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2025 [KLOT] CHICAGO Freezing Spray (UP) Warning (W) Number 1
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
343 WHUS73 KLOT 182058 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 258 PM CST Sat Jan 18 2025 LMZ744-745-190500- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ /O.NEW.KLOT.UP.W.0001.250119T1800Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 258 PM CST Sat Jan 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM NOON SUNDAY TO 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, northwest winds to 30 kt and significant waves to 9 ft occasionally to 12 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 10 PM CST Monday. For the Heavy Freezing Spray Warning, from noon Sunday to 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-190500- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 258 PM CST Sat Jan 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
351 WHUS73 KLOT 190357 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 957 PM CST Sat Jan 18 2025 LMZ744-745-191200- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ /O.CON.KLOT.UP.W.0001.250119T1800Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 957 PM CST Sat Jan 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, northwest winds to 30 kt and significant waves to 8 ft occasionally to 10 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 10 PM CST Monday. For the Heavy Freezing Spray Warning, from noon Sunday to 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-191200- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 957 PM CST Sat Jan 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 6 ft occasionally to 8 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
853 WHUS73 KLOT 190846 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 246 AM CST Sun Jan 19 2025 LMZ744-745-191800- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ /O.CON.KLOT.UP.W.0001.250119T1800Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 246 AM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, west winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 10 PM CST Monday. For the Heavy Freezing Spray Warning, from noon today to 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-191800- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 246 AM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 6 occasionally to 8 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
451 WHUS73 KLOT 191501 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 901 AM CST Sun Jan 19 2025 LMZ744-745-192315- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ /O.CON.KLOT.UP.W.0001.250119T1800Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 901 AM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, northwest winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 10 PM CST Monday. For the Heavy Freezing Spray Warning, from noon today to 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-192315- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 901 AM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 6 occasionally to 8 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
736 WHUS73 KLOT 192056 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 256 PM CST Sun Jan 19 2025 LMZ744-745-200500- /O.CON.KLOT.UP.W.0001.000000T0000Z-250120T1000Z/ /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 256 PM CST Sun Jan 19 2025 ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... * WHAT...For the Small Craft Advisory, west winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Heavy Freezing Spray Warning, until 4 AM CST Monday. For the Small Craft Advisory, until 10 PM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-200500- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 256 PM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 5 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
918 WHUS73 KLOT 200304 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 904 PM CST Sun Jan 19 2025 LMZ744-745-201115- /O.EXT.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/ /O.CON.KLOT.UP.W.0001.000000T0000Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 904 PM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM CST TUESDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 3 AM CST Tuesday. For the Heavy Freezing Spray Warning, until 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-201115- /O.EXT.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 904 PM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...Winds to 25 kt and significant waves to 4 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
012 WHUS73 KLOT 200950 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 350 AM CST Mon Jan 20 2025 LMZ744-745-201800- /O.EXP.KLOT.UP.W.0001.000000T0000Z-250120T1000Z/ /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 350 AM CST Mon Jan 20 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...West winds to 25 kt and significant waves to 6 ft occasionally to 8 ft. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST 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. && $$ LMZ740>743-201800- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 350 AM CST Mon Jan 20 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...West winds to 25 kt and significant waves to 4 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Permalink to 202501182058-KLOT-WHUS73-MWWLOT
343 WHUS73 KLOT 182058 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 258 PM CST Sat Jan 18 2025 LMZ744-745-190500- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ /O.NEW.KLOT.UP.W.0001.250119T1800Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 258 PM CST Sat Jan 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM NOON SUNDAY TO 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, northwest winds to 30 kt and significant waves to 9 ft occasionally to 12 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 10 PM CST Monday. For the Heavy Freezing Spray Warning, from noon Sunday to 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-190500- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 258 PM CST Sat Jan 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Permalink to 202501190357-KLOT-WHUS73-MWWLOT
351 WHUS73 KLOT 190357 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 957 PM CST Sat Jan 18 2025 LMZ744-745-191200- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ /O.CON.KLOT.UP.W.0001.250119T1800Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 957 PM CST Sat Jan 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, northwest winds to 30 kt and significant waves to 8 ft occasionally to 10 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 10 PM CST Monday. For the Heavy Freezing Spray Warning, from noon Sunday to 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-191200- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 957 PM CST Sat Jan 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 6 ft occasionally to 8 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Permalink to 202501190846-KLOT-WHUS73-MWWLOT
853 WHUS73 KLOT 190846 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 246 AM CST Sun Jan 19 2025 LMZ744-745-191800- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ /O.CON.KLOT.UP.W.0001.250119T1800Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 246 AM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, west winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 10 PM CST Monday. For the Heavy Freezing Spray Warning, from noon today to 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-191800- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 246 AM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 6 occasionally to 8 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Permalink to 202501191501-KLOT-WHUS73-MWWLOT
451 WHUS73 KLOT 191501 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 901 AM CST Sun Jan 19 2025 LMZ744-745-192315- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ /O.CON.KLOT.UP.W.0001.250119T1800Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 901 AM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM NOON TODAY TO 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, northwest winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 10 PM CST Monday. For the Heavy Freezing Spray Warning, from noon today to 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-192315- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 901 AM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 6 occasionally to 8 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Permalink to 202501192056-KLOT-WHUS73-MWWLOT
736 WHUS73 KLOT 192056 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 256 PM CST Sun Jan 19 2025 LMZ744-745-200500- /O.CON.KLOT.UP.W.0001.000000T0000Z-250120T1000Z/ /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0400Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 256 PM CST Sun Jan 19 2025 ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST MONDAY... * WHAT...For the Small Craft Advisory, west winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Heavy Freezing Spray Warning, until 4 AM CST Monday. For the Small Craft Advisory, until 10 PM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-200500- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250120T1000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 256 PM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...Northwest winds to 25 kt and significant waves to 5 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Permalink to 202501200304-KLOT-WHUS73-MWWLOT
918 WHUS73 KLOT 200304 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 904 PM CST Sun Jan 19 2025 LMZ744-745-201115- /O.EXT.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/ /O.CON.KLOT.UP.W.0001.000000T0000Z-250120T1000Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 904 PM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM CST TUESDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 4 AM CST MONDAY... * WHAT...For the Small Craft Advisory, winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater may rapidly accumulate on vessels. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, until 3 AM CST Tuesday. For the Heavy Freezing Spray Warning, until 4 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>743-201115- /O.EXT.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 904 PM CST Sun Jan 19 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...Winds to 25 kt and significant waves to 4 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Permalink to 202501200950-KLOT-WHUS73-MWWLOT
012 WHUS73 KLOT 200950 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 350 AM CST Mon Jan 20 2025 LMZ744-745-201800- /O.EXP.KLOT.UP.W.0001.000000T0000Z-250120T1000Z/ /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 350 AM CST Mon Jan 20 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...West winds to 25 kt and significant waves to 6 ft occasionally to 8 ft. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 AM CST 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. && $$ LMZ740>743-201800- /O.CON.KLOT.SC.Y.0005.000000T0000Z-250121T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 350 AM CST Mon Jan 20 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST TUESDAY... * WHAT...West winds to 25 kt and significant waves to 4 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
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