For Penn al Lann :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Lots of good clear periods. Light showers. In the evening, relatively clear skies becoming changeable.
S force 3 in the middle of the day turning N in the evening. Gusts reaching 20 knots in the middle of the day. Slight sea. Low, long swell from N. Good visibility becoming good in the evening.