946
FZUS53 KLOT 100724
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
224 AM CDT THU SEP 10 2026
ILZ006-110730-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
224 AM CDT THU SEP 10 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........69-73.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY LATE.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTH WINDS 5 TO 10 MPH, BECOMING
NORTHEAST LATE.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................EAST WINDS AROUND 5 MPH, BECOMING SOUTH
AROUND 5 MPH AFTER MIDNIGHT.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTH WINDS AROUND 5 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
MODERATE SWIM RISK*.
MONDAY
HIGH 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
ILZ103-104-110730-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
224 AM CDT THU SEP 10 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........70-74.
WEATHER.....................MOSTLY CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTH WINDS 5 TO 10 MPH, BECOMING
NORTHEAST LATE.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE MID 60S.
WINDS.......................EAST WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST LATE.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING
EAST LATE.
SWIM RISK OUTLOOK
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
LOW SWIM RISK*.
SUNDAY NIGHT
MODERATE SWIM RISK*.
MONDAY
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
INZ001-110730-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
224 AM CDT THU SEP 10 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........64-68.
WEATHER.....................MOSTLY CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTH WINDS 5 TO 10 MPH, BECOMING
NORTHEAST LATE.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................EAST WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST LATE.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................EAST WINDS AROUND 5 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
INZ002-110730-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
224 AM CDT THU SEP 10 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........64-68.
WEATHER.....................MOSTLY CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTH WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE UPPER 50S.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH, BECOMING
EAST AFTER MIDNIGHT.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHEAST WINDS AROUND 5 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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