A northwesterly, moderate and mostly variable flow prevails over the whole area.
For Plage d"Arcachon :
No gale warning.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Sunny becoming changeable in the afternoon. No precipitation. In the evening, relatively clear skies becoming changeable.
N force 3 in the morning turning NW force 4 in the middle of the day. Gusts reaching 20 knots in the middle of the day. Smooth sea. Low, short swell from WNW. Excellent visibility.