519  
FZUS53 KLOT 260957  
SRFLOT  
 
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES  
NATIONAL WEATHER SERVICE CHICAGO IL  
457 AM CDT THU JUN 26 2025  
 
ILZ006-262145-  
LAKE-  
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK  
457 AM CDT THU JUN 26 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WATER TEMPERATURE...........65-69.  
WEATHER.....................PARTLY CLOUDY. PATCHY FOG EARLY IN THE  
MORNING. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. SCATTERED  
SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE UPPER 80S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH, BECOMING  
SOUTHEAST IN THE AFTERNOON.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
LOW TEMPERATURE.............AROUND 70.  
WINDS.......................SOUTHEAST WINDS AROUND 10 MPH, BECOMING  
SOUTHWEST AFTER MIDNIGHT.  
   
FRIDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................WEST WINDS 5 TO 10 MPH, BECOMING AROUND  
10 MPH LATE.  
   
SWIM RISK OUTLOOK
 
   
FRIDAY NIGHT
 
LOW SWIM RISK*.    
SATURDAY
 
LOW SWIM RISK*.    
SATURDAY NIGHT
 
LOW SWIM RISK*.    
SUNDAY
 
LOW SWIM RISK*.    
SUNDAY NIGHT
 
LOW SWIM RISK*.    
MONDAY
 
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  
 

 
 
ILZ103-104-262145-  
NORTHERN COOK-CENTRAL COOK-  
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT  
457 AM CDT THU JUN 26 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WATER TEMPERATURE...........62-66.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE  
MORNING. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
HIGH TEMPERATURE............IN THE UPPER 80S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH, BECOMING  
SOUTHEAST IN THE AFTERNOON.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................SOUTHEAST WINDS AROUND 10 MPH, BECOMING  
SOUTHWEST AFTER MIDNIGHT.  
   
FRIDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................WEST WINDS AROUND 10 MPH.  
   
SWIM RISK OUTLOOK
 
   
FRIDAY NIGHT
 
LOW SWIM RISK*.    
SATURDAY
 
LOW SWIM RISK*.    
SATURDAY NIGHT
 
LOW SWIM RISK*.    
SUNDAY
 
LOW SWIM RISK*.    
SUNDAY NIGHT
 
LOW SWIM RISK*.    
MONDAY
 
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  
 

 
 
INZ001-262145-  
LAKE-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
457 AM CDT THU JUN 26 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WATER TEMPERATURE...........68-72.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE  
MORNING. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
HIGH TEMPERATURE............AROUND 90.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH BECOMING  
EAST IN THE AFTERNOON.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING  
SOUTHWEST LATE.  
   
FRIDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE UPPER 80S.  
WINDS.......................WEST WINDS 5 TO 10 MPH.  
   
SWIM RISK OUTLOOK
 
   
FRIDAY NIGHT
 
LOW SWIM RISK*.    
SATURDAY
 
LOW SWIM RISK*.    
SATURDAY NIGHT
 
LOW SWIM RISK*.    
SUNDAY
 
LOW SWIM RISK*.    
SUNDAY NIGHT
 
LOW SWIM RISK*.    
MONDAY
 
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  
 

 
 
INZ002-262145-  
PORTER-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
457 AM CDT THU JUN 26 2025  
   
TODAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WATER TEMPERATURE...........68-72.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE  
MORNING. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
HIGH TEMPERATURE............AROUND 90.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH, BECOMING  
EAST IN THE AFTERNOON.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WEATHER.....................PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................SOUTH WINDS 5 TO 10 MPH.  
   
FRIDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING  
WEST LATE.  
   
SWIM RISK OUTLOOK
 
   
FRIDAY NIGHT
 
LOW SWIM RISK*.    
SATURDAY
 
LOW SWIM RISK*.    
SATURDAY NIGHT
 
LOW SWIM RISK*.    
SUNDAY
 
LOW SWIM RISK*.    
SUNDAY NIGHT
 
LOW SWIM RISK*.    
MONDAY
 
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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