Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 1, NWS Grand Rapids, MI

June 4, 20214 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jun 4, 2021, 3:39 PM EDT for 4 counties in Michigan. It took effect at Jun 5, 2021, 4:00 AM EDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jun 4, 2021, 3:39 PM EDT (19:39 UTC)
In effect from
Jun 5, 2021, 4:00 AM EDT
Expired
Jun 5, 2021, 10:00 PM EDT
In force
18 hr
Issued by
NWS Grand Rapids, MI

Counties Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI

The radar

The Grand Rapids radar (KGRR), 87 km from the middle of the area, began a volume at 19:43 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, 7.7 hours before the alert went out and 184 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 2021-06-04Temperature 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 2021-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
1926 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

518 
WHUS43 KGRR 041939
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
339 PM EDT Fri Jun 4 2021

MIZ037-043-050345-
/O.NEW.KGRR.BH.S.0001.210605T0800Z-210606T0200Z/
Mason-Oceana-
339 PM EDT Fri Jun 4 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY EVENING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason and Oceana counties.

* WHEN...From late tonight through Saturday evening.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...South to southwest winds of up to 30 mph 
  will cause waves to build to 3 to 5 feet north of Whitehall on 
  Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
5 follow-up statements
361 
WHUS43 KGRR 050125
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
925 PM EDT Fri Jun 4 2021

MIZ037-043-050930-
/O.CON.KGRR.BH.S.0001.210605T0800Z-210606T0200Z/
Mason-Oceana-
925 PM EDT Fri Jun 4 2021

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

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason and Oceana counties.

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

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
866 
WHUS43 KGRR 050135
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
935 PM EDT Fri Jun 4 2021

MIZ037-043-050945-
/O.CON.KGRR.BH.S.0001.210605T0800Z-210606T0200Z/
Mason-Oceana-
935 PM EDT Fri Jun 4 2021

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

* WHAT...High wave action, strong currents, and dangerous swimming
  conditions expected. Piers may be swamped by waves.

* WHERE...Mason and Oceana counties.

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

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
228 
WHUS43 KGRR 050801
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
401 AM EDT Sat Jun 5 2021

MIZ037-043-051615-
/O.CON.KGRR.BH.S.0001.000000T0000Z-210606T0200Z/
Mason-Oceana-
401 AM EDT Sat Jun 5 2021

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

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be swamped by waves.

* WHERE...Mason and Oceana counties.

* WHEN...Through this evening.

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

wdm
816 
WHUS43 KGRR 051459
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1059 AM EDT Sat Jun 5 2021

MIZ050-056-052300-
/O.EXA.KGRR.BH.S.0001.000000T0000Z-210606T0200Z/
Muskegon-Ottawa-
1059 AM EDT Sat Jun 5 2021

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Muskegon and Ottawa counties.

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

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...Beaches with particularly dangerous 
  conditions today include Grand Haven State Park and Pere 
  Marquette Park in Muskegon. Strong structural currents will 
  exist near the south piers at these beaches and swimming near 
  them could drag you quickly out into deep water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

MIZ037-043-052300-
/O.CON.KGRR.BH.S.0001.000000T0000Z-210606T0200Z/
Mason-Oceana-
1059 AM EDT Sat Jun 5 2021

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

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason and Oceana counties.

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

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$
169 
WHUS43 KGRR 051942
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
342 PM EDT Sat Jun 5 2021

MIZ037-043-050-056-060200-
/O.CON.KGRR.BH.S.0001.000000T0000Z-210606T0200Z/
Mason-Oceana-Muskegon-Ottawa-
342 PM EDT Sat Jun 5 2021

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

* WHAT...High wave action, strong currents, and dangerous 
  swimming conditions expected. Piers may be heavily swamped by 
  waves.

* WHERE...Mason, Oceana, Muskegon and Ottawa counties.

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

* IMPACTS...Strong currents can pull swimmers into deeper water 
  and high waves can sweep people off piers.

* ADDITIONAL DETAILS...Beaches with particularly dangerous 
  conditions today include Grand Haven State Park and Pere 
  Marquette Park in Muskegon. Strong structural currents will 
  exist near the south piers at these beaches and swimming near 
  them could drag you quickly out into deep water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.

&&

$$

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 12:56 PM EDTFire Weather WatchGRRClare, Lake, Mason, Mecosta, Muskegon, Newaygo and 2 more22 hr
Jun 4, 3:42 PM EDTSmall Craft AdvisoryGRR30 hr

Nearby

Beach Hazards Statements in Michigan, 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.