For Arzon :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Overcast in the morning, skies clearing in the afternoon. Light showers all day. In the evening, cloud and long sunny periods.
No precipitation. WSW force 3 in the morning turning NW in the evening. Gusts reaching 17 knots in the middle of the day. Slight sea. Low, fairly long swell from SW. Excellent visibility becoming excellent in the middle of the day then poor.