Special Marine Warning for Lake Michigan from North Point Light to Winthrop Harbor

Source: NOAA · Lake Michigan Region

This alert is no longer in effect.

NOAA issued it on April 16, 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.

The National Weather Service has issued a Special Marine Warning for parts of Lake Michigan, with wind gusts of 34 knots or greater and small hail expected until 10:45 PM CDT on April 15, 2026.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Lake Michigan Region
Issued
April 16, 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 4 months ago; use the issuing agency's live warning service for current conditions in Lake Michigan Region.

Special Marine Warning Alert

Alert Details

The National Weather Service in Milwaukee/Sullivan WI has issued a Special Marine Warning. This alert is effective from 10:09 PM CDT on April 15, 2026, until 10:45 PM CDT on the same day.

Affected Areas

This warning affects Lake Michigan from North Point Light to Wind Point WI, 5NM offshore to Mid Lake, and 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

Hazards include wind gusts of 34 knots or greater and small hail. Strong thunderstorms are over mainly open waters.

Timeline

The alert is effective from 10:09 PM CDT on April 15, 2026, and ends at 10:45 PM CDT on April 15, 2026.

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?
The National Weather Service has issued a Special Marine Warning for parts of Lake Michigan, with wind gusts of 34 knots or greater and small hail expected until 10:45 PM CDT on April 15, 2026.
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 Region. 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.