Icebergs

Icebergs reported in: a. A23A, 62-49.20S 052-26.40W

Southern Ocean · HYDROLANT 2852/23

What this record establishes

Archived notice · 2023-12-11 15:19Z

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) · VALPARAISO PLAYA ANCHA RADIO 0/23 101511Z DEC 23.. Issued 2023-12-10 15:21Z. 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 -64.497, -56.383. 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: 2023-12-10 15:21Z
status: Archived notice
self-cancels: 2023-12-11 15:19Z
authority: VALPARAISO PLAYA ANCHA RADIO 0/23 101511Z DEC 23.
issued by: VALPARAISO PLAYA ANCHA RADIO
sea: Southern Ocean
position: -64.497, -56.383
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WEDDELL SEA.
ANTARCTICA.
DNC 29.
1. ICEBERGS REPORTED IN:
   A. A23A, 62-49.20S 052-26.40W.
   B. A76B, 65-17.40S 057-47.40W.
   C. A76C, 65-22.80S 058-55.20W.
2. CANCEL THIS MSG 111519Z DEC 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

1535 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, 60-33.60 s 051-13.20 w. b. A74A, 72-04.20 s 054-44.40 w. c. A74B, 65-07.80 s,…2024-03-08
Icebergs reported in: a. A23A, 60-33.60S 051-13.20W2024-03-06
Icebergs reported in: a. A23A, 60-33.60S 051-13.20W2024-03-05
Icebergs reported in: a. A23A, 60-33.60S 051-13.20W2024-03-04
Icebergs reported in: a. D30B, 69-43.20S 044-12.00W2024-02-25
Icebergs reported in: a. D30B, 69-43.20S 044-12.00W2024-02-24

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

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

Record snapshot 2026-09-24 23:32Z; 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.