Do you get Spinners down your way? Check out the video after the link...these sharks (7-9 feet long) go airborne near surfers from time to time. Said to be harmless. Do you have jumpers like this?
www.peconicpuffin.com/the_peconic_puffin/2009/02/when-nine-feet-of-shark-gets-five-feet-of-air-next-to-you-what-do-you-do-video.html My own thought is that if a shark this big jumps anywhere near me, I don't think I'd have the presence of mind to try and identify the species.