264
FZUS53 KLOT 311612
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
1112 AM CDT FRI JUL 31 2026
ILZ006-011615-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
1112 AM CDT FRI JUL 31 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
MORNING...
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........69-73.
WEATHER.....................MOSTLY CLOUDY. SHOWERS IN THE AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST 10 TO 15 MPH IN THE
AFTERNOON.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................4 TO 7 FEET.
WEATHER.....................CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................BREEZY. SOUTH WINDS AROUND 15 MPH,
BECOMING EAST 15 TO 25 MPH IN THE LATE
EVENING AND OVERNIGHT.
SATURDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................6 TO 9 FEET.
WEATHER.....................CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................BREEZY. NORTHEAST WINDS 20 TO 25 MPH
WITH GUSTS UP TO 35 MPH.
SWIM RISK OUTLOOK
SATURDAY NIGHT
HIGH SWIM RISK*.
SUNDAY
HIGH SWIM RISK*.
SUNDAY NIGHT
HIGH SWIM RISK*.
MONDAY
MODERATE 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
ILZ103-104-011615-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
1112 AM CDT FRI JUL 31 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
MORNING...
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........70-74.
WEATHER.....................MOSTLY CLOUDY. SHOWERS IN THE AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................4 TO 7 FEET.
WEATHER.....................CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................BREEZY. SOUTH WINDS AROUND 15 MPH,
BECOMING EAST 15 TO 25 MPH IN THE LATE
EVENING AND OVERNIGHT.
SATURDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................6 TO 9 FEET.
WEATHER.....................CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................WINDY. EAST WINDS 20 TO 25 MPH,
BECOMING NORTHEAST 20 TO 30 MPH LATE.
SWIM RISK OUTLOOK
SATURDAY NIGHT
HIGH SWIM RISK*.
SUNDAY
HIGH SWIM RISK*.
SUNDAY NIGHT
HIGH SWIM RISK*.
MONDAY
HIGH 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
INZ001-011615-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
1112 AM CDT FRI JUL 31 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM SATURDAY MORNING THROUGH
MONDAY MORNING...
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........71-75.
WEATHER.....................MOSTLY CLOUDY. SHOWERS LIKELY IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................3 TO 5 FEET.
WEATHER.....................CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................SOUTH WINDS 10 TO 15 MPH, BECOMING EAST
15 TO 20 MPH IN THE LATE EVENING AND
OVERNIGHT.
SATURDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................5 TO 8 FEET.
WEATHER.....................CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................BREEZY. EAST WINDS 15 TO 20 MPH,
BECOMING NORTHEAST 15 TO 25 MPH LATE.
SWIM RISK OUTLOOK
SATURDAY NIGHT
HIGH SWIM RISK*.
SUNDAY
HIGH SWIM RISK*.
SUNDAY NIGHT
HIGH SWIM RISK*.
MONDAY
HIGH 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
INZ002-011615-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
1112 AM CDT FRI JUL 31 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM SATURDAY MORNING THROUGH
MONDAY MORNING...
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........71-75.
WEATHER.....................MOSTLY CLOUDY. SHOWERS LIKELY IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................SOUTH WINDS AROUND 10 MPH, BECOMING
EAST IN THE LATE EVENING AND OVERNIGHT.
SATURDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................4 TO 6 FEET.
WEATHER.....................CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................EAST WINDS AROUND 15 MPH, BECOMING
NORTHEAST LATE.
SWIM RISK OUTLOOK
SATURDAY NIGHT
HIGH SWIM RISK*.
SUNDAY
HIGH SWIM RISK*.
SUNDAY NIGHT
HIGH SWIM RISK*.
MONDAY
HIGH 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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