Icebergs

North american ice service (nais) iceberg bulletin 080001Z jul

Davis Strait · NAVAREA IV 578/21

What this record establishes

Archived notice · 2021-07-09 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 071834Z JUL 21.. Issued 2021-07-07 21:19Z. 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: Davis Strait. 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 Davis Strait →

issued: 2021-07-07 21:19Z
status: Archived notice
self-cancels: 2021-07-09 00:01Z
authority: NAIS 071834Z JUL 21.
NAVAREA: NAVAREA IV
issued by: NAIS
sea: Davis Strait
position: 60.071, -51.455
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 080001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   50-30N 056-25W, 50-40N 054-45W,
   54-00N 051-00W, 56-05N 052-15W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   56-05N 052-15W, 59-00N 058-00W,
   61-20N 058-20W, 60-40N 051-50W,
   58-30N 047-15W, 58-00N 042-05W,
   62-50N 037-35W, 64-50N 027-50W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   51-35N 057-50W, 50-50N 057-00W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 58-50N 068-30W, 59-36N 065-56W,
      60-21N 065-36W, 61-32N 067-51W,
      62-09N 071-25W, 63-08N 071-38W.
   B. 63-04N 067-35W, 62-05N 064-13W,
      64-18N 061-41W, 63-12N 059-57W,
      63-41N 057-56W.
   C. 64-25N 038-39W, 62-32N 040-35W,
      59-46N 042-33W, 59-46N 042-52W,
      59-56N 043-10W.
   D. 59-51N 044-18W, 59-49N 044-19W,
      59-46N 044-27W, 59-47N 044-33W,
      59-56N 044-42W, 59-57N 044-36W.
   E. 61-33N 049-15W, 61-32N 049-25W,
      61-42N 050-30W, 61-47N 050-29W,
      61-50N 049-55W, 61-45N 049-27W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 06 JUL 21.
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 090001Z JUL 21.

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

893 within 180 nm since 2010 · 25 in the last 12 months · 1 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.

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 2026-10-02 16:16Z; 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.