3491/2026
Archivedanalysis
No longer in forceTwo special-mark buoys established at Rance tidal power station (Casquets)
Two temporary special-mark buoys have been established at the Rance tidal power station area, Casquets. One buoy is downstream of the power station and one upstream. Positions for both buoys are given in the message. No expiry time or contact details are provided.
- Type
- Aids to navigation · severity low
- Feed
- Aids to navigationAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/aton/
- Location
- CASQUETS, BARRAGE DE LA RANCE
- Hazards
- temporary special-mark buoys, new aids to navigation established
Generated automatically from the warning text on 09 Oct 2026, 14:57 UTC. It can be wrong: the original warning below is the authoritative text.
The whole analysis comes with Lagom
This warning's analysis also has:
- Action for mariners
- Lights and buoys affected
- 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.