Icebergs

100001Z jan iceberg limit along trackline joining 48-00N 053-00W, 47-30N 052-00W, 46-45N 046-30W, 49-15N…

Gulf of St. Lawrence · NAVAREA IV 19/16

What this record establishes

Archived notice · 2016-01-10 14:34Z

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 091836Z JAN 16.. Issued 2016-01-09 21:48Z. 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
Gulf of St. Lawrence. 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 16/162016-01-08 · Archived notice
  2. NAVAREA IV 19/16 · this notice2016-01-09 · Archived notice
  3. NAVAREA IV 21/162016-01-10 · Archived notice
  4. NAVAREA IV 22/162016-01-10 · Archived notice
  5. NAVAREA IV 30/162016-01-14 · Archived notice
  6. NAVAREA IV 38/162016-01-18 · Archived notice
Compare all 6 notices, changes and original texts →

Current notices and reporting history in the Gulf of St. Lawrence →

issued
2016-01-09 21:48Z
status
Archived notice
self-cancels
2016-01-11 00:01Z
authority
NAIS 091836Z JAN 16.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Gulf of St. Lawrence
position
51.805, -55.770
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. 100001Z JAN ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-00N 053-00W, 47-30N 052-00W, 46-45N 046-30W,
   49-15N 046-45W, 60-00N 060-00W.
2. WESTERN ICEBERG LIMIT ALONG TRACKLINE BETWEEN
   51-45N 056-25W AND 51-25N 056-25W.
3. SEA ICE LIMIT ALONG TRACKLINES:
   A. JOINING 49-05N 064-30W, 49-20N 063-55W,
      48-35N 061-35W, 50-30N 058-50W, 50-15N 058-05W,
      48-00N 059-45W, 47-20N 059-15W, 47-30N 056-10W.
   B. JOINING 46-10N 059-50W, 47-20N 060-25W,
      47-50N 061-40W, 47-20N 062-20W, 46-35N 062-15W,
      47-10N 064-00W, 48-50N 064-00W, 48-55N 064-15W.
   C. JOINING 47-40N 052-40W, 50-05N 053-15W,
      54-00N 052-15W, 56-30N 057-00W, 58-00N 058-30W,
      61-00N 059-00W, 62-50N 057-45W.
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 110001Z JAN 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

828 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
22

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

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

Record snapshot 2026-09-25 01:08Z; 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.