A southeasterly, moderate and very variable flow prevails over the whole area.
For Plage de Portrieux :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation. In the evening, clear skies.
SE force 4 in the morning turning S force 3 in the evening. Gusts reaching 19 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from N. Excellent visibility becoming good in the evening.