Alert archive / Wisconsin / Beach Hazards Statements in 2018

Beach Hazards Statement 12, NWS Green Bay, WI

August 30, 2018Door County, Kewaunee County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Aug 30, 2018, 4:23 PM CDT for Door County, Kewaunee County, Manitowoc County, Wisconsin. It took effect at Aug 31, 2018, 10:00 AM CDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Aug 30, 2018, 4:23 PM CDT (21:23 UTC)
In effect from
Aug 31, 2018, 10:00 AM CDT
Expired
Sep 1, 2018, 7:00 PM CDT
In force
33 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 21:27 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, 9.4 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 2018-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2018-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

089 
WHUS43 KGRB 302123
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
423 PM CDT Thu Aug 30 2018

WIZ022-040-050-310530-
/O.NEW.KGRB.BH.S.0012.180831T1600Z-180901T1800Z/
Door-Kewaunee-Manitowoc-
423 PM CDT Thu Aug 30 2018

...BEACH HAZARDS STATEMENT IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY AFTERNOON...

The National Weather Service in Green Bay has issued a Beach
Hazards Statement, which is in effect from Friday morning through
Saturday afternoon. 

* High wave action, strong currents, and dangerous swimming 
  conditions expected.

* Location...

  Beaches of Door County including Rock Island State Beach, 
  Baileys Harbor beaches, and Whitefish Dunes Beach.

  Beaches of Kewaunee County including Cresent Beach and 
  City of Kewaunee Beach.

  Beaches of Manitowoc County including Point Beach, Neshotah
  Beach, and Red Arrow Beach.

* Strong and persistent south winds will bring waves of 4 to 7 
  feet by Friday afternoon to the Lake Michigan shore of northeast
  Wisconsin and continue through early Saturday afternoon, 
  resulting in dangerous swimming conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$

BERSCH
8 follow-up statements
930 
WHUS43 KGRB 310235
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
935 PM CDT Thu Aug 30 2018

WIZ022-040-050-311045-
/O.CON.KGRB.BH.S.0012.180831T1600Z-180901T1800Z/
Door-Kewaunee-Manitowoc-
935 PM CDT Thu Aug 30 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH SATURDAY AFTERNOON...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

  Beaches of Door County including Rock Island State Beach,  
  Baileys Harbor beaches, and Whitefish Dunes Beach.

  Beaches of Kewaunee County including Cresent Beach and City of 
  Kewaunee Beach.

  Beaches of Manitowoc County including Point Beach, Neshotah  
  Beach, and Red Arrow Beach.

* Strong and persistent south winds will bring waves of 4 to 7 
  feet by Friday afternoon to the Lake Michigan shore of 
  northeast Wisconsin and continue through early Saturday 
  afternoon, resulting in dangerous swimming conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$

Bersch
417 
WHUS43 KGRB 310917
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
417 AM CDT Fri Aug 31 2018

WIZ022-040-050-311630-
/O.EXT.KGRB.BH.S.0012.180831T1500Z-180902T0000Z/
Door-Kewaunee-Manitowoc-
417 AM CDT Fri Aug 31 2018

...BEACH HAZARDS STATEMENT NOW IN EFFECT FROM 10 AM CDT THIS
MORNING THROUGH SATURDAY EVENING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

  Beaches of Door County including Rock Island State Beach,  
  Baileys Harbor beaches, and Whitefish Dunes Beach.

  Beaches of Kewaunee County including Cresent Beach and City of 
  Kewaunee Beach.

  Beaches of Manitowoc County including Point Beach, Neshotah  
  Beach, and Red Arrow Beach.

* Persistent south winds will result in building waves on Lake
  Michigan. The waves will likely result in dangerous currents and
  hazardous swimming conditions at beaches along the lakeshore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$

Skowronski
781 
WHUS43 KGRB 311436
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
936 AM CDT Fri Aug 31 2018

WIZ022-040-050-312245-
/O.CON.KGRB.BH.S.0012.180831T1500Z-180902T0000Z/
Door-Kewaunee-Manitowoc-
936 AM CDT Fri Aug 31 2018

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

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

  Beaches of Door County including Rock Island State Beach,  
  Baileys Harbor beaches, and Whitefish Dunes Beach.

  Beaches of Kewaunee County including Cresent Beach and City of 
  Kewaunee Beach.

  Beaches of Manitowoc County including Point Beach, Neshotah  
  Beach, and Red Arrow Beach.

* Persistent south winds will result in building waves on Lake
  Michigan today through late Saturday afternoon. The waves will 
  likely result in dangerous currents and hazardous swimming 
  conditions at beaches along the lakeshore. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
345 
WHUS43 KGRB 312033
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
333 PM CDT Fri Aug 31 2018

Default overview section
WIZ022-040-050-010445-
/O.CON.KGRB.BH.S.0012.000000T0000Z-180902T0000Z/
Door-Kewaunee-Manitowoc-
333 PM CDT Fri Aug 31 2018

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

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

 Beaches of Door County including Rock Island State Beach,  
Baileys Harbor beaches, and Whitefish Dunes Beach.

