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Home Return to list Gale Warning 0013 Issued by the Chicago Forecast Office
Action: New Issued At: 2025-04-01 03:43:03 086 WHUS73 KLOT 010842 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 342 AM CDT Tue Apr 1 2025 LMZ743>745-011645- /O.EXP.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/ /O.NEW.KLOT.SC.Y.0041.250402T0000Z-250402T0600Z/ /O.NEW.KLOT.GL.W.0013.250402T0600Z-250402T2300Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 342 AM CDT Tue Apr 1 2025 ...GALE WARNING IN EFFECT FROM 1 AM TO 6 PM CDT WEDNESDAY... ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM CDT EARLY THIS MORNING... * WHAT...For the Small Craft Advisory, southeast winds to 30 kt. For the Gale Warning, southeast gales to 35 kt becoming southwest Wednesday afternoon expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 1 AM CDT Wednesday. For the Gale Warning, from 1 AM to 6 PM CDT Wednesday. * 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. && $$ LMZ740>742-011645- /O.UPG.KLOT.GL.A.0011.250402T0300Z-250402T1500Z/ /O.NEW.KLOT.GL.W.0013.250402T0600Z-250402T2300Z/ /O.NEW.KLOT.SC.Y.0041.250402T0000Z-250402T0600Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 342 AM CDT Tue Apr 1 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 AM CDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 1 AM TO 6 PM CDT WEDNESDAY... * WHAT...For the Small Craft Advisory, southeast winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. For the Gale Warning, southeast gales to 35 kt becoming southwest Wednesday afternoon and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 1 AM CDT Wednesday. For the Gale Warning, from 1 AM to 6 PM CDT Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: New Issued At: 2025-04-01 03:43:03 086 WHUS73 KLOT 010842 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 342 AM CDT Tue Apr 1 2025 LMZ743>745-011645- /O.EXP.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/ /O.NEW.KLOT.SC.Y.0041.250402T0000Z-250402T0600Z/ /O.NEW.KLOT.GL.W.0013.250402T0600Z-250402T2300Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 342 AM CDT Tue Apr 1 2025 ...GALE WARNING IN EFFECT FROM 1 AM TO 6 PM CDT WEDNESDAY... ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM CDT EARLY THIS MORNING... * WHAT...For the Small Craft Advisory, southeast winds to 30 kt. For the Gale Warning, southeast gales to 35 kt becoming southwest Wednesday afternoon expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 1 AM CDT Wednesday. For the Gale Warning, from 1 AM to 6 PM CDT Wednesday. * 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. && $$ LMZ740>742-011645- /O.UPG.KLOT.GL.A.0011.250402T0300Z-250402T1500Z/ /O.NEW.KLOT.GL.W.0013.250402T0600Z-250402T2300Z/ /O.NEW.KLOT.SC.Y.0041.250402T0000Z-250402T0600Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 342 AM CDT Tue Apr 1 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 AM CDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 1 AM TO 6 PM CDT WEDNESDAY... * WHAT...For the Small Craft Advisory, southeast winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. For the Gale Warning, southeast gales to 35 kt becoming southwest Wednesday afternoon and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 1 AM CDT Wednesday. For the Gale Warning, from 1 AM to 6 PM CDT Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Continued Issued At: 2025-04-01 09:56:45 493 WHUS73 KLOT 011456 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 956 AM CDT Tue Apr 1 2025 LMZ740>745-012300- /O.CON.KLOT.SC.Y.0041.250402T0000Z-250402T0600Z/ /O.CON.KLOT.GL.W.0013.250402T0600Z-250402T2300Z/ 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- 956 AM CDT Tue Apr 1 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 1 AM CDT WEDNESDAY... ...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 6 PM CDT WEDNESDAY... * WHAT...For the Small Craft Advisory, southeast winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. For the Gale Warning, southeast gales to 35 kt becoming southwest Wednesday afternoon and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 1 AM CDT Wednesday. For the Gale Warning, from 1 AM to 6 PM CDT Wednesday. * 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. && $$ Action: Continued Issued At: 2025-04-01 15:19:54 635 WHUS73 KLOT 012019 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 319 PM CDT Tue Apr 1 2025 LMZ740>745-020430- /O.CON.KLOT.SC.Y.0041.250402T0000Z-250402T0600Z/ /O.CON.KLOT.GL.W.0013.250402T0600Z-250402T2300Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 319 PM CDT Tue Apr 1 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 1 AM CDT WEDNESDAY... ...