Alert archive / Wisconsin / Beach Hazards Statements in 2021

Beach Hazards Statement 15, NWS Green Bay, WI

September 21, 2021Door County, Kewaunee County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Sep 21, 2021, 2:14 PM CDT for Door County, Kewaunee County, Manitowoc County, Wisconsin. It was in force for 55 hr.

The area

The counties it named.

The facts

Issued
Sep 21, 2021, 2:14 PM CDT (19:14 UTC)
Expired
Sep 23, 2021, 9:42 PM CDT
In force
55 hr
Issued by
NWS Green Bay, WI

Counties Door County, WI, Kewaunee County, WI, Manitowoc County, WI

The radar

The Green Bay radar (KGRB), 47 km from the middle of the area, began a volume at 19:13 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.2 hours before the alert went out and 46 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, Green Bay/Straub, WI at 12:00Z on 2021-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Green Bay/Straub, WI at 12:00Z on 2021-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -157 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
655 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-157 m²/s²
0-3 km storm-relative helicity
-20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

490 
WHUS43 KGRB 211914
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
214 PM CDT Tue Sep 21 2021

WIZ022-040-050-220315-
/O.NEW.KGRB.BH.S.0015.210921T1914Z-210923T2100Z/
Door-Kewaunee-Manitowoc-
214 PM CDT Tue Sep 21 2021

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THURSDAY AFTERNOON...

* WHAT...Waves resulting in strong currents and dangerous swimming
  conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through Thursday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
9 follow-up statements
116 
WHUS43 KGRB 220252
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
952 PM CDT Tue Sep 21 2021

WIZ022-040-050-221100-
/O.CON.KGRB.BH.S.0015.000000T0000Z-210923T2100Z/
Door-Kewaunee-Manitowoc-
952 PM CDT Tue Sep 21 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
AFTERNOON...

* WHAT...Waves resulting in strong currents and dangerous swimming
  conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through Thursday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
180 
WHUS43 KGRB 220913
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
413 AM CDT Wed Sep 22 2021

WIZ022-040-050-221700-
/O.CON.KGRB.BH.S.0015.000000T0000Z-210923T2100Z/
Door-Kewaunee-Manitowoc-
413 AM CDT Wed Sep 22 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
AFTERNOON...

* WHAT...Significant waves and strong currents resulting in
  dangerous swimming conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through Thursday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong
  currents can pull swimmers into deeper water and high waves can
  sweep people off piers or boulders placed along the shoreline.

* ADDITIONAL DETAILS...Beaches that will be most susceptible to 
  the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water until waves subside.

&&

$$

JS
456 
WHUS43 KGRB 221449
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
949 AM CDT Wed Sep 22 2021

WIZ022-040-050-222300-
/O.CON.KGRB.BH.S.0015.000000T0000Z-210923T2100Z/
Door-Kewaunee-Manitowoc-
949 AM CDT Wed Sep 22 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
AFTERNOON...

* WHAT...High wave action and strong currents resulting in 
  dangerous swimming conditions expected.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through Thursday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
888 
WHUS43 KGRB 222048
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
348 PM CDT Wed Sep 22 2021

WIZ022-040-050-230500-
/O.CON.KGRB.BH.S.0015.000000T0000Z-210923T2100Z/
Door-Kewaunee-Manitowoc-
348 PM CDT Wed Sep 22 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
AFTERNOON...

* WHAT...High waves and strong currents resulting in dangerous
  swimming conditions.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through Thursday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
419 
WHUS43 KGRB 230222
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
922 PM CDT Wed Sep 22 2021

WIZ022-040-050-231030-
/O.CON.KGRB.BH.S.0015.000000T0000Z-210923T2100Z/
Door-Kewaunee-Manitowoc-
922 PM CDT Wed Sep 22 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
AFTERNOON...

