A northeasterly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and very variable.
For Saint-Brevin-Les-Pins :
No gale warning.
The reliability of the situation is poor.
For the night from Sunday to Monday NNE wind force 3 continuing all night. Gusts reaching 15 knots in the middle of the night.
Smooth to slight sea. Low, short swell from W. Excellent visibility. Daytime of Monday 24 august : The weather will be good.
Sunny despite some cloudy spells but no rain. In the evening, good clear periods but cloud building.
No precipitation. NE force 3 in the morning turning NNW force 2 in the evening. Gusts reaching 15 knots in the morning. Smooth to slight sea becoming smooth in the middle of the day. Low, short swell from WNW. Excellent visibility becoming excellent in the middle of the day.