An easterly and very variable flow prevails over the North of the basin. Over the South-West, it is southerly, moderate and very variable. Over the South-East, it is northwesterly, weak and very variable.
For L"Ile de Groix-Les Grands Sables :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Cloud and long sunny periods. No precipitation. In the evening, cloud and long sunny periods.
Chance of light rain. W force 4 in the middle of the day turning NW force 3 in the evening. Gusts reaching 24 knots in the evening. Smooth to slight sea. Low, fairly long swell from SW. Excellent visibility becoming good in the evening.