A northerly, strong and mostly variable flow prevails over the South of the basin. Over the North, it is westerly, strong and mostly variable.
For Plage d"Arcachon :
No gale warning.
The reliability of the situation is assessed at 90%.
Warm sun all day. In the evening, clear skies becoming somewhat cloudy.
NE force 2 freshening NW force 4 in the middle of the day then becoming NNW. Gusts reaching 20 knots in the evening. Rippled sea becoming smooth in the middle of the day. Low, short swell from NW. Excellent visibility.