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

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000
WHUS43 KGRR 180239
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1039 PM EDT THU AUG 17 2017

MIZ037-043-050-056-181045-
/O.CON.KGRR.BH.S.0014.000000T0000Z-170819T0100Z/
MASON-OCEANA-MUSKEGON-OTTAWA-
1039 PM EDT THU AUG 17 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
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 HOLLAND TO MANISTEE.

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS ON FRIDAY INCLUDE
  STEARNS PARK IN LUDINGTON...MEARS STATE PARK IN PENTWATER AND
  MUSKEGON STATE PARK.

* OVERVIEW/POTENTIAL IMPACTS... WEST WINDS OF 15 T0 25 KNOTS WILL
  BECOMING NORTHWEST LATE TONIGHT AND CONTINUE INTO FRIDAY. WAVES
  OF 5 TO 7 FEET ARE EXPECTED BOTH TONIGHT AND ON FRIDAY. NORTH
  SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM ON FRIDAY.

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.

&&

$$

MIZ064-071-181045-
/O.CON.KGRR.BH.S.0014.000000T0000Z-170819T0100Z/
ALLEGAN-VAN BUREN-
1039 PM EDT THU AUG 17 2017

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

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

* STRONG STRUCTURAL CURRENTS POSSIBLE.

* STRONG LONGSHORE CURRENTS POSSIBLE.

* RIP CURRENTS EXPECTED.

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

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS ON FRIDAY INCLUDE
  HOLLAND STATE PARK AND NORTH BEACH IN SOUTH HAVEN.

* OVERVIEW/POTENTIAL IMPACTS...WEST WINDS OF 15 T0 25 KNOTS WILL
  BECOMING NORTHWEST LATE TONIGHT AND CONTINUE INTO FRIDAY. WAVES
  OF 5 TO 7 FEET ARE EXPECTED BOTH TONIGHT AND ON FRIDAY. NORTH
  SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM ON FRIDAY.

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



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