You say "Wow". I'll say "Ballsy".
Seriously... that must be some fun stuff they're doing. I've never surfed, and never really had any desire to... but to risk being pounded into coral reefs or drowned or whatever - they're not just doing for the hell of it.
So good luck to 'em, and keep the images of huge waves coming. It's still something to stare in awe at...