Alert archive / Michigan / Beach Hazards Statements in 2016

Beach Hazards Statement 18, NWS Grand Rapids, MI

August 30, 20166 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Aug 30, 2016, 3:46 PM EDT for 6 counties in Michigan. It took effect at Aug 31, 2016, 10:00 AM EDT. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
Aug 30, 2016, 3:46 PM EDT (19:46 UTC)
In effect from
Aug 31, 2016, 10:00 AM EDT
Expired
Sep 2, 2016, 3:50 AM EDT
In force
42 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 19:46 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, 7.8 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 2016-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1156 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 2016-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.19395878Sfc1 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
1156 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
789 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

772 
WHUS43 KGRR 301946
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
346 PM EDT TUE AUG 30 2016

MIZ037-043-050-056-064-071-310400-
/O.NEW.KGRR.BH.S.0018.160831T1400Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
346 PM EDT TUE AUG 30 2016

...BEACH HAZARDS STATEMENT IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT FROM WEDNESDAY MORNING
THROUGH THURSDAY 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 INCREASE ON WEDNESDAY TO
  15 TO 25 KNOTS. THE WINDS MAY START OUT FROM THE
  NORTH/NORTHEAST... BUT ARE EXPECTED TO SWITCH TO BECOME
  NORTH/NORTHWEST. THIS WILL CREATE HAZARDOUS SWIMMING
  CONDITIONS...ESPECIALLY NEAR STRUCTURES. WAVES WILL BUILD TO 3
  TO 5 FEET.

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
10 follow-up statements
782 
WHUS43 KGRR 310232
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1032 PM EDT TUE AUG 30 2016

MIZ037-043-050-056-064-071-311045-
/O.CON.KGRR.BH.S.0018.160831T1400Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1032 PM EDT TUE AUG 30 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 10 AM EDT
WEDNESDAY THROUGH THURSDAY 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 WILL INCREASE ON
  WEDNESDAY TO 15 TO 25 KNOTS. THIS WILL CREATE HAZARDOUS SWIMMING
  CONDITIONS...ESPECIALLY NEAR STRUCTURES. WAVES OF 1 TO 3 FEET
  EARLY IN THE DAY WILL BUILD TO 3 TO 5 FEET.

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
088 
WHUS43 KGRR 310807
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
407 AM EDT WED AUG 31 2016

MIZ037-043-050-056-064-071-311615-
/O.CON.KGRR.BH.S.0018.160831T1400Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
407 AM EDT WED AUG 31 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 10 AM EDT THIS
MORNING THROUGH THURSDAY 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 WILL BE THOSE ON
  THE NORTH SIDE OF PIERS. THIS INCLUDES NORTH BEACH IN SOUTH
  HAVEN... HOLLAND STATE PARK... MUSKEGON STATE PARK... MEARS
  STATE PARK IN PENTWATER...AND STEARNS PARK IN LUDINGTON.

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS WILL INCREASE TODAY TO
  15 TO 25 KNOTS AND CONTINUE THROUGH THURSDAY EVENING. THIS WILL
  CREATE HAZARDOUS SWIMMING CONDITIONS...ESPECIALLY NEAR PIER
  STRUCTURES. WAVES WILL BUILD TO 3 TO 5 FEET TODAY AND CONTINUE
  THROUGH THURSDAY EVENING.

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
459 
WHUS43 KGRR 311424
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1024 AM EDT WED AUG 31 2016

MIZ037-043-050-056-064-071-312230-
/O.CON.KGRR.BH.S.0018.000000T0000Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1024 AM EDT WED AUG 31 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
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 WILL BE THOSE 
  ON THE NORTH SIDE OF PIERS. THIS INCLUDES NORTH BEACH IN SOUTH 
  HAVEN... HOLLAND STATE PARK... MUSKEGON STATE PARK... MEARS 
  STATE PARK IN PENTWATER...AND STEARNS PARK IN LUDINGTON. 

