2 products issued by NWS for: 8NM ESE Chicago IL
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 350 AM CST Wed Dec 10 2025 LMZ740>745-111000- 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- 350 AM CST Wed Dec 10 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...Today and Tonight. Weather hazards expected... Gale force winds and very hazardous waves. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thursday... Hazardous conditions for small craft are likely. Friday night... Hazardous conditions for small craft are likely. Elevated Freezing Spray Risk. Saturday through Monday... Hazardous conditions for small craft are likely at times. $$ Petr Visit us at www.weather.gov/chicago
Gale Warning
URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 342 AM CST Wed Dec 10 2025 LMZ740>743-101745- /O.CON.KLOT.GL.W.0030.000000T0000Z-251210T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 342 AM CST Wed Dec 10 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...West gales to 35 kt becoming northwest to 40 kt and significant waves to 11 ft occasionally to 14 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$