A northeasterly, strong and very variable flow prevails over the whole area.
For Les Sables-d"Olonne :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Bright spells increasing during the morning, sunny becoming changeable in the afternoon. Light showers progressively dying out in the morning, no precipitation in the afternoon. In the evening, good clear periods but cloud building.
No precipitation. ESE force 3 turning SSE in the middle of the day then NNE. Gusts reaching 16 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from S. Excellent visibility becoming excellent in the middle of the day.