


Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
327 WHUS73 KLOT 251144 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 644 AM CDT Thu Sep 25 2025 LMZ740>745-251245- /O.EXP.KLOT.SC.Y.0084.000000T0000Z-250925T1200Z/ 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- Burns Harbor to Michigan City IN- 644 AM CDT Thu Sep 25 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 7 AM CDT THIS MORNING... Waves have subsided allowing the advisory to expire. $$