A northeasterly, moderate and variable flow prevails over the whole area.
For Penthièvre :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
ENE force 3 turning ESE in the middle of the day then WNW. Gusts reaching 18 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from WSW. Excellent visibility.