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Home Return to list Small Craft Advisory 0096 Issued by the Chicago Forecast Office
Action: New Issued At: 2025-11-04 02:53:37 198 WHUS73 KLOT 040853 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 253 AM CST Tue Nov 4 2025 LMZ740>743-041700- /O.NEW.KLOT.SC.Y.0096.251105T0100Z-251106T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 253 AM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 6 PM CST WEDNESDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 5 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 7 PM this evening to 6 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. && $$ LMZ744-745-041700- /O.NEW.KLOT.SC.Y.0096.251105T0100Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 253 AM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 7 PM this evening to 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2025-11-04 02:53:37 198 WHUS73 KLOT 040853 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 253 AM CST Tue Nov 4 2025 LMZ740>743-041700- /O.NEW.KLOT.SC.Y.0096.251105T0100Z-251106T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 253 AM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 6 PM CST WEDNESDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 5 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 7 PM this evening to 6 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. && $$ LMZ744-745-041700- /O.NEW.KLOT.SC.Y.0096.251105T0100Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 253 AM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 7 PM this evening to 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-04 09:43:45 845 WHUS73 KLOT 041543 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 943 AM CST Tue Nov 4 2025 LMZ740>743-042345- /O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 943 AM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 6 PM CST WEDNESDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 5 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 7 PM this evening to 6 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. && $$ LMZ744-745-042345- /O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 943 AM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 7 PM this evening to 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-04 09:43:45 845 WHUS73 KLOT 041543 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 943 AM CST Tue Nov 4 2025 LMZ740>743-042345- /O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 943 AM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 6 PM CST WEDNESDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 5 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 7 PM this evening to 6 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. && $$ LMZ744-745-042345- /O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 943 AM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 7 PM this evening to 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-04 14:49:22 208 WHUS73 KLOT 042048 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 248 PM CST Tue Nov 4 2025 LMZ740>743-050500- /O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 248 PM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 6 PM CST WEDNESDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 6 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 7 PM this evening to 6 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. && $$ LMZ744-745-050500- /O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 248 PM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 7 PM this evening to 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-04 14:49:22 208 WHUS73 KLOT 042048 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 248 PM CST Tue Nov 4 2025 LMZ740>743-050500- /O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 248 PM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 6 PM CST WEDNESDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 6 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 7 PM this evening to 6 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. && $$ LMZ744-745-050500- /O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 248 PM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 7 PM this evening to 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-04 21:39:34 320 WHUS73 KLOT 050338 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 938 PM CST Tue Nov 4 2025 LMZ740>743-051145- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 938 PM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST WEDNESDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight becoming northwest to 30 kt on Wednesday expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 7 PM this evening to 6 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. && $$ LMZ744-745-051145- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 938 PM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight becoming northwest to 30 kt on Wednesday expected. Significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 7 PM this evening to 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-04 21:39:34 320 WHUS73 KLOT 050338 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 938 PM CST Tue Nov 4 2025 LMZ740>743-051145- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 938 PM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST WEDNESDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight becoming northwest to 30 kt on Wednesday expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 7 PM this evening to 6 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. && $$ LMZ744-745-051145- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 938 PM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight becoming northwest to 30 kt on Wednesday expected. Significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 7 PM this evening to 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-05 02:57:42 436 WHUS73 KLOT 050857 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 257 AM CST Wed Nov 5 2025 LMZ740>743-051700- /O.EXT.KLOT.SC.Y.0096.000000T0000Z-251106T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 257 AM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM CST THIS EVENING... * WHAT...Southwest winds to 30 kt becoming northwest later this morning and significant waves to 6 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 10 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ744-745-051700- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 257 AM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt becoming northwest later this morning and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2025-11-05 02:57:42 436 WHUS73 KLOT 050857 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 257 AM CST Wed Nov 5 2025 LMZ740>743-051700- /O.EXT.KLOT.SC.Y.0096.000000T0000Z-251106T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 257 AM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM CST THIS EVENING... * WHAT...Southwest winds to 30 kt becoming northwest later this morning and significant waves to 6 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 10 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ744-745-051700- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 257 AM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Southwest winds to 30 kt becoming northwest later this morning and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-05 09:50:45 232 WHUS73 KLOT 051550 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 950 AM CST Wed Nov 5 2025 LMZ740>743-060000- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 950 AM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING... * WHAT...Northwest winds to 30 kt and significant waves to 6 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 10 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ744-745-060000- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 950 AM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Northwest winds to 30 kt and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-05 09:50:45 232 WHUS73 KLOT 051550 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 950 AM CST Wed Nov 5 2025 LMZ740>743-060000- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 950 AM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING... * WHAT...Northwest winds to 30 kt and significant waves to 6 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 10 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ744-745-060000- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 950 AM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Northwest winds to 30 kt and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-05 14:49:52 851 WHUS73 KLOT 052049 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 249 PM CST Wed Nov 5 2025 LMZ740>743-060400- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 249 PM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING... * WHAT...Northwest winds to 25 kt and significant waves to 6 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 10 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ744-745-060500- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 249 PM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Northwest winds to 30 kt and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-05 14:49:52 851 WHUS73 KLOT 052049 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 249 PM CST Wed Nov 5 2025 LMZ740>743-060400- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 249 PM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING... * WHAT...Northwest winds to 25 kt and significant waves to 6 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 10 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ744-745-060500- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 249 PM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Northwest winds to 30 kt and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-05 21:09:02 509 WHUS73 KLOT 060308 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 908 PM CST Wed Nov 5 2025 LMZ740>743-060415- /O.CAN.KLOT.SC.Y.0096.000000T0000Z-251106T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 908 PM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY IS CANCELLED... The small craft advisory has been cancelled. $$ LMZ744-745-060900- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 908 PM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Waves to 6 ft occasionally to 8 ft. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Cancelled Issued At: 2025-11-05 21:09:02 509 WHUS73 KLOT 060308 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 908 PM CST Wed Nov 5 2025 LMZ740>743-060415- /O.CAN.KLOT.SC.Y.0096.000000T0000Z-251106T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 908 PM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY IS CANCELLED... The small craft advisory has been cancelled. $$ LMZ744-745-060900- /O.CON.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 908 PM CST Wed Nov 5 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST THURSDAY... * WHAT...Waves to 6 ft occasionally to 8 ft. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2025-11-06 03:27:10 464 WHUS73 KLOT 060926 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 326 AM CST Thu Nov 6 2025 LMZ744-745-061730- /O.EXP.KLOT.SC.Y.0096.000000T0000Z-251106T0900Z/ /O.NEW.KLOT.SC.Y.0097.251107T0000Z-251107T1200Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 326 AM CST Thu Nov 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST FRIDAY... * WHAT...South winds to 30 kt with occasional gales to 35 kt and significant waves to 4 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 6 PM this evening to 6 AM CST 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. && $$ LMZ740>742-061730- /O.NEW.KLOT.SC.Y.0097.251107T0000Z-251107T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 326 AM CST Thu Nov 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST FRIDAY... * WHAT...South winds to 30 kt with occasional gales to 35 kt and significant waves to 6 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 6 PM this evening to 6 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743-061730- /O.NEW.KLOT.SC.Y.0097.251107T0000Z-251107T1200Z/ Calumet Harbor IL to Gary IN- 326 AM CST Thu Nov 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST FRIDAY... * WHAT...South winds to 30 kt with occasional gales to 35 kt and significant waves to 4 ft expected. * WHERE...Calumet Harbor IL to Gary IN. * WHEN...From 6 PM this evening to 6 AM CST 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. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||