A westerly, strong and very variable flow prevails over the whole area.
For Saint-Guénolé :
No gale warning.
The reliability of the situation is assessed at 90%.
Clear skies. In the evening, good clear periods but cloud building.
No precipitation. NW force 5 in the middle of the day turning W in the evening. Gusts reaching 24 knots in the middle of the day. Rough sea. Moderate, fairly long swell from W. Good visibility becoming good in the evening.