Alert archive / Michigan / Beach Hazards Statements in 2012

Beach Hazards Statement 7, NWS Grand Rapids, MI

July 30, 20126 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Jul 30, 2012, 4:49 PM EDT for 6 counties in Michigan. It took effect at Jul 31, 2012, 12:00 PM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 2012, 4:49 PM EDT (20:49 UTC)
In effect from
Jul 31, 2012, 12:00 PM EDT
Expired
Jul 31, 2012, 9:34 PM EDT
In force
10 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 20:48 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, 8.8 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 2012-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 455 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 2012-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
455 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
805 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

236 
WHUS43 KGRR 302049
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
449 PM EDT MON JUL 30 2012

MIZ037-043-050-310500-
/O.NEW.KGRR.BH.S.0007.120731T1600Z-120801T0900Z/
MASON-OCEANA-MUSKEGON-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK
449 PM EDT MON JUL 30 2012

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

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT. 

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...POSSIBLE.

* STRONG LONGSHORE CURRENTS...POSSIBLE.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM GRAND HAVEN TO MANISTEE. BEACHES WITH
  PARTICULARLY DANGEROUS CONDITIONS TUESDAY INCLUDE...

  MUSKEGON STATE PARK... MEARS STATE PARK IN PENTWATER... STERNS
  PARK IN LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL BECOME NORTHWEST EARLY
  TUESDAY MORNING...AND THEN INCREASE BY TUESDAY AFTERNOON TO 15
  TO 25 KNOTS. WAVES ARE EXPECTED TO BUILD TO AROUND 3 TO 4 FEET
  WITH SOME LOCALLY HIGHER WAVES POSSIBLE. CONDITIONS WILL BECOME
  HAZARDOUS TUESDAY AFTERNOON WITH LONGSHORE CURRENTS BECOMING
  STRONGER AND STRUCTURAL CURRENTS DEVELOPING ON THE NORTH SIDES
  OF STRUCTURES. RIP CURRENTS WILL ALSO BECOME POSSIBLE.

  THE HAZARDOUS CONDITIONS WILL CONTINUE THROUGH TUESDAY NIGHT.
  CONDITIONS WILL THEN IMPROVE TOWARD DAYBREAK WEDNESDAY MORNING
  AS WINDS AND WAVES DIMINISH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS. 

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

&&

$$

MIZ056-064-071-310500-
/O.NEW.KGRR.BH.S.0007.120731T1600Z-120801T0900Z/
OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...GRAND HAVEN STATE PARK...KIRK PARK...
TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...WEST SIDE PARK...
SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...NORTH BEACH...
SOUTH BEACH...VAN BUREN STATE PARK
449 PM EDT MON JUL 30 2012

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

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT. 

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO GRAND HAVEN. BEACHES WITH
  PARTICULARLY DANGEROUS CONDITIONS TUESDAY INCLUDE...

  NORTH BEACH IN SOUTH HAVEN AND HOLLAND STATE PARK.

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL BECOME NORTHWEST EARLY
  TUESDAY MORNING...AND THEN INCREASE BY TUESDAY AFTERNOON TO 15
  TO 25 KNOTS. WAVES ARE EXPECTED TO BUILD TO 3 TO 5 FEET WITH
  SOME LOCALLY HIGHER WAVES POSSIBLE TOWARD ST. JOSEPH. CONDITIONS
  WILL BECOME HAZARDOUS TUESDAY AFTERNOON WITH LONGSHORE CURRENTS
  BECOMING STRONGER AND STRUCTURAL CURRENTS DEVELOPING ON THE
  NORTH SIDES OF STRUCTURES. RIP CURRENTS WILL ALSO BECOME POSSIBLE.

  THE HAZARDOUS CONDITIONS WILL CONTINUE THROUGH TUESDAY NIGHT.
  CONDITIONS WILL THEN IMPROVE TOWARD DAYBREAK WEDNESDAY MORNING
  AS WINDS AND WAVES DIMINISH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS. 

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

&&

$$

NJJ

WEATHER.GOV/GRR
4 follow-up statements
402 
WHUS43 KGRR 310728
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
328 AM EDT TUE JUL 31 2012

MIZ037-043-050-311530-
/O.CON.KGRR.BH.S.0007.120731T1600Z-120801T0900Z/
MASON-OCEANA-MUSKEGON-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK
328 AM EDT TUE JUL 31 2012

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM GRAND HAVEN TO MANISTEE. BEACHES WITH 
  PARTICULARLY DANGEROUS CONDITIONS TUESDAY INCLUDE... 

