A northwesterly, moderate and very variable flow prevails over the East of the basin. Over the West, it is southerly, very strong and very variable.
For Plage de Portrieux :
Warning strong breeze offshore.
The reliability of the situation is assessed at 90%.
Good clear periods but lots of cloud, too. No precipitation. In the evening, overcast skies.
No precipitation. NNE force 5 in the middle of the day weakening SSW force 3 in the evening. Gusts reaching 28 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, short swell from SE. Excellent visibility.