An easterly and mostly variable flow prevails over the whole area.
For Vieux-Boucau :
No gale warning.
We are 90% sure of the situation, because the fog may lift more quickly than forecast.
Fog developing into low cloud during the morning, cloud and sun in the afternoon. No precipitation. In the evening, cloudy and humid with a risk of fog.
No precipitation. ESE force 2 turning NW in the middle of the day then NE. Gusts reaching 7 knots in the morning. Slight sea. Low, long swell from WNW. Visibility reduced by fog becoming good in the middle of the day then reduced by fog.