A northerly, weak and particularly variable flow prevails over the whole area.
For Plage Centrale de Biscarrosse :
No gale warning.
For the night from Saturday to Sunday NNW force 2 becoming NW force 1 in the middle of the night then WNW. Gusts reaching 10 knots in the early part of the night.
Slight sea. Low, short swell from WNW. Good visibility becoming good in the middle of the night then good. Daytime of Sunday 23 august : The atmosphere will remain unstable.
Skies changeable to very cloudy. Light showers all day. In the evening, cloudy spells, sometimes dense.
Possibility of showers WNW force 1 freshening force 3 in the middle of the day then becoming NW. Gusts reaching 11 knots in the evening. Slight sea. Low, fairly long swell from WNW. Good visibility becoming excellent in the middle of the day.