A southwesterly, strong and very variable flow prevails over the whole area.
For Carnac Plage :
Warning strong breeze offshore.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Good clear periods but with plenty of cloud in the morning, skies clouding over with storms forming in the afternoon. Light showers arriving in late morning, then dying out. In the evening, storms as night falls.
Showers with the possibility of hail. WSW force 4 in the morning becoming force 5 in the evening. Gusts reaching 31 knots in the evening. Slight sea. Low, fairly long swell from SSW. Excellent visibility.