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.
Very cloudy skies clearing completely. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. S wind force 3 from the middle of the day. Gusts reaching 12 knots. Smooth to slight sea. Low, fairly long swell from N then from N in the evening. Excellent visibility becoming good in the evening.