* WHAT...High waves and strong currents resulting in dangerous 
  swimming conditions.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through Thursday afternoon.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
840 
WHUS43 KGRB 230851
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
351 AM CDT Thu Sep 23 2021

WIZ022-040-050-231700-
/O.EXT.KGRB.BH.S.0015.000000T0000Z-210924T0000Z/
Door-Kewaunee-Manitowoc-
351 AM CDT Thu Sep 23 2021

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

* WHAT...Significant waves and strong currents resulting in
  dangerous swimming conditions.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Through this evening.

* IMPACTS...Dangerous swimming conditions are expected. Strong
  currents can pull swimmers into deeper water and high waves can
  sweep people off piers or boulders placed along the shoreline.

* ADDITIONAL DETAILS...Beaches that will be most susceptible to 
  the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

JS
478 
WHUS43 KGRB 231520
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
1020 AM CDT Thu Sep 23 2021

WIZ022-040-050-232330-
/O.EXT.KGRB.BH.S.0015.000000T0000Z-210924T0300Z/
Door-Kewaunee-Manitowoc-
1020 AM CDT Thu Sep 23 2021

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

* WHAT...High waves and strong currents resulting in dangerous 
  swimming conditions.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Until 10 PM CDT this evening.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
374 
WHUS43 KGRB 231938
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
238 PM CDT Thu Sep 23 2021

WIZ022-040-050-240300-
/O.CON.KGRB.BH.S.0015.000000T0000Z-210924T0300Z/
Door-Kewaunee-Manitowoc-
238 PM CDT Thu Sep 23 2021

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

* WHAT...High waves and strong currents resulting in dangerous 
  swimming conditions.

* WHERE...Beaches along Lake Michigan in Door, Kewaunee and 
  Manitowoc Counties.

* WHEN...Until 10 PM CDT this evening.

* IMPACTS...Dangerous swimming conditions are expected. Strong 
  currents can pull swimmers into deeper water and high waves 
  can sweep people off piers.

* ADDITIONAL DETAILS...Several beaches that will be most 
  susceptible to the dangerous swimming conditions include...

  Rock Island State Beach, Baileys Harbor beaches and Whitefish
  Dunes Beach in Door County.

  Cresent Beach and City of Kewaunee Beach in Kewaunee County.

  Point Beach, Neshotah Beach and Red Arrow Beach in Manitowoc
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
841 
WHUS43 KGRB 240242
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
942 PM CDT Thu Sep 23 2021

WIZ022-040-050-240345-
/O.CAN.KGRB.BH.S.0015.000000T0000Z-210924T0300Z/
Door-Kewaunee-Manitowoc-
942 PM CDT Thu Sep 23 2021

...BEACH HAZARDS STATEMENT IS CANCELLED...

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 20, 7:02 PM CDTSpecial Weather StatementGRBMarathon, Portage, Wood58 min
Sep 20, 7:09 PM CDTSpecial Weather StatementGRBLincoln, Oneida, Vilas66 min
Sep 20, 7:34 PM CDTSpecial Weather StatementGRBMarathon, Portage, Waushara, Wood56 min
Sep 20, 7:56 PM CDTSpecial Weather StatementGRBMarathon, Portage, Waushara, Wood64 min
Sep 20, 8:06 PM CDTSpecial Weather StatementGRBForest, Langlade, Lincoln, Oneida, Vilas54 min
Sep 20, 8:46 PM CDTSpecial Weather StatementGRBBrown, Menominee, Oconto, Outagamie, Portage, Shawano and 3 more74 min
Sep 20, 9:57 PM CDTSpecial Weather StatementGRBWinnebago48 min
Sep 20, 10:45 PM CDTSpecial Marine WarningGRB37 min
Sep 20, 10:54 PM CDTSpecial Weather StatementGRBBrown, Manitowoc51 min
Sep 20, 11:16 PM CDTSpecial Marine WarningGRB72 min

Nearby

Beach Hazards Statements in Wisconsin, 2021Every beach hazards statement in 2021

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.