A westerly, very strong and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
Warning fresh gale offshore.
The reliability of the situation is poor.
For the night from Thursday to Friday SSW force 6 in the early part of the night turning WSW. Gusts reaching 44 knots at the end of the night.
Moderate sea becoming rough at the end of the night. Low from N then fairly long from W at the end of the night. Excellent visibility. Daytime of Friday 23 october : The atmosphere will remain unstable.
Bright spells increasing during the morning, cloud and sun in the afternoon. Showers all day. In the evening, good clear periods but cloud building.
Possibility of showers W force 6 in the morning becoming force 5 in the evening. Gusts reaching 46 knots in the morning. Rough sea becoming moderate in the middle of the day. Low, fairly long swell from WSW. Excellent visibility.