Alert archive / Michigan / Beach Hazards Statements in 2017

Beach Hazards Statement 15, NWS Grand Rapids, MI

August 21, 20176 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Aug 21, 2017, 3:10 PM EDT for 6 counties in Michigan. It took effect at Aug 22, 2017, 6:00 AM EDT. It was in force for 39 hr.

The area

The counties it named.

The facts

Issued
Aug 21, 2017, 3:10 PM EDT (19:10 UTC)
In effect from
Aug 22, 2017, 6:00 AM EDT
Expired
Aug 23, 2017, 9:07 PM EDT
In force
39 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Mason County, MI, Muskegon County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 60 km from the middle of the area, began a volume at 19:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.2 hours before the alert went out and 214 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2017-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 969 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2017-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
969 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
925 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

688 
WHUS43 KGRR 211910
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
310 PM EDT MON AUG 21 2017

MIZ037-043-050-056-064-071-220315-
/O.NEW.KGRR.BH.S.0015.170822T1000Z-170823T0100Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
310 PM EDT MON AUG 21 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT FROM TUESDAY MORNING
THROUGH TUESDAY 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 MANISTEE.


* 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. 

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL VEER TO THE WEST TO
  NORTHWEST AND INCREASE TO 15 TO 25 MPH TUESDAY. WAVES WILL BUILD
  TO 3 TO 5 FEET BY DAYBREAK TUESDAY AND TO 5 TO 7 FEET FOR THE
  REST OF THE DAY. NORTH SIDES OF NORTH PIERS WILL BE DANGEROUS
  PLACES TO SWIM. 
 

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
11 follow-up statements
773 
WHUS43 KGRR 220243
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1043 PM EDT MON AUG 21 2017

MIZ037-043-050-056-064-071-221045-
/O.CON.KGRR.BH.S.0015.170822T1000Z-170823T0100Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1043 PM EDT MON AUG 21 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 AM EDT
TUESDAY THROUGH TUESDAY 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 MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL VEER TO THE WEST TO 
  NORTHWEST AND INCREASE TO 15 TO 25 MPH TUESDAY. WAVES WILL 
  BUILD TO 3 TO 5 FEET BY DAYBREAK TUESDAY AND TO 5 TO 7 FEET 
  FOR THE REST OF THE DAY. NORTH SIDES OF NORTH PIERS WILL BE 
  DANGEROUS PLACES TO SWIM. 

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
361 
WHUS43 KGRR 220745
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
345 AM EDT TUE AUG 22 2017

MIZ037-043-050-056-064-071-221545-
/O.EXT.KGRR.BH.S.0015.170822T1000Z-170823T2200Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
345 AM EDT TUE AUG 22 2017

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH WEDNESDAY
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 ST. JOSEPH TO MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL VEER TO THE WEST TO
  NORTHWEST AND INCREASE TO 15 TO 25 MPH TODAY. WAVES WILL BUILD
  TO 5 TO 7 FEET TODAY AND WILL CONTINUE INTO WEDNESDAY. NORTH 
  SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM. 

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
976 
WHUS43 KGRR 221349
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
949 AM EDT TUE AUG 22 2017

MIZ037-043-050-056-064-071-222200-
/O.CON.KGRR.BH.S.0015.000000T0000Z-170823T2200Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
949 AM EDT TUE AUG 22 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
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 ST. JOSEPH TO MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...WINDS WILL VEER TO THE WEST TO 
  NORTHWEST AND INCREASE TO 15 TO 25 MPH TODAY. WAVES WILL BUILD 
  TO 5 TO 7 FEET TODAY AND WILL CONTINUE INTO WEDNESDAY. NORTH 
  SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM. 

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.

&&

$$

WDM

WEATHER.GOV/GRR
315 
WHUS43 KGRR 221944
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
344 PM EDT TUE AUG 22 2017

MIZ037-043-050-056-064-071-230345-
/O.CON.KGRR.BH.S.0015.000000T0000Z-170823T2200Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
344 PM EDT TUE AUG 22 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
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 ST. JOSEPH TO MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  WILL CONTINUE TONIGHT DECEASE TO 10 TO 20 KNOTS ON WEDNESDAY.
  WAVES OF 5 TO 8 FEET WILL CONTINUE INTO WEDNESDAY. NORTH SIDES 
  OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM. 

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.

&&

$$

WDM

WEATHER.GOV/GRR
250 
WHUS43 KGRR 222118
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
518 PM EDT TUE AUG 22 2017

MIZ037-043-050-056-064-071-230530-
/O.CON.KGRR.BH.S.0015.000000T0000Z-170823T2200Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
518 PM EDT TUE AUG 22 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
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 ST. JOSEPH TO MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  WILL CONTINUE TONIGHT THEN DECREASE TO 10 TO 20 MPH ON 
  WEDNESDAY. WAVES OF 5 TO 8 FEET WILL CONTINUE INTO WEDNESDAY. 
  NORTH SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM. 

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
807 
WHUS43 KGRR 230141
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
941 PM EDT TUE AUG 22 2017

MIZ037-043-050-056-064-071-230945-
/O.CON.KGRR.BH.S.0015.000000T0000Z-170823T2200Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
941 PM EDT TUE AUG 22 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
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 ST. JOSEPH TO MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  WILL CONTINUE TONIGHT THEN DECREASE TO 10 TO 20 MPH ON
  WEDNESDAY. WAVES OF 3 TO 6 FEET WILL CONTINUE INTO WEDNESDAY. 
  NORTH SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM. 

