A southerly, strong and mostly variable flow prevails over the whole area.
For Saint Guénolé :
No gale warning.
We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.
Cloud and sun in the morning, very cloudy skies to overcast in the afternoon. The risk of seeing rain will remain low. In the evening, good clear periods but lots of cloud, too.
No precipitation. W force 5 weakening force 3 in the middle of the day then becoming SSW. Rough sea becoming moderate in the middle of the day. Moderate, fairly long swell from W. Excellent visibility.