An easterly, weak and very variable flow prevails over the South-East of the basin. Over the North, it is southerly, moderate and mostly variable. Over the South-West, it is westerly, moderate and mostly variable.
Für Arcachon :
No gale warning.
We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.
Changeable skies becoming fairly cloud-free in the morning, sunny in the afternoon. No precipitation. In the evening, relatively clear skies becoming changeable.
NE force 3 turning WSW in the middle of the day then WNW. Gusts reaching 17 knots in the evening. Smooth sea. Low, long swell from WNW. Excellent visibility becoming good in the evening.