Special Marine Warning Issued for Lake Michigan Waters from Sturgeon Bay to Sheboygan
This alert is no longer in effect.
NOAA issued it on July 3, 2026, 7 weeks 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 Green Bay has issued a Special Marine Warning for nearshore and open waters of Lake Michigan from Sturgeon Bay to Sheboygan until 5:45 PM CDT due to strong thunderstorms producing wind gusts near 50 knots.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Michigan near Wisconsin
- Issued
- July 3, 2026
- Issuing authority
- NWS Green Bay 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 7 weeks ago; use the issuing agency's live warning service for current conditions in Lake Michigan near Wisconsin.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Green Bay WI. The alert is effective from 3:47 PM CDT on June 10, 2026, until 5:45 PM CDT on June 10, 2026. The alert type code is MA.W.
Affected Areas
The warning covers nearshore and open waters of Lake Michigan from Sturgeon Bay to Sheboygan, including the zones Sturgeon Bay to Two Rivers WI, Two Rivers to Sheboygan WI, Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake, and Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake. Impacted locations include Kewaunee Pierhead Light, Rawley Point Light, Sturgeon Bay Ship Canal Light, Manitowoc, Sturgeon Bay, and Two Rivers.
What You Should Do
Small craft could be damaged in briefly higher winds and suddenly higher waves. Mariners should avoid the area.
Expected Conditions
At 3:43 PM CDT, strong thunderstorms were located along a line extending from 16 nm east of New London to near Cleveland to Cedar Grove, moving northeast at 50 knots. Hazard includes wind gusts to nearly 50 knots.
Timeline
The warning is in effect from 3:47 PM CDT until 5:45 PM CDT on June 10, 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 (1,180 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 3, 2026.
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Common questions about this NWS weather alert.