A northwesterly, very strong and variable flow prevails over the whole area.
For Port de Biscarrosse :
Warning strong gale offshore.
The reliability of the situation is assessed at 80%.
Very cloudy skies with short clear spells. Showers all day. In the evening, very cloudy skies to overcast.
Light showers progressively becoming less frequent. W wind force 6 continuing all day. Gusts reaching 58 knots in the middle of the day. Very rough to high sea. Moderate, fairly long swell from WNW then low from N in the middle of the day then high, fairly long swell from WNW. Good visibility becoming excellent in the middle of the day.