159
FZUS53 KLOT 240806
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
306 AM CDT MON AUG 24 2026
ILZ006-250815-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
306 AM CDT MON AUG 24 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........71-75.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHEAST IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................EAST WINDS 5 TO 10 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 5 TO 10 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
ILZ103-104-250815-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
306 AM CDT MON AUG 24 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........71-75.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHEAST IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................EAST WINDS 5 TO 10 MPH, BECOMING SOUTH
AFTER MIDNIGHT.
TUESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 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
INZ001-250815-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
306 AM CDT MON AUG 24 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........69-73.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST BY MID-MORNING, THEN NORTH
IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................EAST WINDS 5 TO 10 MPH, BECOMING SOUTH
AFTER MIDNIGHT.
TUESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTH WINDS 5 TO 10 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
INZ002-250815-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
306 AM CDT MON AUG 24 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........69-73.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST BY MID-MORNING, THEN NORTH
IN THE AFTERNOON.
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 5 TO 10 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page