A northeasterly, moderate and very variable flow prevails over the North-East of the basin. Over the South and the West, it is southwesterly, strong and very variable.
For Plage de Portrieux :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear periods developing. Risk of showers in the early hours. In the evening, skies with few clouds covering over progressively.
No precipitation. W force 3 in the middle of the day turning SSW in the evening. Gusts reaching 16 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, short swell from NW. Excellent visibility.