A westerly, strong and mostly variable flow prevails over the whole area.
For Saint-Malo :
Warning fresh gale offshore.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Cloud and sun in the morning, very cloudy skies becoming totally covered in the afternoon. No precipitation in the morning, light showers in the afternoon. In the evening, very cloudy with risk of storms.
Showers with the possibility of hail. SW force 2 turning S force 3 in the middle of the day then becoming force 5. Gusts reaching 34 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from NW. Poor visibility becoming excellent in the middle of the day.