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Home Return to list Small Craft Advisory 0082 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-09-18 15:06:54 960 WHUS73 KLOT 182006 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 306 PM CDT Fri Sep 18 2026 LMZ740-190415- /O.EXP.KLOT.SC.Y.0081.000000T0000Z-260918T2000Z/ /O.NEW.KLOT.SC.Y.0082.260919T0300Z-260919T2000Z/ Winthrop Harbor to Wilmette Harbor IL- 306 PM CDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 3 PM CDT SATURDAY... ...PREVIOUS SMALL CRAFT ADVISORY HAS EXPIRED... * WHAT...Southeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL. * WHEN...From 10 PM this evening to 3 PM CDT 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. && $$ LMZ741-190415- /O.NEW.KLOT.SC.Y.0082.260919T0300Z-260919T2000Z/ Wilmette Harbor to Northerly Island IL- 306 PM CDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 3 PM CDT SATURDAY... * WHAT...Southeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Wilmette Harbor to Northerly Island IL. * WHEN...From 10 PM this evening to 3 PM CDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-09-18 15:06:54 960 WHUS73 KLOT 182006 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 306 PM CDT Fri Sep 18 2026 LMZ740-190415- /O.EXP.KLOT.SC.Y.0081.000000T0000Z-260918T2000Z/ /O.NEW.KLOT.SC.Y.0082.260919T0300Z-260919T2000Z/ Winthrop Harbor to Wilmette Harbor IL- 306 PM CDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 3 PM CDT SATURDAY... ...PREVIOUS SMALL CRAFT ADVISORY HAS EXPIRED... * WHAT...Southeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL. * WHEN...From 10 PM this evening to 3 PM CDT 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. && $$ LMZ741-190415- /O.NEW.KLOT.SC.Y.0082.260919T0300Z-260919T2000Z/ Wilmette Harbor to Northerly Island IL- 306 PM CDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 3 PM CDT SATURDAY... * WHAT...Southeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Wilmette Harbor to Northerly Island IL. * WHEN...From 10 PM this evening to 3 PM CDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-18 21:54:36 835 WHUS73 KLOT 190254 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 954 PM CDT Fri Sep 18 2026 LMZ740-741-191100- /O.CON.KLOT.SC.Y.0082.260919T0300Z-260919T2000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- 954 PM CDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT SATURDAY... * WHAT...Southeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Northerly Island, IL. * WHEN...Until 3 PM CDT 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. && $$ Action: Continued Issued At: 2026-09-19 03:10:14 100 WHUS73 KLOT 190809 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 309 AM CDT Sat Sep 19 2026 LMZ740-741-191615- /O.CON.KLOT.SC.Y.0082.000000T0000Z-260919T2000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- 309 AM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...Southeast winds to 25 kt and significant waves to 6 ft occasionally to 8 ft. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-19 09:22:14 604 WHUS73 KLOT 191421 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 921 AM CDT Sat Sep 19 2026 LMZ740-741-192000- /O.CON.KLOT.SC.Y.0082.000000T0000Z-260919T2000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- 921 AM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...Southeast winds to 20 kt and significant waves to 6 ft occasionally to 8 ft. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...Until 3 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. && $$ Action: Expired Issued At: 2026-09-19 14:56:24 025 WHUS73 KLOT 191956 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 256 PM CDT Sat Sep 19 2026 LMZ740-741-200400- /O.EXP.KLOT.SC.Y.0082.000000T0000Z-260919T2000Z/ /O.NEW.KLOT.SC.Y.0083.260920T1200Z-260923T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- 256 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM SUNDAY TO 7 PM CDT TUESDAY... ...PREVIOUS SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM CDT THIS AFTERNOON... * WHAT...Northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...From 7 AM Sunday to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ742-200400- /O.NEW.KLOT.SC.Y.0083.260920T1200Z-260923T0000Z/ Northerly Island to Calumet Harbor IL- 256 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM SUNDAY TO 7 PM CDT TUESDAY... * WHAT...Northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Northerly Island to Calumet Harbor IL. * WHEN...From 7 AM Sunday to 7 PM 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. && $$ LMZ743-744-200400- /O.NEW.KLOT.SC.Y.0083.260920T1500Z-260923T0000Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- 256 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 7 PM CDT TUESDAY... * WHAT...Northeast winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Calumet Harbor IL to Burns Harbor IN. * WHEN...From 10 AM Sunday to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ745-200400- /O.NEW.KLOT.SC.Y.0083.260920T1800Z-260921T1200Z/ Burns Harbor to Michigan City IN- 256 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM SUNDAY TO 7 AM CDT MONDAY... * WHAT...Northeast winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Burns Harbor to Michigan City IN. * WHEN...From 1 PM Sunday to 7 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||