A westerly, strong and very variable flow prevails over the whole area.
For Plage de Portrieux :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, fair weather with mostly clear skies.
N force 2 becoming NNE force 3 in the middle of the day then N. Gusts reaching 14 knots in the evening. Smooth to slight sea becoming smooth in the middle of the day. Low, short swell from N. Good visibility becoming excellent in the middle of the day.