good programmer , kitesurfer and snowkiter did amazing project
www.windyty.com
check it out.
It is no advertisment, all is free.
He is professional pilot and also sailor in past and he programmed this app to fit our windsurfing, kitesurfing, snowkiting needs exactly as we want.
It is not replacement of windfinder of windguru but something totaly else.
Developement is ongoing and new cool new features are comming soon.
Currently there is actual wind forecast and when you click on map or type your spot. It automatically present actual forecast.
It also shows all webcams around.