A southwesterly, moderate and very variable flow prevails over the whole area.
For Dinan-Lanvallay :
No gale warning.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Little cloud in the morning, very cloudy in the afternoon. No precipitation in the morning, light showers in the afternoon. In the evening, very cloudy.
Possibility of showers WSW force 3 turning WNW in the middle of the day then NW. Gusts reaching 22 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from NW. Poor visibility becoming excellent in the middle of the day.