Alert archive / Wisconsin / Beach Hazards Statements in 2025

Beach Hazards Statement 4, NWS Milwaukee, WI

June 20, 2025Ozaukee County, Sheboygan County, Wisconsin

NWS Milwaukee, WI issued this beach hazards statement at Jun 20, 2025, 5:00 PM CDT for Ozaukee County, Sheboygan County, Wisconsin. It took effect at Jun 21, 2025, 4:00 AM CDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jun 20, 2025, 5:00 PM CDT (22:00 UTC)
In effect from
Jun 21, 2025, 4:00 AM CDT
Expired
Jun 21, 2025, 10:00 PM CDT
In force
18 hr
Issued by
NWS Milwaukee, WI

Counties Ozaukee County, WI, Sheboygan County, WI

The radar

The Milwaukee radar (KMKX), 89 km from the middle of the area, began a volume at 22:01 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.0 hours before the alert went out and 308 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Davenport, at 12:00Z on 2025-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 337 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2025-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
337 J/kg
Mixed-layer CIN
-228 J/kg
Mixed-layer LCL
1437 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

690 
WHUS43 KMKX 202200
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
500 PM CDT Fri Jun 20 2025

WIZ052-060-210700-
/O.NEW.KMKX.BH.S.0004.250621T0900Z-250622T0300Z/
Sheboygan-Ozaukee-
500 PM CDT Fri Jun 20 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 AM CDT SATURDAY
THROUGH SATURDAY EVENING...

* WHAT...Life threatening waves of 4 to 6 feet and dangerous 
  currents are expected.

* WHERE...Sheboygan and Ozaukee Counties.

* WHEN...From 4 AM CDT Saturday through Saturday evening.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

* ADDITIONAL DETAILS...Highest waves expected for northern Ozaukee
  County into Sheboygan counties. Areas south of Port Washington
  down to Kenosha County will still see elevated waves up to 4 
  feet and gusty winds resulting in Moderate Swim Risk. Use 
  caution if heading to a beach Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$
4 follow-up statements
574 
WHUS43 KMKX 210214
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
914 PM CDT Fri Jun 20 2025

WIZ052-060-211015-
/O.CON.KMKX.BH.S.0004.250621T0900Z-250622T0300Z/
Sheboygan-Ozaukee-
914 PM CDT Fri Jun 20 2025

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 AM CDT
SATURDAY THROUGH SATURDAY EVENING...

* WHAT...Life threatening waves of 4 to 6 feet and dangerous 
  currents are expected.

* WHERE...Sheboygan and Ozaukee Counties.

* WHEN...From 4 AM CDT Saturday through Saturday evening.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

* ADDITIONAL DETAILS...Highest waves expected for northern 
  Ozaukee County into Sheboygan counties. Areas south of Port 
  Washington down to Kenosha County will still see elevated 
  waves up to 4 feet and gusty winds resulting in Moderate Swim 
  Risk. Use caution if heading to a beach Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$
037 
WHUS43 KMKX 210900
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
400 AM CDT Sat Jun 21 2025

WIZ052-060-211700-
/O.CON.KMKX.BH.S.0004.000000T0000Z-250622T0300Z/
Sheboygan-Ozaukee-
400 AM CDT Sat Jun 21 2025

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* WHAT...Life threatening waves of 4 to 6 feet and dangerous 
  currents are expected.

* WHERE...Sheboygan and Ozaukee Counties.

* WHEN...From 4 AM CDT Saturday through Saturday evening.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$
549 
WHUS43 KMKX 211400
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
900 AM CDT Sat Jun 21 2025

WIZ052-060-212200-
/O.CON.KMKX.BH.S.0004.000000T0000Z-250622T0300Z/
Sheboygan-Ozaukee-
900 AM CDT Sat Jun 21 2025

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* WHAT...Life threatening waves of 4 to 6 feet and dangerous 
  currents are expected.

* WHERE...Sheboygan and Ozaukee Counties.

* WHEN...Through this evening.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$
465 
WHUS43 KMKX 211850
CFWMKX

Lakeshore Hazard Message
National Weather Service Milwaukee/Sullivan WI
150 PM CDT Sat Jun 21 2025

WIZ052-060-220300-
/O.CON.KMKX.BH.S.0004.000000T0000Z-250622T0300Z/
Sheboygan-Ozaukee-
150 PM CDT Sat Jun 21 2025

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

* WHAT...Life threatening waves of 4 to 6 feet and dangerous 
  currents are expected.

* WHERE...Sheboygan and Ozaukee Counties.

* WHEN...Through this evening.

* IMPACTS...Dangerous swimming conditions are expected due to 
  high waves and onshore winds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay out of the water and away from dangerous areas like piers
and breakwalls.  Strong structural and longshore currents are
expected.  Rip currents are possible.

&&

$$

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 8:18 PM CDTSpecial Weather StatementMKXSheboygan42 min
Jun 19, 8:22 PM CDTSpecial Marine WarningMKX53 min
Jun 19, 8:32 PM CDTSevere Thunderstorm WarningMKXSheboygan43 min
Jun 19, 9:06 PM CDTSpecial Marine WarningMKX39 min
Jun 19, 9:33 PM CDTSpecial Marine WarningMKX42 min
Jun 20, 2:37 AM CDTExtreme Heat WarningMKXKenosha, Milwaukee, Racine4 days
Jun 20, 2:45 AM CDTHeat AdvisoryMKXColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 11 more4 days
Jun 20, 10:27 AM CDTSmall Craft AdvisoryMKX42 hr

Nearby

Beach Hazards Statements in Wisconsin, 2025Every beach hazards statement in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.