A southwesterly, very strong and very variable flow prevails over the whole area.
For Plage de Portrieux :
Warning strong breeze offshore.
The reliability of the situation is assessed at 90%.
Skies changeable to very cloudy. No precipitation. In the evening, cloudy spells, sometimes dense.
No precipitation. SSW force 4 becoming force 5 in the middle of the day then SW. Gusts reaching 33 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from N. Good visibility becoming excellent in the middle of the day.