311  
FZUS53 KGRR 130913  
SRFGRR  
 
SURF ZONE FORECAST FOR WEST MICHIGAN  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
513 AM EDT SAT SEP 13 2025  
 
MIZ037-132100-  
MASON-  
INCLUDING THE BEACHES OF LUDINGTON STATE PARK AND STEARNS PARK  
513 AM EDT SAT SEP 13 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WAVE PERIOD.................4 SECONDS.  
UV INDEX....................HIGH.  
WATER TEMPERATURE...........IN THE UPPER 60S.  
WEATHER.....................MOSTLY CLOUDY UNTIL 2 PM, THEN MOSTLY  
SUNNY. A CHANCE OF SHOWERS.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................SOUTH WINDS AROUND 10 MPH.  
SUNRISE.....................7:22 AM.  
SUNSET......................8:03 PM.  
   
SUNDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WAVE PERIOD.................3 SECONDS.  
WEATHER.....................SUNNY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................LIGHT AND VARIABLE WINDS BECOMING NORTH  
AROUND 10 MPH IN THE AFTERNOON.  
SUNRISE.....................7:23 AM.  
SUNSET......................8:01 PM.  
   
EXTENDED
 
   
MONDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN THE  
MID 70S. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.    
TUESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN THE  
MID 70S. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.    
WEDNESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN  
THE MID 70S. LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST AROUND  
10 MPH IN THE AFTERNOON.  
 

 
 
SWIM RISK CATEGORY  
* LOW RISK - LARGE WAVES AND DANGEROUS CURRENTS ARE NOT EXPECTED,  
HOWEVER DANGEROUS CURRENTS MAY EXIST AT ANY TIME NEAR PIERS,  
BREAKWALLS, AND RIVER OUTLETS.  
* MODERATE RISK - BREAKING WAVES AND CURRENTS ARE EXPECTED. STAY AWAY  
FROM DANGEROUS AREAS LIKE PIERS, BREAKWALLS, AND RIVER OUTLETS.  
ALWAYS HAVE A FLOTATION DEVICE WITH YOU IN THE WATER.  
* HIGH RISK - LIFE-THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY  
OUT OF THE WATER AND STAY AWAY FROM DANGEROUS AREAS LIKE PIERS AND  
BREAKWALLS.  
 

 
 
MIZ043-132100-  
OCEANA-  
INCLUDING THE BEACHES OF CHARLES MEARS STATE PARK AND SILVER LAKE  
STATE PARK  
513 AM EDT SAT SEP 13 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WAVE PERIOD.................4 SECONDS.  
UV INDEX....................HIGH.  
WATER TEMPERATURE...........IN THE UPPER 60S.  
WEATHER.....................MOSTLY CLOUDY UNTIL 3 PM, THEN MOSTLY  
SUNNY. A CHANCE OF SHOWERS.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................SOUTHEAST WINDS AROUND 10 MPH.  
SUNRISE.....................7:22 AM.  
SUNSET......................8:02 PM.  
   
SUNDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WAVE PERIOD.................3 SECONDS.  
WEATHER.....................SUNNY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................LIGHT AND VARIABLE WINDS BECOMING SOUTH  
AROUND 10 MPH IN THE AFTERNOON.  
SUNRISE.....................7:23 AM.  
SUNSET......................8:01 PM.  
   
EXTENDED
 
   
MONDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN THE  
UPPER 70S. SOUTHEAST WINDS AROUND 10 MPH BECOMING SOUTH IN THE  
AFTERNOON.    
TUESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN THE  
MID 70S. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.    
WEDNESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN  
THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH BECOMING SOUTH IN THE  
AFTERNOON.  
 

 
 
SWIM RISK CATEGORY  
* LOW RISK - LARGE WAVES AND DANGEROUS CURRENTS ARE NOT EXPECTED,  
HOWEVER DANGEROUS CURRENTS MAY EXIST AT ANY TIME NEAR PIERS,  
BREAKWALLS, AND RIVER OUTLETS.  
* MODERATE RISK - BREAKING WAVES AND CURRENTS ARE EXPECTED. STAY AWAY  
FROM DANGEROUS AREAS LIKE PIERS, BREAKWALLS, AND RIVER OUTLETS.  
ALWAYS HAVE A FLOTATION DEVICE WITH YOU IN THE WATER.  
* HIGH RISK - LIFE-THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY  
OUT OF THE WATER AND STAY AWAY FROM DANGEROUS AREAS LIKE PIERS AND  
BREAKWALLS.  
 

