An easterly, moderate and very variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and very variable.
For Dinan-Lanvallay :
No gale warning.
We are 65% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.
Cloudy spells, dense at times in the morning, skies clouding over with storms forming in the afternoon. Risk of showers in the morning, light showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers E force 2 turning S force 3 in the middle of the day then SW. Gusts reaching 17 knots in the middle of the day. Smooth to slight sea becoming smooth in the middle of the day. Low, short swell from NNE then from NNW in the evening. Visibility reduced by mist becoming excellent in the middle of the day then good.