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Special Marine Warning
ActiveWilmette 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
Status
In Progress
Started 33 minutes ago
Ends
Issued
Severity
Severe
Urgency
Immediate
Certainty
Likely
Details
For the following areas...
Nearshore Waters from Wilmette Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake...
At 1006 AM CDT, strong thunderstorms were located along a line extending from 6 nm southwest of Ohare Airport to 14 nm southwest of Hammond Marina, moving east at 40 knots.
HAZARD...Wind gusts to 40 knots.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves.
strong thunderstorms will be near... Monroe Harbor, 31st Street Harbor, Calumet Harbor, Burnham Harbor, Belmont Harbor, Jackson Park Harbor, Diversy Harbor, Hammond Marina, 59th Street Marina, and DuSable Harbor around 1020 AM CDT. Montrose Harbor, Indiana Harbor, and Harrison-Dever Crib around 1025 AM CDT. Burns Harbor and Marina Shores at Dune Harbor around 1040 AM CDT.
Data from the National Weather Service
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