Get Forecast Bar Weather alerts on your iPhone
Back to All Alerts

Special Marine Warning

Active

Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake

Status In Progress Started about 1 hour ago
Ends
Issued
Severity Severe
Urgency Immediate
Certainty Likely

Details

For the following areas...
Nearshore Waters from Winthrop Harbor to Northerly Island... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake...
At 1153 AM CDT, numerous severe thunderstorms were moving along the Lake Michigan shoreline, southeast at around 20 knots.
HAZARD...Wind gusts to nearly 50 knots and large hail.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage.
Locations impacted include... Harrison-Dever Crib, Wilmette Harbor, Winthrop Harbor, Montrose Harbor, Monroe Harbor, Waukegan Harbor, Belmont Harbor, Diversy Harbor, and DuSable Harbor.
Explore All Active Alerts
Data from the National Weather Service
Service provided by Forecast Bar