   C. 62-25N 040-57W, 61-38N 040-46W,
      60-26N 041-21W, 59-32N 040-23W,
      59-14N 041-45W, 59-25N 042-18W,
      60-34N 042-50W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 17 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 210001Z APR 21.

116

NAVAREA IV 320/212021-04-20 21:23Z → cancelled 2021-04-22 00:01Z (archive)

North american ice service (nais) iceberg bulletin 210001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 210001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   54-00N 050-40W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-00W,
   60-50N 053-15W, 57-15N 045-35W,
   58-25N 037-15W, 60-30N 039-40W,
   63-20N 036-30W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-31N 056-47W, 51-22N 056-38W.
   B. 50-00N 055-52W, 50-56N 054-55W,
      54-33N 052-35W, 55-31N 053-32W,
      56-32N 056-01W, 58-03N 057-31W,
      61-47N 058-33W, 61-51N 058-19W,
      62-00N 057-49W, 62-08N 057-24W.
   C. 62-25N 040-57W, 61-38N 040-46W,
      60-26N 041-21W, 59-32N 040-23W,
      59-14N 041-45W, 59-25N 042-18W,
      60-34N 042-50W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 19 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 220001Z APR 21.

117

NAVAREA IV 325/212021-04-21 21:22Z → cancelled 2021-04-23 00:01Z (archive)

North american ice service (nais) iceberg bulletin 220001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 220001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   54-00N 050-40W, 55-00N 051-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-00W, 60-00N 058-00W,
   60-50N 053-15W, 57-15N 045-35W,
   58-25N 037-15W, 60-30N 039-40W,
   63-20N 036-30W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-31N 056-47W, 51-22N 056-38W.
   B. 50-00N 055-52W, 50-56N 054-55W,
      54-33N 052-35W, 55-31N 053-32W,
      56-32N 056-01W, 58-03N 057-31W,
      61-47N 058-33W, 61-51N 058-19W,
      62-00N 057-49W, 62-08N 057-24W.
   C. 62-25N 040-57W, 61-38N 040-46W,
      60-26N 041-21W, 59-32N 040-23W,
      59-14N 041-45W, 59-25N 042-18W,
      60-34N 042-50W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 19 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 230001Z APR 21.

118

NAVAREA IV 326/212021-04-22 20:04Z → cancelled 2021-04-24 00:01Z (archive)

North american ice service (nais) iceberg bulletin 230001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 230001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   55-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 052-00W, 60-00N 058-00W,
   60-50N 053-15W, 57-15N 045-35W,
   58-25N 037-15W, 60-30N 039-40W,
   63-20N 036-30W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-31N 056-47W, 51-22N 056-38W.
   B. 49-59N 055-33W, 54-31N 052-35W,
      56-32N 056-01W, 58-03N 057-31W,
      61-47N 058-33W, 61-51N 058-19W,
      62-00N 057-49W, 62-08N 057-24W.
   C. 62-25N 040-57W, 61-38N 040-46W,
      60-26N 041-21W, 59-32N 040-23W,
      59-14N 041-45W, 59-25N 042-18W,
      60-34N 042-50W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 21 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 240001Z APR 21.

119

NAVAREA IV 331/212021-04-23 19:20Z → cancelled 2021-04-25 00:01Z (archive)

North american ice service (nais) iceberg bulletin 240001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 240001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   55-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 052-00W, 60-00N 058-00W,
   60-50N 053-15W, 57-15N 045-35W,
   57-25N 042-30W, 58-25N 037-15W,
   62-10N 039-15W, 63-25N 036-55W,
   64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-31N 056-47W, 51-22N 056-38W.
   B. 49-59N 055-33W, 53-58N 054-29W,
      54-31N 053-16W, 58-03N 057-31W,
      61-47N 058-33W, 61-51N 058-19W,
      62-00N 057-49W, 62-08N 057-24W.
   C. 62-23N 041-20W, 60-06N 042-31W,
      59-44N 043-18W, 59-27N 044-29W,
      59-29N 044-46W, 59-48N 044-39W,
      59-47N 044-06W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 21 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 250001Z APR 21.

120

NAVAREA IV 336/212021-04-24 19:33Z → cancelled 2021-04-26 00:01Z (archive)

North american ice service (nais) iceberg bulletin 250001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 250001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   55-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 052-00W, 60-00N 058-00W,
   60-50N 053-15W, 57-15N 045-35W,
   57-25N 042-30W, 58-25N 037-15W,
   62-10N 039-15W, 63-25N 036-55W,
   64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-31N 056-47W, 51-22N 056-38W.
   B. 49-59N 055-33W, 53-58N 054-29W,
      54-31N 053-16W, 58-03N 057-31W,
      61-47N 058-33W, 61-51N 058-19W,
      62-00N 057-49W, 62-08N 057-24W.
   C. 62-23N 041-20W, 60-06N 042-31W,
      59-44N 043-18W, 59-27N 044-29W,
      59-29N 044-46W, 59-48N 044-39W,
      59-47N 044-06W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 21 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 260001Z APR 21.

121

NAVAREA IV 339/212021-04-25 18:35Z → cancelled 2021-04-27 00:01Z (archive)

North american ice service (nais) iceberg bulletin 260001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 260001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   55-20N 051-45W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-20N 051-45W, 60-00N 058-00W,
   60-50N 053-15W, 57-15N 045-35W,
   57-25N 042-30W, 58-25N 037-15W,
   62-10N 039-15W, 63-25N 036-55W,
   64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-31N 056-47W, 51-22N 056-38W.
   B. 49-55N 055-31W, 50-01N 054-41W,
      55-39N 054-30W, 58-03N 057-31W,
      61-47N 058-33W, 61-51N 058-19W,
      62-00N 057-49W, 62-08N 057-24W.
   C. 62-23N 041-27W, 61-59N 041-35W,
      59-52N 043-04W, 59-32N 044-32W,
      59-46N 045-43W, 60-20N 045-50W,
      60-14N 045-24W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 21 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 270001Z APR 21.

122

NAVAREA IV 342/212021-04-26 18:38Z → cancelled 2021-04-28 00:01Z (archive)

North american ice service (nais) iceberg bulletin 270001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 270001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 60-00N 058-00W,
   60-50N 053-15W, 57-15N 045-35W,
   57-25N 042-30W, 58-25N 037-15W,
   62-10N 039-15W, 63-25N 036-55W,
   64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-31N 056-47W, 51-22N 056-38W.
   B. 49-30N 055-26W, 50-01N 054-41W,
      54-57N 053-16W, 58-03N 057-31W,
      62-00N 059-37W, 63-12N 057-52W.
   C. 62-23N 041-27W, 61-59N 041-35W,
      59-52N 043-04W, 59-32N 044-32W,
      59-46N 045-43W, 60-20N 045-50W,
      60-14N 045-24W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 21 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 280001Z APR 21.

123

NAVAREA IV 345/212021-04-27 19:33Z → cancelled 2021-04-29 00:01Z (archive)

North american ice service (nais) iceberg bulletin 280001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 280001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   55-00N 051-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 051-20W, 60-00N 058-00W,
   60-50N 053-30W, 55-50N 049-10W,
   56-05N 043-15W, 58-25N 037-15W,
   60-50N 040-25W, 64-15N 035-20W,
   64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-31N 056-47W, 51-22N 056-38W.
   B. 49-30N 055-26W, 50-01N 054-41W,
      54-57N 053-16W, 58-03N 057-31W,
      62-00N 059-37W, 63-12N 057-52W.
   C. 62-25N 042-04W, 62-14N 041-16W,
      61-54N 041-17W, 61-39N 042-04W,
      59-51N 043-01W, 59-41N 043-44W,
      59-48N 045-27W, 60-07N 045-19W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 21 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 290001Z APR 21.

124

NAVAREA IV 349/212021-04-28 20:15Z → cancelled 2021-04-30 00:01Z (archive)

North american ice service (nais) iceberg bulletin 290001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 290001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   55-05N 050-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-05N 050-50W, 60-00N 058-00W,
   60-50N 053-30W, 55-50N 049-10W,
   56-05N 043-15W, 58-25N 037-15W,
   60-50N 040-25W, 64-15N 035-20W,
   64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-31N 056-47W, 51-22N 056-38W.
   B. 49-30N 055-26W, 50-01N 054-41W,
      54-57N 053-16W, 58-03N 057-31W,
      62-00N 059-37W, 63-12N 057-52W.
   C. 62-25N 041-16W, 61-49N 041-26W,
      61-34N 041-42W, 59-37N 043-08W,
      59-34N 043-18W, 59-35N 043-31W,
      59-51N 043-39W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 21 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 300001Z APR 21.

125

NAVAREA IV 355/212021-04-29 19:27Z → cancelled 2021-05-01 00:01Z (archive)

North american ice service (nais) iceberg bulletin 300001Z apr

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 300001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-36N 052-41W, 48-05N 051-35W,
   55-10N 050-45W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-10N 050-45W, 60-00N 058-00W,
   60-50N 053-30W, 55-50N 049-10W,
   56-05N 043-15W, 58-25N 037-15W,
   60-50N 040-25W, 64-15N 035-20W,
   64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-58W, 48-45N 058-30W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-43N 056-27W, 51-30N 056-13W.
   B. 50-46N 056-02W, 50-50N 054-58W,
      54-11N 054-51W, 55-08N 053-10W,
      58-03N 058-06W, 62-00N 059-37W,
      63-23N 057-57W.
   C. 62-25N 040-58W, 61-25N 041-16W,
      60-32N 042-29W, 59-25N 043-43W,
      59-31N 044-33W, 59-37N 044-31W,
      59-47N 043-44W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 21 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 010001Z MAY 21.

126

NAVAREA IV 357/212021-04-30 19:23Z → cancelled 2021-05-02 00:01Z (archive)

North american ice service (nais) iceberg bulletin 010001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 010001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-43N 052-47W, 48-25N 051-40W,
   55-05N 050-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-05N 050-30W, 60-00N 058-00W,
   60-50N 053-30W, 55-50N 049-30W,
   56-25N 039-25W, 60-50N 040-25W,
   63-55N 034-45W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-16N 060-28W, 49-02N 058-18W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-43N 056-27W, 51-30N 056-13W.
   B. 50-39N 056-08W, 50-42N 054-58W,
      54-05N 054-52W, 55-02N 052-53W,
      58-03N 058-22W, 61-36N 060-12W,
      63-24N 057-58W.
   C. 62-25N 040-58W, 61-25N 041-16W,
      60-32N 042-29W, 59-25N 043-43W,
      59-31N 044-33W, 59-37N 044-31W,
      59-47N 043-44W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 29 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 020001Z MAY 21.

