RedactedNarrative: V2 was anchored offshore with engine trouble. V1 was attempting to tow V2 to shore. While the tow line was being attached, rough seas caused the bar around the motors on V1 to collide with bow of V2. This collision caused damage to V2 bow and injured Operator of V2 who was attaching the tow line. The tow was completed and operator of V2 was treated at Ft Walton Beach Medical for a laceration to the right side of his head and a concussion.