RedactedNarrative: On 8/16/15 Vessel #1 was leaving the beach area heading north onto the lake.  Vessel #2 was traveling from east to west along the shoreline beyond the idle speed buoys.  Vessel #1 did not see Vessel #2 approaching from his right and struck the port side of Vessel #2 causing damage to the vessel and striking the operators leg causing injury.  Operator of Vessel #2 did not see the vessel until it was too late to avoid any collision.  Operator of Vessel #2 fell off the PWC after being struck.  He was taken into shore by another boater and transported by EMS to a local hospital.