For Portonovo :
No gale warning.
The reliability of the situation is very good.
Very cloudy skies to overcast. Light showers. In the evening, clear periods developing.
Possibility of showers SSW force 2 in the middle of the day freshening WSW force 4 in the evening. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, short swell from ESE. Excellent visibility.