Icebergs

040001Z nov iceberg limit along trackline joining 51-00N 055-50W, 51-00N 054-00W, 51-45N 052-00W, 55-00N…

Hudson Strait · NAVAREA IV 684/13

What this record establishes

Archived notice · 2013-11-05 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 031911Z NOV 13.. Issued 2013-11-03 21:51Z. 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 map shows the reported line or operation extent; it is not a vessel track. 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 671/132013-10-28 · Archived notice
  2. NAVAREA IV 672/132013-10-29 · Archived notice
  3. NAVAREA IV 673/132013-10-30 · Archived notice
  4. NAVAREA IV 676/132013-10-31 · Archived notice
  5. NAVAREA IV 677/132013-11-01 · Archived notice
  6. NAVAREA IV 678/132013-11-01 · Archived notice
Compare all 31 notices, changes and original texts →

Current notices and reporting history in the Hudson Strait →

issued
2013-11-03 21:51Z
status
Archived notice
self-cancels
2013-11-05 00:01Z
authority
NAIS 031911Z NOV 13.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Hudson Strait
position
59.724, -65.753
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. 040001Z NOV ICEBERG LIMIT ALONG TRACKLINE JOINING
   51-00N 055-50W, 51-00N 054-00W, 51-45N 052-00W,
   55-00N 051-40W, 60-00N 059-30W.
2. WESTERN ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-45N 059-00W, 49-40N 059-00W, 49-40N 058-00W.
3. SEA ICE LIMIT ALONG TRACKLINES:
   A. BETWEEN 62-05N 065-50W AND 62-30N 065-05W.
   B. JOINING 62-35N 064-50W, 63-15N 063-45W,
      64-10N 064-10W, 65-50N 061-30W, 66-35N 061-15W.
   C. JOINING 58-55N 078-25W, 60-05N 077-55W,
      61-45N 080-30W, 62-30N 080-10W, 62-45N 077-55W,
      62-25N 074-35W, 62-35N 073-25W, 61-40N 071-45W.
   D. JOINING 62-05N 067-20W, 62-05N 068-00W,
      62-30N 070-45W, 63-50N 072-55W,
      64-15N 074-25W, 64-10N 076-40W.
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 050001Z NOV 13.

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

155 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

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

Record snapshot 2026-09-29 23:16Z; 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.