Icebergs

Icebergs reported in: a. A23A, 64-00.00S 052-45.00W

Southern Ocean · HYDROLANT 2411/23

What this record establishes

Archived notice · 2023-10-23 15:07Z

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 221501Z OCT 23.. Issued 2023-10-22 15:09Z. 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 -62.883, -53.724. It is a position in the source message, not a live location. 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. HYDROLANT 2385/232023-10-20 · Archived notice
  2. HYDROLANT 2394/232023-10-21 · Archived notice
  3. HYDROLANT 2411/23 · this notice2023-10-22 · Archived notice
  4. HYDROLANT 2420/232023-10-23 · Archived notice
  5. HYDROLANT 2427/232023-10-24 · Archived notice
  6. HYDROLANT 2437/232023-10-25 · Archived notice
Compare all 82 notices, changes and original texts →

Current notices and reporting history in the Southern Ocean →

issued
2023-10-22 15:09Z
status
Archived notice
self-cancels
2023-10-23 15:07Z
authority
VALPARAISO PLAYA ANCHA RADIO 0/23 221501Z OCT 23.
issued by
VALPARAISO PLAYA ANCHA RADIO
sea
Southern Ocean
position
-62.883, -53.724
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SCOTIA SEA.
WEDDELL SEA.
ANTARCTICA.
DNC 01, DNC 29.
1. ICEBERGS REPORTED IN:
   A. A23A, 64-00.00S 052-45.00W.
   B. A76B, 65-17.40S 058-27.00W.
   C. A76C, 65-24.00S 059-31.20W.
   D. A80A, 65-45.60S 058-10.20W.
   E. A80D, 65-41.40S 057-49.20W.
   F. D29B, 57-48.60S 049-44.40W.
   G. D30A, 58-13.80S 048-19.80W.
   H. D30B, 60-52.80S 045-00.60W.
2. CANCEL THIS MSG 231507Z OCT 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

1263 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
24

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 19:05Z; 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.