A westerly, moderate and variable flow prevails over the whole area.
Für Les Sables-d"Olonne :
Warning strong breeze offshore.
The reliability of the situation is fairly good.
For the night from Monday to Tuesday NNE force 2 in the early part of the night turning E force 1. Gusts reaching 7 knots in the early part of the night.
Smooth to slight sea. Low, fairly long swell from SW. Excellent visibility. Daytime of Tuesday 15 september : The weather will be good.
Fair weather with mostly clear skies. In the evening, cloud and long sunny periods.
No precipitation. ENE force 1 freshening WNW force 4 in the middle of the day then becoming NW. Gusts reaching 25 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from WNW. Excellent visibility.