For Trevou-Treguignec :
No gale warning.
For the night from Thursday to Friday W force 3 in the early part of the night becoming force 2. Gusts reaching 16 knots in the early part of the night.
Smooth to slight sea temporarily slight in the middle of the night. Low from N. Excellent visibility becoming poor in the middle of the night then poor. Daytime of Friday 28 august : The atmosphere will remain unstable.
Skies changeable to very cloudy. Light showers all day. In the evening, cloudy spells, sometimes dense.
Light showers. W wind force 3 continuing all day. Gusts reaching 16 knots all day. Smooth to slight sea. Low from N. Poor visibility becoming excellent in the middle of the day.