He’s described as white 6’ 2” (188cm), 180 lbs. (82kg) with a lean muscular build and short brown hair.
Fitzgerald was last seen wearing a black baseball hat, red plaid shirt, beige shorts and black skateboarding-style shoes.
The joint forces search team is not asking for volunteers from the community at this time.
The team has been conducting both land and water searches.
Residents are being asked to check their properties for any sign of Fitzgerald.
Anyone with information on his whereabouts can contact Owen Sound Police at 519-376-1234.