Meaford, ON - who would think of any waves here? ;-)

[Surfing the Great Lakes]

Rochester, NY on lake Ontario's central part of the US shore

Seabreeze Pier and Beach, works on N, NW, NE winds. Beaches along Irondequoit bay, East and West off the beach definitely worth exploring too. Youtube footage of surfing Rochester August, December

Cobourg, ON on lake Ontario's central part of Canadian shore

Cobourg Beach / Victoria Park, works on SW, SE winds. Some youtube footage of surfing Cobourg Beach/Victoria Park September. August

Oshawa, ON on lake Ontario's central part of Canadian shore has very well established spot:

Lakeview Park (Oshawa Pier), works on SW, SE winds. Some youtube footage of surfing Lakeview Park.
There are other beaches in the area check them too.

Whiting beaches, are featured as #2 in The Best Places to Go Surfing on the Great Lakes. Known of big waves on N, NNE Winter winds. Short video on possible conditions.

Featured as #1 in The Best Places to Go Surfing on the Great Lakes. "The Fresh Water Surf Capital of the World " (:wink: :wink:) accordingly to visitsheboygancounty.com. Works best on NE, NW, SE winds. They also have indoor FlowRider surf simulator in Blue Harbor Resort's Breaker Bay indoor waterpark (links below).

• North Side Municipal Beach - popular surf spot with sandbar and reef breaks. Check this video clip from Step Into Liquid: Surf Wisconsin on the summary of local conditions and surf culture.
• The Riptide Double Surf Simulator in Blue Harbor Resort's waterpark. FlowRider machine, see videos: demo of Sheboygan Blue Harbor wave simulator, double wave setup, this guy is rippin' it!. Looks like they allow only their equipment, bodyboards look pretty close to normal ones, surfboard is custom to the machine but seems like workable for a fun session
• Kohler-Andrae State Park . Waves build at offshore reef and beach

Check out Milwaukee, WI too, just 1 hour South.