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Home Return to list Small Craft Advisory 0116 Issued by the Chicago Forecast Office
Action: New Issued At: 2025-12-19 03:10:50 053 WHUS73 KLOT 190910 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 310 AM CST Fri Dec 19 2025 LMZ740>743-191715- /O.CON.KLOT.GL.W.0032.000000T0000Z-251219T1500Z/ /O.NEW.KLOT.SC.Y.0116.251219T1500Z-251219T2000Z/ /O.NEW.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 310 AM CST Fri Dec 19 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 2 PM CST THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the Gale Warning, west gales to 35 kt and significant waves to 6 ft occasionally to 8 ft expected. For the first Small Craft Advisory, northwest winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. For the second Small Craft Advisory, southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the Gale Warning, until 9 AM CST this morning. For the first Small Craft Advisory, from 9 AM this morning to 2 PM CST this afternoon. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...A few gale force gusts possible late tonight into Saturday morning. 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. && $$ LMZ744-745-191715- /O.CON.KLOT.GL.W.0032.000000T0000Z-251219T1800Z/ /O.NEW.KLOT.SC.Y.0116.251219T1800Z-251220T0200Z/ /O.NEW.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 310 AM CST Fri Dec 19 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the Gale Warning, west winds to 40 kt and significant waves to 11 ft occasionally to 14 ft expected. For the first Small Craft Advisory, west winds to 25 kt and significant waves to 9 ft occasionally to 12 ft expected. For the second Small Craft Advisory, south winds to 35 kt and significant waves to 5 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the Gale Warning, until noon CST today. For the first Small Craft Advisory, from noon today to 8 PM CST this evening. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...A few gale force gusts possible late tonight into Saturday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: New Issued At: 2025-12-19 03:10:50 053 WHUS73 KLOT 190910 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 310 AM CST Fri Dec 19 2025 LMZ740>743-191715- /O.CON.KLOT.GL.W.0032.000000T0000Z-251219T1500Z/ /O.NEW.KLOT.SC.Y.0116.251219T1500Z-251219T2000Z/ /O.NEW.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 310 AM CST Fri Dec 19 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 2 PM CST THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the Gale Warning, west gales to 35 kt and significant waves to 6 ft occasionally to 8 ft expected. For the first Small Craft Advisory, northwest winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. For the second Small Craft Advisory, southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the Gale Warning, until 9 AM CST this morning. For the first Small Craft Advisory, from 9 AM this morning to 2 PM CST this afternoon. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...A few gale force gusts possible late tonight into Saturday morning. 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. && $$ LMZ744-745-191715- /O.CON.KLOT.GL.W.0032.000000T0000Z-251219T1800Z/ /O.NEW.KLOT.SC.Y.0116.251219T1800Z-251220T0200Z/ /O.NEW.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 310 AM CST Fri Dec 19 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the Gale Warning, west winds to 40 kt and significant waves to 11 ft occasionally to 14 ft expected. For the first Small Craft Advisory, west winds to 25 kt and significant waves to 9 ft occasionally to 12 ft expected. For the second Small Craft Advisory, south winds to 35 kt and significant waves to 5 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the Gale Warning, until noon CST today. For the first Small Craft Advisory, from noon today to 8 PM CST this evening. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...A few gale force gusts possible late tonight into Saturday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Continued Issued At: 2025-12-19 09:10:14 375 WHUS73 KLOT 191509 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 909 AM CST Fri Dec 19 2025 LMZ740>743-192315- /O.EXP.KLOT.GL.W.0032.000000T0000Z-251219T1500Z/ /O.CON.KLOT.SC.Y.0116.000000T0000Z-251219T2000Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 909 AM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... ...GALE WARNING HAS EXPIRED... * WHAT...For the first Small Craft Advisory, northwest winds to 30 kt. For the second Small Craft Advisory, southwest winds to 30 kt. Significant waves up to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the first Small Craft Advisory, until 2 PM CST this afternoon. For the second Small Craft Advisory, from midnight tonight 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. && $$ LMZ744-745-192315- /O.CON.KLOT.GL.W.0032.000000T0000Z-251219T1800Z/ /O.CON.KLOT.SC.Y.0116.251219T1800Z-251220T0200Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 909 AM CST Fri Dec 19 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the Gale Warning, northwest winds to 35 kt and significant waves to 10 ft occasionally to 13 ft. For the first Small Craft Advisory, west winds to 30 kt and significant waves to 9 ft occasionally to 12 ft expected. For the second Small Craft Advisory, south winds to 30 kt and significant waves to 5 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the Gale Warning, until noon CST today. For the first Small Craft Advisory, until 8 PM CST this evening. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Continued Issued At: 2025-12-19 09:10:14 375 WHUS73 KLOT 191509 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 909 AM CST Fri Dec 19 2025 LMZ740>743-192315- /O.EXP.KLOT.GL.W.0032.000000T0000Z-251219T1500Z/ /O.CON.KLOT.SC.Y.0116.000000T0000Z-251219T2000Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 909 AM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... ...GALE WARNING HAS EXPIRED... * WHAT...For the first Small Craft Advisory, northwest winds to 30 kt. For the second Small Craft Advisory, southwest winds to 30 kt. Significant waves up to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the first Small Craft Advisory, until 2 PM CST this afternoon. For the second Small Craft Advisory, from midnight tonight 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. && $$ LMZ744-745-192315- /O.CON.KLOT.GL.W.0032.000000T0000Z-251219T1800Z/ /O.CON.KLOT.SC.Y.0116.251219T1800Z-251220T0200Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 909 AM CST Fri Dec 19 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the Gale Warning, northwest winds to 35 kt and significant waves to 10 ft occasionally to 13 ft. For the first Small Craft Advisory, west winds to 30 kt and significant waves to 9 ft occasionally to 12 ft expected. For the second Small Craft Advisory, south winds to 30 kt and significant waves to 5 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the Gale Warning, until noon CST today. For the first Small Craft Advisory, until 8 PM CST this evening. