For Grève de Blainvillais :
No gale warning.
The reliability of the situation is assessed at 75%.
Sun but cloud increasing in the morning, skies clearing in the afternoon. Risk of some spots of rain in the morning, light showers dying away progressively in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. W force 4 in the morning turning NW force 3 in the evening. Gusts reaching 19 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from W. Excellent visibility becoming poor in the middle of the day then good.