A northeasterly and very variable flow prevails over the South-West of the basin. Over the North and the East, it is southwesterly, strong and very variable.
For Marans :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny becoming changeable in the afternoon. No precipitation. In the evening, changeable skies becoming less cloudy.
No precipitation. ESE force 1 in the morning freshening WSW force 3 in the middle of the day. Gusts reaching 15 knots in the middle of the day. Smooth sea. Low, fairly long swell from W. Visibility reduced by mist becoming excellent in the middle of the day then poor.