For Porto Turistico Riva di Traiano - Civitavecchia :
No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Warm sun all day. In the evening, clear skies.
N force 3 turning WNW force 4 in the middle of the day then NW. Gusts reaching 25 knots in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from SW. Excellent visibility.