309
FZUS53 KLOT 070849
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
349 AM CDT FRI AUG 7 2026
ILZ006-080900-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
349 AM CDT FRI AUG 7 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........70-74.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
LOW TEMPERATURE.............AROUND 70.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
WEST LATE.
SATURDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
SUNNY.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTH LATE.
SWIM RISK OUTLOOK
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
LOW SWIM RISK*.
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
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
ILZ103-104-080900-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
349 AM CDT FRI AUG 7 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........69-73.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
SUNNY.
HIGH TEMPERATURE............AROUND 80.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHEAST IN THE AFTERNOON.
SWIM RISK OUTLOOK
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
LOW SWIM RISK*.
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
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
INZ001-080900-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
349 AM CDT FRI AUG 7 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
WATER TEMPERATURE...........70-74.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY. AREAS OF FOG EARLY IN THE
MORNING.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTH WINDS AROUND 5 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................WEST WINDS 5 TO 10 MPH, BECOMING NORTH
IN THE AFTERNOON.
SWIM RISK OUTLOOK
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
LOW SWIM RISK*.
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
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
INZ002-080900-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
349 AM CDT FRI AUG 7 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
WATER TEMPERATURE...........70-74.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY. AREAS OF FOG EARLY IN THE
MORNING.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTH WINDS AROUND 5 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE LATE
EVENING AND OVERNIGHT.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING MOSTLY
SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................WEST WINDS 5 TO 10 MPH, BECOMING NORTH
IN THE AFTERNOON.
SWIM RISK OUTLOOK
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
LOW SWIM RISK*.
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
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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