A southerly, 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 80%.
Very cloudy skies to overcast. Risk of showers in the morning, no precipitation in the afternoon. In the evening, overcast skies.
No precipitation. SSE force 4 in the morning turning SSW force 3 in the evening. Gusts reaching 27 knots in the morning. Smooth to slight sea becoming smooth in the middle of the day. Low, fairly long swell from N then from N in the middle of the day then from N. Excellent visibility becoming good in the evening.