Icebergs

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

NAVAREA IV 310/21

issued
2021-04-16 18:52Z
status
cancelled 2021-04-17 16:38Z (archive)
self-cancels
2021-04-18 00:01Z
authority
NAIS 161845Z APR 21.
sea
Labrador Sea
position
58.057, -48.160
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

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.

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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. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.