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Home Return to list Gale Warning 0012 Issued by the Chicago Forecast Office
Action: New Issued At: 2025-03-27 22:14:14 852 WHUS73 KLOT 280313 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 1013 PM CDT Thu Mar 27 2025 LMZ740>745-281115- /O.UPG.KLOT.GL.A.0010.250328T1800Z-250329T0800Z/ /O.NEW.KLOT.GL.W.0012.250328T1800Z-250329T0800Z/ 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- 1013 PM CDT Thu Mar 27 2025 ...GALE WARNING IN EFFECT FROM 1 PM FRIDAY TO 3 AM CDT SATURDAY... * WHAT...Southwest gales to 35 kt and significant waves to 5 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 1 PM Friday to 3 AM CDT Saturday. * 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. && $$ Action: Continued Issued At: 2025-03-28 03:37:33 636 WHUS73 KLOT 280837 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 337 AM CDT Fri Mar 28 2025 LMZ740>745-281645- /O.CON.KLOT.GL.W.0012.250328T1800Z-250329T0800Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 337 AM CDT Fri Mar 28 2025 ...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 3 AM CDT SATURDAY... * WHAT...Southwest gales to 35 kt and significant waves to 5 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 1 PM this afternoon to 3 AM CDT Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Continued Issued At: 2025-03-28 09:44:00 522 WHUS73 KLOT 281443 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 943 AM CDT Fri Mar 28 2025 LMZ740>745-282245- /O.CON.KLOT.GL.W.0012.250328T1800Z-250329T0800Z/ 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- 943 AM CDT Fri Mar 28 2025 ...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 3 AM CDT SATURDAY... * WHAT...Southwest gales to 35 kt and significant waves to 5 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 1 PM this afternoon to 3 AM CDT Saturday. * 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. && $$ Action: Continued Issued At: 2025-03-28 15:01:26 710 WHUS73 KLOT 281959 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 259 PM CDT Fri Mar 28 2025 LMZ740>745-290400- /O.CON.KLOT.GL.W.0012.000000T0000Z-250329T0800Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 259 PM CDT Fri Mar 28 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CDT SATURDAY... * WHAT...Southwest winds to 35 kt and significant waves to 5 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 3 AM CDT Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Continued Issued At: 2025-03-28 21:27:38 251 WHUS73 KLOT 290226 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 926 PM CDT Fri Mar 28 2025 LMZ740>745-290800- /O.CON.KLOT.GL.W.0012.000000T0000Z-250329T0800Z/ 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- 926 PM CDT Fri Mar 28 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CDT SATURDAY... * 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 3 AM CDT Saturday. * 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. && $$ Action: Expired Issued At: 2025-03-29 02:56:48 678 WHUS73 KLOT 290756 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 256 AM CDT Sat Mar 29 2025 LMZ740>742-291500- /O.EXP.KLOT.GL.W.0012.000000T0000Z-250329T0800Z/ /O.NEW.KLOT.SC.Y.0039.250329T0800Z-250329T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 256 AM CDT Sat Mar 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Southwest winds to 30 kt and significant waves to 5 ft. Occasional gale gusts to 35 kt early this morning. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-291600- /O.EXP.KLOT.GL.W.0012.000000T0000Z-250329T0800Z/ /O.NEW.KLOT.SC.Y.0039.250329T0800Z-250329T2100Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 256 AM CDT Sat Mar 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Southwest winds to 30 kt and significant waves to 5 ft. Occasional gale gusts to 35 kt early this morning. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2025-03-29 02:56:48 678 WHUS73 KLOT 290756 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 256 AM CDT Sat Mar 29 2025 LMZ740>742-291500- /O.EXP.KLOT.GL.W.0012.000000T0000Z-250329T0800Z/ /O.NEW.KLOT.SC.Y.0039.250329T0800Z-250329T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 256 AM CDT Sat Mar 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Southwest winds to 30 kt and significant waves to 5 ft. Occasional gale gusts to 35 kt early this morning. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-291600- /O.EXP.KLOT.GL.W.0012.000000T0000Z-250329T0800Z/ /O.NEW.KLOT.SC.Y.0039.250329T0800Z-250329T2100Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 256 AM CDT Sat Mar 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Southwest winds to 30 kt and significant waves to 5 ft. Occasional gale gusts to 35 kt early this morning. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||