Icebergs

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

Labrador Sea · NAVAREA IV 1224/22

What this record establishes

Archived notice · 2022-11-18 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 0/22 161901Z NOV 22.. Issued 2022-11-16 19:54Z. 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.

Current notices and reporting history in the Labrador Sea →

issued: 2022-11-16 19:54Z
status: Archived notice
self-cancels: 2022-11-18 00:01Z
authority: NAIS 0/22 161901Z NOV 22.
NAVAREA: NAVAREA IV
issued by: NAIS
sea: Labrador Sea
position: 59.541, -54.244
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 170001Z NOV.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-39N 056-09W, 50-45N 050-30W,
   51-30N 049-30W, 54-30N 051-00W,
   58-15N 056-30W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   58-15N 056-30W, 60-25N 052-20W,
   57-55N 045-10W, 57-25N 039-25W,
   62-20N 039-10W, 64-50N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-31N 056-54W, 51-19N 056-39W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 54-12N 057-30W, 54-25N 057-32W.
   B. 60-16N 064-57W, 58-39N 067-35W,
      59-30N 069-04W, 61-11N 068-59W,
      63-15N 075-50W, 63-41N 075-14W,
      62-39N 070-48W.
   C. 62-33N 070-14W, 61-02N 064-33W,
      61-33N 063-32W, 64-00N 057-54W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 16 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 180001Z 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.

All warning terms →

Collected reports in this area · iceberg & sea-ice bulletins

576 within 180 nm since 2012 · 4 in the last 12 months · 0 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.

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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

4 iceberg & sea-ice bulletins listed in force · see all

Record snapshot 2026-10-03 18:43Z; 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.