RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL 1 WHILE TOWING 3 WATERSKIERS ON A TUBE. AS OPERATOR 1 WAS UNDERWAY WITH THE WATERSKIERS IN TOW VESSEL 1 TRAVELED OVER ROUGH WATER WHICH CAUSED THE OCCUPANTS ON THE WATER TUBE TO MOVE VIOLENTLY WITHIN THE TUBE. THE MOVEMENT CAUSED ONE OF THE OCCUPANTS ON THE WATER TUBE TO IMPACT SKIER 2 CAUSING THEM TO SUSTAIN INJURIES. NONE OF THE OTHER OCCUPANTS ON THE TUBE OR IN VESSEL 1 SUSTAINED ANY INJURIES. NO DAMAGE WAS SUSTAINED TO VESSEL 1.