A westerly, very strong and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
Warning strong gale offshore.
The reliability of the situation is assessed at 80%.
For the night from Thursday to Friday S force 6 turning SW in the middle of the night then WSW force 7. Gusts reaching 57 knots at the end of the night.
Slight sea. Low, fairly long swell from W. Excellent visibility. Daytime of Friday 23 october : The atmosphere will remain unstable.
Skies very cloudy to overcast in the morning, cloud and sun in the afternoon. Light showers all day. In the evening, lots of good clear periods.
No precipitation. W force 8 becoming WNW force 7 in the middle of the day then force 5. Gusts reaching 60 knots in the morning. Slight sea. Low, short swell from WNW. Excellent visibility.