A southerly, strong and very variable flow prevails over the whole area.
For Dinan-Lanvallay :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies progressively hazing over in the morning, sunny becoming changeable in the afternoon. No precipitation. In the evening, clear periods developing.
No precipitation. E force 2 becoming ESE force 3 in the middle of the day then S force 2. Gusts reaching 14 knots in the middle of the day. Smooth sea. Low, short swell from NNE. Visibility reduced by mist becoming excellent in the middle of the day then poor.