For Trevou-Treguignec :
No gale warning.
For the night from Monday to Tuesday WSW force 2 in the early part of the night becoming SW force 3. Gusts reaching 15 knots all night.
Slight sea. Low, fairly long swell from WNW. Excellent visibility becoming poor in the middle of the night. Daytime of Tuesday 25 august : The unsettled weather will become more unpredictable in the second half of the day.
Skies changeable to very cloudy. Risk of showers in the morning, light showers in the afternoon. In the evening, good clear periods but lots of cloud, too.
Light showers. SW force 3 in the morning becoming WSW force 4 in the evening. Gusts reaching 19 knots in the evening. Slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day.