A northerly and mostly variable flow prevails over the East of the basin. Over the West, it is southeasterly, moderate and mostly variable.
For Grève de Traou Treiz :
No gale warning.
The reliability of the situation is assessed at 95%.
Fair weather with mostly clear skies. In the evening, light cloudy spells.
ENE force 3 turning NNE force 4 in the middle of the day then becoming force 3. Gusts reaching 20 knots in the middle of the day. Smooth to slight sea. Low, short swell from NE. Good visibility becoming excellent in the middle of the day then good.