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Home Return to list Small Craft Advisory 0081 Issued by the Chicago Forecast Office
Action: Continued Issued At: 2026-09-17 21:37:28 289 WHUS73 KLOT 180236 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 936 PM CDT Thu Sep 17 2026 LMZ740-181045- /O.CON.KLOT.SC.Y.0081.260918T1200Z-260918T2000Z/ Winthrop Harbor to Wilmette Harbor IL- 936 PM CDT Thu Sep 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 3 PM CDT FRIDAY... * WHAT...East winds to 20 kt. Significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor, IL. * WHEN...From 7 AM to 3 PM CDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-18 03:26:36 258 WHUS73 KLOT 180826 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 326 AM CDT Fri Sep 18 2026 LMZ740-181630- /O.CON.KLOT.SC.Y.0081.260918T1200Z-260918T2000Z/ Winthrop Harbor to Wilmette Harbor IL- 326 AM CDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 3 PM CDT THIS AFTERNOON... * WHAT...Northeast winds to 20 kt. Significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL. * WHEN...From 7 AM this morning to 3 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-18 09:35:15 581 WHUS73 KLOT 181434 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 934 AM CDT Fri Sep 18 2026 LMZ740-182000- /O.CON.KLOT.SC.Y.0081.000000T0000Z-260918T2000Z/ Winthrop Harbor to Wilmette Harbor IL- 934 AM CDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...East winds to 20 kt. Significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor 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. && $$ Action: Expired Issued At: 2026-09-18 15:06:54 960 WHUS73 KLOT 182006 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 306 PM CDT Fri Sep 18 2026 LMZ740-190415- /O.EXP.KLOT.SC.Y.0081.000000T0000Z-260918T2000Z/ /O.NEW.KLOT.SC.Y.0082.260919T0300Z-260919T2000Z/ Winthrop Harbor to Wilmette Harbor IL- 306 PM CDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 3 PM CDT SATURDAY... ...PREVIOUS SMALL CRAFT ADVISORY HAS EXPIRED... * WHAT...Southeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL. * WHEN...From 10 PM this evening to 3 PM CDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ 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. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||