A southwesterly, strong and variable flow prevails over the whole area.
For Saint Guénolé :
Warning strong breeze offshore.
We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Very cloudy skies to overcast. Fairly heavy showers for a time. In the evening, very cloudy skies to overcast.
Chance of light rain. SW force 4 in the morning temporarily force 5 in the middle of the day. Gusts reaching 30 knots in the middle of the day. Rough sea. Moderate, fairly long swell from SW. Excellent visibility becoming excellent in the evening.