Special Marine Warning for Lake Michigan Near Sheboygan to North Point Light WI
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NWS Milwaukee/Sullivan has issued a Special Marine Warning for Lake Michigan waters from Sheboygan to North Point Light WI until 4:45 AM CDT due to strong thunderstorms producing wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Michigan near Sheboygan WI
- Issued
- September 4, 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 Milwaukee/Sullivan WI. The alert is effective from September 4, 2026 at 3:08 AM CDT until September 4, 2026 at 4:45 AM CDT. The warning covers Lake Michigan nearshore and open waters to mid lake.
Affected Areas
The warning applies to Sheboygan to Port Washington WI; Port Washington to North Point Light WI; Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake; and Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake. Impacted locations include North Pt. Lt. and Port Washington.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Expected Conditions
At 3:07 AM CDT, strong thunderstorms were located along a line extending from 8 nm southeast of Manitowoc to near Sheboygan to 10 nm west of Cedar Grove, moving east at 25 knots. Hazard includes wind gusts 34 knots or greater.
Timeline
The alert is in effect from 3:08 AM CDT on September 4, 2026 until 4:45 AM CDT on September 4, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (1,178 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 4, 2026.
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