A northerly, strong and very variable flow prevails over the West of the basin. Over the East, it is southerly, moderate and very variable.
For Vannes :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny despite some cloudy spells but no rain. In the evening, clear skies.
SE force 4 in the morning becoming ESE force 3 in the evening. Gusts reaching 21 knots until the middle of the day. Slight sea. Low, short swell from SW. Good visibility becoming excellent in the middle of the day then good.