Icebergs

050001Z nov iceberg limit: 54-30N 057-15W, 55-00N 056-45W, 55-30N 056-45W, 60-00N 059-00W

Hudson Strait · NAVAREA IV 664/12

What this record establishes

Archived notice · 2012-11-06 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 041832Z NOV 12.. Issued 2012-11-04 22:15Z. 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
Hudson Strait. The parsed report position is 60.303, -65.591. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. NAVAREA IV 659/122012-11-02 · Archived notice
  2. NAVAREA IV 662/122012-11-03 · Archived notice
  3. NAVAREA IV 664/12 · this notice2012-11-04 · Archived notice
  4. NAVAREA IV 666/122012-11-05 · Archived notice
  5. NAVAREA IV 668/122012-11-06 · Archived notice
  6. NAVAREA IV 671/122012-11-07 · Archived notice
Compare all 6 notices, changes and original texts →

Current notices and reporting history in the Hudson Strait →

issued
2012-11-04 22:15Z
status
Archived notice
self-cancels
2012-11-06 00:01Z
authority
NAIS 041832Z NOV 12.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Hudson Strait
position
60.303, -65.591
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. 050001Z NOV ICEBERG LIMIT:
   54-30N 057-15W, 55-00N 056-45W,
   55-30N 056-45W, 60-00N 059-00W.
2. SEA ICE LIMIT:
   A. 62-45N 067-00W, 63-00N 066-35W.
   B. 62-15N 068-35W, 62-20N 070-30W, 63-45N 074-45W,
      63-15N 074-45W, 61-00N 069-35W.
3. 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.
4. CANCEL THIS MSG 060001Z NOV 12.

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.
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

165 within 180 nm since 2009 · 0 in the last 12 months · 0 listed in force now

09
10
15
20
23

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

J
F
M
A
M
J
J
A
S
O
N
D

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

Worldwide in the collected sources

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

Record snapshot 2026-10-03 06:36Z; 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.