A southwesterly, very strong and mostly variable flow prevails over the whole area.
Für Ile de Batz :
No gale warning.
We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.
Very cloudy skies with short clear spells. The risk of seeing rain will remain low. In the evening, good clear periods but lots of cloud, too.
No precipitation. SSW force 3 in the morning temporarily force 4 in the middle of the day. Gusts reaching 18 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Poor visibility becoming excellent in the middle of the day then poor.