A northeasterly, moderate and variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and variable.
For Saint Guénolé :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny becoming changeable in the afternoon. No precipitation. In the evening, skies with few clouds.
NE force 3 turning SE in the middle of the day then ESE. Gusts reaching 15 knots from the middle of the day. Slight sea. Low, long swell from WSW. Poor visibility becoming excellent in the middle of the day then excellent.