Special Marine Warning for Lake Michigan from Sheboygan to Winthrop Harbor
This alert is no longer in effect.
NOAA issued it on April 14, 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 for parts of Lake Michigan, including areas from Sheboygan to Winthrop Harbor, due to strong thunderstorms with wind gusts up to 34 knots and small hail.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Michigan from Sheboygan WI to Winthrop Harbor IL
- Issued
- April 14, 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 from Sheboygan WI to Winthrop Harbor IL.
Alert Details
A Special Marine Warning has been issued by the National Weather Service (NWS) Milwaukee/Sullivan WI. This alert is effective immediately and covers hazardous marine conditions.
Affected Areas
The warning affects specific zones in Lake Michigan, including Sheboygan to Port Washington WI; Port Washington to North Point Light WI; North Point Light to Wind Point WI; Wind Point WI to Winthrop Harbor IL; and related offshore areas up to mid lake.
What You Should Do
Avoid marine activities in the affected areas, as small craft could be damaged by higher winds and waves.
Expected Conditions
Strong thunderstorms are producing wind gusts of 34 knots or greater and small hail. These storms are moving east at 50 knots.
Timeline
The alert is effective from 1:11 AM CDT on April 14, 2026, until 2:45 AM CDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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.
Similar body length
Nearest notices by article body length (853 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 14, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.