Special Marine Warning for Lake Michigan and Surrounding Areas
This alert is no longer in effect.
NOAA issued it on April 14, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Special Marine Warning has been issued by NWS Chicago IL for parts of Lake Michigan, including harbors from Wilmette to Michigan City, due to strong thunderstorms with wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Michigan Region
- Issued
- April 14, 2026
- Issuing authority
- NWS Chicago IL
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Lake Michigan Region.
Special Marine Warning in Lake Michigan Region
Alert Details
This Special Marine Warning was issued by the National Weather Service (NWS) Chicago IL. It is effective from 2:21 AM CDT on April 14, 2026, until 4:15 AM CDT on the same day.
Affected Areas
The warning affects 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; and Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake. Specific locations include Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Burns Harbor, Calumet Harbor, Indiana Harbor, Montrose Harbor, Burnham Harbor, Hammond Marina, Jackson Park Harbor, and Belmont Harbor.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
The warning involves strong thunderstorms with wind gusts of 34 knots or greater, moving southeast at 40 knots.
Timeline
The alert is effective from 2:21 AM CDT on April 14, 2026, and expires at 4:15 AM CDT on April 14, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,099 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 14, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.