For Penn al Lann :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fog developing into low cloud during the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
NNW force 2 becoming N force 3 in the middle of the day then NNE. Gusts reaching 15 knots from the middle of the day. Smooth sea. Low, short swell from NNW. Visibility reduced by fog becoming excellent in the middle of the day then poor.