Alert archive / Michigan / Beach Hazards Statements in 2021

Beach Hazards Statement 11, NWS Grand Rapids, MI

July 19, 20216 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jul 19, 2021, 4:00 PM EDT for 6 counties in Michigan. It took effect at Jul 20, 2021, 12:00 PM EDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 2021, 4:00 PM EDT (20:00 UTC)
In effect from
Jul 20, 2021, 12:00 PM EDT
Expired
Jul 21, 2021, 3:13 AM EDT
In force
15 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 60 km from the middle of the area, began a volume at 19:58 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, 8.0 hours before the alert went out and 214 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 2021-07-19Temperature 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 2021-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.1939Sfc1 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
1345 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

741 
WHUS43 KGRR 192000
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
400 PM EDT Mon Jul 19 2021

MIZ037-043-050-200400-
/O.NEW.KGRR.BH.S.0011.210720T1600Z-210721T0600Z/
Mason-Oceana-Muskegon-
400 PM EDT Mon Jul 19 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY AFTERNOON
THROUGH LATE TUESDAY NIGHT...

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

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

* WHEN...From Tuesday afternoon through late Tuesday night.

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

* ADDITIONAL DETAILS...North winds will increase Tuesday afternoon
  to 15 to 25 mph which will build waves heights to 3 to 5 feet
  through the course of the afternoon. North sides of north piers
  will be the most dangerous places to swim...such as...Stearns
  Park in Ludington and Mears State Park in Pentwater.

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.

&&

$$

DUKE
8 follow-up statements
696 
WHUS43 KGRR 192240
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
640 PM EDT Mon Jul 19 2021

MIZ056-064-071-200645-
/O.EXB.KGRR.BH.S.0011.210720T2200Z-210721T1200Z/
Ottawa-Allegan-Van Buren-
640 PM EDT Mon Jul 19 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY MORNING...

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

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...From Tuesday evening through Wednesday morning.

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

* ADDITIONAL DETAILS...North winds will increase late in the day
  Tuesday to 15 to 25 mph which will build waves heights to 3 to 5
  feet Tuesday evening. North sides of north piers will be the
  most dangerous places to swim, such as at Holland State Park and
  North Beach at South Haven. 


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.

&&

$$

MIZ037-043-050-200645-
/O.CON.KGRR.BH.S.0011.210720T1600Z-210721T0600Z/
Mason-Oceana-Muskegon-
640 PM EDT Mon Jul 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM TUESDAY
AFTERNOON THROUGH LATE TUESDAY NIGHT...

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

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

* WHEN...From Tuesday afternoon through late Tuesday night.

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

* ADDITIONAL DETAILS...North winds will increase Tuesday afternoon
  to 15 to 25 mph which will build waves heights to 3 to 5 feet
  through the course of the afternoon. North sides of north piers
  will be the most dangerous places to swim, such as at Stearns
  Park in Ludington and Mears State Park in Pentwater.

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.

&&

$$
411 
WHUS43 KGRR 200300
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1100 PM EDT Mon Jul 19 2021

MIZ037-043-050-201100-
/O.CON.KGRR.BH.S.0011.210720T1600Z-210721T0600Z/
Mason-Oceana-Muskegon-
1100 PM EDT Mon Jul 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM TUESDAY
AFTERNOON THROUGH LATE TUESDAY NIGHT...

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

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

* WHEN...From Tuesday afternoon through late Tuesday night.

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

* ADDITIONAL DETAILS...North winds will increase Tuesday 
  afternoon to 15 to 25 mph which will build waves heights to 3 to
  5 feet through the course of the afternoon. North sides of 
  north piers will be the most dangerous places to swim, such as 
  at Stearns Park in Ludington and Mears State Park in Pentwater.


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.

&&

$$

MIZ056-064-071-201100-
/O.CON.KGRR.BH.S.0011.210720T2200Z-210721T1200Z/
Ottawa-Allegan-Van Buren-
1100 PM EDT Mon Jul 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM TUESDAY EVENING
THROUGH WEDNESDAY MORNING...

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

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...From Tuesday evening through Wednesday morning.

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

* ADDITIONAL DETAILS...North winds will increase late in the day 
  Tuesday to 15 to 25 mph which will build waves heights to 3 to 5
  feet Tuesday evening. North sides of north piers will be the 
  most dangerous places to swim, such as at Holland State Park and
  North Beach at South Haven. 

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.

&&

$$
417 
WHUS43 KGRR 200739
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
339 AM EDT Tue Jul 20 2021

MIZ037-043-050-201545-
/O.CON.KGRR.BH.S.0011.210720T1600Z-210721T0600Z/
Mason-Oceana-Muskegon-
339 AM EDT Tue Jul 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM NOON EDT TODAY
THROUGH LATE TONIGHT...

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

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

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

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

* ADDITIONAL DETAILS...North winds will increase this afternoon 
  to 15 to 25 mph which will build waves heights to 3 to 5 feet 
  through the course of the afternoon. North sides of north piers 
  will be the most dangerous places to swim, such as at Stearns 
  Park in Ludington and Mears State Park in Pentwater.

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.

&&

$$

MIZ056-064-071-201545-
/O.CON.KGRR.BH.S.0011.210720T2200Z-210721T1200Z/
Ottawa-Allegan-Van Buren-
339 AM EDT Tue Jul 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THIS EVENING
THROUGH WEDNESDAY MORNING...

