A northeasterly and very variable flow prevails over the South of the basin. Over the North, it is southwesterly, moderate and variable.
For Plage des 4 Vaulx :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Increasing clear spells. Skies becoming less cloudy in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. NNE wind force 3 continuing all day. Gusts reaching 17 knots in the evening. Smooth to slight sea. Low, fairly long swell from NNE then short from N in the evening. Poor visibility becoming excellent in the middle of the day then good.