A northeasterly and very variable flow prevails over the whole area.
For Port-Manec"h - Kerdruc : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, good clear periods but cloud building. No precipitation. W wind force 2. Gusts reaching 9 knots in the evening. Smooth to slight sea. Low, short swell from SW. Excellent visibility.
semaphore stations
Station Ile De Groix located 24 km from Port-Manec'h - Kerdruc