Icebergs

Icebergs reported in: a. A23A, 70-30.00S 035-03.00W

Southern Ocean · HYDROLANT 1454/23

What this record establishes

Archived notice · 2023-06-28 16:35Z

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 271634Z JUN 23.. Issued 2023-06-27 16:37Z. 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 -67.131, -53.309. 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
2023-06-27 16:37Z
status
Archived notice
self-cancels
2023-06-28 16:35Z
authority
VALPARAISO PLAYA ANCHA RADIO 0/23 271634Z JUN 23.
issued by
VALPARAISO PLAYA ANCHA RADIO
sea
Southern Ocean
position
-67.131, -53.309
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 29.
1. ICEBERGS REPORTED IN:
   A. A23A, 70-30.00S 035-03.00W.
   B. A70, 61-49.20S 053-11.40W.
   C. A76B, 65-54.00S 059-55.20W.
   D. A76C, 65-37.20S 060-05.40W.
   E. A78, 67-34.80S 046-18.00W.
   F. A80A, 68-51.60S 059-37.80W.
   G. A80D, 69-01.20S 059-26.40W.
   H. D20A, 71-31.20S 051-39.00W.
   I. D28, 65-00.00S 054-03.60W.
   J. D29B, 65-29.40S 053-45.60W.
2. CANCEL THIS MSG 281635Z JUN 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

1148 within 180 nm since 2003 · 0 in the last 12 months · 0 listed in force now

03
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 2026-10-03 15:56Z; 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.