A westerly, moderate and very variable flow prevails over the whole area.
For Tréguier :
No gale warning.
We are 70% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Very cloudy skies to overcast. Risk of showers in the early hours. In the evening, skies with few clouds.
Chance of light rain. WNW wind force 4 from the middle of the day. Gusts reaching 22 knots in the evening. Slight sea. Low, short swell from WNW. Excellent visibility becoming poor in the evening.