Thunderstorms Possible Over Sheboygan-Area Waters Monday, October 12
Sheboygan, WI — October 12, 2026
Thunderstorms are possible late Monday afternoon into Monday night over Lake Michigan nearshore waters from Sheboygan to Port Washington. Boaters should check the latest marine forecast before departure.
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7-Day Weather Forecast
The National Weather Service Milwaukee/Sullivan office said in a Hazardous Weather Outlook issued at 12:31 a.m. CDT Monday, October 12, that a few thunderstorms may occur late afternoon into the night over nearshore waters from Sheboygan to Winthrop Harbor.
A zone-specific Nearshore Marine Forecast issued at 5:10 a.m. CDT gives the Sheboygan-to-Port Washington waters a chance of showers and thunderstorms through around midnight Monday. This forecast applies to Lake Michigan waters; it does not establish impacts over Sheboygan County land.
The outlook is not a severe-weather warning. Conditions can change, so check the latest NWS marine forecast before leaving shore.
