plenty of Bali threads on here if you do a search, but not much about nusa dua. i assume your looking for flatwater? there is plenty of waves there also but you would want to be fairly proficient. the lagoon is pretty good, and if you are there in late june you will probably get some wind. lotsa sneaky bommies in there and the odd sea urchin. also the local line fisherman are not as kite savvy as the ones at sanur, so keep clear of them or they will get

call jack on 8123 609622, and for a modest fee he will take you there and help you set up/launch,land etc etc... did i say take a big kite???