Special Marine Warning Issued for Lake Michigan Near Port Washington to Wind Point WI

Source: NOAA · Lake Michigan near Wisconsin

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NWS Milwaukee/Sullivan WI has issued a Special Marine Warning for Lake Michigan nearshore and open waters from Port Washington to Wind Point WI until 9:30 AM CDT.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Lake Michigan near Wisconsin
Issued
September 4, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

A Special Marine Warning has been issued by the National Weather Service in Milwaukee/Sullivan WI. The alert is effective from September 4 at 8:25 AM CDT until September 4 at 9:30 AM CDT.

Affected Areas

The warning covers Port Washington to North Point Light WI; North Point Light to Wind Point WI; Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake; and Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake.

What You Should Do

Move to safe harbor until hazardous weather passes.

Expected Conditions

At 8:24 AM CDT, strong thunderstorms were located along a line extending from 17 nm east of Port Washington to 6 nm southwest of Milwaukee, moving east at 40 knots. Hazard includes wind gusts 34 knots or greater. Small craft could be damaged in briefly higher winds and suddenly higher waves.

Timeline

The alert is in effect from 8:25 AM CDT to 9:30 AM CDT on September 4, 2026.

Original source: NOAA Official Notice ↗

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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 Lake Michigan nearshore and open waters from Port Washington to Wind Point WI until 9:30 AM CDT.
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 Wisconsin. 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.