127

NAVAREA IV 360/212021-05-01 18:39Z → cancelled 2021-05-03 00:01Z (archive)

North american ice service (nais) iceberg bulletin 020001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 020001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-25N 054-06W, 51-10N 050-30W,
   55-05N 050-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-05N 050-30W, 60-00N 058-00W,
   60-50N 053-30W, 55-50N 049-30W,
   56-25N 039-25W, 60-50N 040-25W,
   63-55N 034-45W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-14N 060-35W, 49-02N 058-18W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 51-43N 056-27W, 51-30N 056-13W.
   B. 50-39N 056-08W, 50-42N 054-58W,
      54-05N 054-52W, 55-02N 052-53W,
      58-03N 058-22W, 61-36N 060-12W,
      63-24N 057-58W.
   C. 62-25N 040-17W, 60-55N 041-14W,
      60-15N 041-39W, 60-06N 041-54W,
      59-36N 043-55W, 59-49N 043-44W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 30 APR 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 010001Z MAY
   BULLETIN DUE TO RECENT RECONNAISSANCE.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 030001Z MAY 21.

128

NAVAREA IV 363/212021-05-02 18:33Z → cancelled 2021-05-04 00:01Z (archive)

North american ice service (nais) iceberg bulletin 030001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 030001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-25N 054-06W, 51-15N 050-15W,
   55-05N 050-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-05N 050-30W, 60-00N 058-00W,
   60-50N 053-30W, 55-50N 049-30W,
   56-25N 039-25W, 60-50N 040-25W,
   63-55N 034-45W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-15N 060-53W, 48-58N 058-21W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 52-13N 055-38W, 53-51N 054-47W,
      54-23N 053-35W, 55-24N 053-46W,
      56-04N 056-42W, 58-02N 059-18W,
      60-00N 059-46W, 61-50N 061-30W,
      63-32N 057-57W.
   B. 62-25N 040-17W, 60-55N 041-14W,
      60-15N 041-39W, 60-06N 041-54W,
      59-36N 043-55W, 59-49N 043-44W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 30 APR 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 040001Z MAY 21.

129

NAVAREA IV 366/212021-05-03 19:40Z → cancelled 2021-05-05 00:01Z (archive)

North american ice service (nais) iceberg bulletin 040001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 040001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-31N 054-32W, 53-20N 050-20W,
   55-00N 050-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 050-20W, 60-00N 058-00W,
   60-50N 053-30W, 55-50N 049-30W,
   56-25N 039-25W, 60-50N 040-25W,
   63-55N 034-45W, 64-50N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-15N 060-53W, 48-58N 058-21W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 52-13N 055-38W, 53-51N 054-47W,
      54-23N 053-35W, 55-24N 053-46W,
      56-04N 056-42W, 58-02N 059-18W,
      61-50N 061-30W, 63-32N 057-57W.
   B. 62-25N 040-53W, 60-23N 042-21W,
      59-45N 043-27W, 59-42N 044-01W,
      60-04N 046-39W, 60-09N 046-12W,
      60-10N 045-25W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 30 APR 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 030001Z MAY
   BULLETIN DUE TO PREDICTED DETERIORATION.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 050001Z MAY 21.

130

NAVAREA IV 368/212021-05-04 20:33Z → cancelled 2021-05-06 00:01Z (archive)

North american ice service (nais) iceberg bulletin 050001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 050001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-29N 055-10W, 53-15N 050-05W,
   55-00N 050-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 050-20W, 55-25N 050-40W,
   55-45N 042-20W, 57-25N 039-20W,
   60-50N 040-25W, 63-35N 034-40W,
   65-00N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-07N 058-44W, 50-30N 057-23W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 52-13N 055-38W, 53-51N 054-47W,
      54-23N 053-35W, 55-24N 053-46W,
      56-04N 056-42W, 58-02N 059-18W,
      61-50N 061-30W, 63-32N 057-57W.
   B. 62-25N 040-53W, 60-23N 042-21W,
      59-45N 043-27W, 59-42N 044-01W,
      60-04N 046-39W, 60-09N 046-12W,
      60-10N 045-25W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 04 MAY 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE WESTERN ICEBERG LIMIT SINCE 040001Z MAY
   BULLETIN DUE TO RECENT RECONNAISSANCE.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 060001Z MAY 21.

131

NAVAREA IV 375/212021-05-05 19:50Z → cancelled 2021-05-07 00:01Z (archive)

North american ice service (nais) iceberg bulletin 060001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 060001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-29N 055-10W, 53-10N 049-45W,
   55-00N 050-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 050-20W, 55-25N 050-40W,
   55-45N 042-20W, 57-25N 039-20W,
   60-50N 040-25W, 63-35N 034-40W,
   65-00N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-56N 059-03W, 50-23N 057-26W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 52-13N 055-38W, 53-51N 054-47W,
      54-23N 053-35W, 55-24N 053-46W,
      56-04N 056-42W, 58-01N 059-54W,
      61-32N 062-20W, 63-51N 057-55W.
   B. 62-23N 041-17W, 60-52N 041-42W,
      59-53N 043-05W, 59-38N 044-19W,
      59-42N 044-21W, 59-47N 043-55W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 04 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 070001Z MAY 21.

132

NAVAREA IV 378/212021-05-06 18:45Z → cancelled 2021-05-08 00:01Z (archive)

North american ice service (nais) iceberg bulletin 070001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 070001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-29N 055-10W, 53-00N 049-35W,
   55-00N 050-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 050-20W, 55-25N 050-40W,
   55-45N 042-20W, 57-25N 039-20W,
   60-50N 040-25W, 63-35N 034-40W,
   65-00N 027-40W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-51N 059-12W, 50-10N 057-31W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-20N 055-49W, 54-23N 053-35W,
      55-24N 053-46W, 56-04N 056-42W,
      58-01N 059-54W, 61-32N 062-20W,
      63-51N 057-55W.
   B. 62-25N 041-42W, 61-57N 041-14W,
      61-09N 041-39W, 59-48N 043-19W,
      59-37N 044-46W, 59-40N 044-48W,
      59-49N 044-09W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 05 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 080001Z MAY 21.

133

NAVAREA IV 384/212021-05-07 19:31Z → cancelled 2021-05-09 00:01Z (archive)

North american ice service (nais) iceberg bulletin 080001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 080001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-29N 055-10W, 52-45N 049-40W,
   55-00N 050-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 050-20W, 55-25N 050-40W,
   56-30N 041-45W, 60-50N 040-25W,
   64-00N 033-50W, 64-40N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-45N 059-20W, 50-10N 057-31W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-20N 055-49W, 53-36N 055-19W,
      54-52N 057-19W, 56-06N 056-31W,
      58-01N 059-54W, 61-09N 062-37W,
      63-40N 057-57W.
   B. 62-21N 040-59W, 61-19N 041-31W,
      59-39N 043-50W, 59-42N 045-06W,
      59-53N 044-21W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 05 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 090001Z MAY 21.

134

NAVAREA IV 386/212021-05-08 18:40Z → cancelled 2021-05-10 00:01Z (archive)

North american ice service (nais) iceberg bulletin 090001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 090001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-29N 055-10W, 52-25N 049-40W,
   55-00N 050-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-00N 050-20W, 55-25N 050-40W,
   56-30N 041-45W, 60-50N 040-25W,
   64-00N 033-50W, 64-40N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-38N 059-27W, 50-04N 057-38W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-20N 055-49W, 53-36N 055-19W,
      54-56N 057-09W, 55-36N 055-04W,
      58-01N 060-14W, 61-16N 061-58W,
      63-40N 057-57W.
   B. 62-22N 041-24W, 61-51N 041-14W,
      60-31N 041-38W, 59-50N 043-01W,
      59-49N 043-32W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 05 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 100001Z MAY 21.

135

NAVAREA IV 390/212021-05-09 19:15Z → cancelled 2021-05-11 00:01Z (archive)

North american ice service (nais) iceberg bulletin 100001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 100001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-32W, 52-10N 049-40W,
   55-25N 050-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 050-40W, 56-30N 041-45W,
   60-50N 040-25W, 64-00N 033-50W,
   64-40N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-38N 059-27W, 50-04N 057-38W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-20N 055-49W, 53-36N 055-19W,
      54-53N 057-04W, 54-41N 055-24W,
      55-12N 054-37W, 58-01N 059-54W,
      59-05N 061-20W, 61-16N 060-55W,
      63-21N 057-56W.
   B. 62-22N 041-24W, 61-51N 041-14W,
      60-31N 041-38W, 59-50N 043-01W,
      59-49N 043-32W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 05 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 110001Z MAY 21.

136

NAVAREA IV 393/212021-05-10 19:30Z → cancelled 2021-05-12 00:01Z (archive)

North american ice service (nais) iceberg bulletin 110001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 110001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-32W, 52-00N 049-25W,
   55-25N 050-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 050-40W, 56-30N 041-45W,
   60-50N 040-25W, 64-00N 033-50W,
   64-40N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-38N 059-27W, 50-04N 057-38W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-20N 055-49W, 53-36N 055-19W,
      54-53N 057-04W, 54-41N 055-24W,
      55-12N 054-37W, 58-01N 059-54W,
      59-05N 061-20W, 61-16N 060-55W,
      63-21N 057-56W.
   B. 62-22N 041-24W, 61-51N 041-14W,
      60-31N 041-38W, 59-50N 043-01W,
      59-49N 043-32W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 05 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 120001Z MAY 21.

137

NAVAREA IV 395/212021-05-11 18:52Z → cancelled 2021-05-13 00:01Z (archive)

North american ice service (nais) iceberg bulletin 120001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 120001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-32W, 51-50N 049-25W,
   55-25N 050-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 050-40W, 56-35N 053-15W,
   55-55N 049-50W, 56-30N 045-15W,
   57-45N 044-40W, 58-25N 042-20W,
   61-45N 039-30W, 64-00N 033-50W,
   64-40N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-38N 059-27W, 50-04N 057-38W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-20N 055-49W, 53-36N 055-19W,
      54-53N 057-04W, 54-41N 055-24W,
      55-12N 054-37W, 58-01N 059-54W,
      60-02N 060-30W, 61-04N 061-12W,
      63-21N 057-56W.
   B. 62-25N 041-02W, 60-17N 041-38W,
      59-36N 042-31W, 59-18N 043-09W,
      59-23N 044-06W, 59-40N 044-24W,
      59-48N 044-07W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 05 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 130001Z MAY 21.

138

NAVAREA IV 398/212021-05-12 18:39Z → cancelled 2021-05-14 00:01Z (archive)

North american ice service (nais) iceberg bulletin 130001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 130001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-32W, 51-15N 050-15W,
   51-55N 049-10W, 55-25N 050-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 050-40W, 55-55N 049-50W,
   56-30N 045-15W, 57-45N 044-40W,
   58-25N 042-20W, 61-45N 039-30W,
   64-00N 033-50W, 64-40N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-38N 059-27W, 50-04N 057-38W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-20N 055-49W, 53-36N 055-19W,
      54-07N 056-03W, 54-48N 054-50W,
      58-00N 060-42W, 59-52N 060-07W,
      61-15N 061-44W, 63-24N 057-58W.
   B. 62-25N 040-45W, 62-08N 040-50W,
      59-57N 041-44W, 59-19N 043-09W,
      59-23N 044-06W, 59-40N 044-24W,
      59-48N 044-07W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 05 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 140001Z MAY 21.

