A northeasterly and particularly variable flow prevails over the whole area.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Saturday to Sunday NNE wind force 2 continuing all night. Gusts reaching 10 knots in the middle of the night.
Smooth to slight sea. Low, short swell from W. Good visibility becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Sunday 23 august : Warning:reduced visibility early in the day.
Sunny spells with possibility of mist forming in the morning, some sun but cloud building in the afternoon. Risk of some spots of rain in the morning, possibility of showers in late afternoon. In the evening, good clear periods but lots of cloud, too.
Light showers progressively becoming less frequent. NNE force 3 in the morning temporarily NNW in the middle of the day. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, fairly long swell from W. Visibility reduced by mist becoming excellent in the middle of the day then excellent.