A northwesterly, moderate and variable flow prevails over the whole area.
For Arcachon :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. The risk of seeing rain will remain low. In the evening, very cloudy.
Showers towards the end of the night. WNW wind force 3 continuing all day. Gusts reaching 20 knots from the middle of the day. Smooth sea. Low, short swell from NW. Excellent visibility becoming excellent in the evening.