A southwesterly, strong and variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
Warning moderate gale offshore.
The reliability of the situation is assessed at 85%.
Fog developing into low cloud during the morning, very cloudy skies becoming totally covered in the afternoon. Light showers all day. In the evening, overcast skies.
Showers. S force 3 becoming SSE force 4 in the middle of the day then force 5. Gusts reaching 36 knots in the evening. Slight sea. Low, long swell from WSW. Visibility reduced by fog becoming excellent in the middle of the day then excellent.