Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
496 WHUS73 KLOT 030901 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 301 AM CST Wed Dec 3 2025 LMZ740>743-031715- /O.CON.KLOT.SC.Y.0106.000000T0000Z-251203T1600Z/ /O.CON.KLOT.SC.Y.0107.251204T0300Z-251204T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 301 AM CST Wed Dec 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM CST THURSDAY... * WHAT...For the first Small Craft Advisory, southwest winds to 25 kt and significant waves to 4 ft. For the second Small Craft Advisory, northwest winds to 25 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 10 AM CST this morning. For the second Small Craft Advisory, from 9 PM this evening to 9 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. && $$ LMZ744-745-031715- /O.CON.KLOT.SC.Y.0106.000000T0000Z-251204T2100Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 301 AM CST Wed Dec 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THURSDAY... * WHAT...Southwest winds to 25 kt becoming northwest late this afternoon. Significant waves to 9 ft occasionally to 12 ft. * WHERE...Gary to Michigan City IN. * WHEN...Until 3 PM CST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$