RedactedNarrative: Deceased was riding on back of PWC operated by primary operator. Operator advised they were going to help friends who had overturned. The deceased/operator struck a vessel wake on the starboard side and began to overturn. Operator advised he and the deceased both fell in and the PWC continued on in the Lake. Deceased was not able to be located and had gone under the water eventually drowning. Divers located the deceased on the lake bottom in 35 ft of water. No obvious sings of trauma. Operator didn't sustain any injuries.