Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
325 WHUS73 KLOT 062053 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 253 PM CST Sat Dec 6 2025 LMZ740>742-070500- /O.NEW.KLOT.SC.Y.0109.251207T1400Z-251208T1500Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 253 PM CST Sat Dec 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM SUNDAY TO 9 AM CST MONDAY... * WHAT...North to northeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...From 8 AM Sunday 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. && $$ LMZ743>745-070500- /O.NEW.KLOT.SC.Y.0109.251207T1700Z-251208T1500Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 253 PM CST Sat Dec 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SUNDAY TO 9 AM CST MONDAY... * WHAT...North to northeast winds to 25 kt and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 11 AM Sunday to 9 AM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$