Icebergs

180001Z nov iceberg limit along trackline joining 53-23N 056-00W, 54-00N 053-00W, 55-30N 053-00W

Hudson Strait · NAVAREA IV 979/16

What this record establishes

Archived notice · 2016-11-19 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 171838Z NOV 16.. Issued 2016-11-17 18:56Z. 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 944/162016-11-01 · Archived notice
  2. NAVAREA IV 946/162016-11-02 · Archived notice
  3. NAVAREA IV 949/162016-11-03 · Archived notice
  4. NAVAREA IV 950/162016-11-04 · Archived notice
  5. NAVAREA IV 953/162016-11-05 · Archived notice
  6. NAVAREA IV 957/162016-11-06 · Archived notice
Compare all 21 notices, changes and original texts →

Current notices and reporting history in the Hudson Strait →

issued
2016-11-17 18:56Z
status
Archived notice
self-cancels
2016-11-19 00:01Z
authority
NAIS 171838Z NOV 16.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Hudson Strait
position
60.460, -65.960
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. 180001Z NOV ICEBERG LIMIT ALONG TRACKLINE JOINING
   53-23N 056-00W, 54-00N 053-00W, 55-30N 053-00W.
2. ESTIMATED ICEBERG LIMIT ALONG TRACKLINE JOINING
   55-30N 053-00W, 60-00N 060-00W, 61-00N 054-00W,
   58-00N 050-00W, 58-00N 039-00W, 64-00N 038-00W,
   66-00N 030-00W.
3. SEA ICE LIMIT ALONG TRACKLINES JOINING:
   A. 61-55N 065-55W, 62-15N 065-35W, 62-10N 064-25W,
      62-30N 064-20W.
   B. 62-30N 064-35W, 63-30N 063-30W, 64-55N 065-15W,
      64-55N 063-40W.
   C. 60-20N 064-50W, 58-40N 067-15W, 59-20N 068-50W,
      61-00N 069-05W, 62-50N 074-10W, 62-30N 080-50W,
      58-35N 079-10W, 57-15N 077-10W, 55-05N 078-10W.
   D. 55-05N 082-15W, 55-05N 082-10W, 57-50N 091-30W,
      60-25N 093-35W, 63-00N 088-35W, 61-50N 083-05W,
      63-45N 079-20W, 64-00N 075-10W, 62-30N 070-30W,
      61-50N 066-15W.
4. MOST RECENT RECONNAISSANCE:
   INTERIOR ICEBERG FLIGHT 06 NOV 16.
5. 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.
6. CANCEL THIS MSG 190001Z NOV 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

159 within 180 nm since 2011 · 0 in the last 12 months · 0 listed in force now

11
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 04:20Z; 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.