337/2026
analysis
ActiveA newer Aids to navigation notice is available:340/2026
Two temporary special-mark buoys established at La Rance barrage (Casquets)
Two temporary special-mark buoys have been established upstream and downstream of the La Rance tidal power plant (Barrage de la Rance) in the Casquets area. Positions are given for a downstream buoy at 48-37.57N 002-01.62W and an upstream buoy at 48-36.70N 002-01.38W. No times or additional instructions are provided. Mariners are advised of the new marks and to navigate with caution near the barrage.
- 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)
Recurring series: Aids to navigation notice
Newer reports
Generated automatically from the warning text on 07 Nov 2026, 22:27 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.