 MUSKEGON STATE PARK... MEARS STATE PARK IN PENTWATER... STERNS 
PARK IN LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL BECOME NORTHWEST THIS
  MORNING... AND THEN INCREASE BY THIS AFTERNOON TO 15 TO 25
  KNOTS. WAVES ARE EXPECTED TO BUILD TO AROUND 3 TO 4 FEET WITH
  SOME LOCALLY HIGHER WAVES POSSIBLE. CONDITIONS WILL BECOME
  HAZARDOUS THIS AFTERNOON WITH LONGSHORE CURRENTS BECOMING
  STRONGER AND STRUCTURAL CURRENTS DEVELOPING ON THE NORTH SIDES
  OF STRUCTURES. RIP CURRENTS WILL ALSO BECOME POSSIBLE.

 THE HAZARDOUS CONDITIONS WILL CONTINUE THROUGH TONIGHT.  
CONDITIONS WILL THEN IMPROVE TOWARD DAYBREAK WEDNESDAY MORNING  
AS WINDS AND WAVES DIMINISH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

&&

$$

MIZ056-064-071-311530-
/O.CON.KGRR.BH.S.0007.120731T1600Z-120801T0900Z/
OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...GRAND HAVEN STATE PARK...KIRK PARK...
TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...WEST SIDE PARK...
SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...NORTH BEACH...
SOUTH BEACH...VAN BUREN STATE PARK
328 AM EDT TUE JUL 31 2012

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO GRAND HAVEN. BEACHES 
  WITH PARTICULARLY DANGEROUS CONDITIONS TUESDAY INCLUDE... 

 NORTH BEACH IN SOUTH HAVEN AND HOLLAND STATE PARK.

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL BECOME NORTHWEST THIS
  MORNING... AND THEN INCREASE BY THIS AFTERNOON TO 15 TO 25
  KNOTS. WAVES ARE EXPECTED TO BUILD TO 3 TO 5 FEET WITH SOME
  LOCALLY HIGHER WAVES POSSIBLE TOWARD ST. JOSEPH. CONDITIONS WILL
  BECOME HAZARDOUS THIS AFTERNOON WITH LONGSHORE CURRENTS
  BECOMING STRONGER AND STRUCTURAL CURRENTS DEVELOPING ON THE
  NORTH SIDES OF STRUCTURES. RIP CURRENTS WILL ALSO BECOME
  POSSIBLE.

 THE HAZARDOUS CONDITIONS WILL CONTINUE THROUGH TUESDAY NIGHT.  
CONDITIONS WILL THEN IMPROVE TOWARD DAYBREAK WEDNESDAY MORNING  
AS WINDS AND WAVES DIMINISH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

&&

$$


WEATHER.GOV/GRR
681 
WHUS43 KGRR 311521
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1121 AM EDT TUE JUL 31 2012

MIZ037-043-050-056-064-071-312330-
/O.CON.KGRR.BH.S.0007.120731T1600Z-120801T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK...GRAND HAVEN STATE PARK...
KIRK PARK...TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...
WEST SIDE PARK...SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...
NORTH BEACH...SOUTH BEACH...VAN BUREN STATE PARK
1121 AM EDT TUE JUL 31 2012

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM ST JOSEPH TO MANISTEE. BEACHES WITH
  PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE... NORTH BEACH
  IN SOUTH HAVEN...HOLLAND STATE PARK...MUSKEGON STATE PARK...
  MEARS STATE PARK IN PENTWATER.

* OVERVIEW/POTENTIAL IMPACTS...NORTH TO NORTHWEST WINDS OF 15 TO
  25 KNOTS THIS AFTERNOON AND EVENING WILL RESULT IN WAVES TO 3 TO
  5 FEET. THE HIGHEST WAVES ARE EXPECTED TO BE SOUTH OF MUSKEGON.
  HAZARDOUS SWIMMING CONDITIONS WILL EXIST DUE TO STRONG LONGSHORE
  CURRENTS...AS WELL AS STRUCTURAL CURRENTS ON THE NORTH SIDES OF
  PIER STRUCTURES. RIP CURRENTS WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

&&

$$

WEATHER.GOV/GRR

MEADE
809 
WHUS43 KGRR 311959
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
359 PM EDT TUE JUL 31 2012

MIZ037-043-050-056-064-071-010400-
/O.CON.KGRR.BH.S.0007.000000T0000Z-120801T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK...GRAND HAVEN STATE PARK...
KIRK PARK...TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...
WEST SIDE PARK...SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...
NORTH BEACH...SOUTH BEACH...VAN BUREN STATE PARK
359 PM EDT TUE JUL 31 2012

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

* HIGH WAVE ACTION AND DANGEROUS SWIMMING CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS...EXPECTED.

