A southwesterly, strong and very variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Mist and fog. No precipitation. In the evening, low cloud developing into fog.
No precipitation. WSW force 4 becoming SW force 3 in the middle of the day then SSW. Gusts reaching 18 knots in the morning. Slight sea. Low, fairly long swell from WSW. Visibility reduced by mist becoming reduced by mist in the middle of the day then reduced by fog.