A northwesterly, moderate and very variable flow prevails over the whole area.
For Plage de Port Biren :
Warning strong breeze offshore.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloudy spells, sometimes dense. Possibility of showers In the evening, cloudy spells, sometimes dense.
Possibility of showers WNW wind force 4 from the middle of the day. Gusts reaching 21 knots. Smooth sea. Low, short swell from WSW. Excellent visibility.