High 1024 hPa centered on Brittany moving at 6 knots to the North-North-East to be centered on West Channel.
For Plage de Rohanic :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fairly clear skies progressively clouding over in the morning, good clear periods with lots of cloud in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. SSW force 3 turning WSW force 4 in the middle of the day then SW. Gusts reaching 24 knots in the middle of the day. Smooth to slight sea. Low, short swell from WNW. Poor visibility becoming excellent in the middle of the day.