A westerly, strong and mostly variable flow prevails over the West and the North of the basin. Over the South-East, it is easterly, weak and particularly variable.
For Pornichet :
No gale warning.
We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.
Skies with few clouds covering over progressively. No precipitation. In the evening, very cloudy.
No precipitation. W force 2 in the middle of the day becoming force 3 in the evening. Gusts reaching 15 knots in the evening. Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility.