A northerly and moderate flow prevails over the whole area.
For Penthièvre :
No gale warning.
We are 90% sure of the situation, because the cloud system may be more intense than predicted.
Skies changeable to very cloudy. No precipitation. In the evening, clear periods developing.
No precipitation. NW force 3 turning W force 4 in the middle of the day then N. Gusts reaching 20 knots in the middle of the day. Smooth to slight sea. Low, short swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day.