432  
FZUS53 KLOT 220758  
SRFLOT  
 
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES  
NATIONAL WEATHER SERVICE CHICAGO IL  
258 AM CDT SAT AUG 22 2026  
 
ILZ006-230800-  
LAKE-  
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK  
258 AM CDT SAT AUG 22 2026  
   
TODAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WATER TEMPERATURE...........71-75.  
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................WEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST  
BY MIDDAY.  
   
TONIGHT  
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................2 TO 4 FEET.  
WEATHER.....................MOSTLY CLEAR. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
EVENING.  
LOW TEMPERATURE.............IN THE LOWER 60S.  
WINDS.......................NORTHWEST WINDS 10 TO 15 MPH.  
   
SUNDAY  
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................2 TO 4 FEET.  
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY  
CLOUDY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................NORTHWEST WINDS 10 TO 15 MPH.  
   
SWIM RISK OUTLOOK  
   
SUNDAY NIGHT  
LOW SWIM RISK*.    
MONDAY  
LOW 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  
 
 
 
ILZ103-104-230800-  
NORTHERN COOK-CENTRAL COOK-  
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT  
258 AM CDT SAT AUG 22 2026  
 
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY  
EVENING...  
   
TODAY  
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 2 TO 4 FEET.  
WATER TEMPERATURE...........71-75.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE UPPER 70S.  
WINDS.......................WEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST  
BY MIDDAY.  
   
TONIGHT  
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................2 TO 4 FEET.  
WEATHER.....................MOSTLY CLEAR. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
EVENING.  
LOW TEMPERATURE.............IN THE MID 60S.  
WINDS.......................NORTHWEST WINDS 10 TO 15 MPH.  
   
SUNDAY  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 6 FEET.  
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY  
CLOUDY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................NORTHWEST WINDS 10 TO 15 MPH.  
   
SWIM RISK OUTLOOK  
   
SUNDAY NIGHT  
MODERATE SWIM RISK*.    
MONDAY  
LOW 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  
 
 
 
INZ001-230800-  
LAKE-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
258 AM CDT SAT AUG 22 2026  
 
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY  
EVENING...  
   
TODAY  
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 2 TO 4 FEET.  
WATER TEMPERATURE...........72-76.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH, BECOMING  
NORTHWEST BY MIDDAY.  
   
TONIGHT  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 5 FEET.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING. A  
SLIGHT CHANCE OF SHOWERS IN THE  
EVENING.  
LOW TEMPERATURE.............IN THE MID 60S.  
WINDS.......................NORTH WINDS 10 TO 15 MPH.  
   
SUNDAY  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................4 TO 6 FEET.  
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY  
CLOUDY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................NORTH WINDS 10 TO 15 MPH.  
   
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  
 
 
 
INZ002-230800-  
PORTER-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
258 AM CDT SAT AUG 22 2026  
 
...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM CDT THIS MORNING  
THROUGH SUNDAY EVENING...  
   
TODAY  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................1 TO 3 FEET BUILDING TO 3 TO 6 FEET.  
WATER TEMPERATURE...........72-76.  
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH, BECOMING NORTHWEST BY MIDDAY.  
   
TONIGHT  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................4 TO 6 FEET.  
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING. A  
SLIGHT CHANCE OF SHOWERS UNTIL EARLY  
MORNING.  
LOW TEMPERATURE.............IN THE UPPER 60S.  
WINDS.......................NORTH WINDS 10 TO 15 MPH.  
   
SUNDAY  
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................4 TO 6 FEET.  
WEATHER.....................MOSTLY SUNNY.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH.  
   
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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