Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
439 WHUS73 KLOT 152031 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 231 PM CST Sat Nov 15 2025 LMZ740>743-160445- /O.CON.KLOT.SC.Y.0101.000000T0000Z-251116T2200Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 231 PM CST Sat Nov 15 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST SUNDAY... * WHAT...Northwest winds to 30 kt with occasional gale force gusts to 35 kt and significant waves building to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 4 PM 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. && $$ LMZ744-745-160445- /O.CON.KLOT.SC.Y.0101.251116T0000Z-251117T1500Z/ Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 231 PM CST Sat Nov 15 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST MONDAY... * WHAT...Northwest winds to 30 kt with occasional gale force gusts to 35 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Gary to Michigan City IN. * WHEN...From 6 PM this evening to 9 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$