An easterly and very variable flow prevails over the whole area.
For Plage de Portrieux :
No gale warning.
We are 65% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clouding over with thunderstorms developing in the morning, sun and storm clouds in the afternoon. Risk of some spots of rain in the morning, light showers in the afternoon. In the evening, clear periods developing.
Chance of light rain. NNE wind force 3 continuing all day. Gusts reaching 16 knots in the middle of the day. Smooth to slight sea. Low, short swell from NNE. Poor visibility becoming excellent in the middle of the day then good.