A southwesterly, very strong and very variable flow prevails over the whole area.
For Concarneau :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fog developing into low cloud during the morning, skies clearing in the afternoon. The risk of seeing rain will remain low. In the evening, good clear periods but lots of cloud, too.
No precipitation. SSE force 2 turning SSW in the middle of the day then WSW. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from SW. Visibility reduced by fog becoming reduced by mist in the middle of the day then poor.