RedactedNarrative: VESSEL 1 LEFT MOONIES ON SOUTH GRAND LAKE AND WAS TRAVELING NORTHBOUND TOWARDS DUCK CREEK.  VESSEL 2 WAS ADRIFT JUST SOUTH OF DUCK CREEK, FACING NORTH.  OPERATOR OF VESSEL 1 STATED THAT SHE DID NOT SEE VESSEL 2 UNTIL JUST PRIOR TO IMPACT. JSUT PRIOR TO IMPACT OPERATOR OF VESSEL 1 STATED SHE SWERVED TO THE LEFT.  VESSEL 1 STRUCK VESSEL 2 ON THE PORT SIDE WITH VESSEL 1'S STARBOARD SIDE.  OWNER OF VESSEL 2 STATED THAT HE SAW VESSEL 1 APPROACHING THEM AND WAS YELLING AND WAVING HIS ARMS TRYING TO GET THE DRIVERS ATTENTION.  VESSEL 2'S NAVIGATION LIGHTS WERE IN PROPER WORKING CONDITION.