For Lac de Montbel : No gale warning.
The reliability of the situation is assessed at 90%.
Overcast in the morning, skies clearing in the afternoon. Rain gradually becoming less frequent in the morning, no precipitation in the afternoon.
In the evening, cloud and long sunny periods. No precipitation. W force 5 becoming force 4 in the middle of the day then S force 2. Gusts reaching 38 knots in the morning. Excellent visibility.