For Lac de Serre-Poncon : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Overcast with reduced visibility in the morning, very cloudy skies becoming totally covered in the afternoon. Drizzle intensifying and turning to rain in the morning, possibility of a few spots in the afternoon.
In the evening, overcast skies. Showers towards the end of the night. NE force 2 turning W force 1 in the middle of the day then WSW. Gusts reaching 9 knots in the morning. Visibility reduced by mist becoming excellent in the middle of the day then poor.