An easterly, moderate and mostly variable flow prevails over the South and the West of the basin. Over the North-East, it is westerly, moderate and mostly variable.
For Pornichet :
Warning strong breeze offshore.
The reliability of the situation is assessed at 95%.
Warm sun all day. In the evening, clear skies.
ENE force 3 in the morning temporarily force 4 in the middle of the day. Gusts reaching 21 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from WSW. Good visibility becoming excellent in the middle of the day.