A northwesterly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and very variable.
For Plage de Portrieux :
Warning strong breeze offshore.
The reliability of the situation is assessed at 70%.
Very cloudy skies with short clear spells. A little intermittent drizzle in the morning, light showers in the afternoon. In the evening, lots of good clear periods.
No precipitation. SW force 4 turning W in the middle of the day then WNW. Gusts reaching 24 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from N. Excellent visibility.