WHUS73 KLOT 150207 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 907 PM CDT Tue Apr 14 2026 LMZ740>744-150315- /O.EXP.KLOT.SC.Y.0044.000000T0000Z-260415T0200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- 907 PM CDT Tue Apr 14 2026 ...SMALL CRAFT ADVISORY HAS EXPIRED... Winds have eased slightly since earlier this evening. However, strong thunderstorms are approaching Lake Michigan from the northwest late this evening. Additional strong gusty winds are possible with these thunderstorms. A tornado watch is in effect until midnight CDT. $$