A northeasterly and mostly variable flow prevails over the North of the basin. Over the South, it is northwesterly, moderate and mostly variable.
For Seignosse-le-penon-plage :
Warning strong breeze offshore.
We are 75% sure of the situation, because hail may not be as easy to predict.
Stormy day. Lots of heavy hailstorms. In the evening, storms developing.
Violent showers . warning: hail! W force 3 in the morning becoming WNW force 4 in the middle of the day. Gusts reaching 25 knots in the evening. Slight sea. Low, short swell from W. Poor visibility becoming excellent in the middle of the day.