visser surfaces. the jet ski has only moments to get him to safety. >> a lot of friends, people i competed against in big waves said, you know, if i just caught one, i would have been just thrilled. for me, it was such a big milestone. just so scared in that environment to have actually pulled it off, it was like, it was the best thing ever. >>> daring rescues in frigid waters. >> i can't see anything. i need help! >> massive floods. >> oh, my god. >> it was unbelievable just how quickly that the water was moving. >> and danger at sea. >> absolutely life threatening situation. >> get ready to get wet. >> oh! >> catching air. and crashing hard. >> oh! >> falling in. >> it was a real quk,