For Trestraou :
No gale warning.
The reliability of the situation is assessed at 90%.
Cloud and long sunny periods. Light showers. In the evening, cloudy spells, sometimes dense.
No precipitation. W wind force 4 from the middle of the day. Gusts reaching 25 knots in the middle of the day. Moderate sea. Moderate, fairly long swell from WNW. Good visibility becoming excellent in the evening.