Special Marine Warning Issued for Lake Michigan Near Sheboygan WI
This alert is no longer in effect.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 Milwaukee/Sullivan WI has issued a Special Marine Warning for nearshore Lake Michigan waters from Sheboygan to Port Washington until 4:45 PM CDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Michigan near Sheboygan WI
- Issued
- July 3, 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 7 weeks ago; use the issuing agency's live warning service for current conditions in Lake Michigan near Sheboygan WI.
Alert Details
Special Marine Warning issued by NWS Milwaukee/Sullivan WI. Effective from 3:12 PM CDT June 10, 2026 until 4:45 PM CDT June 10, 2026. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Nearshore waters from Sheboygan WI to North Point Light WI. Lake Michigan from Sheboygan WI to Port Washington WI 5 nm offshore to mid lake. Zones: LMZ643, LMZ644, LMZ669.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected. Avoid the area.
Expected Conditions
Strong thunderstorms located along a line from 8 nm south of Oshkosh to 20 nm west of Cedar Grove to 10 nm west of Milwaukee, moving northeast at 50 knots. Hazard: Wind gusts to nearly 50 knots. Impact: Small craft could be damaged in briefly higher winds and suddenly higher waves. Thunderstorms will remain over mainly open waters.
Timeline
Alert in effect from 3:12 PM CDT to 4:45 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 (950 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.