984  
FZUS53 KLOT 131458  
SRFLOT  
 
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES  
NATIONAL WEATHER SERVICE CHICAGO IL  
958 AM CDT SUN SEP 13 2026  
 
ILZ006-141500-  
LAKE-  
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK  
958 AM CDT SUN SEP 13 2026  
   
REST OF TODAY
 
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................2 TO 4 FEET.  
WATER TEMPERATURE...........67-71.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................NORTH WINDS 15 TO 20 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WEATHER.....................MOSTLY CLEAR.  
LOW TEMPERATURE.............IN THE MID 50S.  
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH.  
   
MONDAY
 
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................2 TO 4 FEET.  
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY  
CLOUDY.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................NORTHEAST WINDS AROUND 5 MPH,  
INCREASING TO SOUTHEAST 15 TO 20 MPH IN  
THE LATE MORNING AND AFTERNOON.  
   
SWIM RISK OUTLOOK
 
   
MONDAY NIGHT
 
HIGH SWIM RISK*.    
TUESDAY
 
HIGH SWIM RISK*.    
TUESDAY NIGHT
 
LOW SWIM RISK*.    
WEDNESDAY
 
MODERATE SWIM RISK*.    
WEDNESDAY NIGHT
 
MODERATE SWIM RISK*.    
THURSDAY
 
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  
 

 
 
ILZ103-104-141500-  
NORTHERN COOK-CENTRAL COOK-  
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT  
958 AM CDT SUN SEP 13 2026  
   
REST OF TODAY
 
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................3 TO 4 FEET.  
WATER TEMPERATURE...........68-72.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................NORTH WINDS 15 TO 20 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................2 TO 4 FEET.  
WEATHER.....................MOSTLY CLEAR.  
LOW TEMPERATURE.............IN THE UPPER 50S.  
WINDS.......................NORTH WINDS AROUND 10 MPH, BECOMING  
NORTHEAST.  
   
MONDAY
 
 
SWIM RISK*..................MODERATE.  
WAVE HEIGHT.................2 TO 4 FEET.  
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY  
CLOUDY.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH.  
   
SWIM RISK OUTLOOK
 
   
MONDAY NIGHT
 
HIGH SWIM RISK*.    
TUESDAY
 
MODERATE SWIM RISK*.    
TUESDAY NIGHT
 
LOW SWIM RISK*.    
WEDNESDAY
 
MODERATE SWIM RISK*.    
WEDNESDAY NIGHT
 
MODERATE SWIM RISK*.    
THURSDAY
 
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  
 

 
 
INZ001-141500-  
LAKE-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
958 AM CDT SUN SEP 13 2026  
   
..BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING
 
 
   
REST OF TODAY
 
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................2 TO 4 FEET BUILDING TO 3 TO 6 FEET.  
WATER TEMPERATURE...........68-72.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................NORTH WINDS 15 TO 20 MPH WITH GUSTS UP  
TO 25 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.  
WEATHER.....................MOSTLY CLEAR. ISOLATED SHOWERS EARLY IN  
THE EVENING.  
LOW TEMPERATURE.............AROUND 60.  
WINDS.......................NORTH WINDS 10 TO 15 MPH WITH GUSTS UP  
TO 20 MPH, BECOMING NORTHEAST LATE.  
   
MONDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY  
CLOUDY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH.  
   
SWIM RISK OUTLOOK
 
   
MONDAY NIGHT
 
MODERATE SWIM RISK*.    
TUESDAY
 
LOW SWIM RISK*.    
TUESDAY NIGHT
 
LOW SWIM RISK*.    
WEDNESDAY
 
MODERATE SWIM RISK*.    
WEDNESDAY NIGHT
 
LOW SWIM RISK*.    
THURSDAY
 
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  
 

 
 
INZ002-141500-  
PORTER-  
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK  
958 AM CDT SUN SEP 13 2026  
   
..BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING
 
 
   
REST OF TODAY
 
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 5 FEET BUILDING TO 4 TO 6 FEET.  
WATER TEMPERATURE...........68-72.  
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY  
CLOUDY. SCATTERED SHOWERS IN THE  
AFTERNOON.  
HIGH TEMPERATURE............IN THE LOWER 70S.  
WINDS.......................NORTH WINDS 15 TO 20 MPH WITH GUSTS UP  
TO 25 MPH.  
   
TONIGHT
 
 
SWIM RISK*..................HIGH.  
WAVE HEIGHT.................3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.  
WEATHER.....................MOSTLY CLEAR. ISOLATED SHOWERS EARLY IN  
THE EVENING.  
LOW TEMPERATURE.............IN THE UPPER 50S.  
WINDS.......................NORTH WINDS 10 TO 15 MPH, BECOMING EAST  
LATE.  
   
MONDAY
 
 
SWIM RISK*..................LOW.  
WAVE HEIGHT.................1 TO 3 FEET.  
WEATHER.....................SUNNY, THEN BECOMING PARTLY CLOUDY.  
HIGH TEMPERATURE............IN THE MID 70S.  
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH.  
   
SWIM RISK OUTLOOK
 
   
MONDAY NIGHT
 
LOW SWIM RISK*.    
TUESDAY
 
LOW SWIM RISK*.    
TUESDAY NIGHT
 
LOW SWIM RISK*.    
WEDNESDAY
 
LOW SWIM RISK*.    
WEDNESDAY NIGHT
 
LOW SWIM RISK*.    
THURSDAY
 
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  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page