RedactedNarrative: On the above date and time vessel 1 operator stated he was traveling north on the Hudson River in the area of Cortlandt Manor, with 5 passengers on board. Operator stated that while traveling North he did not see a vessel traveling south directly at him. Operator of vessel 1 turned his vessel to starboard to avoid collision with the unidentified vessel. The actions that he took caused him to travel East in the direction of the shore line near Fish Island, subsequently striking rocks along the shoreline and  coming to rest approx. 6-8 feet onto same.