A westerly, strong and mostly variable flow prevails over the whole area.
For La Roche-Bernard :
No gale warning.
We are 90% sure of the situation, because flows might be far more disturbed than forecast.
Very cloudy skies to overcast. The risk of seeing rain will remain low. In the evening, very cloudy.
No precipitation. WSW force 3 in the morning turning SSW force 2 in the evening. Gusts reaching 18 knots in the middle of the day. Smooth sea. Low, short swell from SW. Good visibility becoming excellent in the middle of the day then reduced by mist.