Special Marine Warning for Lake Michigan Areas in Michigan

Source: NOAA · Lake Michigan, Michigan

This alert is no longer in effect.

NOAA issued it on April 15, 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.

A Special Marine Warning has been issued by NWS Grand Rapids MI for parts of Lake Michigan, with wind gusts up to 40 knots and large hail expected until 6:45 AM EDT.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Lake Michigan, Michigan
Issued
April 15, 2026
Issuing authority
NWS Grand Rapids MI

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, Michigan.

Alert Details

A Special Marine Warning has been issued by the National Weather Service (NWS) Grand Rapids MI. It is effective from 5:38 AM EDT on April 15, 2026.

Affected Areas

The warning affects St Joseph to South Haven MI; South Haven to Holland MI; Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake; Lake Michigan from South Haven to Holland MI 5NM offshore to Mid Lake; and Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake. Locations impacted include South Haven Light.

What You Should Do

Avoid the affected areas due to the immediate hazards.

Expected Conditions

Wind gusts to 40 knots and large hail are expected.

Timeline

The alert is effective from 5:38 AM EDT on April 15, 2026, and ends at 6:45 AM EDT on the same day.

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?
A Special Marine Warning has been issued by NWS Grand Rapids MI for parts of Lake Michigan, with wind gusts up to 40 knots and large hail expected until 6:45 AM EDT.
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, 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.