For Grève de Blainvillais :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies becoming changeable in late morning. Some light showers in the morning, possibility of a few spots in the afternoon. In the evening, cloudy spells, sometimes dense.
Chance of light rain. NE force 2 turning NNW force 3 in the middle of the day then becoming force 4. Gusts reaching 17 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from W. Good visibility becoming good in the middle of the day then excellent.