Special Marine Warning Issued for Lake Michigan from Sheboygan to Port Washington WI
This alert is no longer in effect.
NOAA issued it on June 24, 2026, 2 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.
NWS Milwaukee/Sullivan has issued a Special Marine Warning for Lake Michigan nearshore and open waters from Sheboygan to Port Washington WI until 10:30 PM CDT due to strong thunderstorms.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Michigan near Sheboygan to Port Washington WI
- Issued
- June 24, 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 2 months ago; use the issuing agency's live warning service for current conditions in Lake Michigan near Sheboygan to Port Washington WI.
Alert Details
Special Marine Warning issued by NWS Milwaukee/Sullivan WI. Effective from 9:33 PM CDT June 5, 2026 until 10:30 PM CDT June 5, 2026. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to Port Washington WI. Locations impacted include Port Washington.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
At 9:33 PM CDT, strong thunderstorms were located along a line extending from near Two Creeks to 6 nm southwest of Cleveland to 19 nm south of Oshkosh, moving southeast at 50 knots. Hazard: Wind gusts 34 knots or greater and small hail. Impact: Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
Alert in effect from 9:33 PM CDT to 10:30 PM CDT on June 5, 2026.
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 (865 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 24, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.