For Trestraou :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, good clear periods but cloud building.
No precipitation. NW wind force 3 continuing all day. Gusts reaching 19 knots in the middle of the day. Smooth to slight sea. Low, short swell from NW. Good visibility becoming excellent in the middle of the day then excellent.