A westerly, strong and very variable flow prevails over the whole area.
For Grève de Traou Treiz :
No gale warning.
We are 80% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Cloud and long sunny periods. No precipitation. In the evening, very cloudy.
No precipitation. W wind force 4 from the middle of the day. Gusts reaching 26 knots in the middle of the day. Slight sea. Low, short swell from WNW. Excellent visibility.