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Home Return to list Small Craft Advisory 0098 Issued by the Chicago Forecast Office
Action: New Issued At: 2025-11-08 09:57:16 722 WHUS73 KLOT 081556 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 956 AM CST Sat Nov 8 2025 LMZ743>745-090000- /O.NEW.KLOT.SC.Y.0098.251109T0600Z-251109T1200Z/ /O.CON.KLOT.GL.A.0018.251109T1200Z-251110T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 956 AM CST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST SUNDAY... ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT... * WHAT...For the Small Craft Advisory, northeast winds to 25 kt and significant waves to 8 ft occasionally to 10 ft expected. For the Gale Watch, northwest winds to 35 kt and significant waves to 12 ft occasionally to 16 ft possible. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the Small Craft Advisory, from midnight tonight to 6 AM CST Sunday. For the Gale Watch, from Sunday morning through late Sunday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LMZ740>742-090000- /O.CON.KLOT.GL.A.0018.251109T0600Z-251110T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 956 AM CST Sat Nov 8 2025 ...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT... * WHAT...North gales to 35 kt and significant waves to 9 ft occasionally to 12 ft possible. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From late tonight through late Sunday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ Action: Continued Issued At: 2025-11-08 15:39:25 435 WHUS73 KLOT 082138 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 338 PM CST Sat Nov 8 2025 LMZ743>745-090545- /O.CON.KLOT.SC.Y.0098.251109T0600Z-251109T1200Z/ /O.UPG.KLOT.GL.A.0018.251109T1200Z-251110T1200Z/ /O.NEW.KLOT.GL.W.0027.251109T1200Z-251110T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 338 PM CST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST SUNDAY... ...GALE WARNING IN EFFECT FROM 6 AM SUNDAY TO 6 AM CST MONDAY... * WHAT...For the Small Craft Advisory, northeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. For the Gale Warning, northwest winds to 35 kt and significant waves to 16 ft occasionally to 21 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the Small Craft Advisory, from midnight tonight to 6 AM CST Sunday. For the Gale Warning, from 6 AM Sunday to 6 AM CST Monday. * 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. && $$ LMZ740>742-090545- /O.UPG.KLOT.GL.A.0018.251109T0600Z-251110T1200Z/ /O.NEW.KLOT.GL.W.0027.251109T0600Z-251110T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 338 PM CST Sat Nov 8 2025 ...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST MONDAY... * WHAT...North winds to 35 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From midnight tonight to 6 AM CST Monday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ Action: Continued Issued At: 2025-11-08 20:49:04 125 WHUS73 KLOT 090248 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 848 PM CST Sat Nov 8 2025 LMZ743>745-091100- /O.CON.KLOT.SC.Y.0098.251109T0600Z-251109T1200Z/ /O.CON.KLOT.GL.W.0027.251109T1200Z-251110T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 848 PM CST Sat Nov 8 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST SUNDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM SUNDAY TO 6 AM CST MONDAY... * WHAT...For the Small Craft Advisory, winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. For the Gale Warning, winds to 35 kt and significant waves to 16 ft occasionally to 21 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the Small Craft Advisory, from midnight tonight to 6 AM CST Sunday. For the Gale Warning, from 6 AM Sunday to 6 AM CST Monday. * 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. && $$ LMZ740>742-091100- /O.CON.KLOT.GL.W.0027.251109T0600Z-251110T1200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 848 PM CST Sat Nov 8 2025 ...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST MONDAY... * WHAT...Winds to 35 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From midnight tonight to 6 AM CST Monday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||