717  
FZUS53 KLOT 242034  
SRFLOT  
 
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES  
NATIONAL WEATHER SERVICE CHICAGO IL  
334 PM CDT TUE JUN 24 2025  
 
ILZ006-250930-  
LAKE-  
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK  
334 PM CDT TUE JUN 24 2025  
   
REST OF TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WATER TEMPERATURE...........64-68.  
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS. WINDS AND WAVES MAY BE  
HIGHER IN AND NEAR THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................NORTHEAST WINDS AROUND 10 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS  
IN THE EVENING.  
LOW TEMPERATURE.............IN THE MID 60S.  
WINDS.......................NORTH WINDS 5 TO 10 MPH.  
   
WEDNESDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................MOSTLY CLOUDY. SHOWERS LIKELY IN THE  
MORNING. A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................NORTHEAST WINDS AROUND 5 MPH.  
   
SWIM RISK OUTLOOK
 
   
WEDNESDAY NIGHT
 
LOW SWIM RISK*.    
THURSDAY
 
LOW SWIM RISK*.    
THURSDAY NIGHT
 
LOW SWIM RISK*.    
FRIDAY
 
LOW SWIM RISK*.    
FRIDAY NIGHT
 
LOW SWIM RISK*.    
SATURDAY
 
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  
 

 
 
ILZ103-104-250930-  
NORTHERN COOK-CENTRAL COOK-  
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT  
334 PM CDT TUE JUN 24 2025  
   
REST OF TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WATER TEMPERATURE...........65-69.  
WEATHER.....................PARTLY SUNNY. SCATTERED SHOWERS AND  
THUNDERSTORMS. WINDS AND WAVES MAY BE  
HIGHER IN AND NEAR THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................NORTHEAST WINDS AROUND 10 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS.  
LOW TEMPERATURE.............IN THE MID 60S.  
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.  
   
WEDNESDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................MOSTLY CLOUDY. SHOWERS LIKELY IN THE  
MORNING. A CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................NORTH WINDS 5 TO 10 MPH.  
   
SWIM RISK OUTLOOK
 
   
WEDNESDAY NIGHT
 
LOW SWIM RISK*.    
THURSDAY
 
LOW SWIM RISK*.    
THURSDAY NIGHT
 
LOW SWIM RISK*.    
FRIDAY
 
LOW SWIM RISK*.    
FRIDAY NIGHT
 
LOW SWIM RISK*.    
SATURDAY
 
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  
 

 
 
INZ001-250930-  
LAKE-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
334 PM CDT TUE JUN 24 2025  
   
REST OF TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WATER TEMPERATURE...........64-68.  
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS. WINDS AND WAVES MAY BE  
HIGHER IN AND NEAR THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE LOW TO MID 80S.  
WINDS.......................NORTH WINDS AROUND 10 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS.  
LOW TEMPERATURE.............IN THE UPPER 60S.  
WINDS.......................NORTH WINDS 5 TO 10 MPH.  
   
WEDNESDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................NORTH WINDS 5 TO 10 MPH.  
   
SWIM RISK OUTLOOK
 
   
WEDNESDAY NIGHT
 
LOW SWIM RISK*.    
THURSDAY
 
LOW SWIM RISK*.    
THURSDAY NIGHT
 
LOW SWIM RISK*.    
FRIDAY
 
LOW SWIM RISK*.    
FRIDAY NIGHT
 
LOW SWIM RISK*.    
SATURDAY
 
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  
 

 
 
INZ002-250930-  
PORTER-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
334 PM CDT TUE JUN 24 2025  
   
REST OF TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WATER TEMPERATURE...........64-68.  
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS. WINDS AND WAVES MAY BE  
HIGHER IN AND NEAR THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................NORTHEAST WINDS AROUND 10 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS.  
LOW TEMPERATURE.............IN THE UPPER 60S.  
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.  
   
WEDNESDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................NORTH WINDS AROUND 5 TO 10 MPH.  
   
SWIM RISK OUTLOOK
 
   
WEDNESDAY NIGHT
 
LOW SWIM RISK*.    
THURSDAY
 
LOW SWIM RISK*.    
THURSDAY NIGHT
 
LOW SWIM RISK*.    
FRIDAY
 
LOW SWIM RISK*.    
FRIDAY NIGHT
 
LOW SWIM RISK*.    
SATURDAY
 
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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