Tedeski was swept out into Lake Michigan on Aug. 3 near Diversey Harbor.
The teen was swimming with a group of friends when he disappeared and never resurfaced, police say.
RELATED: Lake Michigan search resumes for boy, 15, presumed drowned near Diversey Harbor
Lake Michigan search resumes for boy, 15, presumed drowned near Diversey Harbor
After hours of searching for the missing boy, officials switched to a recovery mission, presuming he had drowned.
Tedeski's body was found on Friday.
RELATED: Body found washed ashore near Belmont Harbor: police
RELATED: Lake Michigan search resumes for boy, 15, presumed drowned near Diversey Harbor