We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
In the evening, very cloudy skies becoming totally overcast. Light rain followed by showers. W wind force 3. Gusts reaching 12 knots in the evening. Slight sea. Low, fairly long swell from W. Poor visibility.
semaphore stations
Station Pte De Chemoulin located 21 km from Epave du Theresia