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 3. Gusts reaching 15 knots in the evening. Smooth to slight sea. Low, fairly long swell from WSW. Poor visibility.
Semaphoren
Station Ile De Groix liegt 22 km von Vieux passage entfernt