RedactedNarrative: Operator of vessel 1 states while underway traveling northbound out of The Gurney's Montauk Yacht Club Marina, a strong gust of wind did blow his vessel as he was switching from joystick control to regular throttle and steering control, causing his vessel to blow west towards vessel 2 which was docked at boat slip #519. Operator of vessel 1 stated he placed his vessel in reverse and struck the piling of slip with his port side and vessel 3 in slip striking the bow pulpit of vessel 3 with vessel 1's port side and stern. The impact from the collisions did cause vessels 2 and 3 to strike the sterns of both vessels into the boat slip dock and ladders causing damage to rear rub rails. Negative injuries.