466  
FZUS53 KLOT 050826  
SRFLOT  
 
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES  
NATIONAL WEATHER SERVICE CHICAGO IL  
326 AM CDT SAT JUL 5 2025  
 
ILZ006-052115-  
LAKE-  
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK  
326 AM CDT SAT JUL 5 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WATER TEMPERATURE...........72-76.  
WEATHER.....................MOSTLY SUNNY.  
HIGH TEMPERATURE............IN THE LOWER 90S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
EVENING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE LATE EVENING AND  
OVERNIGHT.  
LOW TEMPERATURE.............IN THE MID 70S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH.  
   
SUNDAY
 
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................2 TO 4 FEET.  
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE LOWER 80S.  
WINDS.......................SOUTHWEST WINDS AROUND 10 MPH, BECOMING  
NORTH IN THE AFTERNOON.  
   
SWIM RISK OUTLOOK
 
   
SUNDAY NIGHT
 
MODERATE SWIM RISK*.    
MONDAY
 
MODERATE SWIM RISK*.    
MONDAY NIGHT
 
LOW SWIM RISK*.    
TUESDAY
 
LOW SWIM RISK*.    
TUESDAY NIGHT
 
LOW SWIM RISK*.    
WEDNESDAY
 
LOW SWIM RISK*.  
 

 
 
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.  
 
** FOR THUNDERSTORM, WATERSPOUT, AND UV DEFINITIONS SEE:  
HTTPS://WWW.WEATHER.GOV/BEACH/LOT  
 

 
 
ILZ103-104-052115-  
NORTHERN COOK-CENTRAL COOK-  
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT  
326 AM CDT SAT JUL 5 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WATER TEMPERATURE...........73-77.  
WEATHER.....................MOSTLY SUNNY.  
HIGH TEMPERATURE............IN THE MID 90S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN A  
CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER MIDNIGHT.  
LOW TEMPERATURE.............IN THE MID 70S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH.  
   
SUNDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................SOUTHWEST WINDS AROUND 10 MPH, BECOMING  
NORTH LATE.  
   
SWIM RISK OUTLOOK
 
   
SUNDAY NIGHT
 
HIGH SWIM RISK*.    
MONDAY
 
MODERATE SWIM RISK*.    
MONDAY NIGHT
 
LOW SWIM RISK*.    
TUESDAY
 
LOW SWIM RISK*.    
TUESDAY NIGHT
 
LOW SWIM RISK*.    
WEDNESDAY
 
LOW SWIM RISK*.  
 

 
 
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.  
 
** FOR THUNDERSTORM, WATERSPOUT, AND UV DEFINITIONS SEE:  
HTTPS://WWW.WEATHER.GOV/BEACH/LOT  
 

 
 
INZ001-052115-  
LAKE-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
326 AM CDT SAT JUL 5 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WATER TEMPERATURE...........73-77.  
WEATHER.....................MOSTLY SUNNY.  
HIGH TEMPERATURE............IN THE MID 90S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. A CHANCE  
OF SHOWERS AND THUNDERSTORMS LATE.  
LOW TEMPERATURE.............IN THE MID 70S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH.  
   
SUNDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN  
SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................SOUTHWEST WINDS AROUND 10 MPH, BECOMING  
NORTH LATE.  
   
SWIM RISK OUTLOOK
 
   
SUNDAY NIGHT
 
HIGH SWIM RISK*.    
MONDAY
 
MODERATE SWIM RISK*.    
MONDAY NIGHT
 
LOW SWIM RISK*.    
TUESDAY
 
LOW SWIM RISK*.    
TUESDAY NIGHT
 
LOW SWIM RISK*.    
WEDNESDAY
 
LOW SWIM RISK*.  
 

 
 
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.  
 
** FOR THUNDERSTORM, WATERSPOUT, AND UV DEFINITIONS SEE:  
HTTPS://WWW.WEATHER.GOV/BEACH/LOT  
 

 
 
INZ002-052115-  
PORTER-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
326 AM CDT SAT JUL 5 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WATER TEMPERATURE...........73-77.  
WEATHER.....................MOSTLY SUNNY.  
HIGH TEMPERATURE............IN THE LOWER 90S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT.  
LOW TEMPERATURE.............IN THE UPPER 70S.  
WINDS.......................SOUTH WINDS 10 TO 15 MPH.  
   
SUNDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN  
SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH, BECOMING  
NORTHWEST LATE.  
   
SWIM RISK OUTLOOK
 
   
SUNDAY NIGHT
 
HIGH SWIM RISK*.    
MONDAY
 
MODERATE SWIM RISK*.    
MONDAY NIGHT
 
LOW SWIM RISK*.    
TUESDAY
 
LOW SWIM RISK*.    
TUESDAY NIGHT
 
LOW SWIM RISK*.    
WEDNESDAY
 
LOW SWIM RISK*.  
 

 
 
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.  
 
** FOR THUNDERSTORM, WATERSPOUT, AND UV DEFINITIONS SEE:  
HTTPS://WWW.WEATHER.GOV/BEACH/LOT  
 

 
 
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