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Home Return to list Gale Watch 0011 Issued by the Chicago Forecast Office
Action: New Issued At: 2025-03-31 14:59:22 252 WHUS73 KLOT 311958 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 258 PM CDT Mon Mar 31 2025 LMZ740>742-010400- /O.CON.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/ /O.NEW.KLOT.GL.A.0011.250402T0300Z-250402T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 258 PM CDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT TUESDAY... ...GALE WATCH IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY MORNING... * WHAT...For the Small Craft Advisory, significant waves to 6 ft. For the Gale Watch, southeast winds to 35 kt and significant waves to 10 ft occasionally to 13 ft possible. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Small Craft Advisory, until 4 AM CDT Tuesday. For the Gale Watch, from Tuesday evening through Wednesday 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. && $$ LMZ743>745-010400- /O.CON.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 258 PM CDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT TUESDAY... * WHAT...North winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until 4 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-03-31 22:03:47 754 WHUS73 KLOT 010303 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 1003 PM CDT Mon Mar 31 2025 LMZ740>742-011115- /O.CAN.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/ /O.CON.KLOT.GL.A.0011.250402T0300Z-250402T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 1003 PM CDT Mon Mar 31 2025 ...GALE WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY MORNING... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Southeast winds to 35 kt and significant waves to 10 ft occasionally to 13 ft possible. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From Tuesday evening through Wednesday 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. && $$ LMZ743>745-010900- /O.CON.KLOT.SC.Y.0040.000000T0000Z-250401T0900Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 1003 PM CDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT TUESDAY... * WHAT...Northeast winds to 20 kt and significant waves to 6 ft occasionally to 8 ft. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until 4 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Upgraded 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. && $$ LMZ740>742-011645- /O.UPG.KLOT.GL.A.0011.250402T0300Z-250402T1500Z/ /O.NEW.KLOT.GL.W.0013.250402T0600Z-250402T2300Z/ /O.NEW.KLOT.SC.Y.0041.250402T0000Z-250402T0600Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 342 AM CDT Tue Apr 1 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 AM CDT WEDNESDAY... ...GALE WARNING IN EFFECT FROM 1 AM TO 6 PM CDT WEDNESDAY... * WHAT...For the Small Craft Advisory, southeast winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. For the Gale Warning, southeast gales to 35 kt becoming southwest Wednesday afternoon and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 1 AM CDT Wednesday. For the Gale Warning, from 1 AM to 6 PM CDT Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||