North american ice service (nais) iceberg bulletin 220001Z nov
Labrador Sea · NAVAREA IV 1237/22
What this record establishes
Archived notice · 2022-11-23 00:01Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAIS 211831Z NOV 22.. Issued 2022-11-21 19:10Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Labrador Sea. The map shows the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
- issued
- 2022-11-21 19:10Z
- status
- Archived notice
- self-cancels
- 2022-11-23 00:01Z
- authority
- NAIS 211831Z NOV 22.
- NAVAREA
- NAVAREA IV
- issued by
- NAIS
- sea
- Labrador Sea
- position
- 58.201, -47.932
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. NORTH AMERICAN ICE SERVICE (NAIS)
ICEBERG BULLETIN 220001Z NOV.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
50-35N 056-15W, 50-30N 049-30W,
51-45N 048-30W, 58-15N 056-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
TRACKLINE JOINING
58-15N 056-30W, 60-00N 053-10W,
59-00N 050-45W, 57-55N 045-10W,
57-25N 039-25W, 62-30N 038-45W,
64-50N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
JOINING
51-26N 057-05W, 51-04N 056-50W.
5. SEA ICE LIMIT ALONG TRACKLINES
JOINING:
A. 53-46N 056-42W, 54-25N 057-32W.
B. 59-31N 063-44W, 60-35N 063-49W,
60-37N 063-49W, 60-59N 062-59W,
61-52N 060-50W, 64-00N 057-54W.
6. MOST RECENT RECONNAISSANCE:
EASTERN LIMIT SATELLITE PASS 19 NOV 22.
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 NOV 22.
Reading this warning
- Icebergs and ice limits
- Icebergs, smaller pieces of glacier ice and the published limit of known ice.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Inmarsat-C / SafetyNET
- The satellite system that carries NAVAREA warnings to ships at sea, and the terminal number rescue centres give for reports.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · iceberg & sea-ice bulletins
1961 within 180 nm since 2000 · 26 in the last 12 months · 1 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- North american ice service (nais) iceberg bulletin 020001Z oct2026-10-01
- North american ice service (nais) iceberg bulletin 010001Z oct2026-09-30
- North american ice service (nais) iceberg bulletin 300001Z sep2026-09-29
- North american ice service (nais) iceberg bulletin 290001Z sep2026-09-28
- North american ice service (nais) iceberg bulletin 280001Z sep2026-09-27
- North american ice service (nais) iceberg bulletin 250001Z sep2026-09-24
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
- North american ice service (nais) iceberg bulletin 020001Z octIcebergs · 81.2 nm
Worldwide in the collected sources
4 iceberg & sea-ice bulletins listed in force · see all
Record snapshot 2026-10-03 18:40Z; source collection times vary.
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.