A northwesterly, weak and variable flow prevails over the whole area.
For Ostia :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Clear skies. In the evening, clear skies.
W wind force 3 from the middle of the day. Gusts reaching 19 knots in the evening. Smooth to slight sea. Low, short swell from W. Excellent visibility.