A northeasterly, weak and very variable flow prevails over the South of the basin. Over the North, it is northwesterly, moderate and particularly variable.
For Plage Centrale de Biscarrosse :
No gale warning.
For the night from Wednesday to Thursday N force 2 becoming force 1 in the middle of the night then NNW. Gusts reaching 14 knots in the early part of the night.
Slight sea. Low, short swell from NW. Excellent visibility becoming good in the middle of the night then good. Daytime of Thursday 20 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes dense. Risk of showers in the morning, possibility of a few spots in the afternoon. In the evening, cloudy spells, sometimes dense.
Showers towards the end of the night. NNW force 1 freshening force 3 in the middle of the day then becoming NNW. Gusts reaching 13 knots in the evening. Slight sea. Low, short swell from NW. Good visibility becoming excellent in the middle of the day then good.
