For Lac de Serre-Poncon : No gale warning.
The reliability of the situation is assessed at 90%.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation.
In the evening, skies with few clouds. E force 1 turning W force 2 in the middle of the day then SSW. Gusts reaching 12 knots in the middle of the day. Excellent visibility.