


Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
555 WHUS73 KLOT 211953 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 253 PM CDT Mon Apr 21 2025 LMZ740>745-220000- /O.CON.KLOT.GL.W.0017.000000T0000Z-250422T0000Z/ 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- 253 PM CDT Mon Apr 21 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...West gales to 35 kt occurring. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$