A westerly, moderate and variable flow prevails over the whole area.
For Tréguier :
No gale warning.
We are 70% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.
Cloud and long sunny periods. Chance of light rain. In the evening, clear spells, risk of mist forming.
No precipitation. WNW wind force 4 from the middle of the day. Gusts reaching 26 knots in the middle of the day. Slight sea. Low, fairly long swell from WNW. Excellent visibility becoming poor in the evening.