For Port de Rosmeur :
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. Some light showers in the morning, possibility of a few spots in the afternoon. In the evening, very cloudy.
Chance of light rain. ESE force 4 turning SSE in the middle of the day then W force 2. Gusts reaching 21 knots in the middle of the day. Smooth to slight sea. Low, long swell from WNW. Poor visibility becoming excellent in the middle of the day then poor.