A southeasterly, strong and very variable flow prevails over the whole area.
For Plage de Riez :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny spells with possibility of mist forming in the morning, some sun but cloud building in the afternoon. No precipitation. In the evening, very cloudy skies to overcast.
Chance of light rain. E wind force 3 continuing all day. Gusts reaching 16 knots in the evening. Smooth to slight sea. Low, short swell from S. Visibility reduced by mist becoming excellent in the middle of the day.