2185/26
SÉCURITÉReceived: 31 Oct 2026, 13:07Active until: 31 Jul 2027, 21:00Updated: 4 Nov 2026, 19:33
analysis
Activeuntil 31 Jul 2027, 21:00 UTC (in 269 days)Underwater operations off Brazil near 23S, daily 1000-2000 UTC until 31 Jul 2027
Underwater operations by M/V DEEP BLUE and M/V BIGROLL BISCAY are taking place off the coast of Brazil in the area around 23S 040W. Operations are scheduled daily 1000-2000 UTC from 01 Nov (presumed 2026) through 31 Jul 2027. Mariners are requested to give the work area a wide berth. Message cancels itself at 312100Z JUL 27.
Give the work area a wide berth and navigate with caution.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/survey/
- Location
- South Atlantic, off Brazil (area around 23S 040W)
- Validity
- From 01 Nov 2026, 10:00 UTC
Until 31 Jul 2027, 21:00 UTC1000Z TO 2000Z DAILY 01 NOV THRU 31 JUL 27. CANCEL THIS MSG 312100Z JUL 27. - Activity periods
- 01 Nov 2026, 10:00 UTC - 31 Jul 2027, 20:00 UTC (daily 1000-2000 UTC from 01 Nov thru 31 Jul 27)
- Hazards
- underwater operations
Vessels involved
- M/V DEEP BLUE · work vessel
- M/V BIGROLL BISCAY · work vessel
Coast stations for this area
- RCCMRCC BrazilBrazil170 NM from the area
- DSCDSC Station Rio RadioMRCC BrazilBrazilMMSI 007100001HF197 NM from the area
Generated automatically from the warning text on 04 Nov 2026, 19:51 UTC. It can be wrong: the original warning below is the authoritative text.
Keywords
- OperationsUNDERWATER OPERATIONS, wide berth requested
Message content
SOUTH ATLANTIC.
BRAZIL.
1. UNDERWATER OPERATIONS 1000Z TO 2000Z DAILY
01 NOV THRU 31 JUL 27
BY M/V DEEP BLUE, M/V BIGROLL BISCAY
IN:
A. 23-20.75S 040-08.10W
B. 23-23.03S 040-04.41W
C. 23-23.05S 040-06.01W
D. 23-24.45S 040-05.23W
E. 23-20.06S 040-09.09W
F. 23-19.75S 040-09.53W
G. 23-20.05S 040-09.91W
H. 23-20.36S 040-11.01W
I. 23-17.78S 040-13.45W
J. 23-17.80S 040-13.43W
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 312100Z JUL 27.