Good points, I would like to add, you're really not in starting out or beginner conditions. Experienced kiters that do fine in their home waters have been badly spanked by the wave break at Juno. True story. If you are just starting to work on getting upwind the last place you want to be is in big waves. It can incredibly frustrating and tiring. Beyond that there are some dangers involved. If you get rolled in your lines by a breaking wave (checkout
http://fksa.org/showthread.php?t=543) or just get knocked off balance and violently downloop your kite you could end up smashing into sand. Sand contrary to some viewpoints can be plenty hard enough to do serious harm if you hit it at speed. Some very experienced kiters have been knocked out and suffered spinal injury, temporary loss of vision, coma, etc.. Stuff to avoid.
So, even though it is blowing, you would be smart not to go out in the big waves yet and maybe not for a while either. It takes time. Alternatives would be to go up to the ICW where it is wider, Hutchenson is possible but has some technical shoreside launching characteristics, Sebastian on the ICW is better. Or, head south. With each inlet you pass, the waves drop in height. Even going to Delray would improve things but you might do better in Pompano. It is a distance but it should be more gratifying and less dangerous too.