For Trestraou :
No gale warning.
We are 90% sure of the situation, because the cloud system could clear up more slowly than forecast.
Skies changeable to very cloudy. No precipitation. In the evening, cloudy spells, sometimes dense.
No precipitation. E force 4 in the morning temporarily ENE force 5 in the middle of the day. Gusts reaching 25 knots until the middle of the day. Slight sea. Low, short swell from N. Good visibility becoming excellent in the middle of the day.