A westerly and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, moderate and very variable.
For Plage d"Arcachon :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, skies with few clouds covering over progressively.
No precipitation. SSW force 2 turning WSW force 3 in the middle of the day then W force 4. Gusts reaching 23 knots in the evening. Rippled sea becoming smooth in the middle of the day. Low, short swell from WNW. Excellent visibility becoming good in the evening.