The Stewart J. Cort passed under the Aerial Lift Bridge first, followed a few hours later by the Mackinaw, Sam Laud and Algoma Discovery, according to the site boatnerd.com. The convoy left Whitefish Bay last week.
U.S. and Canadian coast guard ships will be escorting convoys until the icy shipping lanes are safer.
The health commissioner extended the hours for his upcoming public forum on adding intractable pain to the list of conditions allowed into the state's medical marijuana program. The public can also submit written comments.
The final decision will be up to Health Commissioner Ed Ehlinger, but if the program expands, the Intractable Pain Advisory Committee hopes there will be additional strictures and precautions for pain patients.