A westerly, strong and mostly variable flow prevails over the whole area.
For Tréguier :
Warning strong breeze offshore.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Fairly clear skies progressively clouding over in the morning, very cloudy with possibility of thunder storms in the afternoon. No precipitation in the morning, light showers in the afternoon. In the evening, very cloudy skies to overcast.
Possibility of showers SW wind force 4 continuing all day. Gusts reaching 26 knots in the middle of the day. Slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day.