For Les glenan :
Warning moderate gale.
We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.
Lots of good clear periods. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. W force 7 in the middle of the day becoming WSW force 6 in the evening. Gusts reaching 44 knots in the middle of the day. Rough sea becoming moderate in the evening. Low, fairly long swell from SSW then moderate in the evening. Excellent visibility.