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS WILL INCREASE TODAY TO
  15 TO 25 KNOTS AND CONTINUE THROUGH THURSDAY EVENING. THIS WILL
  CREATE HAZARDOUS SWIMMING CONDITIONS...ESPECIALLY NEAR PIER
  STRUCTURES. WAVES WILL BUILD TO 3 TO 6 FEET TODAY AND CONTINUE
  THROUGH THURSDAY EVENING.

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
954 
WHUS43 KGRR 311917
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
317 PM EDT WED AUG 31 2016

MIZ037-043-050-056-064-071-010330-
/O.CON.KGRR.BH.S.0018.000000T0000Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
317 PM EDT WED AUG 31 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
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 WILL BE THOSE 
  ON THE NORTH SIDE OF PIERS. THIS INCLUDES NORTH BEACH IN SOUTH 
  HAVEN... HOLLAND STATE PARK... MUSKEGON STATE PARK... MEARS 
  STATE PARK IN PENTWATER...AND STEARNS PARK IN LUDINGTON. 

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS 15 TO 25 KNOTS WILL
  CONTINUE THROUGH THURSDAY EVENING. THIS WILL CREATE HAZARDOUS
  SWIMMING CONDITIONS...ESPECIALLY NEAR PIER STRUCTURES. WAVES
  WILL BE 3 TO 6 FEET.

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
872 
WHUS43 KGRR 010132
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
932 PM EDT WED AUG 31 2016

MIZ037-043-050-056-064-071-010945-
/O.CON.KGRR.BH.S.0018.000000T0000Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
932 PM EDT WED AUG 31 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
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 WILL BE THOSE 
  ON THE NORTH SIDE OF PIERS. THIS INCLUDES NORTH BEACH IN SOUTH 
  HAVEN... HOLLAND STATE PARK... MUSKEGON STATE PARK... MEARS 
  STATE PARK IN PENTWATER...AND STEARNS PARK IN LUDINGTON. 

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS 15 TO 25 KNOTS WILL 
  CONTINUE THROUGH THURSDAY EVENING. THIS WILL CREATE HAZARDOUS 
  SWIMMING CONDITIONS...ESPECIALLY NEAR PIER STRUCTURES. WAVES 
  WILL BE 3 TO 6 FEET. 

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
707 
WHUS43 KGRR 010814
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
414 AM EDT THU SEP 1 2016

MIZ037-043-050-056-064-071-011615-
/O.CON.KGRR.BH.S.0018.000000T0000Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
414 AM EDT THU SEP 1 2016

...BEACH HAZARDS STATEMENT REMAINS 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 WILL BE THOSE 
  ON THE NORTH SIDE OF PIERS. THIS INCLUDES NORTH BEACH IN SOUTH 
  HAVEN... HOLLAND STATE PARK... MUSKEGON STATE PARK... MEARS 
  STATE PARK IN PENTWATER...AND STEARNS PARK IN LUDINGTON. 

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS 15 TO 25 MPH WILL
  CONTINUE THROUGH THURSDAY EVENING. THIS WILL CREATE HAZARDOUS
  SWIMMING CONDITIONS...ESPECIALLY NEAR PIER STRUCTURES. WAVES
  WILL BE 3 TO 6 FEET.

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
162 
WHUS43 KGRR 011452
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1052 AM EDT THU SEP 1 2016

MIZ037-043-050-056-064-071-012300-
/O.CON.KGRR.BH.S.0018.000000T0000Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1052 AM EDT THU SEP 1 2016

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

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

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

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS WILL BE THOSE 
  ON THE NORTH SIDE OF PIERS. THIS INCLUDES NORTH BEACH IN SOUTH 
  HAVEN... HOLLAND STATE PARK... MUSKEGON STATE PARK... MEARS 
  STATE PARK IN PENTWATER...AND STEARNS PARK IN LUDINGTON. 

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS 10 TO 20 MPH WILL
  CONTINUE THROUGH THIS EVENING. THIS WILL CREATE HAZARDOUS
  SWIMMING CONDITIONS...ESPECIALLY NEAR PIER STRUCTURES. WAVES
  WILL BE 3 TO 6 FEET.