139

NAVAREA IV 402/212021-05-13 21:26Z → cancelled 2021-05-15 00:01Z (archive)

North american ice service (nais) iceberg bulletin 140001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 140001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-32W, 50-35N 050-25W,
   51-55N 049-05W, 55-25N 050-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 050-40W, 55-55N 049-50W,
   56-30N 045-15W, 57-45N 044-40W,
   58-25N 042-20W, 61-45N 039-30W,
   64-00N 033-50W, 64-40N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-38N 059-27W, 50-04N 057-38W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-20N 055-49W, 53-46N 055-14W,
      55-34N 056-24W, 58-00N 060-42W,
      59-52N 059-52W, 61-14N 061-18W,
      63-22N 057-57W.
   B. 62-25N 040-45W, 62-08N 040-50W,
      59-57N 041-44W, 59-19N 043-09W,
      59-23N 044-06W, 59-40N 044-24W,
      59-48N 044-07W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 05 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 150001Z MAY 21.

140

NAVAREA IV 409/212021-05-14 21:22Z → cancelled 2021-05-16 00:01Z (archive)

North american ice service (nais) iceberg bulletin 150001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 150001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-34N 056-02W, 50-40N 050-00W,
   51-45N 049-00W, 55-25N 050-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 050-40W, 55-45N 049-00W,
   59-00N 045-55W, 58-45N 043-10W,
   59-15N 041-00W, 61-40N 039-20W,
   64-00N 033-50W, 64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-36N 059-30W, 49-47N 057-49W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-20N 055-49W, 53-34N 055-21W,
      54-53N 057-03W, 55-46N 056-57W,
      58-00N 060-42W, 59-52N 059-52W,
      61-14N 061-18W, 63-22N 057-57W.
   B. 62-25N 041-10W, 62-01N 040-56W,
      59-56N 041-43W, 59-35N 043-56W,
      59-46N 044-40W, 59-52N 044-42W,
      59-52N 044-22W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 13 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 160001Z MAY 21.

141

NAVAREA IV 412/212021-05-15 21:19Z → cancelled 2021-05-17 00:01Z (archive)

North american ice service (nais) iceberg bulletin 160001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 160001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-25N 054-00W, 51-00N 049-10W,
   51-45N 048-55W, 55-25N 050-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 050-40W, 55-45N 049-00W,
   59-00N 045-55W, 58-45N 043-10W,
   59-15N 041-00W, 61-40N 039-20W,
   64-00N 033-50W, 64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-36N 059-30W, 49-41N 057-53W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-38N 056-20W, 53-51N 056-09W,
      54-49N 057-08W, 55-46N 056-57W,
      58-00N 060-42W, 59-55N 059-25W,
      61-14N 061-02W, 63-21N 057-56W.
   B. 62-23N 041-17W, 60-52N 042-08W,
      60-01N 042-42W, 59-32N 044-24W,
      59-46N 045-26W, 59-58N 045-23W,
      60-00N 044-55W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 13 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 170001Z MAY 21.

142

NAVAREA IV 414/212021-05-16 21:31Z → cancelled 2021-05-18 00:01Z (archive)

North american ice service (nais) iceberg bulletin 170001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 170001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-25N 054-00W, 50-45N 049-00W,
   51-40N 048-50W, 55-25N 050-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 050-40W, 55-45N 049-00W,
   59-00N 045-55W, 58-45N 043-10W,
   59-15N 041-00W, 61-40N 039-20W,
   64-00N 033-50W, 64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-36N 059-30W, 49-41N 057-53W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-59N 057-17W, 55-04N 056-33W,
      58-00N 060-42W, 59-52N 059-04W,
      61-13N 060-38W, 63-12N 057-52W.
   B. 62-23N 041-17W, 60-52N 042-08W,
      60-01N 042-42W, 59-32N 044-24W,
      59-46N 045-26W, 59-58N 045-23W,
      60-00N 044-55W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 15 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 180001Z MAY 21.

143

NAVAREA IV 417/212021-05-17 18:57Z → cancelled 2021-05-19 00:01Z (archive)

North american ice service (nais) iceberg bulletin 180001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 180001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-24N 054-00W, 51-45N 050-05W,
   55-25N 050-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 050-40W, 55-45N 049-00W,
   59-00N 045-55W, 58-45N 043-10W,
   59-15N 041-00W, 61-40N 039-20W,
   64-00N 033-50W, 64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-28N 057-23W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-59N 057-17W, 54-47N 056-44W,
      55-18N 057-32W, 55-48N 057-02W,
      58-01N 059-48W, 59-04N 058-48W,
      61-13N 060-38W, 63-12N 057-52W.
   B. 62-23N 041-17W, 60-52N 042-08W,
      60-01N 042-42W, 59-32N 044-24W,
      59-46N 045-26W, 59-58N 045-23W,
      60-00N 044-55W.
6. MOST RECENT RECONNAISSANCE:
   EASTERN LIMIT ICEBERG FLIGHT 16 MAY 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 170001Z MAY
   BULLETIN DUE TO RECENT RECONNAISSANCE.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 190001Z MAY 21.

144

NAVAREA IV 421/212021-05-18 18:56Z → cancelled 2021-05-20 00:01Z (archive)

North american ice service (nais) iceberg bulletin 190001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 190001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-06N 055-48W, 52-45N 052-35W,
   56-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-30W, 59-55N 054-55W,
   60-10N 051-15W, 56-25N 050-30W,
   56-10N 049-30W, 58-40N 044-30W,
   59-30N 040-45W, 64-10N 035-25W,
   64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-28N 057-23W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-59N 057-17W, 54-47N 056-44W,
      55-14N 057-25W, 55-58N 056-47W,
      58-02N 059-29W, 59-04N 058-48W,
      61-13N 060-38W, 63-12N 057-52W.
   B. 62-25N 041-21W, 60-41N 041-54W,
      59-34N 042-59W, 59-36N 045-20W,
      59-53N 045-19W, 60-01N 044-56W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 17 MAY 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 180001Z MAY
   BULLETIN DUE TO RECENT RECONNAISSANCE.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 200001Z MAY 21.

145

NAVAREA IV 424/212021-05-19 19:40Z → cancelled 2021-05-21 00:01Z (archive)

North american ice service (nais) iceberg bulletin 200001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 200001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-06N 055-48W, 53-00N 052-10W,
   56-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-30W, 59-55N 054-55W,
   60-10N 051-15W, 56-25N 050-30W,
   56-10N 049-30W, 58-40N 044-30W,
   59-30N 040-45W, 64-10N 035-25W,
   64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-24N 057-28W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-59N 057-17W, 54-47N 056-44W,
      55-18N 057-12W, 56-04N 056-28W,
      58-02N 059-15W, 59-09N 060-39W,
      60-06N 059-19W, 61-35N 060-47W,
      63-13N 057-53W.
   B. 62-22N 041-36W, 62-08N 040-52W,
      60-26N 041-57W, 59-17N 043-13W,
      59-22N 044-30W, 59-42N 046-39W,
      59-59N 045-42W, 60-01N 044-55W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 17 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 210001Z MAY 21.

146

NAVAREA IV 426/212021-05-20 19:12Z → cancelled 2021-05-22 00:01Z (archive)

North american ice service (nais) iceberg bulletin 210001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 210001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 53-00N 052-10W,
   56-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-30W, 59-55N 054-55W,
   60-10N 051-15W, 56-25N 050-30W,
   56-10N 049-30W, 58-40N 044-30W,
   59-30N 040-45W, 64-10N 035-25W,
   64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-24N 057-28W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-59N 057-17W, 54-47N 056-44W,
      55-18N 057-12W, 56-04N 056-28W,
      58-02N 059-15W, 59-09N 060-39W,
      60-06N 059-19W, 61-35N 060-47W,
      63-13N 057-53W.
   B. 62-22N 041-44W, 62-09N 040-55W,
      60-26N 041-55W, 59-16N 043-37W,
      59-25N 045-12W, 60-04N 047-23W,
      60-11N 046-59W, 60-05N 045-14W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 20 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 220001Z MAY 21.

147

NAVAREA IV 431/212021-05-21 18:35Z → cancelled 2021-05-23 00:01Z (archive)

North american ice service (nais) iceberg bulletin 220001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 220001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 53-00N 052-05W,
   56-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-30W, 60-00N 055-30W,
   58-00N 043-00W, 60-00N 040-30W,
   64-15N 036-20W, 64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-24N 057-28W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-59N 057-17W, 54-47N 056-44W,
      54-49N 054-27W, 58-02N 059-15W,
      58-54N 060-17W, 59-39N 059-02W,
      60-53N 061-32W, 63-12N 057-52W.
   B. 62-25N 041-30W, 61-50N 041-04W,
      60-13N 041-56W, 59-27N 043-44W,
      59-29N 045-30W, 59-42N 046-13W,
      59-59N 046-22W, 60-10N 045-23W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 19 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 230001Z MAY 21.

148

NAVAREA IV 436/212021-05-22 18:38Z → cancelled 2021-05-24 00:01Z (archive)

North american ice service (nais) iceberg bulletin 230001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 230001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 51-10N 055-00W,
   52-35N 052-50W, 56-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-30W, 60-00N 055-30W,
   58-00N 043-00W, 60-00N 040-30W,
   64-15N 036-20W, 64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-16N 057-31W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-59N 057-17W, 54-40N 053-20W,
      58-02N 059-42W, 58-40N 057-33W,
      60-16N 060-03W, 62-37N 057-37W.
   B. 62-25N 041-30W, 61-50N 041-04W,
      60-13N 041-56W, 59-27N 043-44W,
      59-29N 045-30W, 59-42N 046-13W,
      59-59N 046-22W, 60-10N 045-23W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 19 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 240001Z MAY 21.

149

NAVAREA IV 437/212021-05-23 18:40Z → cancelled 2021-05-25 00:01Z (archive)

North american ice service (nais) iceberg bulletin 240001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 240001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 51-10N 055-00W,
   52-35N 052-50W, 56-00N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-30W, 60-00N 055-30W,
   58-00N 043-00W, 60-00N 040-30W,
   64-15N 036-20W, 64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-16N 057-31W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-28N 057-25W, 54-01N 054-17W,
      54-59N 053-26W, 58-02N 059-42W,
      58-40N 057-33W, 60-16N 060-03W,
      62-37N 057-37W.
   B. 62-25N 041-46W, 61-43N 041-21W,
      59-19N 042-42W, 59-00N 043-10W,
      59-22N 045-14W, 59-59N 044-52W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 19 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 250001Z MAY 21.

150

NAVAREA IV 438/212021-05-24 19:07Z → cancelled 2021-05-26 00:01Z (archive)

North american ice service (nais) iceberg bulletin 250001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 250001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 51-15N 054-35W,
   54-35N 052-40W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 60-00N 055-30W,
   58-00N 043-00W, 60-00N 040-30W,
   64-15N 036-20W, 64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-00N 057-43W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-28N 057-25W, 54-01N 054-17W,
      54-59N 053-26W, 58-02N 059-42W,
      58-40N 057-33W, 60-16N 060-03W,
      62-37N 057-37W.
   B. 62-25N 041-46W, 61-43N 041-21W,
      59-19N 042-42W, 59-00N 043-10W,
      59-22N 045-14W, 59-59N 044-52W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 19 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 260001Z MAY 21.

