A northwesterly, moderate and variable flow prevails over the whole area.
For Penthièvre :
No gale warning.
We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloud and long sunny periods. The risk of seeing rain will remain low. In the evening, lots of good clear periods.
No precipitation. NW wind force 3 continuing all day. Gusts reaching 19 knots in the evening. Slight sea. Low, short swell from W. Good visibility becoming excellent in the middle of the day.