Special Marine Warning Issued for Lake Michigan Near Sturgeon Bay
This alert is no longer in effect.
NOAA issued it on July 4, 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 Rock Island Passage to Sturgeon Bay until 6:15 PM CDT due to strong thunderstorms.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Michigan near Sturgeon Bay WI
- Issued
- July 4, 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 Sturgeon Bay WI.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Green Bay WI. The alert is effective from June 10, 2026 at 4:42 PM CDT until June 10, 2026 at 6:15 PM CDT.
Affected Areas
The warning covers Rock Island Passage to Sturgeon Bay WI and Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake. Impacted locations include Cana Island Light, Rowleys Bay, Whitefish Point, and Detroit Island. Nearshore waters from Washington Island to Sturgeon Bay are also included.
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 4:42 PM CDT, strong thunderstorms were located along a line extending from 6 nm northwest of Peshtigo Reef Light to 13 nm east of Algoma, moving northeast at 50 knots. Hazard includes wind gusts 34 knots or greater.
Timeline
The alert is in effect from 4:42 PM CDT to 6:15 PM CDT on June 10, 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 (1,043 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 4, 2026.
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