633  
FZUS53 KLOT 102027  
SRFLOT  
 
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES  
NATIONAL WEATHER SERVICE CHICAGO IL  
327 PM CDT THU JUL 10 2025  
 
ILZ006-110915-  
LAKE-  
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK  
327 PM CDT THU JUL 10 2025  
   
REST OF TODAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WATER TEMPERATURE...........69-73.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................EAST WINDS AROUND 10 MPH.  
   
TONIGHT  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS IN THE  
EVENING. SCATTERED THUNDERSTORMS.  
NUMEROUS SHOWERS AFTER MIDNIGHT.  
LOW TEMPERATURE.............AROUND 70.  
WINDS.......................EAST WINDS 5 TO 10 MPH, BECOMING SOUTH  
LATE.  
   
FRIDAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................MOSTLY CLOUDY. SCATTERED THUNDERSTORMS  
EARLY IN THE MORNING. SCATTERED  
SHOWERS. SCATTERED THUNDERSTORMS IN THE  
LATE MORNING AND AFTERNOON.  
HIGH TEMPERATURE............IN THE MID 80S.  
WINDS.......................SOUTH WINDS AROUND 10 MPH, BECOMING  
SOUTHEAST IN THE AFTERNOON.  
   
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  
 
 
 
ILZ103-104-110915-  
NORTHERN COOK-CENTRAL COOK-  
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT  
327 PM CDT THU JUL 10 2025  
   
REST OF TODAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WATER TEMPERATURE...........70-74.  
WEATHER.....................PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................EAST WINDS AROUND 10 MPH.  
   
TONIGHT  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 2 FEET.  
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS IN THE  
EVENING. SCATTERED THUNDERSTORMS.  
NUMEROUS SHOWERS AFTER MIDNIGHT.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................EAST WINDS 5 TO 10 MPH, BECOMING SOUTH  
AFTER MIDNIGHT.  
   
FRIDAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................AROUND 1 FOOT.  
WEATHER.....................MOSTLY CLOUDY. SCATTERED THUNDERSTORMS  
IN THE MORNING. SCATTERED SHOWERS.  
SCATTERED THUNDERSTORMS IN THE  
AFTERNOON.  
HIGH TEMPERATURE............AROUND 90.  
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING  
SOUTHEAST IN THE AFTERNOON.  
   
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  
 
 
 
INZ001-110915-  
LAKE-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
327 PM CDT THU JUL 10 2025  
   
REST OF TODAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WATER TEMPERATURE...........74-78.  
WEATHER.....................PARTLY CLOUDY.  
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. ISOLATED SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING,  
THEN SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE LATE EVENING AND  
OVERNIGHT.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................EAST WINDS 5 TO 10 MPH, BECOMING SOUTH  
AFTER MIDNIGHT.  
   
FRIDAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY  
CLOUDY. SCATTERED THUNDERSTORMS IN THE  
MORNING. SCATTERED SHOWERS. SCATTERED  
THUNDERSTORMS IN THE AFTERNOON.  
HIGH TEMPERATURE............IN THE LOWER 90S.  
WINDS.......................SOUTH 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  
 
 
 
INZ002-110915-  
PORTER-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
327 PM CDT THU JUL 10 2025  
   
REST OF TODAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WATER TEMPERATURE...........74-78.  
WEATHER.....................MOSTLY SUNNY.  
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 IN THE LATE EVENING AND  
OVERNIGHT.  
LOW TEMPERATURE.............IN THE LOWER 70S.  
WINDS.......................NORTHEAST WINDS AROUND 5 MPH, BECOMING  
SOUTH AFTER MIDNIGHT.  
   
FRIDAY  
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 FOOT OR LESS.  
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY  
CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN  
ISOLATED SHOWERS AND THUNDERSTORMS  
EARLY IN THE AFTERNOON. SCATTERED  
SHOWERS AND THUNDERSTORMS LATE.  
HIGH TEMPERATURE............AROUND 90.  
WINDS.......................SOUTH 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  
 
 
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