Alert archive / Michigan / Beach Hazards Statements in 2014

Beach Hazards Statement 8, NWS Grand Rapids, MI

August 11, 20146 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Aug 11, 2014, 11:44 AM EDT for 6 counties in Michigan. It took effect at Aug 12, 2014, 2:00 AM EDT. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued
Aug 11, 2014, 11:44 AM EDT (15:44 UTC)
In effect from
Aug 12, 2014, 2:00 AM EDT
Expired
Aug 13, 2014, 3:24 AM EDT
In force
25 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 15:47 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, 3.7 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 2014-08-11Temperature 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 2014-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
1354 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
-3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

994 
WHUS43 KGRR 111544
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1144 AM EDT MON AUG 11 2014

MIZ037-043-050-056-064-071-112345-
/O.NEW.KGRR.BH.S.0008.140812T0600Z-140813T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1144 AM EDT MON AUG 11 2014

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

* HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS EXPECTED.

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED. 

* RIP CURRENTS EXPECTED. 

* 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... STEARNS PARK IN
LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS INCREASING TO 30 KNOTS
  BY MID MORNING TUESDAY WILL BUILD WAVES TO AS HIGH AS 9 FEET FOR
  THE SOUTHERN BEACHES. THIS WILL RESULT IN VERY HAZARDOUS SWIMMING
  ON THE NORTH SIDES OF PIERS AND BREAK WALLS WILL BE PARTICULARLY
  DANGEROUS. WATER TEMPERATURES WILL LIKELY DROP INTO THE 50S
  RESULTING IN HYPOTHERMIA DANGER TOO.
 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY. 

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

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

&&

$$

WDM

WEATHER.GOV/GRR
7 follow-up statements
751 
WHUS43 KGRR 111912
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
312 PM EDT MON AUG 11 2014

MIZ037-043-050-056-064-071-120315-
/O.CON.KGRR.BH.S.0008.140812T0600Z-140813T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
312 PM EDT MON AUG 11 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 AM EDT
TUESDAY THROUGH LATE TUESDAY NIGHT...

* HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS EXPECTED. 

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS EXPECTED.

* 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... STEARNS PARK IN
LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS INCREASING TO 30 
  KNOTS BY MID MORNING TUESDAY WILL BUILD WAVES TO AS HIGH AS 9 
  FEET FOR THE SOUTHERN BEACHES. THIS WILL RESULT IN VERY 
  HAZARDOUS SWIMMING ON THE NORTH SIDES OF PIERS AND BREAK WALLS 
  WILL BE PARTICULARLY DANGEROUS. WATER TEMPERATURES WILL LIKELY 
  DROP INTO THE 50S RESULTING IN HYPOTHERMIA DANGER TOO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY.

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

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

&&

$$


WDM

WEATHER.GOV/GRR
945 
WHUS43 KGRR 120059
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
859 PM EDT MON AUG 11 2014

MIZ037-043-050-056-064-071-120900-
/O.CON.KGRR.BH.S.0008.140812T0600Z-140813T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
859 PM EDT MON AUG 11 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 AM EDT
TUESDAY THROUGH LATE TUESDAY NIGHT...

* HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS EXPECTED. 

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS EXPECTED.

* 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... STEARNS PARK IN
LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS INCREASING TO 30 KNOTS
  BY MID MORNING TUESDAY WILL BUILD WAVES TO AS HIGH AS 9 FEET FOR
  THE SOUTHERN BEACHES. THIS WILL RESULT IN VERY HAZARDOUS
  SWIMMING ON THE NORTH SIDES OF PIERS AND BREAK WALLS. WATER
  TEMPERATURES WILL LIKELY DROP INTO THE 50S RESULTING IN
  HYPOTHERMIA DANGER TOO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY.

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

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
674 
WHUS43 KGRR 120743
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
342 AM EDT TUE AUG 12 2014

MIZ037-043-050-056-064-071-121545-
/O.CON.KGRR.BH.S.0008.000000T0000Z-140813T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
342 AM EDT TUE AUG 12 2014

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

* HIGH WAVE ACTION... STRONG CURRENTS 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... STEARNS PARK IN
LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS INCREASING TO 15 TO 25
  MPH BY MID MORNING TODAY WILL BUILD WAVES TO AS HIGH AS 8  FEET
  FOR THE SOUTHERN BEACHES. THIS WILL RESULT IN VERY HAZARDOUS
  SWIMMING ON THE NORTH SIDES OF PIERS AND BREAK WALLS. WATER
  TEMPERATURES WILL LIKELY DROP INTO THE 50S RESULTING IN
  HYPOTHERMIA DANGER TOO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY.

