A northwesterly, very strong and very variable flow prevails over the whole area.
For Auray - Saint-Goustan :
Warning moderate gale offshore.
We are 75% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Dark, overcast skies with cloud and bad weather. Showers all day. In the evening, overcast skies.
Spells of light rain during the night. WSW force 3 freshening force 5 in the middle of the day then becoming WSW. Gusts reaching 40 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from WSW. Excellent visibility.