A northwesterly, moderate and variable flow prevails over the whole area.
For Biarritz :
Warning strong breeze offshore.
The reliability of the situation is assessed at 80%.
For the night from Monday to Tuesday S wind force 1 continuing all night. Gusts reaching 5 knots.
Slight sea. Low, fairly long swell from NW. Excellent visibility. Daytime of Tuesday 15 september : The largely blue sky won.t last.
Sun in the morning, sunny, progressively clouding over in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
Light showers. SSW force 3 in the morning turning W force 4 in the middle of the day. Gusts reaching 29 knots in the middle of the day. Slight sea becoming moderate in the middle of the day. Low, fairly long swell from NW. Excellent visibility.