A northwesterly, very strong and mostly variable flow prevails over the whole area.
For Grève de Traou Treiz :
Warning moderate gale offshore.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
In the evening, good clear periods but cloud building.
Showers. W wind force 5. Gusts reaching 33 knots in the evening. Moderate sea. Low, short swell from W. Excellent visibility.