For Port de Rosmeur :
No gale warning.
We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Overcast skies. No precipitation. In the evening, clear periods developing.
No precipitation. WNW wind force 4 from the middle of the day. Gusts reaching 28 knots in the middle of the day. Smooth to slight sea. Low, short swell from WNW. Excellent visibility.