HA31

SÉCURITÉ

Seismic survey off Porbandar by Oceanic Sirius and Mainport Cedar, 9 Nov-24 Dec 2026

No longer in forceReceived 08 Nov 2026, 00:00 UTCArchived 11 Nov 2026, 10:43 UTC

Warning text

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INDIAN NAV WARNING (INW) 951. OFF PORBANDAR CHARTS IN 21 292 OCEANIC SIRIUS AND MAINPORT CEDAR WILL CARRY OUT SEISMIC SURVEY FROM 09 NOV TO 24 DEC 26 IN AREA BOUNDED BY 22-00.00N 068-05.00E, 21-11.00N 068-36.00E, 20-55.00N 067-55.00E, 21-44.00N 067-26.00E

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Analysis

No longer in force

Two vessels will conduct a seismic survey area off Porbandar bounded by four positions. Activity is scheduled from 09 November 2026 to 24 December 2026. Mariners should expect tows and survey gear in the area and take precautions.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: Off Porbandar
Validity: From 09 Nov 2026, 00:00 UTC
Until 24 Dec 2026, 23:59 UTCFROM 09 NOV TO 24 DEC 26
Activity periods: 09 Nov 2026, 00:00 UTC - 24 Dec 2026, 23:59 UTC (seismic survey)
Hazards: seismic survey, towed seismic equipment

Worked out automatically from the warning text on 08 Nov 2026, 12:35 UTC. It can be wrong: the official warning text is the authority.

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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.

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Keywordsseismic survey

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