A northerly flow prevails over the South of the basin. Over the North, it is southerly, moderate and mostly variable.
For Vieux-Boucau :
No gale warning.
We are 90% sure of the situation, because flows might be far more disturbed than forecast.
Mist and fog in the morning, very cloudy in the afternoon. No precipitation. In the evening, relatively clear skies becoming changeable.
NW force 3 becoming force 2 in the middle of the day then N. Gusts reaching 15 knots in the morning. Slight sea. Low, fairly long swell from WNW. Visibility reduced by mist becoming good in the middle of the day then poor.