A westerly, moderate and very variable flow prevails over the whole area.
For Port-Donnant :
No gale warning.
The reliability of the situation is assessed at 85%.
Cloud and sun in the morning, increasing sunny spells in the afternoon. Risk of some spots of rain in the morning, some intermittent drizzle in the afternoon. In the evening, changeable skies becoming less cloudy.
Light showers progressively becoming less frequent. W force 3 in the morning becoming WNW force 4 in the middle of the day. Gusts reaching 24 knots in the evening. Slight sea. Low, short swell from SW. Excellent visibility.