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

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000
WHUS43 KGRR 241934
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
334 PM EDT SAT JUN 24 2017

MIZ043-050-250345-
/O.EXA.KGRR.BH.S.0006.000000T0000Z-170626T0000Z/
OCEANA-MUSKEGON-
334 PM EDT SAT JUN 24 2017

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT THROUGH SUNDAY EVENING.

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS EXPECTED.

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

* OVERVIEW/POTENTIAL IMPACTS...WESTERLY WINDS WILL INCREASE TO
  AROUND 20 MPH TODAY...WHICH WILL BUILD WAVES INTO THE 3 TO 5
  FOOT RANGE. CONDITIONS WILL REMAIN SIMILAR INTO SUNDAY...WITH
  POSSIBLY A BETTER CHANCE AT REACHING THE 3 TO 5 FOOT WAVE
  RANGE. DANGEROUS SWIMMING CONDITIONS DEVELOP WHEN WAVES REACH
  THIS HEIGHT.

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.

&&

$$

MIZ056-064-071-250345-
/O.CON.KGRR.BH.S.0006.000000T0000Z-170626T0000Z/
OTTAWA-ALLEGAN-VAN BUREN-
334 PM EDT SAT JUN 24 2017

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

* 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 GRAND HAVEN.

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS INCLUDE...

 NORTH BEACH IN SOUTH HAVEN...HOLLAND STATE PARK...GRAND HAVEN
STATE PARK

* OVERVIEW/POTENTIAL IMPACTS...WESTERLY WINDS WILL INCREASE TO
  AROUND 20 MPH TODAY...WHICH WILL BUILD WAVES INTO THE 3 TO 5
  FOOT RANGE. CONDITIONS WILL REMAIN SIMILAR INTO SUNDAY...WITH
  POSSIBLY A BETTER CHANCE AT REACHING THE 3 TO 5 FOOT WAVE
  RANGE. DANGEROUS SWIMMING CONDITIONS DEVELOP WHEN WAVES REACH
  THIS HEIGHT.

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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