A southerly, strong and mostly variable flow prevails over the North and the East of the basin. Over the South-West, it is westerly, very strong and variable.
For Mesquer :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies with few clouds covering over progressively. No precipitation. In the evening, very cloudy.
Chance of light rain. SSE force 3 in the middle of the day becoming SE force 4 in the evening. Gusts reaching 18 knots in the evening. Slight sea. Low, fairly long swell from W. Excellent visibility becoming excellent in the evening.