Sebastian Duncan, 20, of Glenview

The body of Sebastian Duncan, 20, of Glenview, was found on Saturday by a passerby along Lake Michigan near Fort Sheridan after he went missing on August 27.

Officials said that Duncan went missing while kayaking with a friend.

A 911 call was made around 10 p.m. on August 27 after Duncan’s friend was heard calling for help in the 200 block of Bluffs Edge Drive in Lake Forest.

Police learned that the man was kayaking with Duncan on Lake Michigan when the kayaks they were in capsized due to rough water and high winds. Duncan’s friend swam for an hour before getting to safety on shore where he asked for help from a resident who called 911.

Photo by Lake and McHenry County Scanner.

Rescuers used numerous boats and a helicopter to search the water for several days, including searches on the shore.

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On Saturday, a passerby found Duncan’s body on Lake Michigan near the Openlands Lakeshore Beach in Fort Sheridan. Lake County Coroner Dr. Howard Cooper confirmed on Sunday that the body was Duncan following a forensic examination.

Photo by Lake and McHenry County Scanner.

Neither of the men were wearing life jackets. A small craft advisory had been issued by the National Weather Service the night the two men went out on Lake Michigan.

Duncan graduated from New Trier High School in Winnetka in 2016 and attended Northwestern University.

“Please continue to keep the Duncan family in your thoughts during this difficult time,” Highland Park officials said.