RedactedNarrative: VESSEL ONE WAS APPROACHING THE BEACH NEAR SIGN 14 IN THE BRIDGEWATER CHANNEL WHEN A PASSENGER VOLUNTARILY DEPARTED THE VESSEL IN AN ATTEMPT TO PREVENT THE BOW FROM COLLIDING WITH THE SEAWALL AND PLACED HIS HAND BETWEEN THE VESSEL AND THE SEAWALL.  THE VESSEL HIT THE SEAWALL PINCHING THE VICTIM''S LEFT HAND.  THE VICTIM''S HAND WAS NOTICEABLY SWOLLEN AND THE LAKE HAVASU CITY FIRE DEPARTMENT INDICATED THAT THE HAND WAS LIKELY BROKEN.  THE OPERATOR ADVISED THE VESSEL WAS OFF AND HE WAS COASTING INTO THE BEACH.  NO DAMAGE WAS OBSERVED ON THE VESSEL.