Icebergs

100001Z jul iceberg limit along trackline joining 48-05N 053-00W, 48-15N 050-30W, 48-45N 049-45W, 50-45N…

Davis Strait · NAVAREA IV 406/13

What this record establishes

Archived notice · 2013-07-11 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 091947Z JUL 13.. Issued 2013-07-09 22:01Z. 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.

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 403/132013-07-08 · Archived notice
  2. NAVAREA IV 406/13 · this notice2013-07-09 · Archived notice
  3. NAVAREA IV 409/132013-07-11 · Archived notice
  4. NAVAREA IV 410/132013-07-12 · Archived notice
  5. NAVAREA IV 412/132013-07-13 · Archived notice
  6. NAVAREA IV 418/132013-07-14 · Archived notice
Compare all 16 notices, changes and original texts →

Current notices and reporting history in the Davis Strait →

issued
2013-07-09 22:01Z
status
Archived notice
self-cancels
2013-07-11 00:01Z
authority
NAIS 091947Z JUL 13.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Davis Strait
position
64.324, -61.372
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 JUL ICEBERG LIMIT ALONG TRACKLINE JOINING
   48-05N 053-00W, 48-15N 050-30W, 48-45N 049-45W,
   50-45N 048-30W, 51-30N 048-45W, 55-00N 051-30W,
   60-00N 059-45W.
2. WESTERN ICEBERG LIMIT ALONG TRACKLINE BETWEEN
   51-05N 058-50W AND 50-30N 057-25W.
3. SEA ICE LIMIT ALONG TRACKLINE JOINING
   53-45N 056-25W, 55-30N 055-00W, 57-00N 058-05W,
   58-00N 059-00W, 61-30N 061-30W, 65-00N 057-30W,
   67-00N 057-00W, 72-00N 059-00W, 75-10N 068-00W,
   74-20N 079-00W, 78-10N 073-00W.
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 JUL 13.

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

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

12
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

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

Record snapshot 2026-10-02 19:19Z; 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.