629  
FZUS53 KLOT 151952  
SRFLOT  
 
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES  
NATIONAL WEATHER SERVICE CHICAGO IL  
252 PM CDT TUE JUL 15 2025  
 
ILZ006-160915-  
LAKE-  
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK  
252 PM CDT TUE JUL 15 2025  
   
REST OF TODAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WATER TEMPERATURE...........72-76.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE UPPER 80S.  
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH.  
   
TONIGHT  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING  
SOUTH AFTER MIDNIGHT.  
   
WEDNESDAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
AFTERNOON. SHOWERS AND THUNDERSTORMS  
LIKELY LATE.  
HIGH TEMPERATURE............IN THE UPPER 80S.  
WINDS.......................SOUTHEAST WINDS AROUND 10 MPH BECOMING  
SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.  
   
SWIM RISK OUTLOOK  
   
WEDNESDAY NIGHT  
LOW SWIM RISK*.    
THURSDAY  
HIGH SWIM RISK*.    
THURSDAY NIGHT  
HIGH SWIM RISK*.    
FRIDAY  
HIGH 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  
 
 
 
ILZ103-104-160915-  
NORTHERN COOK-CENTRAL COOK-  
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT  
252 PM CDT TUE JUL 15 2025  
   
REST OF TODAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WATER TEMPERATURE...........72-76.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE UPPER 80S.  
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH.  
   
TONIGHT  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS.  
LOW TEMPERATURE.............IN THE MID 70S.  
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING  
SOUTH AFTER MIDNIGHT.  
   
WEDNESDAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
AFTERNOON. A CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE.  
HIGH TEMPERATURE............IN THE LOWER 90S.  
WINDS.......................SOUTHEAST WINDS AROUND 10 MPH BECOMING  
SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.  
   
SWIM RISK OUTLOOK  
   
WEDNESDAY NIGHT  
LOW SWIM RISK*.    
THURSDAY  
HIGH SWIM RISK*.    
THURSDAY NIGHT  
HIGH SWIM RISK*.    
FRIDAY  
HIGH 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  
 
 
 
INZ001-160915-  
LAKE-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
252 PM CDT TUE JUL 15 2025  
   
REST OF TODAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WATER TEMPERATURE...........74-78.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE LOWER 90S.  
WINDS.......................EAST WINDS AROUND 10 MPH.  
   
TONIGHT  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS.  
LOW TEMPERATURE.............IN THE MID 70S.  
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING  
SOUTH AFTER MIDNIGHT.  
   
WEDNESDAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
MORNING. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
HIGH TEMPERATURE............IN THE LOWER 90S.  
WINDS.......................SOUTH WINDS 5 TO 10 MPH.  
   
SWIM RISK OUTLOOK  
   
WEDNESDAY NIGHT  
LOW SWIM RISK*.    
THURSDAY  
HIGH SWIM RISK*.    
THURSDAY NIGHT  
HIGH SWIM RISK*.    
FRIDAY  
HIGH 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  
 
 
 
INZ002-160915-  
PORTER-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
252 PM CDT TUE JUL 15 2025  
   
REST OF TODAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WATER TEMPERATURE...........74-78.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE UPPER 80S.  
WINDS.......................NORTHEAST WINDS AROUND 10 MPH.  
   
TONIGHT  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING  
SOUTH AFTER MIDNIGHT.  
   
WEDNESDAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
HIGH TEMPERATURE............AROUND 90.  
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.  
   
SWIM RISK OUTLOOK  
   
WEDNESDAY NIGHT  
LOW SWIM RISK*.    
THURSDAY  
HIGH SWIM RISK*.    
THURSDAY NIGHT  
HIGH SWIM RISK*.    
FRIDAY  
HIGH 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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