151

NAVAREA IV 440/212021-05-25 18:52Z → cancelled 2021-05-27 00:01Z (archive)

North american ice service (nais) iceberg bulletin 260001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 260001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 51-15N 054-35W,
   55-00N 051-55W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-00W,
   59-45N 051-15W, 58-00N 044-50W,
   58-50N 041-25W, 63-55N 036-00W,
   64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-00N 057-43W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-28N 057-25W, 54-01N 054-17W,
      54-38N 053-53W, 57-00N 060-02W,
      58-02N 059-42W, 58-40N 057-33W,
      60-16N 060-03W, 62-37N 057-37W.
   B. 62-25N 041-46W, 60-53N 042-21W,
      59-49N 043-05W, 59-20N 045-20W,
      59-33N 046-50W, 59-54N 047-02W,
      60-07N 046-29W, 60-07N 045-19W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 19 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 270001Z MAY 21.

152

NAVAREA IV 446/212021-05-26 18:58Z → cancelled 2021-05-28 00:01Z (archive)

North american ice service (nais) iceberg bulletin 270001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 270001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 51-15N 054-35W,
   55-00N 051-55W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-00W,
   59-45N 051-15W, 58-00N 044-50W,
   58-50N 041-25W, 63-55N 036-00W,
   64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-00N 057-43W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-25N 057-32W, 53-59N 056-13W,
      54-36N 055-20W, 57-00N 060-02W,
      58-02N 059-42W, 58-40N 057-33W,
      60-16N 060-03W, 62-37N 057-37W.
   B. 62-25N 041-46W, 60-53N 042-21W,
      59-49N 043-05W, 59-20N 045-20W,
      59-33N 046-50W, 59-54N 047-02W,
      60-07N 046-29W, 60-07N 045-19W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 19 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 280001Z MAY 21.

153

NAVAREA IV 453/212021-05-27 19:14Z → cancelled 2021-05-29 00:01Z (archive)

North american ice service (nais) iceberg bulletin 280001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 280001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 51-15N 054-35W,
   54-35N 052-00W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-00W,
   59-45N 051-15W, 58-00N 044-50W,
   58-50N 041-25W, 63-55N 036-00W,
   64-45N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-00N 057-43W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-45N 056-41W, 54-36N 055-20W,
      56-43N 059-52W, 58-02N 059-42W,
      61-28N 058-47W, 62-37N 057-36W.
   B. 62-22N 041-40W, 61-27N 041-51W,
      59-35N 042-43W, 59-26N 044-02W,
      59-31N 046-05W, 60-08N 048-09W,
      60-32N 048-25W, 60-36N 046-12W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 19 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 290001Z MAY 21.

154

NAVAREA IV 455/212021-05-28 18:51Z → cancelled 2021-05-30 00:01Z (archive)

North american ice service (nais) iceberg bulletin 290001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 290001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 51-15N 054-35W,
   53-20N 052-45W, 54-45N 051-50W,
   56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   59-50N 050-55W, 58-10N 044-25W,
   59-15N 041-10W, 63-45N 036-45W,
   64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-00N 057-43W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-50N 057-05W, 54-35N 055-09W,
      56-17N 059-13W, 58-01N 060-08W,
      60-22N 060-34W, 63-01N 057-47W.
   B. 62-23N 041-43W, 62-11N 041-26W,
      61-00N 042-16W, 59-23N 043-27W,
      59-19N 045-30W, 60-07N 048-19W,
      60-37N 049-23W, 60-40N 048-54W,
      60-33N 045-59W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 19 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 300001Z MAY 21.

155

NAVAREA IV 456/212021-05-29 18:34Z → cancelled 2021-05-31 00:01Z (archive)

North american ice service (nais) iceberg bulletin 300001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 300001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-10W, 51-15N 054-35W,
   53-15N 052-55W, 55-00N 052-25W,
   56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   59-50N 050-55W, 58-10N 044-25W,
   59-15N 041-10W, 63-45N 036-45W,
   64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-32N 056-50W, 51-21N 056-36W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-50N 057-05W, 54-35N 055-09W,
      56-17N 059-13W, 58-01N 060-08W,
      60-22N 060-34W, 62-47N 057-41W.
   B. 62-23N 041-43W, 62-11N 041-26W,
      61-00N 042-16W, 59-23N 043-27W,
      59-19N 045-30W, 60-07N 048-19W,
      60-37N 049-23W, 60-40N 048-54W,
      60-33N 045-59W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 28 MAY 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 290001Z MAY
   BULLETIN DUE TO RECENT RECONNAISSANCE.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 310001Z MAY 21.

156

NAVAREA IV 460/212021-05-30 18:37Z → cancelled 2021-06-01 00:01Z (archive)

North american ice service (nais) iceberg bulletin 310001Z may

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 310001Z MAY.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-08N 055-45W, 51-15N 055-00W,
   53-15N 052-55W, 55-00N 052-25W,
   56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   59-50N 050-55W, 58-10N 044-25W,
   59-15N 041-10W, 63-45N 036-45W,
   64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-29N 056-58W, 51-17N 056-40W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-32N 057-16W, 54-57N 056-57W,
      56-56N 060-06W, 58-01N 060-08W,
      60-22N 060-34W, 62-47N 057-41W.
   B. 62-25N 041-30W, 61-58N 041-05W,
      59-58N 042-49W, 59-32N 044-46W,
      59-38N 046-03W, 60-11N 048-06W,
      60-35N 046-27W, 60-40N 046-23W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 28 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 010001Z JUN 21.

157

NAVAREA IV 461/212021-05-31 18:52Z → cancelled 2021-06-02 00:01Z (archive)

North american ice service (nais) iceberg bulletin 010001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 010001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-08N 055-45W, 51-15N 055-00W,
   53-15N 052-20W, 55-00N 052-15W,
   56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   59-50N 050-55W, 58-10N 044-25W,
   59-15N 041-10W, 63-45N 036-45W,
   64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-29N 057-24W, 50-58N 056-56W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-32N 057-16W, 55-04N 056-50W,
      57-00N 059-42W, 58-01N 060-08W,
      60-22N 060-34W, 62-47N 057-41W.
   B. 62-25N 041-30W, 61-58N 041-05W,
      59-58N 042-49W, 59-32N 044-46W,
      59-38N 046-03W, 60-11N 048-06W,
      60-35N 046-27W, 60-40N 046-23W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 28 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 020001Z JUN 21.

158

NAVAREA IV 463/212021-06-01 18:41Z → cancelled 2021-06-03 00:01Z (archive)

North american ice service (nais) iceberg bulletin 020001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 020001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-08N 055-45W, 51-50N 053-35W,
   54-25N 052-05W, 55-00N 052-15W,
   56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   59-50N 050-55W, 58-20N 044-55W,
   59-00N 041-45W, 62-50N 038-20W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-28N 057-48W, 50-47N 057-03W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-26N 057-31W, 54-07N 056-24W,
      55-01N 055-43W, 57-03N 059-28W,
      58-01N 059-54W, 58-39N 059-23W,
      61-01N 059-51W, 62-47N 057-41W.
   B. 62-23N 041-18W, 62-02N 040-55W,
      60-58N 041-37W, 59-08N 043-10W,
      59-25N 046-37W, 59-54N 046-23W,
      60-14N 045-56W, 60-22N 045-33W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 28 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 030001Z JUN 21.

159

NAVAREA IV 465/212021-06-02 18:50Z → cancelled 2021-06-04 00:01Z (archive)

North american ice service (nais) iceberg bulletin 030001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 030001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-08N 055-45W, 51-30N 053-40W,
   54-00N 052-25W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   59-50N 050-55W, 58-20N 044-55W,
   59-00N 041-45W, 62-50N 038-20W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-19N 057-59W, 50-43N 057-17W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-23N 057-36W, 53-58N 056-31W,
      54-04N 055-56W, 55-39N 056-33W,
      56-43N 059-14W, 58-01N 059-54W,
      58-39N 059-23W, 61-01N 059-51W,
      62-47N 057-41W.
   B. 62-25N 041-09W, 60-35N 041-46W,
      59-22N 042-43W, 59-02N 043-35W,
      59-40N 046-25W, 59-58N 046-52W,
      60-20N 045-41W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT ICEBERG FLIGHT 28 MAY 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 040001Z JUN 21.

160

NAVAREA IV 469/212021-06-03 18:54Z → cancelled 2021-06-05 00:01Z (archive)

North american ice service (nais) iceberg bulletin 040001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 040001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-53N 056-00W, 50-55N 054-00W,
   54-00N 052-25W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   59-50N 050-55W, 58-20N 044-55W,
   59-00N 041-45W, 62-50N 038-20W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-26N 057-00W, 51-15N 056-41W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-23N 057-44W, 53-52N 056-28W,
      54-04N 055-56W, 55-39N 056-33W,
      56-43N 059-14W, 58-01N 059-54W,
      58-16N 058-42W, 60-40N 060-12W,
      62-47N 057-41W.
   B. 62-25N 041-09W, 60-35N 041-46W,
      59-22N 042-43W, 59-02N 043-35W,
      59-40N 046-25W, 59-58N 046-52W,
      60-20N 045-41W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 02 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 050001Z JUN 21.

161

NAVAREA IV 472/212021-06-04 19:09Z → cancelled 2021-06-06 00:01Z (archive)

North american ice service (nais) iceberg bulletin 050001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 050001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-00N 055-53W, 51-00N 054-05W,
   54-10N 052-10W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   60-05N 051-10W, 58-30N 045-55W,
   58-15N 042-40W, 63-00N 038-15W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-25N 057-10W, 51-06N 056-50W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-23N 057-44W, 53-52N 056-28W,
      54-04N 055-56W, 55-39N 056-33W,
      56-43N 059-14W, 58-02N 059-15W,
      58-21N 058-46W, 60-40N 060-12W,
      62-47N 057-41W.
   B. 62-22N 041-28W, 61-51N 041-05W,
      60-07N 042-36W, 59-28N 043-44W,
      59-09N 044-51W, 60-05N 047-47W,
      60-17N 047-27W, 60-11N 045-25W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 02 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 060001Z JUN 21.

162

NAVAREA IV 475/212021-06-05 19:19Z → cancelled 2021-06-07 00:01Z (archive)

North american ice service (nais) iceberg bulletin 060001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 060001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-50N 056-00W, 50-45N 054-00W,
   54-10N 052-10W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   60-05N 051-10W, 58-30N 045-55W,
   58-15N 042-40W, 63-00N 038-15W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-32W, 50-57N 056-59W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-07N 057-23W, 54-01N 056-38W,
      54-35N 055-48W, 55-36N 056-39W,
      56-34N 059-08W, 58-01N 059-47W,
      61-34N 059-57W, 62-52N 057-43W.
   B. 62-22N 041-28W, 61-51N 041-05W,
      60-07N 042-36W, 59-28N 043-44W,
      59-09N 044-51W, 60-05N 047-47W,
      60-17N 047-27W, 60-11N 045-25W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 02 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 070001Z JUN 21.

