Alert archive / Michigan / Beach Hazards Statements in 2017

Beach Hazards Statement 19, NWS Grand Rapids, MI

September 26, 20176 counties in Michigan

NWS Grand Rapids, MI issued this beach hazards statement at Sep 26, 2017, 4:07 PM EDT for 6 counties in Michigan. It took effect at Sep 27, 2017, 5:00 AM EDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Sep 26, 2017, 4:07 PM EDT (20:07 UTC)
In effect from
Sep 27, 2017, 5:00 AM EDT
Expired
Sep 28, 2017, 12:00 AM EDT
In force
19 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 20:11 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, 8.1 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 2017-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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 2017-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
66 J/kg
Mixed-layer CIN
-174 J/kg
Mixed-layer LCL
1372 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

100 
WHUS43 KGRR 262007
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
407 PM EDT TUE SEP 26 2017

MIZ037-043-050-056-064-071-270415-
/O.NEW.KGRR.BH.S.0019.170927T0900Z-170928T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
407 PM EDT TUE SEP 26 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING. 

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED. 

* RIP CURRENTS POSSIBLE. 

* 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... A STRONG COLD FRONT WILL MOVE
  ACROSS LAKE MICHIGAN THIS EVENING. STRONG NORTHWEST TO NORTH 
  WINDS BEHIND THE FRONT WILL INCREASE TO 15 TO 25 MPH AND CREATE 
  3 TO 6 FOOT WAVES. THESE WAVES WILL RESULT IN STRONG STRUCTURAL 
  AND LONGSHORE CURRENTS AND POSSIBLE RIP CURRENTS.
  

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
6 follow-up statements
418 
WHUS43 KGRR 270046
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
846 PM EDT TUE SEP 26 2017

MIZ037-043-050-056-064-071-270900-
/O.CON.KGRR.BH.S.0019.170927T0900Z-170928T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
846 PM EDT TUE SEP 26 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM EDT
WEDNESDAY THROUGH WEDNESDAY EVENING...

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* 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... A STRONG COLD FRONT WILL MOVE 
  ACROSS LAKE MICHIGAN THIS EVENING. STRONG NORTHWEST TO NORTH 
  WINDS BEHIND THE FRONT WILL INCREASE TO 15 TO 25 MPH AND 
  CREATE 3 TO 6 FOOT WAVES. THESE WAVES WILL RESULT IN STRONG 
  STRUCTURAL AND LONGSHORE CURRENTS AND POSSIBLE RIP CURRENTS. 

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
507 
WHUS43 KGRR 270743
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
343 AM EDT WED SEP 27 2017

MIZ037-043-050-056-064-071-271545-
/O.CON.KGRR.BH.S.0019.170927T0900Z-170928T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
343 AM EDT WED SEP 27 2017

...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 POSSIBLE.

* 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... A STRONG COLD FRONT HAS MOVED
  THROUGH SOUTHWEST MICHIGAN LATE TUESDAY NIGHT. NOW THAT THE
  FRONT IS THROUGH WE WILL CONTINUE TO SEE NORTH TO NORTHWEST
  WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS INTO THIS EVENING. 
  THESE WINDS WILL CONTINUE TO RESULT IN 3 TO 6 FOOT WAVES INTO 
  THIS EVENING. THESE WAVES WILL RESULT IN STRONG STRUCTURAL AND 
  LONGSHORE CURRENTS AND POSSIBLE RIP CURRENTS. 

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
572 
WHUS43 KGRR 271457
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1057 AM EDT WED SEP 27 2017

MIZ037-043-050-056-064-071-272300-
/O.CON.KGRR.BH.S.0019.000000T0000Z-170928T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1057 AM EDT WED SEP 27 2017

...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 POSSIBLE.

* 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... A STRONG COLD FRONT HAS MOVED 
  THROUGH SOUTHWEST MICHIGAN LATE TUESDAY NIGHT. NOW THAT THE 
  FRONT IS THROUGH WE WILL CONTINUE TO SEE NORTH TO NORTHWEST 
  WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS INTO THIS EVENING. 
  THESE WINDS WILL CONTINUE TO RESULT IN 3 TO 6 FOOT WAVES INTO 
  THIS EVENING. THESE WAVES WILL RESULT IN STRONG STRUCTURAL AND 
  LONGSHORE CURRENTS AND POSSIBLE RIP CURRENTS. 

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
172 
WHUS43 KGRR 271958
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
358 PM EDT WED SEP 27 2017

MIZ037-043-050-056-064-071-280400-
/O.CON.KGRR.BH.S.0019.000000T0000Z-170928T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
358 PM EDT WED SEP 27 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* 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... A STRONG COLD FRONT HAS MOVED 
  THROUGH SOUTHWEST MICHIGAN LATE TUESDAY NIGHT. NOW THAT THE 
  FRONT IS THROUGH WE WILL CONTINUE TO SEE NORTH TO NORTHWEST 
  WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS INTO THIS EVENING. 
  THESE WINDS WILL CONTINUE TO RESULT IN 3 TO 5 FOOT WAVES INTO 
  THIS EVENING. THESE WAVES WILL RESULT IN STRONG STRUCTURAL AND 
  LONGSHORE CURRENTS AND POSSIBLE RIP CURRENTS. 

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
760 
WHUS43 KGRR 280042
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
842 PM EDT WED SEP 27 2017

MIZ037-043-050-056-064-071-280400-
/O.CON.KGRR.BH.S.0019.000000T0000Z-170928T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
842 PM EDT WED SEP 27 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* STRONG STRUCTURAL CURRENTS EXPECTED.

* STRONG LONGSHORE CURRENTS EXPECTED.

* RIP CURRENTS POSSIBLE.

* 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 TO NORTHWEST WINDS OF 15 TO
  25 MPH THIS EVENING. THESE WINDS WILL CONTINUE TO RESULT IN 3 
  TO 5 FOOT WAVES INTO THIS EVENING. THESE WAVES WILL RESULT IN 
  STRONG STRUCTURAL AND LONGSHORE CURRENTS AND POSSIBLE RIP 
  CURRENTS. 

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
767 
WHUS43 KGRR 280351
CFWGRR

LAKESHORE HAZARD MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1151 PM EDT WED SEP 27 2017

MIZ037-043-050-056-064-071-280500-
/O.EXP.KGRR.BH.S.0019.000000T0000Z-170928T0400Z/
MASON-OCEANA-MUSKEGON-OTTAWA-ALLEGAN-VAN BUREN-
1151 PM EDT WED SEP 27 2017

...BEACH HAZARDS STATEMENT WILL EXPIRE AT MIDNIGHT EDT TONIGHT...

THE WIND AND WAVES WILL CONTINUE TO DIMINISH FOR THE REST OF
TONIGHT. THEREFORE THE HAZARD WILL BE ALLOWED TO EXPIRE AT
MIDNIGHT.

$$


WEATHER.GOV/GRR

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 3:29 PM EDTSmall Craft AdvisoryGRR33 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.