A southerly, moderate and mostly variable flow prevails over the West and the North of the basin. Over the South-East, it is westerly, very strong and mostly variable.
For Saint-Guénolé :
No gale warning.
We are 90% sure of the situation, because the atmosphere might not be as stable as forecast.
Sunny becoming changeable in the afternoon. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. SSE force 5 in the morning weakening SSW force 3 in the evening. Gusts reaching 26 knots in the middle of the day. Rough sea. Moderate, fairly long swell from SW. Good visibility becoming excellent in the middle of the day then poor.