Active Weather Alerts
Special Marine Warning
Issued: 6:42 AM Apr. 14, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... * Until 345 AM CDT. * At 140 AM CDT, strong thunderstorms and outflow winds were located along a line extending from 13 nm west of Oak Creek to 15 nm north of McHenry, moving southeast at 45 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Mesonet. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Winthrop Harbor and Waukegan Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && HAIL...0.00IN; WIND...40KTS
Small Craft Advisory
Issued: 2:31 AM Apr. 14, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT TUESDAY... * WHAT...Southwest winds to 30 kt and significant waves to 5 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 7 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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