A southerly, moderate and variable flow prevails over the North-East of the basin. Over the South and the West, it is westerly, strong and mostly variable.
For Plage de Port Biren :
Warning moderate gale offshore.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Predominantly sunny in the morning, skies clearing in the afternoon. Showers all day. In the evening, cloudy spells, sometimes dense.
No precipitation. S force 4 turning SW force 5 in the middle of the day then WNW force 3. Gusts reaching 33 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Good visibility becoming excellent in the middle of the day then good.