A southwesterly, strong and very 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.
Skies changeable to very cloudy. No precipitation. In the evening, clear periods developing.
No precipitation. SW force 3 in the morning temporarily WSW force 4 in the middle of the day. Gusts reaching 20 knots in the middle of the day. Smooth to slight sea becoming slight in the evening. Low, fairly long swell from NW. Poor visibility becoming excellent in the middle of the day then good.