S 8850/26
SÉCURITÉDiving and underwater operations near 23-54.75S 045-33.73W, 15 Sep-13 Oct
No longer in forceReceived 18 Sept 2026, 08:42 UTCArchived 14 Oct 2026, 17:01 UTC
Warning text
Positions open on the mapCHART 1640
UNDERWATER OPERATIONS DIVERS WORKING
15 SEP 26 TO 13 OCT 26
07:30 TO 20:00
BY BIG JOHN, REI ALBERTO, UNIQUE I AND MAERSK CURACAO
IN 23-54.75S 045-33.73W
CANCEL LOCAL S 8846/26
CANCEL THIS WARNING 132100 UTC OCT 26.
Location map
Open on the full mapAnalysis
No longer in forceDiving and underwater works are being carried out by support vessels Big John, Rei Alberto, Unique I and Maersk Curacao at 23-54.75S 045-33.73W. Operations are reported from 15 Sep 2026 to 13 Oct 2026, daily 07:30 to 20:00 (times given in the message). This warning cancels LOCAL S 8846/26 and will cancel itself at 13 Oct 2026 21:00 UTC.
Keep clear of the operations area, navigate with caution, reduce speed and maintain a good lookout.
- Type
- Offshore operations · severity moderate
- Feed
- Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
- Location
- offshore at 23-54.75S 045-33.73W
- Validity
- From 15 Sept 2026, 07:30 UTC
Until 13 Oct 2026, 21:00 UTC15 SEP 26 TO 13 OCT 26 07:30 TO 20:00 ... CANCEL THIS WARNING 132100 UTC OCT 26. - Activity periods
- 15 Sept 2026, 07:30 UTC - 13 Oct 2026, 20:00 UTC (Daily 07:30-20:00 (times given in message; treated as UTC))
- Hazards
- divers, underwater operations, work vessels in area
- Cancels
- LOCAL S 8846/26
- Charts
- CHART 1640
Vessels involved
- BIG JOHN · support vessel
- REI ALBERTO · support vessel
- UNIQUE I · support vessel
- MAERSK CURACAO · support vessel
Coast stations for this area
- RCCMRCC BrazilBrazil145 NM from the area
- DSCDSC Station Rio RadioMRCC BrazilBrazilMMSI 007100001HF118 NM from the area
Worked out automatically from the warning text on 27 Sept 2026, 21:48 UTC. It can be wrong: the official warning text is the authority.