RedactedNarrative: Vessel 1 was traveling westbound along the north side of the mooring basin of McKinley Marina.  Vessel 2 was moored in the northwest corner of the mooring basin.  Vessel 1 Operator stated as he was operating he was hugging the south end of the channel when the wind shifted and Vessel 2 blew in-front of Vessel 1 on its mooring. Vessel 1 Operator stated he could not turn in time and collided into the port stern of Vessel 2.  Vessel 1 Operator stated he then went back to his dock.