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
714 
WHUS43 KGRR 230726
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
326 AM EDT WED AUG 23 2017

MIZ037-043-050-056-064-071-231530-
/O.CON.KGRR.BH.S.0015.000000T0000Z-170823T2200Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
326 AM EDT WED AUG 23 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH 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 ST. JOSEPH TO MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  WILL CONTINUE THIS MORNING ALONG WITH WAVES OF 3 TO 6. NORTH 
  SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM. 

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
193 
WHUS43 KGRR 231431
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1031 AM EDT WED AUG 23 2017

MIZ064-071-232245-
/O.EXT.KGRR.BH.S.0015.000000T0000Z-170824T0300Z/
ALLEGAN-VAN BUREN-
1031 AM EDT WED AUG 23 2017

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THIS 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 MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  WILL CONTINUE INTO THIS AFTERNOON BEFORE TURNING TO THE NORTH BY
  LATE THIS AFTERNOON AND SLOWLY DIMINISHING TO 10 TO 20 MPH BY
  MID EVENING. WAVES OF 4 TO 6 TODAY WILL SUBSIDE TO 2 TO 3 FEET 
  AFTER MIDNIGHT. NORTH SIDES OF NORTH PIERS WILL BE DANGEROUS 
  PLACES TO SWIM.
  

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.

&&

$$

MIZ037-043-050-056-232200-
/O.CON.KGRR.BH.S.0015.000000T0000Z-170823T2200Z/
MASON-OCEANA-MUSKEGON-OTTAWA-
1031 AM EDT WED AUG 23 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 6 PM EDT THIS
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 MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  INTO EARLY THIS AFTERNOON WILL TURNING TO THE NORTH BY MID
  AFTERNOON AND SLOWLY DIMINISHING TO 10 TO 20 MPH BY LATE THIS
  AFTERNOON. WAVES OF 3 TO 5 TODAY WILL SUBSIDE TO 2 TO 4 FEET BY
  SUNSET. NORTH SIDES OF NORTH PIERS WILL BE DANGEROUS PLACES TO 
  SWIM.

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
657 
WHUS43 KGRR 231951
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
351 PM EDT WED AUG 23 2017

MIZ037-043-050-056-232200-
/O.CON.KGRR.BH.S.0015.000000T0000Z-170823T2200Z/
MASON-OCEANA-MUSKEGON-OTTAWA-
351 PM EDT WED AUG 23 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 6 PM EDT THIS
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 MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS OF 10 TO 20 MPH EARLY 
  THIS EVENING DIMINISHING TO 5 TO 15 MPH BY LATE THIS EVENING. 
  WAVES OF 3 TO 5 SUBSIDING TO 2 TO 4 FEET BY SUNSET. NORTH SIDES 
  OF NORTH PIERS WILL BE DANGEROUS PLACES TO SWIM. 

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.

&&

$$

MIZ064-071-240300-
/O.CON.KGRR.BH.S.0015.000000T0000Z-170824T0300Z/
ALLEGAN-VAN BUREN-
351 PM EDT WED AUG 23 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM EDT THIS
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 MANISTEE.

* 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.

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  TURNING TO THE NORTH BY EARLY THIS EVENING AND SLOWLY
  DIMINISHING TO 10 TO 20 MPH BY LATE EVENING. WAVES OF 4 TO 6  
  WILL SUBSIDE TO 2 TO 3 FEET AFTER MIDNIGHT. NORTH SIDES OF NORTH
  PIERS WILL BE DANGEROUS PLACES TO SWIM. 

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
955 
WHUS43 KGRR 232206
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
606 PM EDT WED AUG 23 2017

MIZ037-043-050-056-232315-
/O.EXP.KGRR.BH.S.0015.000000T0000Z-170823T2200Z/
MASON-OCEANA-MUSKEGON-OTTAWA-
606 PM EDT WED AUG 23 2017

...BEACH HAZARDS STATEMENT HAS EXPIRED...

WAVES HAVE SUBSIDED TO 2 TO 3 FEET NORTH OF HOLLAND AND THE SWIM 
RISK IS NO LONGER HIGH. 

$$

MIZ064-071-240300-
/O.CON.KGRR.BH.S.0015.000000T0000Z-170824T0300Z/
ALLEGAN-VAN BUREN-
606 PM EDT WED AUG 23 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 PM EDT THIS
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 HOLLAND.

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

* OVERVIEW/POTENTIAL IMPACTS...NORTHWEST WINDS OF 15 TO 25 MPH
  TURNING TO THE NORTH AND DIMINISHING TO 10 TO 20 MPH BY LATE
  EVENING. WAVES OF 4 TO 6 WILL SUBSIDE TO 2 TO 3 FEET BY LATER
  THIS EVENING. UNTIL THEN NORTH SIDES OF NORTH PIERS WILL BE 
  DANGEROUS PLACES TO SWIM. 

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
312 
WHUS43 KGRR 240107
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
907 PM EDT WED AUG 23 2017

MIZ064-071-240215-
/O.CAN.KGRR.BH.S.0015.000000T0000Z-170824T0300Z/
ALLEGAN-VAN BUREN-
907 PM EDT WED AUG 23 2017

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
BEACH HAZARDS STATEMENT. 

WAVES HAVE SUBSIDED TO 2 TO 3 FEET AND THE SWIM RISK IS NO LONGER
HIGH. 

$$


WEATHER.GOV/GRR

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 21, 2:24 PM EDTSpecial Weather StatementGRRJackson51 min
Aug 21, 3:02 PM EDTSmall Craft AdvisoryGRR54 hr

Nearby

Beach Hazards Statements in Michigan, 2017Every beach hazards statement in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.