RedactedNarrative: V1 was a 30ft sailing vessel operated by OP1. V2 was a docked and unoccupied 46ft cabin vessel. V1 was docked directly behind V2 when it was attempting to undock. While maneuvering, V1 was overcome by strong tidal currents and collided with V2. During the impact, V1’s rigging became entangled in V2 and subsequently snapped the rear mast of the vessel. No injuries were reported.