Special Marine Warning Issued for Lake Michigan

Source: NOAA · Lake Michigan

This alert is no longer in effect.

NOAA issued it on June 29, 2026, 7 weeks 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 Milwaukee/Sullivan WI has issued a Special Marine Warning for offshore areas of Lake Michigan until 7:30 PM CDT due to strong thunderstorms.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Lake Michigan
Issued
June 29, 2026
Issuing authority
NWS Milwaukee Sullivan WI

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 7 weeks ago; use the issuing agency's live warning service for current conditions in Lake Michigan.

Alert Details

A Special Marine Warning was issued by the National Weather Service Milwaukee/Sullivan WI. The alert is effective from June 8 at 6:39 PM CDT until June 8 at 7:30 PM CDT.

Affected Areas

Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake; Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake.

What You Should Do

Move to safe harbor until hazardous weather passes.

Expected Conditions

At 6:38 PM CDT, strong thunderstorms were located along a line extending from 11 nm southeast of Wind Pt. to 24 nm east of Winthrop Harbor to 30 nm west of South Haven Light to near St. Joseph Light, moving north at 30 knots. Hazard includes wind gusts 34 knots or greater.

Timeline

The warning is in effect from 6:39 PM CDT to 7:30 PM CDT on June 8.

Original source: NOAA Official Notice ↗

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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Milwaukee/Sullivan WI has issued a Special Marine Warning for offshore areas of Lake Michigan until 7:30 PM CDT due to strong thunderstorms.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Lake Michigan. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.