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Home Return to list Gale Warning 0021 Issued by the Chicago Forecast Office
Action: New Issued At: 2025-06-03 12:45:31 996 WHUS73 KLOT 031744 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 1244 PM CDT Tue Jun 3 2025 LMZ740>745-040145- /O.UPG.KLOT.SC.Y.0066.000000T0000Z-250604T0300Z/ /O.NEW.KLOT.GL.W.0021.250603T1744Z-250604T0300Z/ 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- 1244 PM CDT Tue Jun 3 2025 ...GALE WARNING IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Southwest gales to 40 kt and significant waves to 4 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor, IL to Michigan City, IN. * WHEN...Until 10 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. && $$ Action: Continued Issued At: 2025-06-03 15:36:21 716 WHUS73 KLOT 032036 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 336 PM CDT Tue Jun 3 2025 LMZ740>745-040300- /O.CON.KLOT.GL.W.0021.000000T0000Z-250604T0300Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 336 PM CDT Tue Jun 3 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Southwest gales to 35 kt and significant waves to 5 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Time Extended Issued At: 2025-06-03 21:23:07 984 WHUS73 KLOT 040222 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 922 PM CDT Tue Jun 3 2025 LMZ743>745-040330- /O.CAN.KLOT.GL.W.0021.000000T0000Z-250604T0300Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 922 PM CDT Tue Jun 3 2025 ...GALE WARNING IS CANCELLED... Gale force winds are no longer expected. $$ LMZ740>742-040600- /O.EXT.KLOT.GL.W.0021.000000T0000Z-250604T0600Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 922 PM CDT Tue Jun 3 2025 ...GALE WARNING NOW IN EFFECT UNTIL 1 AM CDT WEDNESDAY... * WHAT...Southwest gales to 35 kt. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 1 AM CDT Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Cancelled Issued At: 2025-06-03 21:23:07 984 WHUS73 KLOT 040222 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 922 PM CDT Tue Jun 3 2025 LMZ743>745-040330- /O.CAN.KLOT.GL.W.0021.000000T0000Z-250604T0300Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 922 PM CDT Tue Jun 3 2025 ...GALE WARNING IS CANCELLED... Gale force winds are no longer expected. $$ LMZ740>742-040600- /O.EXT.KLOT.GL.W.0021.000000T0000Z-250604T0600Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 922 PM CDT Tue Jun 3 2025 ...GALE WARNING NOW IN EFFECT UNTIL 1 AM CDT WEDNESDAY... * WHAT...Southwest gales to 35 kt. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 1 AM CDT Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Expired Issued At: 2025-06-04 00:51:28 087 WHUS73 KLOT 040551 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 1251 AM CDT Wed Jun 4 2025 LMZ740>742-040700- /O.EXP.KLOT.GL.W.0021.000000T0000Z-250604T0600Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 1251 AM CDT Wed Jun 4 2025 ...GALE WARNING WILL EXPIRE AT 1 AM CDT EARLY THIS MORNING... Gale force winds have ended. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||