Special Marine Warning Issued for Lake Michigan Near Wind Point WI

Source: NOAA · Lake Michigan near Wind Point WI to Winthrop Harbor IL

This alert is no longer in effect.

NOAA issued it on August 19, 2026, 5 days 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 has issued a Special Marine Warning for nearshore waters from Wind Point WI to Winthrop Harbor IL until 9:15 PM CDT due to strong thunderstorms.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Lake Michigan near Wind Point WI to Winthrop Harbor IL
Issued
August 19, 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 5 days ago; use the issuing agency's live warning service for current conditions in Lake Michigan near Wind Point WI to Winthrop Harbor IL.

Alert Details

Special Marine Warning issued by NWS Milwaukee/Sullivan WI. Effective from August 18, 2026 at 7:10 PM CDT until August 18, 2026 at 9:15 PM CDT.

Affected Areas

Nearshore waters from Wind Point WI to Winthrop Harbor IL. Lake Michigan from North Point Light WI to Wind Point WI 5 nm offshore to mid lake. Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 nm offshore to mid lake.

What You Should Do

Move to safe harbor until hazardous weather passes.

Expected Conditions

Strong thunderstorms located along a line extending from near North Pt. Lt. to South Milwaukee to 9 nm west of Oak Creek to 24 nm southwest of Milwaukee to 26 nm northwest of McHenry, moving southeast at 30 knots. Wind gusts to nearly 50 knots.

Timeline

Alert effective August 18, 2026 at 7:10 PM CDT and expires August 18, 2026 at 9:15 PM CDT.

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 has issued a Special Marine Warning for nearshore waters from Wind Point WI to Winthrop Harbor IL until 9:15 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 near Wind Point WI to Winthrop Harbor IL. 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.