Because to the geographical position in the temperate Mediterranea sea area ,the local weather conditions are too good for the most part of the year.

Winds/Venti
Predominant directions and Max Intensity
direzione predominante e Intensità Massima - Summer/Estate : WNW , ESE from 18.5 to 24.9 knots
Winter/Inverno NE , ESE from 31.1 to 49.7 knots

Waves/Onde
In case of bad weather the waves height in the internal part of the roads is about
In cattive condizioni metereologiche nella rada interna l'altezza massima delle onde è: 0.4 / 1.6 meters.