


Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
729 WHUS73 KLOT 172013 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 313 PM CDT Thu Apr 17 2025 LMZ740>745-180415- /O.CON.KLOT.SC.Y.0050.000000T0000Z-250419T0300Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 313 PM CDT Thu Apr 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT FRIDAY... * WHAT...South winds to 30 kt with a few gale force gusts to 35 kt expected. Significant waves to 6 ft occasionally to 8 ft expected this afternoon and tonight in the Illinois nearshore. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...Until 10 PM CDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$