Special Marine Warning Issued for Lake Michigan Near Port Washington WI
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NWS Milwaukee/Sullivan has issued a Special Marine Warning for Lake Michigan waters from Port Washington to North Point Light WI until 3:00 PM CDT due to a severe thunderstorm capable of producing waterspouts.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Michigan near Wisconsin
- Issued
- August 22, 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 2:13 PM CDT on August 22, 2026, until 3:00 PM CDT on August 22, 2026.
Affected Areas
Lake Michigan from Port Washington WI to North Point Light WI, 5 nm offshore to mid lake.
What You Should Do
Seek safe harbor immediately. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas.
Expected Conditions
At 2:12 PM CDT, a severe thunderstorm capable of producing waterspouts was located 21 nm east of Port Washington, moving southeast at 25 knots. Hazards include waterspouts, wind gusts 34 knots or greater, and small hail.
Timeline
The warning is in effect until 3:00 PM CDT on August 22, 2026. The severe thunderstorm will remain over mainly open waters.
Original source: NOAA Official Notice ↗
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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 (876 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 22, 2026.
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