A southwesterly, moderate 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.
Good clear periods alternating with cloudy spells, sometimes dense. No precipitation. In the evening, skies with few clouds.
WSW force 3 in the morning turning WNW force 2 in the evening. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea. Low, short swell from WSW. Poor visibility becoming excellent in the middle of the day then poor.