RedactedNarrative: Operator was operating his PWC at a high rate of speed toward the beach area.  He turned his PWC hard to the right going under a dock.  After exiting underneath the dock he was traveling towards the neighbors dock at a high rate of speed he momentarily released the throttle to slow his ski. Operator soon realized he had no steering of the ski while not under power and was heading directly toward the neighbors dock.  Operator accelerated and attempted to turn before striking the dock.  Operator reacted too late and collided with the neighboring dock.  The impact broke Operator's left wrist and caused a large cut to his left knee and contusions to his chest.