1651/2026
Sea trials of experimental hydrophone in Baie de Seine (Antifer), 13-23 Nov 2026
Warning text
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Activeuntil 23 Nov 2026, 23:59 UTC (in 9 days)A sea trial campaign of an experimental acoustic hydrophone buoy is taking place during a transit between Cherbourg and Ouistreham. Activity is inside a rectangular area in the Baie de Seine (Antifer). The campaign is valid from 13 Nov 2026 to 23 Nov 2026. Vessels are advised to navigate with caution.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- Antifer, Baie de Seine
- Validity
- From 13 Nov 2026, 00:00 UTC
Until 23 Nov 2026, 23:59 UTCValid from 13 Nov 2026 to 23 Nov 2026 - Activity periods
- 13 Nov 2026, 00:00 UTC - 23 Nov 2026, 23:59 UTC (Sea trial campaign of an experimental acoustic hydrophone during transit between Cherbourg and Ouistreham)
- Hazards
- scientific buoy/apparatus, experimental acoustic hydrophone trials
Worked out automatically from the warning text on 13 Nov 2026, 20:53 UTC. It can be wrong: the official warning text is the authority.
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- Action for mariners
- 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.