For Ile de Batz :
Warning strong breeze.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Very cloudy skies with short clear spells. Light showers all day. In the evening, good clear periods but lots of cloud, too.
Possibility of showers W wind force 6 continuing all day. Gusts reaching 36 knots in the evening. Moderate sea. Low, fairly long swell from S. Excellent visibility.