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Home Return to list Gale Warning 0007 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-02-05 09:35:44 775 WHUS73 KLOT 051535 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 935 AM CST Thu Feb 5 2026 LMZ743>745-052345- /O.UPG.KLOT.GL.A.0003.260206T1800Z-260207T0600Z/ /O.NEW.KLOT.GL.W.0007.260206T1800Z-260207T0600Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 935 AM CST Thu Feb 5 2026 ...GALE WARNING IN EFFECT FROM NOON FRIDAY TO MIDNIGHT CST FRIDAY NIGHT... * WHAT...North winds to 35 kt expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From noon Friday to midnight CST Friday night. * 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. && $$ LMZ740>742-052345- /O.NEW.KLOT.SC.Y.0015.260206T1600Z-260207T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 935 AM CST Thu Feb 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM FRIDAY TO 3 AM CST SATURDAY... * WHAT...North winds to 30 kt with a few gale force gusts to 35 kt expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 10 AM Friday to 3 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-05 15:17:51 347 WHUS73 KLOT 052117 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 317 PM CST Thu Feb 5 2026 LMZ743>745-060530- /O.CON.KLOT.GL.W.0007.260206T1800Z-260207T0600Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 317 PM CST Thu Feb 5 2026 ...GALE WARNING REMAINS IN EFFECT FROM NOON FRIDAY TO MIDNIGHT CST FRIDAY NIGHT... * WHAT...North gales to 40 kt and significant waves to 9 ft occasionally to 12 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From noon Friday to midnight CST Friday night. * 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. && $$ LMZ740>742-060530- /O.CON.KLOT.SC.Y.0015.260206T1600Z-260207T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 317 PM CST Thu Feb 5 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM FRIDAY TO 3 AM CST SATURDAY... * WHAT...North winds to 30 kt with a few gale force gusts to 35 kt and significant waves to 11 ft occasionally to 14 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 10 AM Friday to 3 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-02-05 21:24:30 037 WHUS73 KLOT 060323 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 923 PM CST Thu Feb 5 2026 LMZ743>745-061130- /O.EXT.KLOT.GL.W.0007.260206T1600Z-260207T0600Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 923 PM CST Thu Feb 5 2026 ...GALE WARNING NOW IN EFFECT FROM 10 AM FRIDAY TO MIDNIGHT CST FRIDAY NIGHT... * WHAT...North gales to 40 kt and significant waves to 9 ft occasionally to 12 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 10 AM Friday to midnight CST Friday night. * 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. && $$ LMZ740>742-061130- /O.EXT.KLOT.SC.Y.0015.260206T1400Z-260207T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 923 PM CST Thu Feb 5 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 AM FRIDAY TO 3 AM CST SATURDAY... * WHAT...North winds to 30 kt with a few gale force gusts to 35 kt and significant waves to 11 ft occasionally to 14 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 8 AM Friday to 3 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-06 03:40:34 015 WHUS73 KLOT 060940 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 340 AM CST Fri Feb 6 2026 LMZ743>745-061745- /O.CON.KLOT.GL.W.0007.260206T1600Z-260207T0600Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 340 AM CST Fri Feb 6 2026 ...GALE WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO MIDNIGHT CST TONIGHT... * WHAT...North gales to 35 kt expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 10 AM this morning to midnight CST tonight. * 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. && $$ LMZ740>742-061745- /O.CON.KLOT.SC.Y.0015.260206T1400Z-260207T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 340 AM CST Fri Feb 6 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 3 AM CST SATURDAY... * WHAT...North winds to 30 kt with a few gale force gusts to 35 kt and significant waves to 9 ft occasionally to 12 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 8 AM this morning to 3 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-06 09:00:14 013 WHUS73 KLOT 061459 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 859 AM CST Fri Feb 6 2026 LMZ743>745-062300- /O.CON.KLOT.GL.W.0007.260206T1600Z-260207T0600Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 859 AM CST Fri Feb 6 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...North gales to 35 kt expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until midnight CST tonight. * 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. && $$ LMZ740>742-062300- /O.CON.KLOT.SC.Y.0015.000000T0000Z-260207T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 859 AM CST Fri Feb 6 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST SATURDAY... * WHAT...North winds to 30 kt with a few gale force gusts to 35 kt and significant waves to 9 ft occasionally to 12 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 3 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-06 15:33:24 946 WHUS73 KLOT 062132 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 332 PM CST Fri Feb 6 2026 LMZ743>745-070545- /O.CON.KLOT.GL.W.0007.000000T0000Z-260207T0600Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 332 PM CST Fri Feb 6 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...North winds to 35 kt. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until midnight CST tonight. * 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. && $$ LMZ740>742-070545- /O.CON.KLOT.SC.Y.0015.000000T0000Z-260207T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 332 PM CST Fri Feb 6 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST SATURDAY... * WHAT...North winds to 30 kt and significant waves to 8 ft occasionally to 10 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 3 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-06 21:18:04 463 WHUS73 KLOT 070317 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 917 PM CST Fri Feb 6 2026 LMZ743>745-070600- /O.CON.KLOT.GL.W.0007.000000T0000Z-260207T0600Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 917 PM CST Fri Feb 6 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...North gales to 35 kt. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until midnight CST tonight. * 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. && $$ LMZ740>742-070900- /O.CON.KLOT.SC.Y.0015.000000T0000Z-260207T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 917 PM CST Fri Feb 6 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST SATURDAY... * WHAT...North winds to 30 kt and significant waves to 6 ft occasionally to 8 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 3 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-02-07 00:00:37 195 WHUS73 KLOT 070600 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 1200 AM CST Sat Feb 7 2026 LMZ743>745-070700- /O.EXP.KLOT.GL.W.0007.000000T0000Z-260207T0600Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 1200 AM CST Sat Feb 7 2026 ...GALE WARNING WILL EXPIRE AT MIDNIGHT CST TONIGHT... Winds have subsided in the 15 to 25 kt range and will continue to diminish overnight. Therefore, the Gale Warning will be allowed to expire. $$ LMZ740>742-070900- /O.CON.KLOT.SC.Y.0015.000000T0000Z-260207T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 1200 AM CST Sat Feb 7 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST SATURDAY... * WHAT...North winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 3 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||