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

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...From this evening through Wednesday morning.

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

* ADDITIONAL DETAILS...North winds will increase late today to 15
  to 25 mph which will build waves heights to 3 to 5 feet this
  evening. North sides of north piers will be the most dangerous 
  places to swim, such as at Holland State Park and North Beach at
  South Haven.

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.

&&

$$
753 
WHUS43 KGRR 201533
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1133 AM EDT Tue Jul 20 2021

MIZ037-043-050-202345-
/O.CON.KGRR.BH.S.0011.210720T1600Z-210721T0600Z/
Mason-Oceana-Muskegon-
1133 AM EDT Tue Jul 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...

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

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

* WHEN...Through late tonight.

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

* ADDITIONAL DETAILS...Waves will increase in height this
  afternoon to 3 to 5 feet. The highest waves will be in and
  around Ludington State Park near Big Sable Point and around
  Silver Lake State Park near Little Sable Point.

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.

&&

$$

MIZ056-064-071-202345-
/O.CON.KGRR.BH.S.0011.210720T2200Z-210721T1200Z/
Ottawa-Allegan-Van Buren-
1133 AM EDT Tue Jul 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 PM EDT THIS
EVENING THROUGH WEDNESDAY MORNING...

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

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...From 6 PM EDT this evening through Wednesday morning.

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

* ADDITIONAL DETAILS...Waves will increase this evening and
  especially towards sunset. Waves will likely reach the 3 to 5
  feet late in the day and into tonight.

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.

&&

$$
745 
WHUS43 KGRR 201955
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
355 PM EDT Tue Jul 20 2021

MIZ037-043-050-210400-
/O.CON.KGRR.BH.S.0011.000000T0000Z-210721T0600Z/
Mason-Oceana-Muskegon-
355 PM EDT Tue Jul 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT
WEDNESDAY...

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

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

* WHEN...Until 2 AM EDT Wednesday.

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

* ADDITIONAL DETAILS...Waves will increase in height this
  afternoon to 3 to 5 feet. The highest waves will be in and
  around Ludington State Park near Big Sable Point and around
  Silver Lake State Park near Little Sable Point.

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.

&&

$$

MIZ056-064-071-210400-
/O.CON.KGRR.BH.S.0011.210720T2200Z-210721T1200Z/
Ottawa-Allegan-Van Buren-
355 PM EDT Tue Jul 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
MORNING...

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

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...Through Wednesday morning.

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

* ADDITIONAL DETAILS...Waves will increase this evening and
  especially towards sunset. Waves will likely reach the 3 to 5
  feet late in the day and into tonight.

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.

&&

$$

DUKE
586 
WHUS43 KGRR 210249
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
1049 PM EDT Tue Jul 20 2021

MIZ037-043-050-210600-
/O.CON.KGRR.BH.S.0011.000000T0000Z-210721T0600Z/
Mason-Oceana-Muskegon-
1049 PM EDT Tue Jul 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 2 AM EDT
WEDNESDAY...

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

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

* WHEN...Until 2 AM EDT Wednesday.

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

* ADDITIONAL DETAILS...Waves heights peaked close to 5 feet at
  Ludington during the late afternoon and just under 4 feet at
  Muskegon early this evening. Wave heights will continue to
  decrease into early Wednesday morning, falling under 3 feet by 
  2 am.

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.

&&

$$

MIZ056-064-071-211100-
/O.CON.KGRR.BH.S.0011.000000T0000Z-210721T1200Z/
Ottawa-Allegan-Van Buren-
1049 PM EDT Tue Jul 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 AM EDT
WEDNESDAY...

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

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...Through Wednesday morning.

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

* ADDITIONAL DETAILS...Waves heights as of 10 pm continued to
  increase at South Haven, so far reaching around 3.5 feet. The
  crest of the highest waves will past this area just after
  midnight. Meanwhile, the crest of about 4 feet, past Port
  Sheldon around 8 pm this evening. Waves heights should fall 
  under 3 feet by 8 am Wednesday morning.

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
487 
WHUS43 KGRR 210534
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
134 AM EDT Wed Jul 21 2021

MIZ037-043-050-210645-
/O.EXP.KGRR.BH.S.0011.000000T0000Z-210721T0600Z/
Mason-Oceana-Muskegon-
134 AM EDT Wed Jul 21 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 2 AM EDT EARLY THIS
MORNING...

The waves have decreased across the region so the hazard will be
allowed to expire.

$$

MIZ056-064-071-211200-
/O.CON.KGRR.BH.S.0011.000000T0000Z-210721T1200Z/
Ottawa-Allegan-Van Buren-
134 AM EDT Wed Jul 21 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

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

* WHERE...Ottawa, Allegan and Van Buren counties.

* WHEN...Until 8 AM EDT this morning.

* 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.

&&

$$
598 
WHUS43 KGRR 210713
CFWGRR

Coastal Hazard Message
National Weather Service Grand Rapids MI
313 AM EDT Wed Jul 21 2021

MIZ056-064-071-210815-
/O.CAN.KGRR.BH.S.0011.000000T0000Z-210721T1200Z/
Ottawa-Allegan-Van Buren-
313 AM EDT Wed Jul 21 2021

...BEACH HAZARDS STATEMENT IS CANCELLED...

The waves have fallen to under 4 feet and will continue to fall
through the remainder of the night. Thus the hazard has been
cancelled.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 3:57 PM EDTSmall Craft AdvisoryGRR35 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.