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Home Return to list Small Craft Advisory 0034 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-03-25 09:55:48 446 WHUS73 KLOT 251455 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 955 AM CDT Wed Mar 25 2026 LMZ740>745-252300- /O.NEW.KLOT.SC.Y.0034.260325T1800Z-260326T0100Z/ /O.CON.KLOT.GL.A.0010.260326T2100Z-260327T1200Z/ 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- 955 AM CDT Wed Mar 25 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... ...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING... * WHAT...For the Small Craft Advisory, south to southwest winds to 25 kt expected. For the Gale Watch, north gales to 35 kt and significant waves to 12 ft occasionally to 16 ft possible. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...For the Small Craft Advisory, from 1 PM this afternoon to 8 PM CDT this evening. For the Gale Watch, from Thursday afternoon through Friday morning. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ Action: Continued Issued At: 2026-03-25 14:41:27 436 WHUS73 KLOT 251941 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 241 PM CDT Wed Mar 25 2026 LMZ740>745-260345- /O.CON.KLOT.SC.Y.0034.000000T0000Z-260326T0100Z/ /O.UPG.KLOT.GL.A.0010.260326T2100Z-260327T1200Z/ /O.NEW.KLOT.GL.W.0016.260326T2100Z-260327T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 241 PM CDT Wed Mar 25 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...GALE WARNING IN EFFECT FROM 4 PM THURSDAY TO 7 AM CDT FRIDAY... * WHAT...For the Small Craft Advisory, south winds to 25 kt. For the Gale Warning, north gales to 35 kt and significant waves to 11 ft occasionally to 14 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...For the Small Craft Advisory, until 8 PM CDT this evening. For the Gale Warning, from 4 PM Thursday to 7 AM CDT Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Expired Issued At: 2026-03-25 20:11:07 936 WHUS73 KLOT 260110 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 810 PM CDT Wed Mar 25 2026 LMZ740>745-261030- /O.EXP.KLOT.SC.Y.0034.000000T0000Z-260326T0100Z/ /O.CON.KLOT.GL.W.0016.260326T2100Z-260327T1200Z/ 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- 810 PM CDT Wed Mar 25 2026 ...GALE WARNING REMAINS IN EFFECT FROM 4 PM THURSDAY TO 7 AM CDT FRIDAY... ...SMALL CRAFT ADVISORY HAS EXPIRED... * WHAT...North gales to 35 kt and significant waves to 11 ft occasionally to 14 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor, IL to Michigan City, IN. * WHEN...From 4 PM Thursday to 7 AM CDT Friday. * 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. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||