 
 
MIZ050-132100-  
MUSKEGON-  
INCLUDING THE BEACHES OF MUSKEGON STATE PARK, PERE MARQUETTE PARK,  
PJ HOFFMASTER STATE PARK, AND DUCK LAKE STATE PARK  
513 AM EDT SAT SEP 13 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WAVE PERIOD.................3 SECONDS.  
UV INDEX....................HIGH.  
WATER TEMPERATURE...........IN THE UPPER 60S.  
WEATHER.....................MOSTLY CLOUDY UNTIL 5 PM, THEN MOSTLY  
SUNNY. A CHANCE OF SHOWERS.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................SOUTHEAST WINDS AROUND 10 MPH.  
SUNRISE.....................7:22 AM.  
SUNSET......................8:01 PM.  
   
SUNDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WAVE PERIOD.................3 SECONDS.  
WEATHER.....................SUNNY.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................EAST WINDS AROUND 10 MPH.  
SUNRISE.....................7:23 AM.  
SUNSET......................7:59 PM.  
   
EXTENDED
 
   
MONDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN THE  
UPPER 70S. EAST WINDS AROUND 15 MPH BECOMING SOUTH IN THE AFTERNOON.    
TUESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN THE  
UPPER 70S. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.    
WEDNESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN  
THE MID 70S. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
 

 
 
SWIM RISK CATEGORY  
* LOW RISK - LARGE WAVES AND DANGEROUS CURRENTS ARE NOT EXPECTED,  
HOWEVER DANGEROUS CURRENTS MAY EXIST AT ANY TIME NEAR PIERS,  
BREAKWALLS, AND RIVER OUTLETS.  
* MODERATE RISK - BREAKING WAVES AND CURRENTS ARE EXPECTED. STAY AWAY  
FROM DANGEROUS AREAS LIKE PIERS, BREAKWALLS, AND RIVER OUTLETS.  
ALWAYS HAVE A FLOTATION DEVICE WITH YOU IN THE WATER.  
* HIGH RISK - LIFE-THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY  
OUT OF THE WATER AND STAY AWAY FROM DANGEROUS AREAS LIKE PIERS AND  
BREAKWALLS.  
 

 
 
MIZ056-132100-  
OTTAWA-  
INCLUDING THE BEACHES OF GRAND HAVEN STATE PARK AND HOLLAND STATE  
PARK  
513 AM EDT SAT SEP 13 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WAVE PERIOD.................3 SECONDS.  
UV INDEX....................HIGH.  
WATER TEMPERATURE...........IN THE UPPER 60S.  
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................SOUTH WINDS AROUND 10 MPH.  
SUNRISE.....................7:21 AM.  
SUNSET......................8:01 PM.  
   
SUNDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WAVE PERIOD.................2 SECONDS.  
WEATHER.....................SUNNY.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................EAST WINDS AROUND 10 MPH.  
SUNRISE.....................7:22 AM.  
SUNSET......................7:59 PM.  
   
EXTENDED
 
   
MONDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN THE  
UPPER 70S. EAST WINDS AROUND 10 MPH.    
TUESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN THE  
UPPER 70S. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.    
WEDNESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN  
THE UPPER 70S. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
 

 
 
SWIM RISK CATEGORY  
* LOW RISK - LARGE WAVES AND DANGEROUS CURRENTS ARE NOT EXPECTED,  
HOWEVER DANGEROUS CURRENTS MAY EXIST AT ANY TIME NEAR PIERS,  
BREAKWALLS, AND RIVER OUTLETS.  
* MODERATE RISK - BREAKING WAVES AND CURRENTS ARE EXPECTED. STAY AWAY  
FROM DANGEROUS AREAS LIKE PIERS, BREAKWALLS, AND RIVER OUTLETS.  
ALWAYS HAVE A FLOTATION DEVICE WITH YOU IN THE WATER.  
* HIGH RISK - LIFE-THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY  
OUT OF THE WATER AND STAY AWAY FROM DANGEROUS AREAS LIKE PIERS AND  
BREAKWALLS.  
 

