RedactedNarrative: Vessel 2 was tied off to dock #15 and unoccupied. Due to the length of vessel 2 the rear end of it stuck out of the slip approx. 8 feet. Vessel 1 was attempting to pull his vessel into the dock adjacent. Operator of vessel 1 was unable to control vessel 1 due to high winds. Vessel 1 swung so that the swim platform was facing the exposed side of vessel 2. Operator of vessel 1 reversed by mistake and made impact with vessel 2. No injuries.