A southerly, very strong and variable flow prevails over the North and the East of the basin. Over the South-West, it is northwesterly, very strong and mostly variable.
For Saint-Guénolé :
Warning fresh gale.
We are 85% sure of the situation, because it is possible that the change in the rain system may not be as clear as forecast.
Overcast skies. Light showers. In the evening, overcast skies.
Light showers progressively becoming less frequent. SSW force 8 in the middle of the day weakening W force 5 in the evening. Gusts reaching 54 knots in the middle of the day. Very rough sea. Moderate, long swell from WSW then high in the evening. Excellent visibility.