Alert archive / Wisconsin / Beach Hazards Statements in 2023

Beach Hazards Statement 3, NWS Green Bay, WI

August 16, 2023Door County, Kewaunee County, Manitowoc County, Wisconsin

NWS Green Bay, WI issued this beach hazards statement at Aug 16, 2023, 3:48 AM CDT for Door County, Kewaunee County, Manitowoc County, Wisconsin. It took effect at Aug 16, 2023, 4:00 PM CDT. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Aug 16, 2023, 3:48 AM CDT (08:48 UTC)
In effect from
Aug 16, 2023, 4:00 PM CDT
Expired
Aug 17, 2023, 12:00 PM CDT
In force
20 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 08:46 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 00:00Z, 8.8 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 00:00Z on 2023-08-16Temperature 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 00:00Z on 2023-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
1635 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

582 
WHUS43 KGRB 160848
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
348 AM CDT Wed Aug 16 2023

WIZ022-040-050-161700-
/O.NEW.KGRB.BH.S.0003.230816T2100Z-230817T1000Z/
Door-Kewaunee-Manitowoc-
348 AM CDT Wed Aug 16 2023

...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS AFTERNOON THROUGH
LATE TONIGHT...

* WHAT...High waves and strong currents expected.

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

* WHEN...From this afternoon through late tonight.

* 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.

&&

$$

Kurimski
6 follow-up statements
241 
WHUS43 KGRB 161535
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
1035 AM CDT Wed Aug 16 2023

WIZ022-040-050-162345-
/O.CON.KGRB.BH.S.0003.230816T2100Z-230817T1000Z/
Door-Kewaunee-Manitowoc-
1035 AM CDT Wed Aug 16 2023

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 4 PM CDT THIS
AFTERNOON THROUGH LATE TONIGHT...

* WHAT...High waves and strong currents expected.

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

* WHEN...From this afternoon through late tonight.

* 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.

&&

$$
758 
WHUS43 KGRB 161939
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
239 PM CDT Wed Aug 16 2023

WIZ022-040-050-170345-
/O.EXT.KGRB.BH.S.0003.230816T2100Z-230817T1200Z/
Door-Kewaunee-Manitowoc-
239 PM CDT Wed Aug 16 2023

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THURSDAY
MORNING...

* WHAT...High waves and strong currents expected.

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

* WHEN...Through Thursday morning.

* 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.

&&

$$
Eckberg
440 
WHUS43 KGRB 170325
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
1025 PM CDT Wed Aug 16 2023

WIZ022-040-050-171130-
/O.CON.KGRB.BH.S.0003.000000T0000Z-230817T1200Z/
Door-Kewaunee-Manitowoc-
1025 PM CDT Wed Aug 16 2023

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 AM CDT
THURSDAY...

* WHAT...High waves and strong currents expected.

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

* WHEN...Through Thursday morning.

* 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.

&&

$$
mpc
688 
WHUS43 KGRB 170820
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
320 AM CDT Thu Aug 17 2023

WIZ022-171700-
/O.EXT.KGRB.BH.S.0003.000000T0000Z-230817T1700Z/
Door-
320 AM CDT Thu Aug 17 2023

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL NOON CDT TODAY...

* WHAT...High waves and strong currents expected.

* WHERE...Beaches along Lake Michigan in Door County.

* WHEN...Until noon CDT today.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

WIZ040-050-171400-
/O.EXT.KGRB.BH.S.0003.000000T0000Z-230817T1400Z/
Kewaunee-Manitowoc-
320 AM CDT Thu Aug 17 2023

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 9 AM CDT THIS
MORNING...

* WHAT...High waves and strong currents expected.

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

* WHEN...Until 9 AM CDT this morning.

* 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... 
  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.

&&

$$

Kurimski
727 
WHUS43 KGRB 171347
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
847 AM CDT Thu Aug 17 2023

WIZ040-050-171500-
/O.EXP.KGRB.BH.S.0003.000000T0000Z-230817T1400Z/
Kewaunee-Manitowoc-
847 AM CDT Thu Aug 17 2023

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 9 AM CDT THIS MORNING...

Waves have subsided below four feet this morning, thus the risk of
of rip currents has diminished. 

$$

WIZ022-171700-
/O.CON.KGRB.BH.S.0003.000000T0000Z-230817T1700Z/
Door-
847 AM CDT Thu Aug 17 2023

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL NOON CDT
TODAY...

* WHAT...High waves and strong currents expected.

* WHERE...Beaches along Lake Michigan in Door County.

* WHEN...Until noon CDT today.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$
Eckberg
052 
WHUS43 KGRB 171645
CFWGRB

Coastal Hazard Message
National Weather Service Green Bay WI
1145 AM CDT Thu Aug 17 2023

WIZ022-171745-
/O.EXP.KGRB.BH.S.0003.000000T0000Z-230817T1700Z/
Door-
1145 AM CDT Thu Aug 17 2023

...BEACH HAZARDS STATEMENT WILL EXPIRE AT NOON CDT TODAY...

The waves have subsided below four feet, thus the risk of rip
currents has diminished. 

$$

Eckberg

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 3:55 AM CDTGale WarningGRB23 hr

Nearby

Beach Hazards Statements in Wisconsin, 2023Every beach hazards statement in 2023

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.