Never new thay existed until i surfed with one. Has anybody else seen any?

Never new thay existed until i surfed with one. Has anybody else seen any?
Was it moaning "WAAAAAAAVVVVES" or "BRRRRRRAAAAAAAAAAIIINS"?
It didn't say anything. It just wanted to surf at my secret hurricane break, at night under a full moon. It was actually the silance that i thought was so creepy.