A southerly, very strong and very 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 rarer than forecast.
Cloud and long sunny periods. Light showers. In the evening, clear periods developing.
Light showers. SSW wind force 4 from the middle of the day. Gusts reaching 25 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility becoming good in the evening.