A data buoy is temporarily established in the South Atlantic off Brazil at 21-34.20S 040-43.62W until 13 April 2027.
South Atlantic Ocean · HYDROLANT 746/26
What this record establishes
Cancelled notice · 2026-08-21 15:40Z
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 2026-04-14 09:28Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-23 15:17Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- South Atlantic Ocean. The parsed report position is -21.570, -40.727. 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
- Odas buoy temporarily established until 21 aug 27 in 21-34.20S 040-43.62Wlater cancellation notice
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2026-04-14 09:28Z
- status
- Cancelled notice
- self-cancels
- 2027-04-14 00:01Z
- sea
- South Atlantic Ocean
- position
- -21.570, -40.727
- nearest port
- Vitoria · 78 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 TEMPORARILY ESTABLISHED UNTIL 13 APR 27 IN 21-34.20S 040-43.62W. 2. CANCEL THIS MSG 140001Z APR 27.
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.
Collected reports in this area · aids-to-navigation notices
334 within 180 nm since 1998 · 6 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.
- RACON at sao tome light 22-02.52S 041-03.17W inoperative until 24 mar2026-09-26
- Barra de itabapoana light 21-18.82S 040-57.95W unlit until 01 mar 272026-09-03
- Odas buoy temporarily established until 21 aug 27 in 21-34.20S 040-43.62W2026-08-21
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sep2026-04-02
- Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 262026-03-13
- Odas buoy temporarily established in 21-46.26S 040-32.28W2024-09-19
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
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 55.3 nm
- Underwater operations 0800Z to 1800Z daily 26 sep thru 10 oct by M/V comando b in 20-23.78S 040-09.43WSurveys · 77.4 nm
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 96.3 nm
- Foul ground until 06 dec 27 in area bound by 19-53.87S 039-59.68W, 19-54.15S 039-59.27W, 19-53.08S…Wrecks · 109.1 nm
- Underwater operations 0800Z to 1800Z daily 26 sep thru 10 oct by M/V comando b in 19-51.63S 039-56.90WSurveys · 111.6 nm
Worldwide in the collected sources
137 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-01 19:44Z; 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.