For La Grande Montagna :
Warning strong breeze.
The reliability of the situation is assessed at 85%.
Very cloudy skies. Becoming more changeable for a time in the morning. Showers all day. In the evening, very cloudy skies becoming totally overcast.
Showers. W force 6 becoming force 5 in the middle of the day then force 4. Gusts reaching 60 knots in the middle of the day. Rough to very rough sea becoming very rough in the evening. Low, fairly long swell from NNW. Excellent visibility.