A westerly, 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.
Clear periods developing. No precipitation. In the evening, clear spells, risk of mist forming.
No precipitation. S force 2 in the middle of the day turning ESE in the evening. Gusts reaching 12 knots in the middle of the day. Slight sea. Low, fairly long swell from SW. Poor visibility becoming reduced by fog in the evening.