For Viganj there a no statistics since is a thermal spot with wind getting accelerated by a narrow channel.Normaly there are at least 20 days with good wind.about the strenght is diferent can be 15 or can be up to 25 knots.But the wind is very steady with no gusts.The weather is perfect hot with no rain
View video of a normal windy day
http://www.youtube.com/watch?v=RgOvF7f6 ... re=related
http://www.windsurfing-kitesurfing-viganj.com/