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 6 PM CDT WEDNESDAY... * WHAT...For the Small Craft Advisory, east winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. For the Gale Warning, east gales to 35 kt becoming southwest Wednesday afternoon and significant waves to 11 ft occasionally to 14 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 1 AM CDT Wednesday. For the Gale Warning, from 1 AM to 6 PM CDT Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Continued Issued At: 2025-04-01 21:05:06 604 WHUS73 KLOT 020204 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 904 PM CDT Tue Apr 1 2025 LMZ740>745-021015- /O.CON.KLOT.SC.Y.0041.000000T0000Z-250402T0600Z/ /O.CON.KLOT.GL.W.0013.250402T0600Z-250402T2300Z/ 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- 904 PM CDT Tue Apr 1 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT WEDNESDAY... ...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 6 PM CDT WEDNESDAY... * WHAT...For the Small Craft Advisory, east winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. For the Gale Warning, east gales to 35 kt becoming southwest Wednesday afternoon and significant waves to 11 ft occasionally to 14 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 1 AM CDT Wednesday. For the Gale Warning, from 1 AM to 6 PM CDT Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...The largest waves are expected along the Illinois shoreline. 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. && $$ Action: Continued Issued At: 2025-04-02 01:10:44 294 WHUS73 KLOT 020610 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 110 AM CDT Wed Apr 2 2025 LMZ740>745-021415- /O.EXP.KLOT.SC.Y.0041.000000T0000Z-250402T0600Z/ /O.CON.KLOT.GL.W.0013.000000T0000Z-250402T2300Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 110 AM CDT Wed Apr 2 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... * WHAT...Southeast gales to 35 kt becoming southwest in the afternoon and significant waves to 11 ft occasionally to 14 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 6 PM CDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...The largest waves are expected along the Illinois shoreline. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Time Extended Issued At: 2025-04-02 04:02:04 098 WHUS73 KLOT 020901 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 401 AM CDT Wed Apr 2 2025 LMZ740>745-021715- /O.EXT.KLOT.GL.W.0013.000000T0000Z-250403T0000Z/ 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- 401 AM CDT Wed Apr 2 2025 ...GALE WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Southeast gales to 35 kt becoming southwest in the afternoon and significant waves to 11 ft occasionally to 14 ft. * 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. * ADDITIONAL DETAILS...The largest waves are expected along the Illinois shoreline. 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. && $$ Action: Continued Issued At: 2025-04-02 15:38:03 980 WHUS73 KLOT 022037 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 337 PM CDT Wed Apr 2 2025 LMZ740>745-030000- /O.CON.KLOT.GL.W.0013.000000T0000Z-250403T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 337 PM CDT Wed Apr 2 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Southeast gales to 35 kt becoming south late in the afternoon and significant waves to 8 ft occasionally to 10 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Expired Issued At: 2025-04-02 18:47:38 661 WHUS73 KLOT 022347 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 647 PM CDT Wed Apr 2 2025 LMZ740>745-030800- /O.EXP.KLOT.GL.W.0013.000000T0000Z-250403T0000Z/ /O.NEW.KLOT.SC.Y.0042.250403T0000Z-250403T1700Z/ 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- 647 PM CDT Wed Apr 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CDT THURSDAY... ...GALE WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING... * WHAT...South winds to 30 kt becoming west and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until noon CDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||