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Continued Issued At: 2025-12-19 12:02:49 059 WHUS73 KLOT 191802 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 1202 PM CST Fri Dec 19 2025 LMZ744-745-200215- /O.EXP.KLOT.GL.W.0032.000000T0000Z-251219T1800Z/ /O.CON.KLOT.SC.Y.0116.000000T0000Z-251220T0200Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 1202 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... ...GALE WARNING HAS EXPIRED... * WHAT...For the first Small Craft Advisory, west winds to 25 kt and significant waves to 8 ft occasionally to 10 ft. For the second Small Craft Advisory, south winds to 30 kt and significant waves to 5 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the first Small Craft Advisory, until 8 PM CST this evening. For the second Small Craft Advisory, from midnight tonight 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. && $$ LMZ740>743-200215- /O.CON.KLOT.SC.Y.0116.000000T0000Z-251219T2000Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 1202 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the first Small Craft Advisory, west winds to 25 kt and significant waves to 5 ft. For the second Small Craft Advisory, southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the first Small Craft Advisory, until 2 PM CST this afternoon. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-19 12:02:49 059 WHUS73 KLOT 191802 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 1202 PM CST Fri Dec 19 2025 LMZ744-745-200215- /O.EXP.KLOT.GL.W.0032.000000T0000Z-251219T1800Z/ /O.CON.KLOT.SC.Y.0116.000000T0000Z-251220T0200Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 1202 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... ...GALE WARNING HAS EXPIRED... * WHAT...For the first Small Craft Advisory, west winds to 25 kt and significant waves to 8 ft occasionally to 10 ft. For the second Small Craft Advisory, south winds to 30 kt and significant waves to 5 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the first Small Craft Advisory, until 8 PM CST this evening. For the second Small Craft Advisory, from midnight tonight 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. && $$ LMZ740>743-200215- /O.CON.KLOT.SC.Y.0116.000000T0000Z-251219T2000Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 1202 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM CST THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the first Small Craft Advisory, west winds to 25 kt and significant waves to 5 ft. For the second Small Craft Advisory, southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...For the first Small Craft Advisory, until 2 PM CST this afternoon. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-19 14:04:53 178 WHUS73 KLOT 192004 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 204 PM CST Fri Dec 19 2025 LMZ740>743-200415- /O.EXP.KLOT.SC.Y.0116.000000T0000Z-251219T2000Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 204 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... ...SMALL CRAFT ADVISORY HAS EXPIRED... * WHAT...Southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From midnight tonight 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. && $$ LMZ744-745-200415- /O.CON.KLOT.SC.Y.0116.000000T0000Z-251220T0200Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 204 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the first Small Craft Advisory, west winds to 20 kt and significant waves to 7 ft occasionally to 9 ft. For the second Small Craft Advisory, south to southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the first Small Craft Advisory, until 8 PM CST this evening. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2025-12-19 14:04:53 178 WHUS73 KLOT 192004 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 204 PM CST Fri Dec 19 2025 LMZ740>743-200415- /O.EXP.KLOT.SC.Y.0116.000000T0000Z-251219T2000Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 204 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... ...SMALL CRAFT ADVISORY HAS EXPIRED... * WHAT...Southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From midnight tonight 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. && $$ LMZ744-745-200415- /O.CON.KLOT.SC.Y.0116.000000T0000Z-251220T0200Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251220T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 204 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST SATURDAY... * WHAT...For the first Small Craft Advisory, west winds to 20 kt and significant waves to 7 ft occasionally to 9 ft. For the second Small Craft Advisory, south to southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...For the first Small Craft Advisory, until 8 PM CST this evening. For the second Small Craft Advisory, from midnight tonight to 3 PM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2025-12-19 15:19:55 419 WHUS73 KLOT 192119 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 319 PM CST Fri Dec 19 2025 LMZ744-745-200530- /O.EXT.KLOT.SC.Y.0116.000000T0000Z-251220T0000Z/ /O.EXT.KLOT.SC.Y.0117.251220T0600Z-251221T1800Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 319 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SUNDAY... * WHAT...For the first Small Craft Advisory, significant waves to 6 ft occasionally to 8 ft. For the second Small Craft Advisory, winds to 30 kt and significant waves up to 7 ft occasionally to 9 ft expected. A few gusts to 35 kt gales possible late tonight into Saturday morning. * WHERE...Gary to Michigan City IN. * WHEN...For the first Small Craft Advisory, until 6 PM CST this evening. For the second Small Craft Advisory, from midnight tonight to noon CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-200530- /O.EXT.KLOT.SC.Y.0117.251220T0600Z-251221T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 319 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 4 AM CST SUNDAY... * WHAT...Winds to 30 kt and significant waves up to 6 ft occasionally to 8 ft expected. A few gusts to 35 kt gales possible late tonight into Saturday morning. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From midnight tonight to 4 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2025-12-19 18:00:10 850 WHUS73 KLOT 192359 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 559 PM CST Fri Dec 19 2025 LMZ744-745-201200- /O.EXP.KLOT.SC.Y.0116.000000T0000Z-251220T0000Z/ /O.CON.KLOT.SC.Y.0117.251220T0600Z-251221T1800Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 559 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST SUNDAY... ...SMALL CRAFT ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING... * WHAT...Winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From midnight tonight to noon CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-201200- /O.CON.KLOT.SC.Y.0117.251220T0600Z-251221T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 559 PM CST Fri Dec 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 AM CST SUNDAY... * WHAT...Winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From midnight tonight to 4 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||