011  
WHUS43 KGRR 131534  
CFWGRR  
 
LAKESHORE HAZARD MESSAGE  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
1134 AM EDT WED JUN 13 2018  
 
MIZ037-043-050-056-064-132000-  
/O.NEW.KGRR.BH.S.0004.180613T1534Z-180613T2000Z/  
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-  
1134 AM EDT WED JUN 13 2018  
 
...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 4 PM EDT THIS  
AFTERNOON...  
 
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH  
HAZARDS STATEMENT...WHICH IS IN EFFECT UNTIL 4 PM EDT THIS  
AFTERNOON.  
 
* HIGH WAVE ACTION... STRONG CURRENTS AND DANGEROUS SWIMMING  
CONDITIONS EXPECTED.  
 
* STRONG STRUCTURAL CURRENTS EXPECTED.  
 
* STRONG LONGSHORE CURRENTS EXPECTED.  
 
* RIP CURRENTS EXPECTED.  
 
* LOCATION...BEACHES FROM MANISTEE TO SOUTH HAVEN.  
 
* 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.  
SOUTH BEACH IN SOUTH HAVEN...  
GRAND HAVEN STATE PARK...  
PERE MARQUETTE PARK IN MUSKEGON.  
 
* OVERVIEW/POTENTIAL IMPACTS... WINDS FROM THE WEST TO NORTHWEST  
WILL INCREASE TO 20 TO 30 MPH AND DECREASE THIS EVENING. WAVES  
WILL INCREASE TO 3 TO 5 FEET CREATING DANGEROUS CURRENTS, AND  
SUBSIDE THIS EVENING.  
 
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  
 
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