A northeasterly, moderate and variable flow prevails over the whole area.
For Plage de Longchamp :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, changeable skies becoming less cloudy.
No precipitation. ENE force 4 in the morning becoming NE force 5 in the evening. Gusts reaching 26 knots in the evening. Smooth to slight sea. Low, short swell from N then from NNW in the middle of the day then from NNW. Excellent visibility becoming excellent in the middle of the day then excellent.