163

NAVAREA IV 477/212021-06-06 19:18Z → cancelled 2021-06-08 00:01Z (archive)

North american ice service (nais) iceberg bulletin 070001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 070001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-50N 056-00W, 50-45N 054-00W,
   54-10N 052-10W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   60-05N 051-10W, 58-30N 045-55W,
   58-15N 042-40W, 63-00N 038-15W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-22N 057-57W, 50-46N 057-03W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-26N 057-31W, 54-19N 056-39W,
      54-44N 056-03W, 55-47N 056-50W,
      56-31N 059-14W, 58-01N 059-47W,
      61-34N 059-57W, 62-52N 057-43W.
   B. 62-22N 041-28W, 61-51N 041-05W,
      60-07N 042-36W, 59-28N 043-44W,
      59-09N 044-51W, 60-05N 047-47W,
      60-17N 047-27W, 60-11N 045-25W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 02 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 080001Z JUN 21.

164

NAVAREA IV 479/212021-06-07 19:17Z → cancelled 2021-06-09 00:01Z (archive)

North american ice service (nais) iceberg bulletin 080001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 080001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-50N 056-00W, 50-45N 054-00W,
   54-10N 052-10W, 56-00N 053-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-15W, 59-15N 055-05W,
   60-05N 051-10W, 58-30N 045-55W,
   58-15N 042-40W, 63-00N 038-15W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-20N 058-00W, 50-42N 057-14W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-26N 057-31W, 54-19N 056-39W,
      54-44N 056-03W, 55-47N 056-50W,
      56-31N 059-14W, 58-00N 060-44W,
      61-34N 059-57W, 62-52N 057-43W.
   B. 62-25N 041-46W, 62-19N 041-41W,
      61-36N 041-48W, 60-06N 042-42W,
      59-59N 042-56W, 59-22N 044-32W,
      59-59N 046-27W, 60-16N 046-32W,
      60-22N 046-13W, 60-12N 045-23W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 02 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 090001Z JUN 21.

165

NAVAREA IV 482/212021-06-08 19:01Z → cancelled 2021-06-10 00:01Z (archive)

North american ice service (nais) iceberg bulletin 090001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 090001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-33N 056-19W, 50-40N 053-55W,
   54-10N 052-10W, 56-00N 054-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 054-00W, 59-15N 055-05W,
   59-55N 051-20W, 58-15N 048-40W,
   57-15N 046-30W, 58-30N 044-50W,
   59-20N 041-25W, 63-35N 037-15W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-18N 058-10W, 50-35N 057-18W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-26N 057-31W, 54-19N 056-39W,
      54-44N 056-03W, 55-47N 056-50W,
      56-31N 059-14W, 58-00N 060-44W,
      61-34N 059-57W, 62-52N 057-43W.
   B. 62-25N 041-36W, 61-32N 041-46W,
      59-49N 043-15W, 59-40N 044-48W,
      59-59N 045-35W, 60-08N 045-36W,
      60-06N 045-06W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY ICEBERG FLIGHT 02 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 100001Z JUN 21.

166

NAVAREA IV 485/212021-06-09 19:29Z → cancelled 2021-06-11 00:01Z (archive)

North american ice service (nais) iceberg bulletin 100001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 100001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-33N 056-19W, 50-20N 054-00W,
   51-40N 053-05W, 54-10N 052-10W,
   56-00N 054-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 054-00W, 59-15N 055-05W,
   59-55N 051-20W, 58-15N 048-40W,
   57-15N 046-30W, 58-30N 044-50W,
   59-20N 041-25W, 63-35N 037-15W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-28N 057-31W, 50-52N 056-58W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-26N 057-31W, 54-19N 056-39W,
      54-42N 056-07W, 55-39N 056-21W,
      56-36N 059-49W, 59-11N 063-00W,
      59-36N 061-54W, 59-57N 060-16W,
      61-35N 061-12W, 63-31N 057-58W.
   B. 62-25N 041-49W, 61-03N 041-59W,
      59-37N 043-34W, 59-36N 045-16W,
      59-52N 045-50W, 60-09N 045-24W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 05 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 110001Z JUN 21.

167

NAVAREA IV 487/212021-06-10 18:37Z → cancelled 2021-06-12 00:01Z (archive)

North american ice service (nais) iceberg bulletin 110001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 110001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-18N 056-29W, 50-10N 054-00W,
   51-30N 052-35W, 54-10N 052-10W,
   56-00N 054-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 054-00W, 59-15N 055-05W,
   59-55N 051-20W, 58-15N 048-40W,
   57-15N 046-30W, 58-30N 044-50W,
   59-20N 041-25W, 63-35N 037-15W,
   63-35N 033-50W, 64-45N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-27N 057-47W, 50-43N 057-17W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-47N 056-27W, 54-18N 055-58W,
      55-24N 056-09W, 56-04N 059-15W,
      59-01N 062-34W, 59-06N 061-31W,
      59-36N 059-58W, 62-00N 060-26W,
      63-30N 057-58W.
   B. 62-25N 041-49W, 61-03N 041-59W,
      59-37N 043-34W, 59-36N 045-16W,
      59-52N 045-50W, 60-09N 045-24W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT GENERAL FLIGHT 05 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 120001Z JUN 21.

168

NAVAREA IV 491/212021-06-11 18:42Z → cancelled 2021-06-13 00:01Z (archive)

North american ice service (nais) iceberg bulletin 120001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 120001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-32W, 50-00N 054-00W,
   51-15N 052-30W, 54-25N 052-00W,
   56-00N 053-35W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-35W, 59-00N 058-00W,
   61-30N 058-00W, 57-30N 051-00W,
   57-20N 044-00W, 60-00N 040-00W,
   64-30N 036-30W, 65-30N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-18N 058-10W, 50-34N 057-21W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-49N 057-04W, 54-09N 056-19W,
      54-49N 056-16W, 55-49N 059-27W,
      58-44N 062-07W, 58-42N 061-14W,
      58-58N 059-31W, 62-00N 060-59W,
      63-34N 057-57W.
   B. 62-25N 041-30W, 59-59N 042-37W,
      59-26N 043-36W, 59-21N 043-58W,
      59-26N 045-36W, 59-41N 046-06W,
      59-53N 046-14W, 60-21N 045-22W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 10 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 130001Z JUN 21.

169

NAVAREA IV 495/212021-06-12 18:34Z → cancelled 2021-06-14 00:01Z (archive)

North american ice service (nais) iceberg bulletin 130001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 130001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-32W, 50-00N 053-50W,
   51-05N 052-35W, 54-35N 052-00W,
   56-00N 053-35W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-35W, 59-00N 058-00W,
   61-30N 058-00W, 57-30N 051-00W,
   57-20N 044-00W, 60-00N 040-00W,
   64-30N 036-30W, 65-30N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-18N 058-10W, 50-34N 057-21W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 53-49N 057-04W, 54-09N 056-19W,
      54-59N 056-46W, 55-42N 060-22W.
   B. 58-29N 062-34W, 58-42N 061-14W,
      58-58N 059-31W, 61-23N 061-03W,
      63-30N 057-58W.
   C. 62-25N 041-30W, 59-59N 042-37W,
      59-26N 043-36W, 59-21N 043-58W,
      59-26N 045-36W, 59-41N 046-06W,
      59-53N 046-14W, 60-21N 045-22W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 10 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 140001Z JUN 21.

170

NAVAREA IV 497/212021-06-13 18:34Z → cancelled 2021-06-15 00:01Z (archive)

North american ice service (nais) iceberg bulletin 140001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 140001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-32W, 50-00N 053-45W,
   51-05N 052-30W, 55-00N 052-10W,
   56-00N 053-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 053-20W, 59-00N 058-00W,
   61-30N 058-00W, 57-30N 051-00W,
   57-20N 044-00W, 60-00N 040-00W,
   64-30N 036-30W, 65-30N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-18N 058-10W, 50-34N 057-21W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-00N 057-17W, 54-22N 056-27W,
      55-02N 056-51W, 55-14N 059-08W.
   B. 58-29N 062-34W, 58-42N 061-14W,
      58-34N 059-27W, 61-23N 061-03W,
      63-30N 057-58W.
   C. 62-23N 041-30W, 61-44N 041-40W,
      60-33N 042-16W, 59-32N 042-56W,
      59-25N 045-30W, 59-53N 046-44W,
      60-10N 045-46W, 60-24N 045-42W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 12 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 150001Z JUN 21.

171

NAVAREA IV 498/212021-06-14 18:56Z → cancelled 2021-06-16 00:01Z (archive)

North american ice service (nais) iceberg bulletin 150001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 150001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-50N 055-47W, 50-00N 053-45W,
   51-05N 052-30W, 55-40N 052-00W,
   56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 058-00W, 57-30N 051-00W,
   57-20N 044-00W, 60-00N 040-00W,
   64-30N 036-30W, 65-30N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-18N 058-10W, 50-34N 057-21W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-08N 057-21W, 54-22N 056-04W,
      55-14N 056-47W, 55-14N 059-08W.
   B. 58-19N 062-37W, 58-06N 060-49W,
      58-11N 059-14W, 61-23N 061-03W,
      63-30N 057-58W.
   C. 62-25N 041-13W, 61-08N 041-40W,
      59-59N 042-24W, 59-31N 043-20W,
      59-26N 045-18W, 59-52N 047-10W,
      59-55N 047-17W, 60-13N 045-39W,
      60-06N 045-07W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 12 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 160001Z JUN 21.

172

NAVAREA IV 500/212021-06-15 19:34Z → cancelled 2021-06-17 00:01Z (archive)

North american ice service (nais) iceberg bulletin 160001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 160001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-50N 055-47W, 50-00N 053-45W,
   51-05N 052-30W, 55-40N 052-00W,
   56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 058-05W, 58-50N 048-40W,
   58-15N 048-15W, 58-00N 043-40W,
   59-30N 041-20W, 64-30N 036-30W,
   65-30N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-24N 057-54W, 50-43N 057-10W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-08N 057-21W, 54-29N 055-25W,
      55-14N 056-47W, 55-08N 058-58W.
   B. 58-14N 062-35W, 57-37N 060-00W,
      58-02N 059-09W, 58-25N 058-42W,
      61-23N 061-03W, 63-30N 057-58W.
   C. 62-25N 041-13W, 61-08N 041-40W,
      59-59N 042-24W, 59-31N 043-20W,
      59-26N 045-18W, 59-52N 047-10W,
      59-55N 047-17W, 60-13N 045-39W,
      60-06N 045-07W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 12 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 170001Z JUN 21.

173

NAVAREA IV 504/212021-06-16 18:57Z → cancelled 2021-06-18 00:01Z (archive)

North american ice service (nais) iceberg bulletin 170001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 170001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-50N 055-47W, 50-00N 053-45W,
   51-05N 052-30W, 55-00N 051-50W,
   56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 058-05W, 58-50N 048-40W,
   58-15N 048-15W, 58-00N 043-40W,
   59-30N 041-20W, 64-30N 036-30W,
   65-30N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-16N 058-11W, 50-43N 057-23W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-23N 057-36W, 54-26N 055-03W,
      55-14N 056-33W, 55-08N 058-58W.
   B. 57-38N 061-54W, 57-29N 060-33W,
      58-02N 059-39W, 58-25N 059-04W,
      60-24N 060-18W, 60-58N 061-58W,
      61-35N 062-03W, 61-40N 060-55W,
      63-52N 057-55W.
   C. 62-25N 041-09W, 60-54N 041-35W,
      59-40N 042-51W, 59-20N 043-37W,
      59-28N 045-48W, 60-06N 046-41W,
      60-23N 045-51W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 12 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 180001Z JUN 21.

