For Les dunes :
No gale warning.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Skies changeable to very cloudy. Light showers all day. In the evening, skies with few clouds.
WSW wind force 3 continuing all day. Gusts reaching 17 knots in the middle of the day. Slight sea. Low, fairly long swell from NNE. Excellent visibility.