A southwesterly, strong and very variable flow prevails over the whole area.
For Biarritz :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy to overcast in the morning, cloud and sun in the afternoon. The risk of seeing rain will remain low. In the evening, clear periods developing.
No precipitation. SSE force 1 turning NNW force 2 in the middle of the day then NE. Gusts reaching 8 knots in the middle of the day. Slight sea becoming moderate in the evening. Low, fairly long swell from NW then moderate in the evening. Good visibility becoming excellent in the middle of the day then reduced by mist.