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

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
672 
WHUS43 KGRR 121504
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1104 AM EDT TUE AUG 12 2014

MIZ037-043-050-056-064-071-122315-
/O.CON.KGRR.BH.S.0008.000000T0000Z-140813T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1104 AM EDT TUE AUG 12 2014

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

* HIGH WAVE ACTION... STRONG CURRENTS 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... STEARNS PARK IN
LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS 15 TO 25 MPH INTO THIS
  EVENING WILL CONTINUE TO RESULT IN 5 TO 8 FOOT WAVES. THE
  HIGHEST WAVES WILL BE AT THE SOUTHERN MOST BEACHES. THIS WILL
  RESULT IN VERY HAZARDOUS SWIMMING ON THE NORTH SIDES OF PIERS
  AND BREAK WALLS. WATER TEMPERATURES WILL LIKELY DROP INTO THE
  50S RESULTING IN HYPOTHERMIA DANGER TOO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY.

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

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


WDM
481 
WHUS43 KGRR 121943
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
343 PM EDT TUE AUG 12 2014

MIZ037-043-050-056-064-071-130345-
/O.CON.KGRR.BH.S.0008.000000T0000Z-140813T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
343 PM EDT TUE AUG 12 2014

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

* HIGH WAVE ACTION... STRONG CURRENTS 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... STEARNS PARK IN
LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS 15 TO 25 MPH INTO THIS
  EVENING THEN DIMINISH OVERNIGHT. WAVES OF 5 TO 8 FOOT WILL
  CONTINUE THIS EVENING THEN DIMINISH AFTER MIDNIGHT. THE HIGHEST
  WAVES WILL BE AT THE SOUTHERN MOST BEACHES. THIS WILL RESULT IN
  VERY HAZARDOUS SWIMMING ON THE NORTH SIDES OF PIERS AND BREAK
  WALLS. WATER TEMPERATURES WILL LIKELY DROP INTO THE 50S
  RESULTING IN HYPOTHERMIA DANGER TOO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY.

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

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


WDM
050 
WHUS43 KGRR 130111
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
911 PM EDT TUE AUG 12 2014

MIZ037-043-050-056-064-071-130900-
/O.CON.KGRR.BH.S.0008.000000T0000Z-140813T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
911 PM EDT TUE AUG 12 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 5 AM EDT
WEDNESDAY...

* HIGH WAVE ACTION... STRONG CURRENTS 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... STEARNS PARK IN
LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS 15 TO 25 MPH WILL DIMINISH
  OVERNIGHT. WAVES OF 5 TO 8 FOOT WILL CONTINUE THIS EVENING THEN
  DIMINISH AFTER MIDNIGHT. THE HIGHEST WAVES WILL BE AT THE
  SOUTHERN MOST BEACHES. THIS WILL RESULT IN VERY HAZARDOUS
  SWIMMING ON THE NORTH SIDES OF PIERS AND BREAK WALLS. WATER
  TEMPERATURES WILL LIKELY DROP INTO THE 50S RESULTING IN
  HYPOTHERMIA DANGER TOO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HIGH WAVE ACTION MAKES SWIMMING DIFFICULT AND CAN TIRE EVEN A
STRONG SWIMMER QUICKLY.

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

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
389 
WHUS43 KGRR 130724
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
324 AM EDT WED AUG 13 2014

MIZ037-043-050-056-064-071-130830-
/O.CAN.KGRR.BH.S.0008.000000T0000Z-140813T0900Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
324 AM EDT WED AUG 13 2014

...BEACH HAZARDS STATEMENT IS CANCELLED...

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

WIND AND WAVES HAVE DECREASED AND STRONG STRUCTURAL AND RIP
CURRENTS ARE NOT EXPECTED. WATER TEMPERATURES WILL BE VERY COLD
HOWEVER DUE TO UPWELLING THAT OCCURRED IN THE WAKE OF THE STRONG
NORTH WINDS. 

$$


WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 7:23 AM EDTAreal Flood AdvisoryGRRAllegan6 hr
Aug 11, 11:36 AM EDTSmall Craft AdvisoryGRR40 hr

Nearby

Beach Hazards Statements in Michigan, 2014Every beach hazards statement in 2014

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.