Special Marine Warning Issued for Lake Michigan Near Chicago
This alert is no longer in effect.
NOAA issued it on June 24, 2026, 2 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.
NWS Chicago has issued a Special Marine Warning for nearshore and open waters of Lake Michigan until 2:30 AM CDT due to strong thunderstorms with wind gusts to 40 knots and small hail.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Michigan near Illinois
- Issued
- June 24, 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 2 months ago; use the issuing agency's live warning service for current conditions in Lake Michigan near Illinois.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Chicago. The alert is effective from June 6, 2026 at 12:28 AM CDT until June 6, 2026 at 2:30 AM CDT.
Affected Areas
The warning covers nearshore waters from Winthrop Harbor to Northerly Island, open waters from Winthrop Harbor to Michigan City out to Mid Lake, and specific harbors including Winthrop Harbor, Waukegan Harbor, and Wilmette Harbor.
What You Should Do
Move to safe harbor until hazardous weather passes. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Expected Conditions
Strong thunderstorms are moving east at 25 to 30 knots, with wind gusts to 40 knots and small hail possible.
Timeline
The alert is in effect from 12:28 AM CDT to 2:30 AM CDT on June 6, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (817 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 24, 2026.
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Common questions about this NWS weather alert.