NAVAREA VIII 1185/26
SÉCURITÉSeismic survey by SW DUCHESS off Chennai, India east coast 10-24 Nov 2026
Activeuntil 24 Nov 2026, 18:30 UTC (in 14 days)Issued 09 Nov 2026, 10:09 UTC
Warning text
Positions open on the mapINDIA EAST COAST - OFF CHENNAI (.) CHARTS IN 32 391 INT 754 (.) SW DUCHESS
WILL CARRY OUT SEISMIC SURVEY FROM 10 TO 24 NOV 26 IN AREA BOUNDED BY 14-12.00N 081-13.00E, 13-34.00N 081-51.00E, 13-12.00N 081-26.00E, 13-50.00N 080-48.00E
2. CANCEL THIS MSG 241830 UTC NOV 26
Location map
Open on the full mapAnalysis
Activeuntil 24 Nov 2026, 18:30 UTC (in 14 days)The seismic survey vessel SW DUCHESS will carry out seismic survey operations in an area off Chennai on the India east coast. Activity is scheduled from 10 November to 24 November 2026. The message cancels itself at 241830 UTC NOV 26.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- India east coast, off Chennai
- Validity
- From 10 Nov 2026, 00:00 UTC
Until 24 Nov 2026, 18:30 UTCFROM 10 TO 24 NOV 26. CANCEL THIS MSG 241830 UTC NOV 26 - Activity periods
- 10 Nov 2026, 00:00 UTC - 24 Nov 2026, 18:30 UTC (Seismic survey operations in the stated area)
- Hazards
- seismic survey, towed seismic gear, survey vessel operations
Worked out automatically from the warning text on 09 Nov 2026, 12:08 UTC. It can be wrong: the official warning text is the authority.
The whole analysis comes with Lagom
This warning's analysis also has:
- Action for mariners
- Ships named
- Charts
- Translations
- Nearby lights and rescue centres
The action for mariners, the keep-clear distance, contacts, ships named, translations and the nearby lights and rescue centres come with Lagom and every higher plan, and with the API plans. The official warning text above is always free.
Keywordsseismic survey
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