For Porticciolo di Ostia :
No gale warning.
We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.
Changeable skies becoming fairly cloud-free in the morning, sunny in the afternoon. No precipitation. In the evening, clear skies.
NNE force 2 turning WNW force 3 in the middle of the day then NNE. Gusts reaching 19 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from SE. Excellent visibility.