A southeasterly, strong and very variable flow prevails over the North of the basin. Over the South, it is westerly, very strong and very variable.
For Biscarrosse :
Warning moderate gale offshore.
The reliability of the situation is assessed at 80%.
Very cloudy skies with short clear spells. Light showers all day. In the evening, clear periods developing.
Chance of light rain. SSE force 4 turning SSW force 5 in the middle of the day then becoming force 4. Gusts reaching 35 knots in the middle of the day. Rough sea. Moderate, long swell from W. Excellent visibility becoming excellent in the middle of the day.