652  
FZUS53 KLOT 180242  
SRFLOT  
 
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES  
NATIONAL WEATHER SERVICE CHICAGO IL  
942 PM CDT THU JUL 17 2025  
 
ILZ006-180915-  
LAKE-  
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK  
942 PM CDT THU JUL 17 2025  
   
..BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 AM CDT FRIDAY  
 
   
TONIGHT  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 6 FEET.  
WATER TEMPERATURE...........70-74.  
WEATHER.....................PARTLY CLOUDY.  
LOW TEMPERATURE.............IN THE LOWER 60S.  
WINDS.......................NORTHEAST WINDS 10 TO 15 MPH.  
   
FRIDAY  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................EAST 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  
MODERATE 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  
 
 
 
ILZ103-104-180915-  
NORTHERN COOK-CENTRAL COOK-  
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT  
942 PM CDT THU JUL 17 2025  
   
..BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 AM CDT FRIDAY  
 
   
TONIGHT  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 6 FEET.  
WATER TEMPERATURE...........70-74.  
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY  
CLOUDY.  
LOW TEMPERATURE.............IN THE MID 60S.  
WINDS.......................NORTHEAST WINDS 10 TO 15 MPH.  
   
FRIDAY  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................EAST 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  
 
 
 
INZ001-180915-  
LAKE-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
942 PM CDT THU JUL 17 2025  
   
..BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 AM CDT FRIDAY  
 
   
TONIGHT  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................4 TO 6 FEET.  
WATER TEMPERATURE...........70-74.  
WEATHER.....................MOSTLY CLOUDY.  
LOW TEMPERATURE.............IN THE MID 60S.  
WINDS.......................NORTHEAST WINDS 10 TO 15 MPH, BECOMING  
EAST 5 TO 10 MPH LATE.  
   
FRIDAY  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................EAST 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  
 
 
 
INZ002-180915-  
PORTER-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
942 PM CDT THU JUL 17 2025  
   
..BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 AM CDT FRIDAY  
 
   
TONIGHT  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................4 TO 6 FEET.  
WATER TEMPERATURE...........70-74.  
WEATHER.....................MOSTLY CLOUDY.  
LOW TEMPERATURE.............IN THE MID 60S.  
WINDS.......................NORTHEAST WINDS 10 TO 15 MPH, BECOMING  
EAST 5 TO 10 MPH LATE.  
   
FRIDAY  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................EAST WINDS 5 TO 10 MPH, BECOMING  
NORTHEAST 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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