Other

Anchoring prohibited until 161750Z jul in area bound by 25-42.71S 048-08.63W, 25-43.44S 048-09.40W,…

South Atlantic Ocean · HYDROLANT 141/23

What this record establishes

Archived notice · 2023-07-16 18:50Z

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 V COASTAL 39/23 172125Z JAN 23.. Issued 2023-01-17 21:50Z. 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 map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the South Atlantic Ocean →

issued: 2023-01-17 21:50Z
status: Archived notice
self-cancels: 2023-07-16 18:50Z
authority: NAVAREA V COASTAL 39/23 172125Z JAN 23.
NAVAREA: NAVAREA V · named as the source of this relay
issued by: NAVAREA V COASTAL
sea: South Atlantic Ocean
position: -25.657, -48.243
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. ANCHORING PROHIBITED UNTIL 161750Z JUL
   IN AREA BOUND BY
   25-42.71S 048-08.63W, 25-43.44S 048-09.40W,
   25-40.61S 048-11.55W, 25-41.08S 048-12.10W,
   25-39.10S 048-13.64W, 25-39.44S 048-13.97W,
   25-36.91S 048-13.00W, 25-40.28S 048-16.62W,
   25-35.11S 048-14.00W, 25-39.44S 048-18.61W.
2. CANCEL THIS MSG 161850Z JUL 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.
Anchoring and fishing prohibited: Ships may pass but must not anchor, trawl or put gear on the seabed — usually because of cables, pipelines, moorings or ordnance.
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.
Area bound by: Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
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.

All warning terms →

Collected reports in this area · other warnings

15 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.

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

23 other warnings listed in force · see all

Record snapshot 2026-09-29 03:31Z; source collection times vary.

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.