


Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
963 WHUS73 KLOT 101453 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 953 AM CDT Fri Oct 10 2025 LMZ740-741-102300- /O.NEW.KLOT.SC.Y.0087.251010T1600Z-251011T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- 953 AM CDT Fri Oct 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Southwest winds to 25 kt and significant waves to 4 ft expected. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$