We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.
Lots of good clear periods.No precipitation.In the evening, skies progressively clouding over with storms forming. Showers towards the end of the night. S force 3 in the middle of the day turning NW force 2 in the evening. Gusts reaching 17 knots in the evening. Smooth to slight sea. Low, short swell from SSW. Excellent visibility.
semaphore stations
Station Monte Argentario located 12 km from Secca di Mezzo Canale