174

NAVAREA IV 506/212021-06-17 18:48Z → cancelled 2021-06-19 00:01Z (archive)

North american ice service (nais) iceberg bulletin 180001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 180001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-50N 055-47W, 50-10N 054-00W,
   54-50N 052-00W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 058-05W, 58-50N 048-40W,
   58-15N 048-15W, 58-00N 043-40W,
   59-30N 041-20W, 64-30N 036-30W,
   65-30N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-17N 058-30W, 50-29N 057-27W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-23N 057-36W, 54-15N 056-15W,
      55-15N 057-32W, 55-08N 058-58W.
   B. 57-38N 061-54W, 58-02N 059-39W,
      58-25N 059-04W, 60-24N 060-18W,
      60-58N 061-58W, 61-35N 062-03W,
      61-40N 060-55W, 63-52N 057-55W.
   C. 62-25N 041-09W, 60-54N 041-35W,
      59-40N 042-51W, 59-20N 043-37W,
      59-28N 045-48W, 60-06N 046-41W,
      60-23N 045-51W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 12 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 190001Z JUN 21.

175

NAVAREA IV 509/212021-06-18 19:32Z → cancelled 2021-06-20 00:01Z (archive)

North american ice service (nais) iceberg bulletin 190001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 190001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-11N 056-37W, 50-20N 053-55W,
   52-10N 053-00W, 54-50N 052-00W,
   56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 058-05W, 58-50N 047-15W,
   58-30N 042-35W, 63-50N 037-25W,
   63-50N 034-50W, 64-45N 032-30W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-10N 058-38W, 50-29N 057-27W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-23N 057-36W, 54-15N 056-15W,
      55-15N 057-32W, 55-08N 058-58W.
   B. 58-10N 062-27W, 58-06N 060-49W,
      58-25N 059-04W, 60-24N 060-18W,
      60-58N 061-58W, 61-35N 062-03W,
      61-40N 060-55W, 63-27N 057-58W.
   C. 62-25N 041-17W, 62-08N 040-43W,
      60-19N 041-51W, 59-01N 042-59W,
      59-33N 046-29W, 60-17N 046-56W,
      60-23N 046-18W, 59-51N 044-20W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 12 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 200001Z JUN 21.

176

NAVAREA IV 513/212021-06-19 18:58Z → cancelled 2021-06-21 00:01Z (archive)

North american ice service (nais) iceberg bulletin 200001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 200001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-00N 055-55W, 50-20N 053-55W,
   52-00N 052-50W, 54-50N 051-50W,
   56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 058-05W, 58-50N 047-15W,
   58-30N 042-35W, 63-50N 037-25W,
   63-50N 034-50W, 64-45N 032-30W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-10N 058-38W, 50-29N 057-27W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-35N 057-21W, 54-42N 056-28W,
      55-15N 057-32W, 55-04N 058-57W.
   B. 58-28N 062-33W, 58-23N 061-00W,
      58-25N 059-04W, 60-24N 060-18W,
      60-58N 061-58W, 61-35N 062-03W,
      61-40N 060-55W, 63-27N 057-58W.
   C. 62-25N 041-17W, 62-08N 040-43W,
      60-19N 041-51W, 59-01N 042-59W,
      59-33N 046-29W, 60-17N 046-56W,
      60-23N 046-18W, 59-51N 044-20W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 12 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 210001Z JUN 21.

177

NAVAREA IV 516/212021-06-20 18:45Z → cancelled 2021-06-22 00:01Z (archive)

North american ice service (nais) iceberg bulletin 210001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 210001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-00N 055-55W, 50-05N 054-00W,
   52-00N 052-50W, 54-50N 051-35W,
   56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 058-05W, 58-50N 047-15W,
   58-30N 042-35W, 63-50N 037-25W,
   63-50N 034-50W, 64-45N 032-30W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-10N 058-38W, 50-29N 057-27W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 58-29N 062-33W, 58-23N 061-01W,
      58-25N 059-04W, 60-24N 060-18W,
      61-13N 060-11W, 61-53N 062-01W,
      63-49N 057-55W.
   B. 62-25N 040-48W, 59-59N 041-46W,
      59-47N 042-14W, 59-41N 043-52W,
      59-59N 046-11W, 60-11N 046-21W,
      60-27N 045-58W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 12 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 220001Z JUN 21.

178

NAVAREA IV 518/212021-06-21 18:51Z → cancelled 2021-06-23 00:01Z (archive)

North american ice service (nais) iceberg bulletin 220001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 220001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-00N 055-55W, 50-05N 054-00W,
   52-00N 052-50W, 54-50N 051-35W,
   56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 058-05W, 58-50N 047-15W,
   58-30N 042-35W, 63-50N 037-25W,
   63-50N 034-50W, 64-45N 032-30W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-10N 058-38W, 50-29N 057-27W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 58-29N 062-33W, 58-23N 061-01W,
      59-09N 059-58W, 61-09N 061-04W,
      61-39N 063-19W, 62-27N 061-41W,
      63-51N 057-55W.
   B. 62-25N 040-07W, 62-25N 040-06W,
      61-18N 040-44W, 59-56N 041-37W,
      59-33N 042-26W, 60-02N 045-04W,
      60-04N 045-03W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR GENERAL FLIGHT 12 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 230001Z JUN 21.

179

NAVAREA IV 519/212021-06-22 19:48Z → cancelled 2021-06-24 00:01Z (archive)

North american ice service (nais) iceberg bulletin 230001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 230001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-00N 055-55W, 50-05N 054-00W,
   52-00N 052-50W, 54-45N 051-35W,
   56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 059-30W, 60-10N 054-40W,
   57-50N 047-20W, 59-20N 041-00W,
   63-50N 037-00W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-10N 058-38W, 50-29N 057-27W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 59-40N 063-59W, 60-18N 062-27W,
      60-33N 062-18W, 61-39N 063-19W,
      62-27N 061-41W, 63-51N 057-55W.
   B. 62-25N 040-07W, 62-25N 040-06W,
      61-18N 040-44W, 59-56N 041-37W,
      59-33N 042-26W, 60-02N 045-04W,
      60-04N 045-03W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 21 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 240001Z JUN 21.

180

NAVAREA IV 522/212021-06-23 18:56Z → cancelled 2021-06-25 00:01Z (archive)

North american ice service (nais) iceberg bulletin 240001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 240001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-52N 055-41W, 50-05N 053-20W,
   54-45N 051-10W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 059-30W, 60-10N 054-40W,
   57-50N 047-20W, 59-20N 041-00W,
   63-50N 037-00W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-08N 058-44W, 50-21N 057-28W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-19N 064-25W, 60-45N 062-47W,
      60-48N 062-33W, 62-57N 063-43W,
      63-47N 059-39W, 64-29N 057-51W.
   B. 62-25N 040-07W, 62-25N 040-06W,
      61-18N 040-44W, 59-56N 041-37W,
      59-33N 042-26W, 60-02N 045-04W,
      60-04N 045-03W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT GENERAL FLIGHT 22 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 250001Z JUN 21.

181

NAVAREA IV 526/212021-06-24 21:28Z → cancelled 2021-06-26 00:01Z (archive)

North american ice service (nais) iceberg bulletin 250001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 250001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-52N 055-41W, 50-05N 053-20W,
   54-55N 050-55W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 059-30W, 60-10N 054-40W,
   57-50N 047-20W, 59-20N 041-00W,
   63-50N 037-00W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-06N 058-46W, 50-17N 057-29W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-19N 064-25W, 60-45N 062-47W,
      62-22N 063-49W, 63-16N 063-43W,
      64-50N 057-48W.
   B. 62-25N 040-14W, 62-20N 040-00W,
      62-10N 040-04W, 59-14N 042-57W,
      59-39N 044-36W, 59-52N 044-46W,
      59-58N 044-46W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT GENERAL FLIGHT 22 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 260001Z JUN 21.

182

NAVAREA IV 531/212021-06-25 21:08Z → cancelled 2021-06-27 00:01Z (archive)

North american ice service (nais) iceberg bulletin 260001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 260001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-34W, 50-40N 052-55W,
   54-25N 050-50W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 059-30W, 58-30N 048-30W,
   58-45N 043-00W, 59-20N 041-00W,
   63-50N 037-00W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-06N 058-46W, 50-17N 057-29W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-26N 064-34W, 60-55N 063-21W,
      61-39N 063-38W, 64-08N 062-32W,
      64-43N 057-49W.
   B. 62-25N 040-14W, 62-20N 040-00W,
      62-10N 040-04W, 59-14N 042-57W,
      59-39N 044-36W, 59-52N 044-46W,
      59-58N 044-46W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT GENERAL FLIGHT 22 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 270001Z JUN 21.

183

NAVAREA IV 535/212021-06-26 21:19Z → cancelled 2021-06-28 00:01Z (archive)

North american ice service (nais) iceberg bulletin 270001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 270001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-34W, 50-30N 053-00W,
   54-20N 050-35W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 059-30W, 58-30N 048-30W,
   58-45N 043-00W, 59-20N 041-00W,
   63-50N 037-00W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-06N 058-46W, 50-17N 057-29W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-26N 064-34W, 60-55N 063-21W,
      61-39N 063-38W, 64-08N 062-32W,
      64-43N 057-49W.
   B. 62-25N 040-36W, 62-08N 040-01W,
      59-31N 041-51W, 59-09N 043-07W,
      59-10N 044-32W, 59-43N 045-15W,
      60-07N 045-10W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT GENERAL FLIGHT 22 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 280001Z JUN 21.

184

NAVAREA IV 536/212021-06-27 21:17Z → cancelled 2021-06-29 00:01Z (archive)

North american ice service (nais) iceberg bulletin 280001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 280001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-34W, 50-30N 053-00W,
   54-00N 050-25W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-30N 059-30W, 58-30N 048-30W,
   58-45N 043-00W, 59-20N 041-00W,
   63-50N 037-00W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-17N 058-31W, 50-30N 057-26W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-26N 064-34W, 61-39N 063-38W,
      64-08N 062-32W, 64-16N 057-52W.
   B. 62-25N 040-36W, 62-08N 040-01W,
      59-31N 041-51W, 59-09N 043-07W,
      59-10N 044-32W, 59-43N 045-15W,
      60-07N 045-10W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT GENERAL FLIGHT 22 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 290001Z JUN 21.

