930 AM CDT Sun Sep 16 2018 Southern Lake/North Shore-Southern Cook/North Shore- Carlton/South St. Louis- Including the cities of Two Harbors, Silver Bay, Grand Marais, and Duluth 930 AM CDT Sun Sep 16 2018 .NOW... Some fog, locally dense, was occurring along the north shore of Lake Superior. Visibilities will improve by 1030 am. If you must travel along the north shore, allow plenty of distance between vehicles.