An easterly, strong and mostly variable flow prevails over the whole area.
For Saint-Jean-de-Monts :
Warning strong breeze offshore.
We are 90% sure of the situation, because the cloud system could clear up more slowly than forecast.
Cloudy spells, sometimes dense. No precipitation. In the evening, skies with few clouds.
NE wind force 4 from the middle of the day. Gusts reaching 21 knots. Smooth to slight sea. Low, fairly long swell from SSW. Excellent visibility.