Nav aids

An ODAS buoy is established at 24-06.36S 045-38.78W; this message cancels 250001Z September 2026.

South Atlantic Ocean · HYDROLANT 628/26

What this record establishes

Cancelled notice · 2026-09-25 16:30Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates: NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-03-30 09:28Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-09-25 18:02Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: South Atlantic Ocean. The parsed report position is -24.106, -45.646. 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: 2026-03-30 09:28Z
status: Cancelled notice
self-cancels: 2026-09-25 00:01Z
sea: South Atlantic Ocean
position: -24.106, -45.646
nearest port: Santos · 37 nm
source: NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z

Original warning text

SOUTH ATLANTIC.
BRAZIL.
1. ODAS BUOY ESTABLISHED IN 24-06.36S 045-38.78W.
2. CANCEL THIS MSG 250001Z SEP 26.

Reading this warning

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

343 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
Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sep2026-03-30
Yellow odas buoy established in 24-08.60S 045-40.70W2024-04-25
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 2026-09-30 11:54Z; 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.