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Home Return to list Small Craft Advisory 0092 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-11-01 13:59:21 615 WHUS73 KLOT 011958 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 158 PM CST Sun Nov 1 2026 LMZ740>742-020400- /O.NEW.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 158 PM CST Sun Nov 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM MONDAY TO 6 AM CST WEDNESDAY... * WHAT...South winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 6 PM Monday to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-01 21:04:04 695 WHUS73 KLOT 020303 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 903 PM CST Sun Nov 1 2026 LMZ740>742-021115- /O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 903 PM CST Sun Nov 1 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM MONDAY TO 6 AM CST WEDNESDAY... * WHAT...South winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 6 PM Monday to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-02 03:11:44 726 WHUS73 KLOT 020911 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 311 AM CST Mon Nov 2 2026 LMZ743>745-021715- /O.EXB.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 311 AM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TUESDAY TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 4 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 9 AM Tuesday to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>742-021715- /O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 311 AM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 6 PM this evening to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time and Area Extended Issued At: 2026-11-02 03:11:44 726 WHUS73 KLOT 020911 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 311 AM CST Mon Nov 2 2026 LMZ743>745-021715- /O.EXB.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 311 AM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM TUESDAY TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 4 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 9 AM Tuesday to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>742-021715- /O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 311 AM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 6 PM this evening to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-02 09:35:16 829 WHUS73 KLOT 021534 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 934 AM CST Mon Nov 2 2026 LMZ740>742-022345- /O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 934 AM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 6 PM this evening to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-022345- /O.CON.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 934 AM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TUESDAY TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 4 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 9 AM Tuesday to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-02 09:35:16 829 WHUS73 KLOT 021534 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 934 AM CST Mon Nov 2 2026 LMZ740>742-022345- /O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 934 AM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 6 PM this evening to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-022345- /O.CON.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 934 AM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TUESDAY TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 4 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 9 AM Tuesday to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-02 14:14:54 497 WHUS73 KLOT 022014 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 214 PM CST Mon Nov 2 2026 LMZ740>742-030415- /O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 214 PM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 6 PM this evening to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-030415- /O.CON.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 214 PM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TUESDAY TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 4 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 9 AM Tuesday to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-02 14:14:54 497 WHUS73 KLOT 022014 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 214 PM CST Mon Nov 2 2026 LMZ740>742-030415- /O.CON.KLOT.SC.Y.0092.261103T0000Z-261104T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 214 PM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 6 PM this evening to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-030415- /O.CON.KLOT.SC.Y.0092.261103T1500Z-261104T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 214 PM CST Mon Nov 2 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TUESDAY TO 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 4 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 9 AM Tuesday to 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-03 09:31:54 058 WHUS73 KLOT 031531 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 931 AM CST Tue Nov 3 2026 LMZ740>745-032345- /O.CON.KLOT.SC.Y.0092.000000T0000Z-261104T1200Z/ 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- 931 AM CST Tue Nov 3 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 6 ft occasionally to 8 ft occurring. Occasional gales to 35 kt expected through this evening. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 6 AM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-11-03 14:33:36 761 WHUS73 KLOT 032033 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 233 PM CST Tue Nov 3 2026 LMZ740>745-040445- /O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T0300Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 233 PM CST Tue Nov 3 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 5 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 9 PM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-03 21:24:18 988 WHUS73 KLOT 040324 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 924 PM CST Tue Nov 3 2026 LMZ740>745-041130- /O.CON.KLOT.SC.Y.0092.000000T0000Z-261105T0300Z/ 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- 924 PM CST Tue Nov 3 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST WEDNESDAY... * WHAT...South winds to 30 kt and significant waves to 5 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor, IL to Michigan City, IN. * WHEN...Until 9 PM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-11-04 02:55:55 545 WHUS73 KLOT 040855 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 255 AM CST Wed Nov 4 2026 LMZ740>745-041700- /O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 255 AM CST Wed Nov 4 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM CST THURSDAY... * WHAT...Southwest winds to 25 kt and significant waves to 5 ft. Gusts to 30 kt briefly early this morning. