An easterly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and particularly variable.
For Saint-Brevin-Les-Pins :
No gale warning.
For the night from Thursday to Friday NNE force 2 in the early part of the night turning ENE. Gusts reaching 9 knots in the early part of the night.
Smooth to slight sea becoming smooth in the middle of the night. Low, fairly long swell from W then from N in the middle of the night. Excellent visibility. Daytime of Friday 25 september : The weather will be good.
Sunny despite some cloudy spells but no rain. In the evening, light cloudy spells.
E force 2 turning SSW in the middle of the day then NW force 1. Gusts reaching 9 knots all day. Smooth sea. Low from N. Excellent visibility.