A northerly and 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, skies with few clouds. W force 2 freshening N force 4 in the middle of the day then force 3. Gusts reaching 20 knots in the middle of the day. Rippled sea becoming smooth in the middle of the day then smooth to slight. Low, short swell from N then from NNE in the evening. Excellent visibility becoming excellent in the evening.