Nav aids

Yellow odas buoy established in 24-08.60S 045-40.70W

South Atlantic Ocean · HYDROLANT 876/24

What this record establishes

Archived notice · 2024-10-21 20:00Z

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 250/24 250031Z APR 24.. Issued 2024-04-25 00:34Z. 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 -24.143, -45.678. 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 South Atlantic Ocean →

issued: 2024-04-25 00:34Z
status: Archived notice
self-cancels: 2024-10-21 20:00Z
authority: NAVAREA V COASTAL 250/24 250031Z APR 24.
NAVAREA: NAVAREA V · named as the source of this relay
issued by: NAVAREA V COASTAL
sea: South Atlantic Ocean
position: -24.143, -45.678
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. YELLOW ODAS BUOY ESTABLISHED IN 24-08.60S 045-40.70W.
2. CANCEL THIS MSG 212000Z OCT 24.

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.
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 · aids-to-navigation notices

341 within 180 nm since 1999 · 4 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.

Ponta dos meros light 23-13.57S 044-20.83W unlit until 24 mar2026-09-26
Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sep2026-03-31
Odas buoy established in 24-06.36S 045-38.78W2026-03-30
Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sep2026-03-30
Caraguata light in 25-34.38S 048-19.23W unlit until 30 sep2024-04-03
Ponta grossa light 23-46.60S 045-13.84W unlit until 14 aug2024-02-17

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

137 aids-to-navigation notices listed in force · see all

Record snapshot 2026-10-01 21:51Z; source collection times vary.

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →

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.