RedactedNarrative: VESSEL 1 WAS LEAVING THE HOLLAND HARBOR OUT TO LAKE MICHIGAN. AT THE MOUTH OF THE CHANNEL THE OPERATOR ENCOUNTERED 3-4 FOOT WAVES WITH SWELLS UP TO 5 FEET. THE OPERATOR TRIED TO TURN BACK BUT WAS ROLlED BY THE WAVES AND ALL THREE OCCUPANTS WERE THROWN INTO THE WATER. THE SEADOO CAPSIZED, TOOK ON WATER, FLOODED AND SANK. ALL THREE SUBJECTS WERE PULLED FROM THE WATER BY SHERIFFS PERSONNEL. THEY ALL WERE EVALUATED BY PARAMEDICS FOR FATIGUE AND TAKEN ON WATER, THEN RELEASED.