A southwesterly, strong and very variable flow prevails over the whole area.
For Plage de Portrieux :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, clear periods developing.
No precipitation. SW wind force 3. Gusts reaching 13 knots in the evening. Slight sea. Low, long swell from NW. Good visibility.