 Beaches of Kewaunee County including Cresent Beach and City of 
Kewaunee Beach.

 Beaches of Manitowoc County including Point Beach, Neshotah  
Beach, and Red Arrow Beach.

* Persistent south winds will result in building waves on Lake 
  Michigan today through late Saturday afternoon. The waves will 
  likely result in dangerous currents and hazardous swimming 
  conditions at beaches along the lakeshore. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
776 
WHUS43 KGRB 010204
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
904 PM CDT Fri Aug 31 2018

Default overview section
WIZ022-040-050-011015-
/O.CON.KGRB.BH.S.0012.000000T0000Z-180902T0000Z/
Door-Kewaunee-Manitowoc-
904 PM CDT Fri Aug 31 2018

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

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

Beaches of Door County including Rock Island State Beach,
Baileys Harbor beaches, and Whitefish Dunes Beach.

Beaches of Kewaunee County including Cresent Beach and City of
Kewaunee Beach.

Beaches of Manitowoc County including Point Beach, Neshotah
Beach, and Red Arrow Beach.

* Persistent south winds will result in building waves on Lake 
  Michigan today through late Saturday afternoon. The waves will 
  likely result in dangerous currents and hazardous swimming 
  conditions at beaches along the lakeshore. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
051 
WHUS43 KGRB 010910
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
410 AM CDT Sat Sep 1 2018

WIZ022-040-050-011715-
/O.CON.KGRB.BH.S.0012.000000T0000Z-180902T0000Z/
Door-Kewaunee-Manitowoc-
410 AM CDT Sat Sep 1 2018

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

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

  Beaches of Door County including Rock Island State Beach, 
  Baileys Harbor beaches, and Whitefish Dunes Beach.

  Beaches of Kewaunee County including Cresent Beach and City of
  Kewaunee Beach.

  Beaches of Manitowoc County including Point Beach, Neshotah
  Beach, and Red Arrow Beach.

* Persistent south winds have generated 4 to 7 foot waves on Lake
  Michigan. Although the waves will slowly subside today, they
  will remain sufficient to produce dangerous currents and 
  hazardous swimming conditions at beaches along the lakeshore. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$

Skowronski
823 
WHUS43 KGRB 011454
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
954 AM CDT Sat Sep 1 2018

WIZ022-040-050-012300-
/O.CON.KGRB.BH.S.0012.000000T0000Z-180902T0000Z/
Door-Kewaunee-Manitowoc-
954 AM CDT Sat Sep 1 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

  Beaches of Door County including Rock Island State Beach,  
  Baileys Harbor beaches, and Whitefish Dunes Beach.

  Beaches of Kewaunee County including Cresent Beach and City of 
  Kewaunee Beach.

  Beaches of Manitowoc County including Point Beach, Neshotah  
  Beach, and Red Arrow Beach.

* Persistent south winds have generated 4 to 7 foot waves on Lake
  Michigan. Although the waves will slowly subside this evening, 
  they will remain sufficient to produce dangerous currents and 
  hazardous swimming conditions at beaches along the lakeshore. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$
428 
WHUS43 KGRB 012036
CFWGRB

Lakeshore Hazard Message
National Weather Service Green Bay WI
336 PM CDT Sat Sep 1 2018

Default overview section
WIZ022-040-050-020000-
/O.CON.KGRB.BH.S.0012.000000T0000Z-180902T0000Z/
Door-Kewaunee-Manitowoc-
336 PM CDT Sat Sep 1 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* High wave action, strong currents, and dangerous swimming 
  conditions expected. 

* Location...

 Beaches of Door County including Rock Island State Beach,  
Baileys Harbor beaches, and Whitefish Dunes Beach.

 Beaches of Kewaunee County including Cresent Beach and City of 
Kewaunee Beach.

 Beaches of Manitowoc County including Point Beach, Neshotah  
Beach, and Red Arrow Beach.

* Persistent south winds have generated 3 to 5 foot waves on 
  Lake Michigan. Although the waves will slowly subside this 
  evening, they will remain sufficient to produce dangerous 
  currents and hazardous swimming conditions at beaches along 
  the lakeshore. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High wave action makes swimming difficult as waves on the Great
Lakes occur in rapid succession.  High wave action also leads to
strong currents.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 2:58 PM CDTFlash Flood WatchGRBCalumet, Manitowoc, Waushara, Winnebago37 hr
Aug 30, 3:57 PM CDTSmall Craft AdvisoryGRB51 hr

Nearby

Beach Hazards Statements in Wisconsin, 2018Every beach hazards statement in 2018

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.