Icebergs

180001Z oct iceberg limit along trackline joining 53-00N 055-50W, 53-00N 055-00W, 54-15N 055-00W, 60-00N…

Hudson Bay · NAVAREA IV 869/15

What this record establishes

Archived notice · 2015-10-19 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 172137Z OCT 15.. Issued 2015-10-17 21:41Z. 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 Bay. 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 869/15 · this notice2015-10-17 · Archived notice
  2. NAVAREA IV 872/152015-10-18 · Archived notice
  3. NAVAREA IV 874/152015-10-19 · Archived notice
Compare all 3 notices, changes and original texts →

Current notices and reporting history in the Hudson Bay →

issued
2015-10-17 21:41Z
status
Archived notice
self-cancels
2015-10-19 00:01Z
authority
NAIS 172137Z OCT 15.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Hudson Bay
position
61.025, -76.235
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 OCT ICEBERG LIMIT ALONG TRACKLINE JOINING
     53-00N 055-50W, 53-00N 055-00W, 54-15N 055-00W,
     60-00N 060-00W.
2. SEA ICE LIMIT ALONG TRACKLINE JOINING
     58-45N 093-20W, 60-10N 094-15W, 63-45N 088-30W,
     61-50N 083-20W, 63-25N 079-05W, 64-10N 078-10W,
     63-45N 073-55W, 62-20N 070-40W, 62-25N 069-10W.
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 190001Z OCT 15.

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

15 within 180 nm since 2012 · 0 in the last 12 months · 0 listed in force now

12
15

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

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 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.