A southwesterly, strong and very variable flow prevails over the whole area.
For Plage de Portrieux :
Warning strong breeze offshore.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies very cloudy to overcast in the morning, skies clearing in the afternoon. Showers will be frequent and heavy. In the evening, relatively clear skies becoming changeable.
S force 3 in the morning freshening NW force 5 in the middle of the day. Gusts reaching 32 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from NNW then from N in the middle of the day then from NNE. Poor visibility becoming excellent in the middle of the day then excellent.