Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
942 WHUS73 KLOT 032003 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 303 PM CDT Wed Sep 3 2025 LMZ742-743-040415- /O.CON.KLOT.SC.Y.0082.250904T0000Z-250904T0800Z/ /O.NEW.KLOT.GL.A.0016.250905T0600Z-250905T1500Z/ Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 303 PM CDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 3 AM CDT THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING... * WHAT...For the Small Craft Advisory, northwest winds to 25 kt and significant waves to 6 ft occasionally to 8 ft. For the Gale Watch, southwest gales to 35 kt and significant waves to 5 ft possible. * WHERE...Northerly Island to Calumet Harbor IL and Calumet Harbor IL to Gary IN. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 3 AM CDT Thursday. For the Gale Watch, from late Thursday night through Friday morning. * 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. && $$ LMZ744-745-040415- /O.CON.KLOT.SC.Y.0082.250904T0000Z-250904T2000Z/ /O.NEW.KLOT.GL.A.0016.250905T0600Z-250905T1500Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 303 PM CDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 3 PM CDT THURSDAY... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING... * WHAT...For the Small Craft Advisory, northwest winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. For the Gale Watch, southwest gales to 35 kt and significant waves to 6 ft occasionally to 8 ft possible. * WHERE...Gary to Michigan City IN. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 3 PM CDT Thursday. For the Gale Watch, from late Thursday night through Friday morning. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LMZ740-741-040415- /O.NEW.KLOT.GL.A.0016.250905T0600Z-250905T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- 303 PM CDT Wed Sep 3 2025 ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY MORNING... * WHAT...Southwest gales to 35 kt and significant waves to 6 ft occasionally to 8 ft possible. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...From late Thursday night through Friday morning. * 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. && $$