307/2026
Received: 13 Oct 2026, 14:54Updated: 2 Nov 2026, 08:25
analysis
ActiveScientific buoy deployment by divers in the Rade de Brest near Maison Blanche
Divers will deploy scientific instruments and buoys along the south jetty and the outer west jetty of the Rade de Brest at Maison Blanche. Activity is planned on 14 October 2026 during the afternoon. Two positions are given for the work area. Mariners should expect divers and scientific apparatus in the water and navigate with caution.
Navigate with caution, keep a good lookout for divers and equipment, reduce speed and give the work areas a wide berth.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/survey/
- Location
- Rade de Brest, Jetée Sud and outer West Jetty (Maison Blanche)
- Validity
- From 14 Oct 2026, 00:00 UTC
Valid from 14 Oct 2026 - Activity periods
- ? - ? (Operations planned on 14/10/2026 in the afternoon (en cours d'après-midi))
- Hazards
- scientific buoy deployment, diver operations, instruments in the water
Coast stations for this area
- RCCMRCC EtelFranceMMSI 00227500068 NM from the area
- RCCMRSC BrixhamUnited KingdomMMSI 002320013128 NM from the area
- RCCMRCC JobourgFrance130 NM from the area
- DSCDSC Station CorsenMRCC CorsenFranceMMSI 002275300VHF 27, MF 140range 140 NM11 NM from the area
- DSCDSC Station Pointe du RazMRCC CorsenFranceMMSI 002275300VHF 24range 24 NM21 NM from the area
- DSCDSC Station Stiff OuessantMRCC CorsenFranceMMSI 002275300VHF 33, MF 140range 140 NM22 NM from the area
- DSCDSC Station Batz IslandMRCC CorsenFranceMMSI 002275300VHF 27range 27 NM31 NM from the area
- DSCDSC Station Pen MarchMRCC EtelFranceMMSI 002275000VHF 28range 28 NM34 NM from the area
Generated automatically from the warning text on 13 Oct 2026, 15:07 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
Lang
Area: RADE DE BREST
Locality: Jetée Sud, Maison Blanche
Valid from 14 Oct 2026
SCIENTIFIC_BUOY_APPARATUS
Des opérations de mise à l'eau d'instruments scientifiques par plongeurs auront lieu le long de la jetée sud et de la jetée ouest extérieure de la rade abri le mercredi 14/10/2026 en cours d'après-midi.
Les points concernés sont les suivants :
- 48-21.77N // 004-31.20W
- 48-21.94N // 004-30.14W