North american ice service (nais) iceberg bulletin 040001Z jan
Labrador Sea · NAVAREA IV 13/24
What this record establishes
Archived notice · 2024-01-05 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 0/24 031901Z JAN 24.. Issued 2024-01-03 19:37Z. 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
- 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.
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.
- NAVAREA IV 1441/232023-12-13 · Archived notice
- NAVAREA IV 1450/232023-12-14 · Archived notice
- NAVAREA IV 1455/232023-12-15 · Archived notice
- NAVAREA IV 1460/232023-12-16 · Archived notice
- NAVAREA IV 1470/232023-12-17 · Archived notice
- NAVAREA IV 1473/232023-12-18 · Archived notice
- issued
- 2024-01-03 19:37Z
- status
- Archived notice
- self-cancels
- 2024-01-05 00:01Z
- authority
- NAIS 0/24 031901Z JAN 24.
- NAVAREA
- NAVAREA IV
- issued by
- NAIS
- sea
- Labrador Sea
- position
- 57.275, -51.175
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. NORTH AMERICAN ICE SERVICE (NAIS)
ICEBERG BULLETIN 040001Z JAN.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
53-15N 055-50W, 54-00N 055-00W,
56-45N 055-00W, 58-30N 057-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
TRACKLINE JOINING
58-30N 057-00W, 61-00N 055-00W,
57-55N 046-45W, 58-35N 042-00W,
63-30N 037-30W, 65-00N 027-35W.
4. SEA ICE LIMIT ALONG TRACKLINES
JOINING:
A. 46-22N 064-34W, 46-36N 064-10W.
B. 46-28N 062-39W, 47-28N 064-32W,
48-34N 063-58W, 48-45N 064-10W.
C. 49-10N 066-23W, 49-12N 067-20W,
50-01N 066-20W, 49-23N 063-36W.
D. 49-44N 062-56W, 50-03N 059-48W,
51-15N 057-47W, 50-54N 057-22W,
49-30N 058-28W, 49-06N 058-25W.
E. 49-54N 056-29W, 51-44N 055-02W,
54-29N 055-02W, 56-44N 059-08W,
58-02N 059-31W, 61-18N 060-40W,
63-59N 057-54W.
F. 62-25N 041-33W, 61-34N 041-36W,
59-49N 042-34W, 59-25N 043-42W,
59-43N 046-07W, 60-07N 046-05W,
59-55N 044-38W.
5. NOTE THE SIGNIFICANT REDUCTION OF THE
ICEBERG LIMIT SINCE 030001Z JAN BULLETIN
DUE TO RECENT RECONNAISSANCE.
6. MOST RECENT RECONNAISSANCE:
EASTERN LIMIT ICEBERG FLIGHT 02 JAN 24.
7. 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.
8. FOR MORE REPORTING INFORMATION OR TO
DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 050001Z JAN 24.
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.
Collected reports in this area · iceberg & sea-ice bulletins
2060 within 180 nm since 2010 · 1 in the last 12 months · 0 listed in force now
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.
- North american ice service (nais) iceberg bulletin 140001Z aug2026-08-13
- North american ice service (nais) iceberg bulletin 020001Z oct2024-10-01
- North american ice service (nais) iceberg bulletin 200001Z jun2024-06-19
- North american ice service (nais) iceberg bulletin 100001Z may2024-05-09
- North american ice service (nais) iceberg bulletin 090001Z may2024-05-08
- North american ice service (nais) iceberg bulletin 080001Z may2024-05-07
Month of issue in the collected archive
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 05:10Z; 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.