For Plage Centrale de Biscarrosse :
No gale warning.
For the night from Thursday to Friday NW wind force 2 continuing all night. Gusts reaching 12 knots in the early part of the night.
Slight sea. Low, fairly long swell from WNW. Excellent visibility. Daytime of Friday 21 august : The unstable weather will die away during the day.
Good clear periods alternating with cloudy spells, sometimes dense. Light showers progressively dying out in the morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Light showers. WNW force 2 becoming force 3 in the middle of the day then NW. Gusts reaching 12 knots in the evening. Slight sea. Low, fairly long swell from WNW. Excellent visibility.