RedactedNarrative: PWC OPERATOR STATED HE WAS OPERATING THE PWC (REGISTRATION #: IL2458KY) AT APPROXIMATELY 30 MPH OR LESS WHEN HE SAW A LARGE WAVE AND LET GO OF THE THROTTLE. HE WENT OVER THE WAVE AND WAS AIRBORNE. UPON LANDING ON THE WATER (WHILE STILL ON THE PWC) HE WAS IMMEDIATELY HIT BY A SECOND WAVE AND THROWN INTO THE WATER. OPERATOR STATED HE BELIEVES HIS ANKLE (LEFT ANKLE) BROKE WHEN THE SECOND WAVE HIT HIM. OPERATOR STATED THERE WERE NO OTHER VESSELS INVOLVED IN THIS ACCIDENT AND THAT HE WAS THE ONLY PERSON ON THE PWC WHILE HE WAS OPERATING IT. WITNESS ACCOUNTS FROM A DIFFERENT VESSEL WERE SIMILAR TO WHAT VESSEL 1 OPERATOR STATED.