For Lac de Montbel : No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloud and sun in the morning, overcast skies in the afternoon. No precipitation in the morning, light rain in late afternoon.
In the evening, overcast skies. Light rain followed by showers. WSW force 4 in the morning turning WNW in the middle of the day. Gusts reaching 30 knots in the middle of the day. Good visibility becoming excellent in the middle of the day then good.