Operator was operating at night, the seas were rough and he turned left into rocks instead of what he thought was the jetty.  He stated he was inexperienced at operating at night.  He caused extensive property damage to his vessel as well as extensive oral/facial damage to his person.  He had recently been given the boat.  Officer determined that cause of accident was failure to maintain proper lookout, excessive speed for conditions of reduced visibility, and operator inexperience in reduced visibility.  He was issued a warning for failure to maintain properlookout.
Hyannisport                   