* STRONG LONGSHORE CURRENTS...EXPECTED.

* RIP CURRENTS...POSSIBLE.

* LOCATION...BEACHES FROM ST JOSEPH TO MANISTEE. BEACHES WITH 
  PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE... NORTH BEACH 
  IN SOUTH HAVEN...HOLLAND STATE PARK...MUSKEGON STATE PARK... 
  MEARS STATE PARK IN PENTWATER. 

* OVERVIEW/POTENTIAL IMPACTS...NORTH TO NORTHWEST WINDS OF 15 TO 
  25 KNOTS THIS AFTERNOON AND EVENING WILL RESULT IN WAVES TO 3 
  TO 5 FEET. THE HIGHEST WAVES ARE EXPECTED TO BE SOUTH OF 
  MUSKEGON. HAZARDOUS SWIMMING CONDITIONS WILL EXIST DUE TO 
  STRONG LONGSHORE CURRENTS...AS WELL AS STRUCTURAL CURRENTS ON 
  THE NORTH SIDES OF PIER STRUCTURES. RIP CURRENTS WILL ALSO BE 
  POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE SURE OF YOUR SWIMMING ABILITY. CHILDREN SHOULD NOT ENTER THE
WATER UNSUPERVISED AND WITHOUT A CERTIFIED FLOTATION DEVICE.
CAUTION SHOULD BE USED WHEN IN OR NEAR THE WATER. PAY ATTENTION
TO FLAGS AND SIGNS POSTED NEAR BEACH ACCESS POINTS AND LIFEGUARD
STATIONS.

HIGH WAVE ACTION ALONE CAN MAKE SWIMMING DIFFICULT ON DAYS SUCH
AS THIS. INCOMING WAVES IN RAPID SUCCESSION CAN TIRE A SWIMMER
QUICKLY.

STRUCTURAL CURRENTS FORM ALONG PIERS WHERE LONGSHORE CURRENTS AND
WAVE ACTION FLOW INTO THE STRUCTURE. STRUCTURAL CURRENTS CAN
SWEEP YOU OUT LAKEWARD ALONG THE PIER STRUCTURE.

A LONGSHORE CURRENT IS A LAKE CURRENT THAT MOVES PARALLEL TO
SHORE. LONGSHORE CURRENTS CAN BE STRONG ENOUGH TO PREVENT
SWIMMERS FROM BEING ABLE TO KEEP THEIR FEET ON THE BOTTOM...
MAKING IT DIFFICULT TO RETURN TO SHORE.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN
SANDBARS. RIP CURRENTS CAN SWEEP YOU OUT LAKEWARD.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS

&&

$$


WEATHER.GOV/GRR

MEADE
150 
WHUS43 KGRR 010134
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
934 PM EDT TUE JUL 31 2012

MIZ037-043-050-056-064-071-010245-
/O.CAN.KGRR.BH.S.0007.000000T0000Z-120801T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
INCLUDING THE BEACHES OF...LAKE MICHIGAN RECREATION AREA...
LUDINGTON STATE PARK...STEARNS PARK...CHARLES MEARS STATE PARK...
SILVER LAKE STATE PARK...BENONA TOWNSHIP PARK...
CLAYBANKS TOWNSHIP PARK...MUSKEGON STATE PARK...
PJ HOFFMASTER STATE PARK...DUCK LAKE STATE PARK...
PERE MARQUETTE PARK...MEINERT PARK...GRAND HAVEN STATE PARK...
KIRK PARK...TUNNEL PARK...HOLLAND STATE PARK...OVAL BEACH...
WEST SIDE PARK...SAUGATUCK DUNES STATE PARK...DOUGLAS BEACH...
NORTH BEACH...SOUTH BEACH...VAN BUREN STATE PARK
934 PM EDT TUE JUL 31 2012

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
BEACH HAZARDS STATEMENT. 

WAVES HAVE SUBSIDED BELOW STATEMENT CRITERIA. 

$$


WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 4:10 PM EDTSmall Craft AdvisoryGRR29 hr

Nearby

Beach Hazards Statements in Michigan, 2012Every beach hazards statement in 2012

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.