Hey there mate, I have found some information that helped me out. Here it is, have a look.
Reading the wind
http://www.tantrumkitesurf.com/kiteschool/readingthewind.phpAnd wind forecasts
www.tantrumkitesurf.com/kiteschool/windforecast.phpI'm sure there is loads more info out there, but it should give you a good idea.
Also using google/google earth is a good way to look at beaches and which direction they run I.e Nth, East, etc