Icebergs

An iceberg bulletin on 30 September lists iceberg limits along tracklines near 50-52N 056-00W to 63-40N 027-25W and asks ships to report icebergs to the Canadian Coast Guard.

Labrador Sea · NAVAREA IV 948/26

What this record establishes

Cancelled notice · 2026-09-30 15:00Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates
NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-29 19:20Z. First collected 2026-09-30 16:02Z; last seen in collection 2026-10-01 01:32Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Labrador Sea. 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 Labrador Sea →

issued
2026-09-29 19:20Z
status
Cancelled notice
self-cancels
2026-10-01 00:01Z
NAVAREA
NAVAREA IV
sea
Labrador Sea
position
59.403, -46.283
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-30 16:02Z

Original warning text

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 300001Z SEP.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-52N 056-00W, 50-45N 054-00W,
   55-15N 053-15W, 60-00N 058-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   60-00N 058-00W, 61-25N 054-35W,
   59-20N 049-20W, 58-30N 043-10W,
   59-05N 042-00W, 63-15N 038-15W,
   63-40N 027-25W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-29N 056-50W, 51-19N 056-39W.
5. MOST RECENT RECONNAISSANCE:
   EASTERN LIMIT ICEBERG FLIGHT 25 SEP 26.
6. 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.
7. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/INTERNATIONAL-ICE-PATROL.
8. CANCEL THIS MSG 010001Z OCT 26.

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

1251 within 180 nm since 2000 · 24 in the last 12 months · 1 listed in force now

00
05
10
15
20
25
26

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 2026-10-01 01:45Z; 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.