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 3 PM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-04 09:55:14 409 WHUS73 KLOT 041554 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 954 AM CST Wed Nov 4 2026 LMZ740>745-050000- /O.CON.KLOT.SC.Y.0092.000000T0000Z-261105T2100Z/ 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- 954 AM CST Wed Nov 4 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THURSDAY... * WHAT...Southwest winds to 25 kt and significant waves to 5 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 3 PM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-04 13:55:31 670 WHUS73 KLOT 041955 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL Issued by National Weather Service Northern Indiana 155 PM CST Wed Nov 4 2026 LMZ740>745-050400- /O.CON.KLOT.SC.Y.0092.000000T0000Z-261105T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 155 PM CST Wed Nov 4 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THURSDAY... * WHAT...Southwest winds to 25 kt and significant waves to 4 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 3 PM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-11-04 21:28:45 948 WHUS73 KLOT 050328 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 928 PM CST Wed Nov 4 2026 LMZ740>745-051130- /O.CON.KLOT.SC.Y.0092.000000T0000Z-261105T2100Z/ 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- 928 PM CST Wed Nov 4 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THURSDAY... * WHAT...Southwest winds to 25 kt and significant waves to 4 ft. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 3 PM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-11-05 03:03:25 615 WHUS73 KLOT 050903 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 303 AM CST Thu Nov 5 2026 LMZ740>742-051715- /O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/ /O.NEW.KLOT.SC.Y.0093.261106T0000Z-261107T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 303 AM CST Thu Nov 5 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST SATURDAY... * WHAT...For the first Small Craft Advisory, southwest winds to 25 kt. For the second Small Craft Advisory, northwest winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the first Small Craft Advisory, until 9 AM CST this morning. For the second Small Craft Advisory, from 6 PM this evening to 9 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-051715- /O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/ /O.NEW.KLOT.SC.Y.0093.261106T0000Z-261107T2100Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 303 AM CST Thu Nov 5 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST SATURDAY... * WHAT...For the first Small Craft Advisory, southwest winds to 25 kt and significant waves to 4 ft. For the second Small Craft Advisory, northwest winds to 30 kt with a few gale force gusts to 35 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the first Small Craft Advisory, until 9 AM CST this morning. For the second Small Craft Advisory, from 6 PM this evening to 3 PM 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. && $$ Action: Time Extended Issued At: 2026-11-05 03:03:25 615 WHUS73 KLOT 050903 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 303 AM CST Thu Nov 5 2026 LMZ740>742-051715- /O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/ /O.NEW.KLOT.SC.Y.0093.261106T0000Z-261107T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 303 AM CST Thu Nov 5 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST SATURDAY... * WHAT...For the first Small Craft Advisory, southwest winds to 25 kt. For the second Small Craft Advisory, northwest winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the first Small Craft Advisory, until 9 AM CST this morning. For the second Small Craft Advisory, from 6 PM this evening to 9 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-051715- /O.EXT.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/ /O.NEW.KLOT.SC.Y.0093.261106T0000Z-261107T2100Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 303 AM CST Thu Nov 5 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST SATURDAY... * WHAT...For the first Small Craft Advisory, southwest winds to 25 kt and significant waves to 4 ft. For the second Small Craft Advisory, northwest winds to 30 kt with a few gale force gusts to 35 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the first Small Craft Advisory, until 9 AM CST this morning. For the second Small Craft Advisory, from 6 PM this evening to 3 PM 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. && $$ Action: Expired Issued At: 2026-11-05 08:37:42 363 WHUS73 KLOT 051437 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 837 AM CST Thu Nov 5 2026 LMZ740>742-052245- /O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/ /O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 837 AM CST Thu Nov 5 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST SATURDAY... * WHAT...Northwest winds to 30 kt and significant waves to 9 ft occasionally to 12 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the first Small Craft Advisory, until 9 AM CST this morning. For the second Small Craft Advisory, from 6 PM this evening to 9 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-052245- /O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/ /O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T2100Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 837 AM CST Thu Nov 5 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST SATURDAY... * WHAT...Northwest winds to 30 kt with a few gale force gusts to 35 kt and significant waves to 12 ft occasionally to 16 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the first Small Craft Advisory, until 9 AM CST this morning. For the second Small Craft Advisory, from 6 PM this evening to 3 PM 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. && $$ Action: Expired Issued At: 2026-11-05 08:37:42 363 WHUS73 KLOT 051437 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 837 AM CST Thu Nov 5 2026 LMZ740>742-052245- /O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/ /O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 837 AM CST Thu Nov 5 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST SATURDAY... * WHAT...Northwest winds to 30 kt and significant waves to 9 ft occasionally to 12 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the first Small Craft Advisory, until 9 AM CST this morning. For the second Small Craft Advisory, from 6 PM this evening to 9 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-052245- /O.EXP.KLOT.SC.Y.0092.000000T0000Z-261105T1500Z/ /O.CON.KLOT.SC.Y.0093.261106T0000Z-261107T2100Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 837 AM CST Thu Nov 5 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 3 PM CST SATURDAY... * WHAT...Northwest winds to 30 kt with a few gale force gusts to 35 kt and significant waves to 12 ft occasionally to 16 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the first Small Craft Advisory, until 9 AM CST this morning. For the second Small Craft Advisory, from 6 PM this evening to 3 PM 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. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||