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

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959
WHUS43 KGRR 261425
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1025 AM EDT MON JUN 26 2017

MIZ037-043-050-056-064-071-262230-
/O.CON.KGRR.BH.S.0006.000000T0000Z-170627T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1025 AM EDT MON JUN 26 2017

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

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

* STRONG STRUCTURAL CURRENTS, STRONG LONGSHORE CURRENTS, AND RIP
  CURRENTS EXPECTED.

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

* OVERVIEW/POTENTIAL IMPACTS...WEST TO NORTHWEST WINDS OF 20 TO
  30 MPH WILL GENERATE WAVES OF 4 TO 8 FEET TODAY, MAKING IT
  VERY DANGEROUS TO SWIM IN LAKE MICHIGAN.

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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