A northeasterly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southerly, moderate and very 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.
Fair weather with mostly clear skies. In the evening, changeable skies clearing completely.
No precipitation. NE force 2 turning W in the middle of the day then NNE force 3. Gusts reaching 18 knots in the evening. Slight sea becoming smooth to slight in the middle of the day. Low, short swell from W. Poor visibility becoming excellent in the middle of the day.