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.
Lake Michigan
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Tuesday, August 4: Beach Hazards Statement Covers Sheboygan County Beaches
A National Weather Service Beach Hazards Statement applies to Sheboygan County beaches Tuesday afternoon and evening, with 3- to 5-foot waves and dangerous currents.
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Friday, July 31 night–Sunday night, Aug. 2: Small Craft Advisory for Sheboygan-to-Port Washington (LMZ643)
NWS says a Small Craft Advisory begins late Friday, July 31 and continues into Sunday night for LMZ643 (Sheboygan to Port Washington). Isolated storms possible tonight.
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Beach Hazards Statement for Sheboygan County Lakeshore: Stay Out of the Water Saturday, Aug. 1–Monday, Aug. 3 (NWS)
NWS issued a Beach Hazards Statement Friday, July 31: life-threatening 4–6 ft waves and dangerous currents for Sheboygan County lakeshore Saturday, Aug. 1–Monday, Aug. 3.
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Sheboygan-to-Port Washington: Fri., July 31–Aug. 1 NWS storm chances + SCA-level winds/waves
NWS’ July 30 HWO warns thunderstorms at times Fri.–Sat and says winds/waves may approach SCA levels for Sheboygan-to-Port Washington. Re-check marine updates.
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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 Beach Hazards Statement for Sheboygan County: Tuesday, July 28 through Wednesday Morning, July 29
NWS Beach Hazards Statement runs Tuesday, July 28 (12:00 AM CDT) to Wednesday, July 29 (10:00 AM CDT) for Sheboygan County—4 to 6-ft waves, dangerous currents.
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Saturday, July 25, 2026: NWS Flags Moderate Swim Risk for Sheboygan County Lake Michigan Beaches Later This Afternoon and Early This Evening
NWS issued at 12:21 a.m. July 25 a Moderate Swim Risk for Lake Michigan beaches in Sheboygan County later this afternoon and early this evening.
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Friday, July 24, 2026: NWS Small Craft Advisory for Sheboygan-to-Port Washington Waters Until 10:00 PM CDT
NWS Small Craft Advisory for LMZ643 (Sheboygan to Port Washington) runs until 10:00 PM CDT Friday, July 24; hazards 4–10 PM 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 for Sheboygan & Ozaukee beaches Monday, July 20, 2026–Tuesday morning
NWS says 3- to 5-foot waves and dangerous currents will make swimming unsafe at Sheboygan and Ozaukee County beaches from 1 p.m. Monday, July 20 through Tuesday morning.
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Sunday, July 19 Into Monday, July 20: NWS Dense Smoke Advisory for Lake Michigan Waters (Sheboygan to Port Washington) — Ends 7:00 a.m. CDT Monday
NWS Dense Smoke Advisory for Lake Michigan waters from Sheboygan to Port Washington runs until 7:00 a.m. CDT Monday, July 20. Visibility may drop to 1 NM or less.
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Dense Smoke Advisory Until 7 PM Friday, July 17 (Two Rivers to Sheboygan) — NWS Lake Michigan Nearshore
NWS Dense Smoke Advisory is in effect until 7 PM Friday, July 17 for LMZ543 waters from Two Rivers to Sheboygan. Visibility may drop below 1 NM.
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Marine Dense Smoke Advisory Until 7 PM Friday, July 17: Sheboygan to Port Washington
Boaters planning Lake Michigan nearshore trips Friday, July 17, should expect dense smoke and visibility of 1 nautical mile or less—until 7 PM CDT.
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Saturday, July 4 through Sunday morning, July 5: Dense fog advisory covers Sheboygan nearshore waters
A Dense Fog Advisory is in effect for the nearshore waters from Sheboygan to Winthrop Harbor through 10 a.m. Sunday, July 5. Boaters should use caution.
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Monday, June 29: Beach Hazards Statement remains in effect for Sheboygan County through 10 p.m.
A Beach Hazards Statement remains in effect for the Sheboygan County lakeshore until 10 p.m. Monday, with 3- to 5-foot waves and dangerous currents.
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Saturday, May 23: Patchy fog and a late-night shower chance for Sheboygan County
Patchy fog, a small late-night shower chance, and a sunny Memorial Day are the main takeaways from the National Weather Service’s Saturday update.
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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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Beach Hazards Statement Covers Sheboygan County Lakeshore Friday Afternoon to Saturday Afternoon
A Beach Hazards Statement covers Sheboygan County’s lakeshore from Friday afternoon through Saturday afternoon. NWS warns of 3 to 5 foot waves and dangerous currents.
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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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