Sri Lanka is one of the new kitesurf destination !!
From may until october the south west trade wind blow all the time between 15 and 30 nots.
This is the time to visit sri lanka, there is not too much people yet, but it start to develope fast !!
You will find a lot of information on this website : www.kitesurfinglanka.com http://www.kitesurfingsrilanka.com/ https://www.facebook.com/KitesurfingSriLanka
Accomodation are cheap : 30 euros full board in ksl bungalow (front to the spot).
The place is awesome : perfect flat water, down wind, camping on islet !!