High 1024 hPa centered on Brittany moving at 6 knots to the North-North-East to be centered on West Channel.
For Jullouville : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy.No precipitation.In the evening, very cloudy. Chance of light rain. SSE force 2 turning SW in the middle of the day then WSW force 4. Gusts reaching 20 knots in the evening. Smooth sea. Low, short swell from W. Visibility reduced by mist becoming excellent in the middle of the day.