Icebergs

South georgia and the south sandwich islands

South Atlantic Ocean · HYDROLANT 3027/22

What this record establishes

Archived notice · 2022-11-25 15:56Z

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 409/22 241406Z NOV 22.. Issued 2022-11-24 23:28Z. 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
South Atlantic Ocean. The parsed report position is -57.656, -39.572. 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 messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.

  1. HYDROLANT 3027/22 · this notice2022-11-24 · Archived notice
  2. HYDROLANT 3037/222022-11-25 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the South Atlantic Ocean →

issued
2022-11-24 23:28Z
status
Archived notice
self-cancels
2022-11-27 23:28Z
authority
NAVAREA VI 409/22 241406Z NOV 22.
NAVAREA
NAVAREA VI · named as the source of this relay
sea
South Atlantic Ocean
position
-57.656, -39.572
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SCOTIA SEA.
WEDDELL SEA.
SOUTH ATLANTIC.
ANTARCTICA.
SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS.
DNC 01, DNC 07, DNC 29.
1. SEA ICE LIMIT ALONG TRACKLINE JOINING
   58-30S 020-00W, 57-49S 024-03W,
   57-46S 024-15W, 58-22S 029-26W,
   59-48S 033-30W, 60-06S 037-10W,
   62-10S 047-22W, 62-41S 050-04W,
   64-25S 054-33W, 63-05S 057-22W,
   64-07S 061-41W, 65-23S 067-16W.
2. ICEBERG AREA BOUND BY
   64-00S 067-16W, 50-00S 036-00W,
   53-54S 030-08W, 49-00S 025-00W,
   50-00S 020-00W, 60-00S 020-00W,
   60-00S 032-15W, 64-45S 054-30W,
   63-00S 057-20W, 67-00S 067-16W.
3. CANCEL THIS MSG 272328Z NOV 22.

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.
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.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
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

1296 within 180 nm since 1999 · 2 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
25
26

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

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

Record snapshot 2026-10-02 02:03Z; 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.