A westerly, very strong and variable flow prevails over the whole area.
For Dinan :
Warning moderate gale offshore.
We are 90% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Overcast skies. Risk of some spots of rain in the morning, showers in the afternoon. In the evening, cloudy spells, sometimes dense.
No precipitation. S force 4 turning WNW in the middle of the day then WSW force 3. Gusts reaching 28 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Excellent visibility becoming good in the evening.