Weather Alerts-

Make preparations per the instructions

Chicago - IL, US, National Weather Service

Winthrop Harbor to Northerly Island IL

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT THURSDAY... ...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY EVENING... WHAT...For the Small Craft Advisory, northwest winds to 25 kt and significant waves to 7 ft occasionally to 9 ft. For the Gale Watch, southwest to west winds to 45 kt with gusts to 50 kt and significant waves to 9 ft occasionally to 12 ft possible. WHERE...Winthrop Harbor to Northerly Island IL. WHEN...For the Small Craft Advisory, until 4 AM CDT Thursday. For the Gale Watch, from Thursday evening through Friday evening. IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves.