A southeasterly, moderate and very variable flow prevails over the whole area.
For Marans :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sun but cloud increasing in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
E force 3 in the morning becoming ENE force 4 in the evening. Gusts reaching 21 knots in the evening. Smooth sea. Low, fairly long swell from W. Excellent visibility.