Tuesday, August 4: Small Craft Advisory Covers Sheboygan-to-Port Washington Waters From 2–10 p.m.
NWS advises small-craft operators to reconsider Lake Michigan trips from Sheboygan to Port Washington between 2 and 10 p.m. Tuesday, August 4.
Boating
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Small Craft Advisory for Lake Michigan Nearshore Waters: Tuesday, July 28 (1:00 AM–1:00 AM) Wednesday, July 29 Sheboygan to Port Washington
LMZ643 Small Craft Advisory runs 1:00 AM Tue July 28–1:00 AM Wed July 29 CDT; north winds 10–20 kt, gusts to 25 kt—hazardous for small craft.
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NWS Small Craft Advisory for Lake Michigan Nearshore: Wednesday, July 22 End Times Vary by Zone (Sheboygan to Port Washington vs. North of North Point Light)
NWS says Lake Michigan nearshore Small Craft Advisory ends 7:00 AM CDT Wed., July 22 for LMZ643-644, but runs until 4:00 PM for LMZ645-646.
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Beach Hazards Statement Starts Friday, May 22 at 4 PM for Sheboygan County Beaches
Beachgoers in Sheboygan County should avoid Lake Michigan water Friday at 4 p.m. through Saturday afternoon under a Beach Hazards Statement.
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Sheboygan County Weather Watch for Thursday, May 21: Lake Michigan Waves Build Friday Night and Saturday
NWS Milwaukee/Sullivan says Sheboygan-to-Port Washington waters stay 2 to 4 feet through Friday, then offshore waves build Friday night into Saturday.
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Sheboygan County Weather Watch for Thursday Night, May 21, 2026: Small Craft Advisory Starts on Lake Michigan
A Small Craft Advisory starts Thursday night for the nearshore waters from Port Washington to North Point Light. Boaters should delay plans and check NWS updates.
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Wednesday, May 20: Waves build along Sheboygan to Port Washington nearshore waters
Boaters and anglers on the Sheboygan to Port Washington nearshore waters should expect northeast winds and 2 to 4 foot waves late Wednesday and Wednesday night.
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Sheboygan County Small Craft Advisory in Effect Until 4 PM Wednesday, May 13, 2026
NWS Milwaukee/Sullivan says the LMZ643 nearshore waters from Sheboygan to Port Washington remain under a Small Craft Advisory until 4 PM Wednesday.
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