RedactedNarrative: Operator and passenger were riding a jet ski without life jackets.  They hit a large wave and were ejected.  They could not get back to the jet ski and the current was pulling them out to sea.  Injured party was treading water till exhaustion.  He was finally pulled out by a passing good Samaritan.The passenger was rescued by a life ring from the rock jetty and was uninjured.   Cause of accident operator inexperience.  Operator was cited for not wearing a lifejacket.