 
 
MIZ064-132100-  
ALLEGAN-  
INCLUDING THE BEACHES OF SAUGATUCK DUNES STATE PARK AND OVAL BEACH  
513 AM EDT SAT SEP 13 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WAVE PERIOD.................2 SECONDS.  
UV INDEX....................HIGH.  
WATER TEMPERATURE...........IN THE MID 50S.  
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................SOUTH WINDS AROUND 10 MPH.  
SUNRISE.....................7:22 AM.  
SUNSET......................8:01 PM.  
   
SUNDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WAVE PERIOD.................2 SECONDS.  
WEATHER.....................SUNNY.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................LIGHT AND VARIABLE WINDS BECOMING EAST  
AROUND 10 MPH IN THE AFTERNOON.  
SUNRISE.....................7:23 AM.  
SUNSET......................7:59 PM.  
   
EXTENDED
 
   
MONDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS AROUND  
80. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT AND  
VARIABLE.    
TUESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN THE  
UPPER 70S. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.    
WEDNESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN  
THE UPPER 70S. LIGHT AND VARIABLE WINDS.  
 

 
 
SWIM RISK CATEGORY  
* LOW RISK - LARGE WAVES AND DANGEROUS CURRENTS ARE NOT EXPECTED,  
HOWEVER DANGEROUS CURRENTS MAY EXIST AT ANY TIME NEAR PIERS,  
BREAKWALLS, AND RIVER OUTLETS.  
* MODERATE RISK - BREAKING WAVES AND CURRENTS ARE EXPECTED. STAY AWAY  
FROM DANGEROUS AREAS LIKE PIERS, BREAKWALLS, AND RIVER OUTLETS.  
ALWAYS HAVE A FLOTATION DEVICE WITH YOU IN THE WATER.  
* HIGH RISK - LIFE-THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY  
OUT OF THE WATER AND STAY AWAY FROM DANGEROUS AREAS LIKE PIERS AND  
BREAKWALLS.  
 

 
 
MIZ071-132100-  
VAN BUREN-  
INCLUDING THE BEACHES OF SOUTH HAVEN AND VAN BUREN STATE PARK  
513 AM EDT SAT SEP 13 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WAVE PERIOD.................2 SECONDS.  
UV INDEX....................HIGH.  
WATER TEMPERATURE...........IN THE UPPER 60S.  
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
A SLIGHT CHANCE OF THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................SOUTH WINDS AROUND 10 MPH.  
SUNRISE.....................7:22 AM.  
SUNSET......................8:01 PM.  
   
SUNDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WAVE PERIOD.................2 SECONDS.  
WEATHER.....................SUNNY.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................LIGHT AND VARIABLE WINDS.  
SUNRISE.....................7:23 AM.  
SUNSET......................7:59 PM.  
   
EXTENDED
 
   
MONDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS AROUND  
80. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT AND  
VARIABLE.    
TUESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS AROUND  
80. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING BECOMING LIGHT AND  
VARIABLE.    
WEDNESDAY
 
LOW SWIM RISK*. WAVES 1 FOOT OR LESS. SUNNY. HIGHS IN  
THE UPPER 70S. LIGHT AND VARIABLE WINDS.  
 

 
 
SWIM RISK CATEGORY  
* LOW RISK - LARGE WAVES AND DANGEROUS CURRENTS ARE NOT EXPECTED,  
HOWEVER DANGEROUS CURRENTS MAY EXIST AT ANY TIME NEAR PIERS,  
BREAKWALLS, AND RIVER OUTLETS.  
* MODERATE RISK - BREAKING WAVES AND CURRENTS ARE EXPECTED. STAY AWAY  
FROM DANGEROUS AREAS LIKE PIERS, BREAKWALLS, AND RIVER OUTLETS.  
ALWAYS HAVE A FLOTATION DEVICE WITH YOU IN THE WATER.  
* HIGH RISK - LIFE-THREATENING WAVES AND CURRENTS ARE EXPECTED. STAY  
OUT OF THE WATER AND STAY AWAY FROM DANGEROUS AREAS LIKE PIERS AND  
BREAKWALLS.  
 

 
 
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