A northwesterly, moderate and very variable flow prevails over the whole area.
For Port de Biscarrosse :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Overcast skies. Chance of light rain. In the evening, clear periods developing.
Showers. WSW force 3 in the middle of the day turning WNW in the evening. Gusts reaching 23 knots in the middle of the day. Slight sea becoming moderate in the evening. Low, fairly long swell from WNW then moderate in the evening. Excellent visibility becoming poor in the evening.