Coastal Flood Warnings/Watches/Statements
Issued by NWS Grand Rapids, MI

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000
WHUS43 KGRR 251541
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1141 AM EDT MON MAY 25 2015

MIZ037-043-050-252345-
/O.CON.KGRR.BH.S.0001.000000T0000Z-150526T1200Z/
MASON-OCEANA-MUSKEGON-
1141 AM EDT MON MAY 25 2015

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

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

* STRONG STRUCTURAL CURRENTS EXPECTED ALONG SOUTH FACING PIERS.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM GRAND HAVEN TO MANISTEE.

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS MEMORIAL DAY
  INCLUDE...

  PERE MARQUETTE PARK IN MUSKEGON.

* OVERVIEW/POTENTIAL IMPACTS...SOUTH WINDS 20 TO 30 MPH CAUSING
  WAVES OF 4 TO 6 FEET. THIS WILL MAKE FOR HAZARDOUS SWIMMING
  CONDITIONS. COLD WATER WILL BE A SWIM RISK AS WELL TODAY DUE TO
  HYPOTHERMIA CONCERNS.

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.

&&

$$

MIZ056-064-071-252345-
/O.CON.KGRR.BH.S.0001.000000T0000Z-150526T0500Z/
OTTAWA-ALLEGAN-VAN BUREN-
1141 AM EDT MON MAY 25 2015

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

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

* STRONG STRUCTURAL CURRENTS EXPECTED ON SOUTH FACING PIERS.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* LOCATION...BEACHES FROM ST. JOSEPH TO GRAND HAVEN.

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS MEMORIAL DAY
  INCLUDE...

  GRAND HAVEN STATE PARK.
  SOUTH BEACH IN SOUTH HAVEN.

* OVERVIEW/POTENTIAL IMPACTS...SOUTH WINDS 20 TO 30 MPH CAUSING
  WAVES OF 3 TO 5 FEET. THIS WILL MAKE FOR HAZARDOUS SWIMMING
  CONDITIONS. COLD WATER WILL BE A SWIM RISK AS WELL TODAY DUE TO
  HYPOTHERMIA CONCERNS.

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
JK


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