Tuesday afternoon Cleavenger confirmed that Sirghi died of asphyxiation due to drowning.
Sirghi was swimming with a friend near the buoy line on the east end of the Culver Town Park Beach. As the friend returned to the beach and saw Sirghi going under water. Emergency responders including the dive team spent nearly a half hour searching the water for his body. Once located, EMS began CPA and transported him to Saint Joseph Regional Medical Center in Plymouth.
Sirghi was pronounced dead at the hospital about 8:30 p.m.
The preliminary determination is drowning although final toxicology results will be the final determination.