For Barrage de Vieux Boucau :
No gale warning.
The reliability of the situation is assessed at 95%.
Fair weather with mostly clear skies. In the evening, clear skies.
E force 1 in the morning turning NNE force 2 in the middle of the day. Gusts reaching 12 knots from the middle of the day. Slight sea. Low, fairly long swell from WNW. Excellent visibility becoming excellent in the middle of the day.