185

NAVAREA IV 538/212021-06-28 19:00Z → cancelled 2021-06-30 00:01Z (archive)

North american ice service (nais) iceberg bulletin 290001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 290001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-34W, 50-20N 053-10W,
   53-50N 050-05W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 057-45W,
   61-30N 059-30W, 58-30N 048-30W,
   58-45N 043-00W, 59-20N 041-00W,
   63-50N 037-00W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-17N 058-31W, 50-30N 057-26W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-24N 064-28W, 60-39N 063-35W,
      61-39N 063-38W, 64-08N 062-38W,
      64-05N 057-54W.
   B. 62-25N 040-25W, 62-04N 039-56W,
      59-23N 041-54W, 59-05N 043-26W,
      59-18N 045-06W, 59-51N 045-40W,
      60-07N 045-19W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT GENERAL FLIGHT 22 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 300001Z JUN 21.

186

NAVAREA IV 539/212021-06-29 19:01Z → cancelled 2021-07-01 00:01Z (archive)

North american ice service (nais) iceberg bulletin 300001Z jun

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 300001Z JUN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-57N 055-34W, 50-00N 054-30W,
   53-30N 050-00W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 057-40W,
   61-30N 059-30W, 62-20N 057-40W,
   58-30N 048-30W, 58-45N 041-30W,
   63-20N 037-30W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-17N 058-31W, 50-30N 057-26W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-00N 064-10W, 60-28N 062-34W,
      61-39N 063-38W.
   B. 60-28N 062-34W, 62-00N 063-30W,
      64-17N 063-25W, 63-48N 057-56W.
   C. 62-25N 040-25W, 62-04N 039-56W,
      59-23N 041-54W, 59-05N 043-26W,
      59-18N 045-06W, 59-51N 045-40W,
      60-07N 045-19W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT GENERAL FLIGHT 22 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 010001Z JUL 21.

187

NAVAREA IV 542/212021-06-30 18:48Z → cancelled 2021-07-02 00:01Z (archive)

North american ice service (nais) iceberg bulletin 010001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 010001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-53N 055-35W, 50-00N 054-30W,
   53-10N 050-00W, 53-50N 050-00W,
   56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 057-35W,
   61-30N 059-25W, 62-20N 057-40W,
   58-30N 048-30W, 58-45N 041-30W,
   63-20N 037-30W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-17N 058-31W, 50-30N 057-26W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 59-52N 064-03W, 60-19N 062-27W,
      62-00N 063-30W, 64-17N 063-25W,
      63-29N 057-58W.
   B. 62-25N 040-44W, 60-26N 041-28W,
      59-04N 043-04W, 59-02N 045-27W,
      59-23N 045-38W, 59-46N 043-58W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 28 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 020001Z JUL 21.

188

NAVAREA IV 548/212021-07-01 20:57Z → cancelled 2021-07-03 00:01Z (archive)

North american ice service (nais) iceberg bulletin 020001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 020001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-53N 055-35W, 50-00N 054-30W,
   53-05N 051-00W, 56-05N 052-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-05N 052-20W, 59-00N 057-25W,
   61-30N 059-25W, 62-20N 057-40W,
   58-30N 048-30W, 58-45N 041-30W,
   63-20N 037-30W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-17N 058-31W, 50-30N 057-26W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 59-52N 064-03W, 60-02N 062-14W,
      60-57N 061-39W, 61-38N 063-22W,
      64-05N 063-09W, 63-14N 059-38W,
      63-38N 057-57W.
   B. 62-25N 040-44W, 60-26N 041-28W,
      59-04N 043-04W, 59-02N 045-27W,
      59-23N 045-38W, 59-46N 043-58W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 28 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 030001Z JUL 21.

189

NAVAREA IV 550/212021-07-02 18:49Z → cancelled 2021-07-04 00:01Z (archive)

North american ice service (nais) iceberg bulletin 030001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 030001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-30N 056-25W, 50-40N 054-45W,
   54-00N 051-25W, 56-05N 052-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-05N 052-20W, 59-00N 058-00W,
   61-20N 058-20W, 60-40N 051-50W,
   58-30N 047-15W, 58-00N 042-05W,
   62-50N 037-35W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-17N 058-31W, 50-30N 057-26W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 59-52N 064-03W, 60-02N 062-14W,
      60-30N 062-03W, 61-38N 063-22W,
      63-55N 062-51W, 63-14N 059-38W,
      63-25N 057-58W.
   B. 62-25N 040-34W, 59-42N 042-48W,
      59-14N 043-36W, 59-08N 044-10W,
      59-15N 045-05W, 59-48N 043-47W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 28 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 040001Z JUL 21.

190

NAVAREA IV 559/212021-07-03 18:36Z → cancelled 2021-07-05 00:01Z (archive)

North american ice service (nais) iceberg bulletin 040001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 040001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-30N 056-25W, 50-40N 054-45W,
   54-00N 051-25W, 56-05N 052-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-05N 052-20W, 59-00N 058-00W,
   61-20N 058-20W, 60-40N 051-50W,
   58-30N 047-15W, 58-00N 042-05W,
   62-50N 037-35W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 057-50W, 50-50N 057-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 59-51N 064-02W, 59-22N 061-43W,
      59-39N 061-09W, 61-38N 063-22W,
      63-55N 062-51W, 63-14N 059-38W,
      63-25N 057-58W.
   B. 62-25N 040-34W, 59-42N 042-48W,
      59-14N 043-36W, 59-08N 044-10W,
      59-15N 045-05W, 59-48N 043-47W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 28 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 050001Z JUL 21.

191

NAVAREA IV 563/212021-07-04 19:04Z → cancelled 2021-07-06 00:01Z (archive)

North american ice service (nais) iceberg bulletin 050001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 050001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-30N 056-25W, 50-40N 054-45W,
   54-00N 051-25W, 56-05N 052-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-05N 052-20W, 59-00N 058-00W,
   61-20N 058-20W, 60-40N 051-50W,
   58-30N 047-15W, 58-00N 042-05W,
   62-50N 037-35W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 057-50W, 50-50N 057-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 59-51N 064-02W, 59-22N 061-43W,
      59-22N 060-51W, 61-38N 063-22W,
      63-55N 062-51W, 63-14N 059-38W,
      63-25N 057-58W.
   B. 62-25N 040-34W, 59-42N 042-48W,
      59-14N 043-36W, 59-08N 044-10W,
      59-15N 045-05W, 59-48N 043-47W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 28 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 060001Z JUL 21.

192

NAVAREA IV 568/212021-07-05 21:21Z → cancelled 2021-07-07 00:01Z (archive)

North american ice service (nais) iceberg bulletin 060001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 060001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-30N 056-25W, 50-40N 054-45W,
   54-00N 051-00W, 56-05N 052-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-05N 052-20W, 59-00N 058-00W,
   61-20N 058-20W, 60-40N 051-50W,
   58-30N 047-15W, 58-00N 042-05W,
   62-50N 037-35W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 057-50W, 50-50N 057-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-12N 064-23W, 60-36N 062-40W,
      60-43N 062-31W, 61-38N 063-22W,
      63-55N 062-51W, 62-57N 059-36W,
      63-21N 057-56W.
   B. 64-25N 038-39W, 62-32N 040-35W,
      59-46N 042-33W, 59-46N 042-52W,
      59-56N 043-10W.
   C. 59-51N 044-18W, 59-49N 044-19W,
      59-46N 044-27W, 59-47N 044-33W,
      59-56N 044-42W, 59-57N 044-36W.
   D. 61-33N 049-15W, 61-32N 049-25W,
      61-42N 050-30W, 61-47N 050-29W,
      61-50N 049-55W, 61-45N 049-27W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 28 JUN 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 070001Z JUL 21.

193

NAVAREA IV 583/212021-07-08 19:28Z → cancelled 2021-07-10 00:01Z (archive)

North american ice service (nais) iceberg bulletin 090001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 090001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-30N 056-25W, 50-40N 054-45W,
   53-35N 050-45W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   61-20N 058-20W, 60-40N 051-50W,
   58-30N 047-15W, 58-00N 042-05W,
   62-50N 037-35W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 057-50W, 50-50N 057-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 58-50N 068-30W, 59-36N 065-56W,
      60-21N 065-36W, 61-32N 067-51W,
      62-09N 071-25W, 63-08N 071-38W.
   B. 62-25N 041-52W, 62-01N 041-24W,
      60-00N 042-29W, 60-01N 042-57W,
      60-26N 043-09W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 06 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 100001Z JUL 21.

194

NAVAREA IV 586/212021-07-09 19:17Z → cancelled 2021-07-11 00:01Z (archive)

North american ice service (nais) iceberg bulletin 100001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 100001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-30N 056-25W, 50-40N 054-45W,
   54-00N 051-00W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   60-40N 051-50W, 58-40N 046-50W,
   58-05N 043-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 057-50W, 50-50N 057-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 58-50N 068-30W, 59-36N 065-56W,
      60-21N 065-36W, 61-32N 067-51W,
      62-09N 071-25W, 63-08N 071-38W.
   B. 62-30N 041-19W, 62-18N 040-35W,
      61-47N 041-29W, 59-53N 042-52W,
      59-42N 043-29W, 59-46N 043-51W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 09 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 110001Z JUL 21.

195

NAVAREA IV 591/212021-07-10 19:42Z → cancelled 2021-07-12 00:01Z (archive)

North american ice service (nais) iceberg bulletin 110001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 110001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-30N 056-25W, 50-40N 054-45W,
   53-55N 050-25W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   60-40N 051-50W, 58-40N 046-50W,
   58-05N 043-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 057-50W, 50-50N 057-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 58-50N 068-30W, 59-21N 066-49W,
      60-21N 065-36W, 62-44N 072-23W,
      63-24N 072-02W.
   B. 62-30N 041-19W, 62-18N 040-35W,
      61-47N 041-29W, 59-53N 042-52W,
      59-42N 043-29W, 59-46N 043-51W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 09 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 120001Z JUL 21.

196

NAVAREA IV 596/212021-07-11 19:19Z → cancelled 2021-07-13 00:01Z (archive)

North american ice service (nais) iceberg bulletin 120001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 120001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-25N 055-30W, 51-50N 053-00W,
   53-40N 050-10W, 56-00N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 052-00W, 59-00N 058-00W,
   60-40N 051-50W, 58-40N 046-50W,
   58-05N 043-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-55N 056-05W, 51-35N 055-55W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 58-50N 068-30W, 59-25N 067-33W,
      61-01N 067-17W, 62-44N 072-23W,
      63-24N 072-02W.
   B. 62-30N 041-19W, 62-18N 040-35W,
      61-47N 041-29W, 59-53N 042-52W,
      59-42N 043-29W, 59-46N 043-51W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 09 JUL 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 110001Z JUL
   BULLETIN DUE TO PREDICTED DETERIORATION.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 130001Z JUL 21.

197

NAVAREA IV 598/212021-07-12 21:22Z → cancelled 2021-07-14 00:01Z (archive)

North american ice service (nais) iceberg bulletin 130001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 130001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-30N 055-34W, 52-00N 054-00W,
   54-00N 051-40W, 56-00N 051-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 051-40W, 59-00N 058-00W,
   60-40N 051-50W, 58-40N 046-50W,
   58-05N 043-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-55N 056-05W, 51-35N 055-55W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 58-54N 069-12W, 59-22N 067-55W,
      60-38N 067-17W, 63-14N 073-08W,
      63-24N 072-02W.
   B. 62-25N 042-05W, 61-50N 042-00W,
      59-59N 043-01W, 59-45N 043-50W,
      59-47N 043-52W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 11 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 140001Z JUL 21.

