Icebergs

Icebergs reported in: a. A76A, 55-46.00S 045-44.00W

Southern Ocean · HYDROLANT 588/23

What this record establishes

Archived notice · 2023-03-18 16:33Z

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) · NAVAREA VI 104/23 171621Z MAR 23.. Issued 2023-03-17 16:39Z. 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: Southern Ocean. The parsed report position is -61.578, -36.932. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Southern Ocean →

issued: 2023-03-17 16:39Z
status: Archived notice
self-cancels: 2023-03-18 16:33Z
authority: NAVAREA VI 104/23 171621Z MAR 23.
NAVAREA: NAVAREA VI · named as the source of this relay
sea: Southern Ocean
position: -61.578, -36.932
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SCOTIA SEA.
SOUTH ATLANTIC.
WEDDELL SEA.
DNC 01, DNC 29.
1. ICEBERGS REPORTED IN:
   A. A76A, 55-46.00S 045-44.00W.
   B. D29A, 63-12.00S 039-09.00W.
   C. A78, 68-16.00S 047-36.00W.
   D. 60-59.00S 024-16.00W.
   E. 65-42.00S 045-47.00W.
   F. 66-21.00S 030-30.00W.
   G. 61-47.00S 022-38.00W.
   H. 55-49.00S 045-01.00W.
   I. 56-06.00S 045-08.00W.
   J. 61-49.00S 023-30.00W.
2. CANCEL THIS MSG 181633Z MAR 23.

Reading this warning

DNC (Digital Nautical Chart): A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
Icebergs and ice limits: Icebergs, smaller pieces of glacier ice and the published limit of known ice.
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.
CANCEL THIS MSG: The warning's own expiry: a line telling the reader when the message cancels itself.
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.

All warning terms →

Collected reports in this area · iceberg & sea-ice bulletins

407 within 180 nm since 1999 · 0 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.

Icebergs reported in: a. A23A, 59-41.00S 048-06.00W2024-03-21
Icebergs reported in: a. A23A, 59-42.00S 048-06.00W2024-03-20
Icebergs reported in: a. A23A, 59-44.00S 048-33.00W2024-03-19
Icebergs reported in: a. A23A, 59-47.00S 048-47.00W2024-03-18
Icebergs reported in: a. A23A2024-02-16
Icebergs reported in: a. A23A, 60-48.00S 051-36.00W2024-02-15

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 19:56Z; 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.