A northerly and variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and very variable.
For Andernos-les-Bains :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. No precipitation. In the evening, light cloudy spells.
NNW force 2 turning WNW force 3 in the middle of the day then NW. Gusts reaching 18 knots in the evening. Smooth sea. Low, fairly long swell from WNW. Excellent visibility becoming excellent in the middle of the day.