A northerly, moderate and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and very variable.
For Arcachon :
No gale warning.
The reliability of the situation is assessed at 80%.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
E force 2 in the morning turning NW force 3 in the middle of the day. Gusts reaching 18 knots in the middle of the day. Smooth sea. Low, short swell from WNW. Excellent visibility.