222
FZUS53 KLOT 241709
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
1209 PM CDT MON AUG 24 2026
ILZ006-251715-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
1209 PM CDT MON AUG 24 2026
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................2 TO 3 FEET.
WATER TEMPERATURE...........71-75.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTHEAST WINDS 10 TO 15 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................EAST WINDS AROUND 5 MPH, BECOMING
SOUTHWEST AFTER MIDNIGHT.
TUESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHWEST WINDS AROUND 5 MPH, BECOMING
SOUTH IN THE AFTERNOON.
SWIM RISK OUTLOOK
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
LOW SWIM RISK*.
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
LOW SWIM RISK*.
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
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
ILZ103-104-251715-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
1209 PM CDT MON AUG 24 2026
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................2 TO 3 FEET.
WATER TEMPERATURE...........71-75.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTHEAST WINDS 10 TO 15 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................EAST WINDS AROUND 5 MPH, BECOMING SOUTH
AFTER MIDNIGHT.
TUESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHWEST WINDS AROUND 5 MPH, BECOMING
SOUTHEAST IN THE AFTERNOON.
SWIM RISK OUTLOOK
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
LOW SWIM RISK*.
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
LOW SWIM RISK*.
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
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
INZ001-251715-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
1209 PM CDT MON AUG 24 2026
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................2 TO 3 FEET.
WATER TEMPERATURE...........72-76.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTHEAST WINDS 10 TO 15 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST AFTER MIDNIGHT.
TUESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTH WINDS AROUND 5 MPH.
SWIM RISK OUTLOOK
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
LOW SWIM RISK*.
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
LOW SWIM RISK*.
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
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
INZ002-251715-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
1209 PM CDT MON AUG 24 2026
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................2 TO 3 FEET.
WATER TEMPERATURE...........72-76.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTH WINDS 10 TO 15 MPH BECOMING
NORTHEAST.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST AFTER MIDNIGHT.
TUESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTH WINDS AROUND 5 MPH.
SWIM RISK OUTLOOK
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
LOW SWIM RISK*.
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
LOW SWIM RISK*.
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
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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