Watches, Warnings & Advisories
2 products found for Marine Zone: LMZ740
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 249 PM CST Sun Nov 16 2025 LMZ740>745-172100- 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- 249 PM CST Sun Nov 16 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Hazardous conditions for small craft. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Monday and Tuesday... Hazardous conditions for small craft are likely. Friday and Saturday... Hazardous conditions for small craft are likely. $$ KJB Visit us at www.weather.gov/chicago
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 257 PM CST Sun Nov 16 2025 LMZ740>743-170400- /O.CON.KLOT.SC.Y.0101.000000T0000Z-251117T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 257 PM CST Sun Nov 16 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING... * WHAT...Northwest winds to 25 kt and significant waves to 5 ft occurring. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 10 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$