Alert archive / Michigan / Beach Hazards Statements in 2015

Beach Hazards Statement 21, NWS Grand Rapids, MI

September 10, 20156 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Sep 10, 2015, 3:52 PM EDT for 6 counties in Michigan. It took effect at Sep 11, 2015, 12:00 AM EDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Sep 10, 2015, 3:52 PM EDT (19:52 UTC)
In effect from
Sep 11, 2015, 12:00 AM EDT
Expired
Sep 13, 2015, 12:00 AM EDT
In force
48 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 19:52 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, 7.9 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 2015-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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 2015-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.1939587897Sfc1 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
23 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
754 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

334 
WHUS43 KGRR 101952
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
352 PM EDT THU SEP 10 2015

MIZ037-043-050-056-064-071-110400-
/O.NEW.KGRR.BH.S.0021.150911T0400Z-150913T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
352 PM EDT THU SEP 10 2015

...BEACH HAZARDS STATEMENT IN EFFECT FROM MIDNIGHT EDT TONIGHT
THROUGH SATURDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH SATURDAY EVENING. 

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO MANISTEE.

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS TODAY INCLUDE... 

  FOR NORTH FLOW USE: 

  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 WILL INCREASE TONIGHT
  AND PERSIST THROUGH SATURDAY. SUSTAINED WINDS OF 15 TO 25 MPH
  ARE EXPECTED...WITH WAVES OF 3 TO 6 FEET.

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.

&&

$$

MWS

WEATHER.GOV/GRR
9 follow-up statements
289 
WHUS43 KGRR 102300
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
700 PM EDT THU SEP 10 2015

MIZ037-043-050-056-064-071-110700-
/O.CON.KGRR.BH.S.0021.150911T0400Z-150913T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
700 PM EDT THU SEP 10 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM MIDNIGHT EDT
TONIGHT THROUGH SATURDAY EVENING...

* 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 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 WILL INCREASE TONIGHT 
  AND PERSIST THROUGH SATURDAY. SUSTAINED WINDS OF 15 TO 25 MPH 
  ARE EXPECTED...WITH WAVES OF 3 TO 6 FEET. 

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.

&&

$$


WEATHER.GOV/GRR
689 
WHUS43 KGRR 110800
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
400 AM EDT FRI SEP 11 2015

MIZ037-043-050-056-064-071-111600-
/O.CON.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
400 AM EDT FRI SEP 11 2015

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

* 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 INCLUDE...

  NORTH BEACH IN SOUTH HAVEN...   
  HOLLAND STATE PARK...  
  MUSKEGON STATE PARK...   
  MEARS STATE PARK IN PENTWATER...  
  STEARNS PARK IN LUDINGTON...

* OVERVIEW/POTENTIAL IMPACTS...COOL NORTH WINDS OF 15 TO 25 MPH
  WILL PERSIST MUCH OF TODAY LASTING INTO SATURDAY. WAVES OF 3 TO
  6 FEET WILL BE COMMON ESPECIALLY FROM THIS AFTERNOON THROUGH THE
  DAY ON SATURDAY. BEACH WEATHER WILL NOT BE IDEAL WILL COOL
  TEMPERATURES AND SCATTERED SHOWERS. PERSONS THAT DO ENTER THE
  WATER THOUGH WILL FIND DANGEROUS CONDITIONS. WINDS AND WAVES
  WILL DIMINISH SATURDAY NIGHT.

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.

&&

$$

WEATHER.GOV/GRR

DUKE
671 
WHUS43 KGRR 111425
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1025 AM EDT FRI SEP 11 2015

MIZ037-043-050-056-064-071-112230-
/O.CON.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1025 AM EDT FRI SEP 11 2015

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

* 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 INCLUDE...

 NORTH BEACH IN SOUTH HAVEN...   HOLLAND STATE PARK...  
MUSKEGON STATE PARK...   MEARS STATE PARK IN PENTWATER...  
STEARNS PARK IN LUDINGTON...

* OVERVIEW/POTENTIAL IMPACTS...COOL NORTH WINDS OF 15 TO 25 MPH 
  WILL PERSIST MUCH OF TODAY LASTING INTO SATURDAY. WAVES OF 3 
  TO 6 FEET WILL BE COMMON ESPECIALLY FROM THIS AFTERNOON 
  THROUGH THE DAY ON SATURDAY. BEACH WEATHER WILL NOT BE IDEAL 
  WILL COOL TEMPERATURES AND SCATTERED SHOWERS. PERSONS THAT DO 
  ENTER THE WATER THOUGH WILL FIND DANGEROUS CONDITIONS. WINDS 
  AND WAVES WILL DIMINISH SATURDAY NIGHT. 

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.

&&

$$


WEATHER.GOV/GRR
144 
WHUS43 KGRR 111859
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
259 PM EDT FRI SEP 11 2015

MIZ037-043-050-056-064-071-120300-
/O.CON.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
259 PM EDT FRI SEP 11 2015

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

* 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 INCLUDE...

NORTH BEACH IN SOUTH HAVEN... MEARS STATE PARK IN PENTWATER...
STEARNS PARK IN LUDINGTON...