198

NAVAREA IV 599/212021-07-13 21:21Z → cancelled 2021-07-15 00:01Z (archive)

North american ice service (nais) iceberg bulletin 140001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 140001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-25N 055-30W, 51-40N 053-35W,
   54-00N 051-25W, 56-00N 051-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 051-40W, 59-00N 058-00W,
   60-40N 051-50W, 58-40N 046-50W,
   58-05N 043-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-55N 056-05W, 51-35N 055-55W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 58-54N 069-12W, 59-22N 067-55W,
      60-58N 067-28W, 63-14N 073-08W,
      63-24N 072-02W.
   B. 62-25N 042-05W, 61-50N 042-00W,
      59-59N 043-01W, 59-45N 043-50W,
      59-47N 043-52W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 13 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 150001Z JUL 21.

199

NAVAREA IV 601/212021-07-14 21:12Z → cancelled 2021-07-16 00:01Z (archive)

North american ice service (nais) iceberg bulletin 150001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 150001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-09N 055-50W, 51-25N 053-30W,
   54-10N 051-10W, 56-00N 051-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-00N 051-40W, 59-00N 058-00W,
   60-30N 052-00W, 58-40N 046-50W,
   59-00N 042-30W, 63-20N 037-30W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-53N 056-10W, 51-35N 055-55W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-27N 069-43W, 60-25N 067-56W,
      61-19N 067-50W, 61-53N 070-13W,
      63-26N 073-43W, 63-47N 072-28W.
   B. 62-25N 042-05W, 61-50N 042-00W,
      59-59N 043-01W, 59-45N 043-50W,
      59-47N 043-52W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY SATELLITE PASS 13 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 160001Z JUL 21.

200

NAVAREA IV 603/212021-07-15 18:50Z → cancelled 2021-07-17 00:01Z (archive)

North american ice service (nais) iceberg bulletin 160001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 160001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-02N 055-52W, 51-05N 054-10W,
   51-45N 052-40W, 55-15N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-15N 053-30W, 59-00N 058-00W,
   60-30N 052-00W, 58-40N 046-50W,
   59-00N 042-30W, 63-20N 037-30W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-52N 056-10W, 51-34N 055-54W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-27N 069-43W, 60-32N 068-07W,
      61-15N 068-28W, 61-47N 070-24W,
      63-26N 073-43W, 63-47N 072-28W.
   B. 62-25N 041-52W, 61-26N 041-29W,
      61-19N 041-48W, 61-24N 042-23W.
   C. 60-06N 043-04W, 60-07N 043-00W,
      59-52N 042-54W, 59-52N 043-02W,
      60-02N 043-08W.
   D. 61-36N 049-16W, 61-33N 049-23W,
      61-39N 049-42W, 61-51N 049-46W,
      61-53N 049-39W, 61-45N 049-28W.
6. MOST RECENT RECONNAISSANCE:
   NORTHERN SURVEY SATELLITE PASS 13 JUL 21.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 150001Z JUL
   BULLETIN DUE TO PREDICTED DETERIORATION.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 170001Z JUL 21.

201

NAVAREA IV 606/212021-07-16 18:44Z → cancelled 2021-07-18 00:01Z (archive)

North american ice service (nais) iceberg bulletin 170001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 170001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-02N 055-52W, 51-05N 054-00W,
   51-35N 052-35W, 55-15N 053-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-15N 053-30W, 59-00N 058-00W,
   59-55N 051-40W, 58-40N 046-50W,
   58-45N 042-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-52N 056-10W, 51-34N 055-54W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 60-27N 069-43W, 60-32N 068-07W,
      61-15N 068-28W, 61-47N 070-24W,
      63-26N 073-43W, 63-47N 072-28W.
   B. 62-25N 041-52W, 61-26N 041-29W,
      61-19N 041-48W, 61-24N 042-23W.
   C. 60-06N 043-04W, 60-07N 043-00W,
      59-52N 042-54W, 59-52N 043-02W,
      60-02N 043-08W.
   D. 61-36N 049-16W, 61-33N 049-23W,
      61-39N 049-42W, 61-51N 049-46W,
      61-53N 049-39W, 61-45N 049-28W.
6. MOST RECENT RECONNAISSANCE:
   WESTERN LIMIT SATELLITE PASS 15 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 180001Z JUL 21.

202

NAVAREA IV 610/212021-07-18 18:33Z → cancelled 2021-07-20 00:01Z (archive)

North american ice service (nais) iceberg bulletin 190001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 190001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-33N 055-26W, 51-40N 053-40W,
   55-40N 053-10W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-40N 053-10W, 59-00N 058-00W,
   59-55N 051-40W, 58-40N 046-50W,
   58-45N 042-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-52N 056-10W, 51-34N 055-54W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 59-50N 069-36W, 60-30N 067-42W,
      63-28N 073-35W, 63-47N 072-28W.
   B. 62-25N 041-52W, 61-26N 041-29W,
      61-19N 041-48W, 61-24N 042-23W.
   C. 60-06N 043-04W, 60-07N 043-00W,
      59-52N 042-54W, 59-52N 043-02W,
      60-02N 043-08W.
   D. 61-36N 049-16W, 61-33N 049-23W,
      61-39N 049-42W, 61-51N 049-46W,
      61-53N 049-39W, 61-45N 049-28W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 17 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 200001Z JUL 21.

203

NAVAREA IV 613/212021-07-19 21:13Z → cancelled 2021-07-21 00:01Z (archive)

North american ice service (nais) iceberg bulletin 200001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 200001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-23N 055-31W, 51-20N 054-15W,
   52-05N 053-15W, 55-30N 052-35W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 052-35W, 59-00N 058-00W,
   59-55N 051-40W, 58-40N 046-50W,
   58-45N 042-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-49N 056-19W, 51-33N 055-56W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 59-50N 069-36W, 60-30N 067-42W,
      63-28N 073-35W, 63-47N 072-28W.
   B. 61-28N 042-24W, 61-07N 041-52W,
      61-00N 042-07W, 61-11N 042-33W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 17 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 210001Z JUL 21.

204

NAVAREA IV 615/212021-07-20 21:10Z → cancelled 2021-07-22 00:01Z (archive)

North american ice service (nais) iceberg bulletin 210001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 210001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-19N 055-38W, 51-20N 054-15W,
   52-05N 053-15W, 55-30N 052-20W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-30N 052-20W, 59-00N 058-00W,
   59-55N 051-40W, 58-40N 046-50W,
   58-45N 042-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-49N 056-19W, 51-33N 055-56W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 59-50N 069-36W, 60-30N 067-42W,
      63-28N 073-35W, 63-47N 072-28W.
   B. 61-28N 042-24W, 61-07N 041-52W,
      61-00N 042-07W, 61-11N 042-33W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 17 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 220001Z JUL 21.

205

NAVAREA IV 622/212021-07-21 21:09Z → cancelled 2021-07-23 00:01Z (archive)

North american ice service (nais) iceberg bulletin 220001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 220001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-10N 055-46W, 51-15N 054-05W,
   52-25N 053-00W, 55-20N 052-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-20N 052-00W, 59-00N 058-00W,
   59-55N 051-40W, 58-40N 046-50W,
   58-45N 042-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-45N 056-22W, 51-31N 056-05W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 61-01N 069-38W, 61-17N 070-46W,
      62-33N 073-25W, 64-25N 075-49W.
   B. 61-28N 042-24W, 61-07N 041-52W,
      61-00N 042-07W, 61-11N 042-33W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 20 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 230001Z JUL 21.

206

NAVAREA IV 625/212021-07-22 18:43Z → cancelled 2021-07-24 00:01Z (archive)

North american ice service (nais) iceberg bulletin 230001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 230001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-00N 055-52W, 51-05N 053-30W,
   52-25N 052-30W, 55-25N 051-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   55-25N 051-30W, 59-00N 058-00W,
   59-55N 051-40W, 58-40N 046-50W,
   58-45N 042-00W, 63-20N 037-20W,
   64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-43N 056-36W, 51-24N 056-19W.
5. SEA ICE LIMIT ALONG TRACKLINE JOINING
   60-44N 069-34W, 60-40N 069-07W,
   60-56N 068-49W, 64-25N 075-49W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 20 JUL 21.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 240001Z JUL 21.

207

NAVAREA IV 627/212021-07-23 19:04Z → cancelled 2021-07-25 00:01Z (archive)

North american ice service (nais) iceberg bulletin 240001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 240001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-55N 056-10W, 52-15N 054-00W,
   56-15N 053-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-15N 053-00W, 59-00N 058-00W,
   59-55N 051-40W, 58-40N 046-50W,
   58-40N 041-50W, 63-20N 037-20W,
   64-50N 027-50W.
4. SEA ICE LIMIT ALONG TRACKLINE JOINING
   60-44N 069-34W, 60-40N 069-07W,
   60-56N 068-49W, 64-25N 075-49W.
5. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT SATELLITE PASS 22 JUL 21.
6. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 230001Z JUL
   BULLETIN DUE TO RECENT RECONNAISSANCE.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 250001Z JUL 21.

208

NAVAREA IV 629/212021-07-24 18:33Z → cancelled 2021-07-26 00:01Z (archive)

North american ice service (nais) iceberg bulletin 250001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 250001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-48N 056-25W, 51-50N 055-00W,
   52-15N 054-00W, 56-15N 053-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-15N 053-00W, 59-00N 058-00W,
   59-55N 051-40W, 58-40N 046-50W,
   58-40N 041-50W, 63-20N 037-20W,
   64-50N 027-50W.
4. SEA ICE LIMIT ALONG TRACKLINE JOINING
   60-44N 069-34W, 60-40N 069-07W,
   60-56N 068-49W, 64-25N 075-49W.
5. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT SATELLITE PASS 22 JUL 21.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 260001Z JUL 21.

209

NAVAREA IV 633/212021-07-25 18:34Z → cancelled 2021-07-27 00:01Z (archive)

North american ice service (nais) iceberg bulletin 260001Z jul

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 260001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-41N 056-38W, 51-45N 054-00W,
   55-00N 052-45W, 56-15N 053-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-15N 053-00W, 59-00N 058-00W,
   59-55N 051-40W, 58-40N 046-50W,
   58-40N 041-50W, 63-20N 037-20W,
   64-50N 027-50W.
4. SEA ICE LIMIT ALONG TRACKLINE JOINING
   60-44N 069-34W, 60-40N 069-07W,
   60-56N 068-49W, 64-25N 075-49W.
5. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 24 JUL 21.
6. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
8. CANCEL THIS MSG 270001Z JUL 21.

Icebergs

Iceberg limits and reported bergs — mostly the North American Ice Service (International Ice Patrol) bulletins in the North Atlantic. All current iceberg & sea-ice bulletins →

Not for navigation. Events are assembled automatically from official navigational warnings; the grouping can be wrong. Mariners must use official NAVAREA broadcasts and their national MSI service.