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Muskegon Police Department
Thursday July 16th, 2015 :: 08:40 a.m. EDT
Advisory

Coastal Hazard Message - Late Thursday Through Friday Afternoon 7/17

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
338 AM EDT THU JUL 16 2015
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT FOR DANGEROUS SWIMMING CONDITIONS...WHICH IS IN
EFFECT FROM LATE TONIGHT THROUGH FRIDAY 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 HOLLAND TO MANISTEE.

BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS LATE TONIGHT TODAY
INCLUDE...

GRAND HAVEN STATE PARK...
PERE MARQUETTE PARK IN MUSKEGON

* OVERVIEW/POTENTIAL IMPACTS...SOUTHEAST WINDS OF 15 TO 25 KNOTS
WILL DEVELOP TONIGHT AND BECOME SOUTHWEST BY DAYBREAK FRIDAY.
THIS WILL CAUSE THE WAVES TO BUILD TO 4 FEET OR HIGHER RESULTING
IN HAZARDOUS SWIM CONDITIONS ESPECIALLY FRIDAY MORNING. THE
WAVES WILL DECREASE FRIDAY AFTERNOON.

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.

Address/Location
Muskegon Police Department
980 Jefferson Street
Muskegon, MI 49440

Contact
Emergency: 9-1-1
Non-emergencies: 231-724-6750

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