* OVERVIEW/POTENTIAL IMPACTS...THE HIGHEST WAVE ACTION WILL BE
  FOUND NEAR BIG AND LITTLE SABLE POINTS THROUGH THE EVENING AND
  ALSO INCLUDING SOUTH HAVEN TONIGHT. WAVES WILL BE LESS FROM
  SAUGATUCK TO WHITEHALL AND PORTIONS OF THE BEACH HAZARDS
  STATEMENT MAY BE CANCELLED EARLY FOR THESE AREAS DEPENDING ON
  TRENDS. 

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.

&&

$$


WEATHER.GOV/GRR
857 
WHUS43 KGRR 120135
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
935 PM EDT FRI SEP 11 2015

MIZ037-043-050-056-064-071-120945-
/O.CON.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
935 PM EDT FRI SEP 11 2015

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

* 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 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 OF 15 TO 25 MPH WILL
  CREATE WAVES OF GENERALLY 3 TO 5 FEET THROUGH SATURDAY EVENING.
  HOWEVER LOCALLY HIGHER WAVES OF 5 TO 8 FEET ARE POSSIBLE AT
  TIMES SOUTH OF HOLLAND. MEANWHILE A PERIOD OF LIGHTER WINDS AND
  AND WAVES OF 1 TO 3 FEET IS EXPECTED LATE TONIGHT AND SATURDAY
  MORNING ALONG THE COAST BETWEEN GRAND HAVEN AND WHITEHALL.

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.

&&

$$


WEATHER.GOV/GRR
586 
WHUS43 KGRR 120744
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
344 AM EDT SAT SEP 12 2015

MIZ037-043-050-056-064-071-121545-
/O.CON.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
344 AM EDT SAT SEP 12 2015

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

* 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 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 OF 15 TO 25 MPH WILL
  CREATE WAVES OF GENERALLY 3 TO 5 FEET THROUGH THIS EVENING.
  HOWEVER...LOCALLY HIGHER WAVES OF 4 TO 7 FEET ARE POSSIBLE AT
  TIMES SOUTH OF HOLLAND. THE WIND WILL BE A BIT OFFSHORE THIS
  MORNING LEADING TO SLIGHTLY CALMER CONDITIONS FOR A TIME. THE
  WIND WILL TURN MORE NORTHERLY AND BRING THE WAVES BACK INTO THE
  BEACHES THIS AFTERNOON.

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.

&&

$$


WEATHER.GOV/GRR
064 
WHUS43 KGRR 121436
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1036 AM EDT SAT SEP 12 2015

MIZ037-043-050-056-064-071-122245-
/O.CON.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1036 AM EDT SAT SEP 12 2015

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

* 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 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 OF 15 TO 25 MPH WILL 
  CREATE WAVES OF GENERALLY 3 TO 5 FEET THROUGH THIS EVENING. 
  HOWEVER...LOCALLY HIGHER WAVES OF 4 TO 7 FEET ARE POSSIBLE AT 
  TIMES SOUTH OF HOLLAND. THE WIND WILL BE A BIT OFFSHORE THIS 
  MORNING LEADING TO SLIGHTLY CALMER CONDITIONS FOR A TIME. THE 
  WIND WILL TURN MORE NORTHERLY AND BRING THE WAVES BACK INTO 
  THE BEACHES THIS AFTERNOON. 

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.

&&

$$


WEATHER.GOV/GRR
731 
WHUS43 KGRR 121855
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
255 PM EDT SAT SEP 12 2015

MIZ043-050-056-064-122000-
/O.CAN.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
OCEANA-MUSKEGON-OTTAWA-ALLEGAN-
255 PM EDT SAT SEP 12 2015

...BEACH HAZARDS STATEMENT IS CANCELLED...

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


$$

MIZ037-071-130300-
/O.CON.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
MASON-VAN BUREN-
255 PM EDT SAT SEP 12 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL MIDNIGHT EDT
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 INCLUDE...

NORTH BEACH IN SOUTH HAVEN... STEARNS PARK IN LUDINGTON...

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS OF 15 TO 25 MPH WILL
  CREATE WAVES OF GENERALLY 3 TO 5 FEET THROUGH TONIGHT. THIS
  WILL CREATE HAZARDOUS SWIMMING CONDITIONS.

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.

&&

$$


WEATHER.GOV/GRR
060 
WHUS43 KGRR 130219
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1019 PM EDT SAT SEP 12 2015

MIZ037-130330-
/O.CAN.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
MASON-
1019 PM EDT SAT SEP 12 2015

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
BEACH HAZARDS STATEMENT. WAVES HAVE SUBSIDED TO 1 TO 3 FEET.

$$

MIZ071-130400-
/O.CON.KGRR.BH.S.0021.000000T0000Z-150913T0400Z/
VAN BUREN-
1019 PM EDT SAT SEP 12 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL MIDNIGHT EDT
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 INCLUDE NORTH
  BEACH IN SOUTH HAVEN.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS OF 10 TO 20 MPH WILL
  CREATE WAVES OF 3 TO 5 FEET. THE WAVES WILL SUBSIDE TO 2 TO 4
  FEET AFTER MIDNIGHT.

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.

&&

$$


WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 3:52 PM EDTSmall Craft AdvisoryGRR56 hr

Nearby

Beach Hazards Statements in Michigan, 2015Every beach hazards statement in 2015

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.