A southeasterly, very strong and particularly variable flow prevails over the whole area.
For Roscoff - Vieux Port : Warning moderate gale offshore.
The reliability of the situation is assessed at 75%.
In the evening, very cloudy skies to overcast. Light rain followed by showers. S wind force 4. Gusts reaching 28 knots in the evening. Smooth to slight sea. Low, fairly long swell from NNW. Excellent visibility.
semaphore stations
Station Batz located 3 km from Roscoff - Vieux Port