RedactedNarrative: Vessel #1 tied off behind vessel #2 before the operator of vessel #1 was informed that rafting off was not permitted at that location.  Vessel #1 pulled away and began to pass vessel #2.  The wind caught vessel #1 and pushed it toward vessel #2.  The operator of vessel #1 throttled forward quickly causing the aft starboard side of vessel #1 to strike the aft port side of vessel #2.