


Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
Versions:
1
608 WHUS73 KLOT 171016 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 516 AM CDT Sun Aug 17 2025 LMZ740>742-171830- /O.NEW.KLOT.SC.Y.0076.250817T2000Z-250818T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 516 AM CDT Sun Aug 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 10 AM CDT MONDAY... * WHAT...Significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 3 PM this afternoon to 10 AM CDT 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. && $$