Icebergs

160001Z jan iceberg limit along trackline joining 47-00N 052-55W, 46-00N 052-00W, 45-45N 045-30W, 51-00N…

Gulf of St. Lawrence · NAVAREA IV 32/16

What this record establishes

Archived notice · 2016-01-17 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 151832Z JAN 16.. Issued 2016-01-15 20:29Z. 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: Gulf of St. Lawrence. 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 Gulf of St. Lawrence →

issued: 2016-01-15 20:29Z
status: Archived notice
self-cancels: 2016-01-17 00:01Z
authority: NAIS 151832Z JAN 16.
NAVAREA: NAVAREA IV
issued by: NAIS
sea: Gulf of St. Lawrence
position: 51.161, -56.859
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NORTH AMERICAN ICE SERVICE (NAIS) ICEBERG BULLETIN.
1. 160001Z JAN ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-00N 052-55W, 46-00N 052-00W, 45-45N 045-30W,
   51-00N 047-30W, 60-00N 058-30W.
2. WESTERN ICEBERG LIMIT ALONG TRACKLINE BETWEEN
   51-45N 056-25W AND 51-25N 056-25W.
3. SEA ICE LIMIT ALONG TRACKLINE BETWEEN
   48-50N 067-25W AND 50-15N 065-35W.
4. SEA ICE LIMIT ALONG TRACKLINES JOINING:
   A. 46-05N 061-25W, 45-45N 062-25W, 46-30N 061-40W,
      46-35N 062-05W, 46-25N 062-25W.
   B. 46-30N 062-35W, 47-20N 064-20W, 48-55N 063-40W,
      49-20N 064-40W, 49-10N 064-55W.
   D. 50-20N 065-00W, 50-00N 063-25W, 50-00N 059-45W,
      50-55N 057-25W, 48-20N 059-30W, 48-15N 058-45W.
   E. 49-40N 062-40W, 49-50N 063-05W, 50-00N 064-30W,
      49-45N 064-45W, 48-50N 062-30W, 48-55N 061-30W,
      49-15N 061-30W, 49-15N 061-50W.
   F. 47-15N 062-00W, 47-05N 061-40W, 47-40N 061-10W,
      47-40N 061-25W.
   G. 48-40N 053-05W, 49-25N 053-15W, 50-20N 055-00W,
      51-00N 053-20W, 55-05N 052-15W, 56-30N 056-35W,
      58-00N 058-00W, 61-00N 059-30W, 64-00N 057-55W.
4. REPORT POSITION AND TIME OF ANY ICEBERGS OR
   STATIONARY RADAR TARGETS THAT MAY LIKELY BE ICEBERGS TO
   THE NEAREST CANADIAN COAST GUARD MARINE COMMUNICATIONS
   AND TRAFFIC SERVICE STATION OR USING INMARSAT CODE 42.
5. CANCEL THIS MSG 170001Z JAN 16.

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

476 within 180 nm since 1999 · 0 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.

Iceberg reported in 48-53.92N 059-52.83W2022-04-13
Iceberg reported in 50-51.6N 057-58.8W2022-04-08
Icebergs reported at 171409Z apr in: a. 51-10.5N 057-24.7W2021-04-17
North american ice service (nais) iceberg bulletin 090001Z jan2019-01-08
Possible iceberg reported in vicinity 49-36.3N 058-06.3W 261600Z apr2018-04-26
Iceberg reported in vicinity 49-36.3N 058-06.3W 261600Z apr2018-04-26

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

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

Record snapshot 2026-09-28 18:23Z; 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.