RedactedNarrative: VESSEL 2 WAS STOPPED ABOUT TO DEPART VESSEL TO SWIM, WHEN VESSEL 1 ATTEMPTED TO SPLASH WATER ONTO VESSEL 2 . OPERATOR OF VESSEL 1 LET OFF THE THROTTLE AND STRUCK VESSEL T2 IN THE PORT SIDE.  AREA OF IMPACT IS 03/10 EAST OF THE MARINA AND 02/10 NORTH OF ROCK TOWER.