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.

&&

$$


WEATHER.GOV/GRR
520 
WHUS43 KGRR 011905
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
305 PM EDT THU SEP 1 2016

MIZ037-043-050-056-064-071-020300-
/O.CON.KGRR.BH.S.0018.000000T0000Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
305 PM EDT THU SEP 1 2016

...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.

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

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS WILL BE THOSE 
  ON THE NORTH SIDE OF PIERS. THIS INCLUDES NORTH BEACH IN SOUTH 
  HAVEN... HOLLAND STATE PARK... MUSKEGON STATE PARK... MEARS 
  STATE PARK IN PENTWATER...AND STEARNS PARK IN LUDINGTON. 

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS 15 TO 25 MPH ARE
  EXPECTED THIS EVENING. THIS WILL CREATE HAZARDOUS SWIMMING
  CONDITIONS...ESPECIALLY NEAR PIER STRUCTURES. WAVES WILL BE 3 TO
  6 FEET.

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.

&&

$$


WEATHER.GOV/GRR
622 
WHUS43 KGRR 020206
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1006 PM EDT THU SEP 1 2016

MIZ037-043-050-056-020315-
/O.CAN.KGRR.BH.S.0018.000000T0000Z-160902T0300Z/
MASON-OCEANA-MUSKEGON-OTTAWA-
1006 PM EDT THU SEP 1 2016

...BEACH HAZARDS STATEMENT IS CANCELLED...

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

WAVE HEIGHTS HAVE FALLEN IN AREAS FROM HOLLAND NORTH UP THE
LAKESHORE AS OF 1000 PM. THE THREAT OF DANGEROUS CURRENTS IN THESE
AREAS HAS DIMINISHED THEREFORE THE BEACH HAZARDS STATEMENT HAS
BEEN CANCELLED.

$$

MIZ064-071-020900-
/O.EXT.KGRR.BH.S.0018.000000T0000Z-160902T0900Z/
ALLEGAN-VAN BUREN-
1006 PM EDT THU SEP 1 2016

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 5 AM EDT FRIDAY...

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

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

* BEACHES WITH PARTICULARLY DANGEROUS CONDITIONS WILL BE THOSE ON
  THE NORTH SIDE OF PIERS. THIS INCLUDES NORTH BEACH IN SOUTH
  HAVEN. 

* OVERVIEW/POTENTIAL IMPACTS...NORTH WINDS OF 10 TO 20 KNOTS WILL
  DIMINISH OVERNIGHT TO BELOW 10 KNOTS AND TURN NORTHEAST BY
  DAYBREAK. HAZARDOUS SWIMMING CONDITIONS WILL CONTINUE HOWEVER AS
  WAVES REMAIN IN THE 3 TO 5 FOOT RANGE INTO THE OVERNIGHT HOURS
  BEFORE SUBSIDING.

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.

&&

$$

WEATHER.GOV/GRR
385 
WHUS43 KGRR 020750
CFWGRR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
350 AM EDT FRI SEP 2 2016

MIZ064-071-020900-
/O.CAN.KGRR.BH.S.0018.000000T0000Z-160902T0900Z/
ALLEGAN-VAN BUREN-
350 AM EDT FRI SEP 2 2016

...BEACH HAZARDS STATEMENT IS CANCELLED...

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

WINDS AND WAVES HAVE SUBSIDED... BUT WATER TEMPERATURES HAVE
DROPPED INTO THE 50S MAKING SWIMMING AT LAKE MICHIGAN BEACHES
UNDESIRABLE. WATER TEMPERATURES THIS COLD MAKE SWIMMERS MORE
SUSCEPTIBLE TO HYPOTHERMIA IN A SHORTER AMOUNT OF TIME.

$$


WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 3:47 PM EDTSmall Craft AdvisoryGRR60 hr
Aug 30, 5:05 PM EDTAreal Flood AdvisoryGRRBarry, Eaton, Ionia, Kent3 hr

Nearby

Beach Hazards Statements in Michigan, 2016Every beach hazards statement in 2016

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.