742
FZUS53 KLOT 071547
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
1047 AM CDT THU AUG 7 2025
ILZ006-072130-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
1047 AM CDT THU AUG 7 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........73-77.
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING
SOUTH AFTER MIDNIGHT.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING,
THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE MORNING AND
EARLY AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTH WINDS 10 TO 15 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
ILZ103-104-072130-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
1047 AM CDT THU AUG 7 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........74-78.
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND
OVERNIGHT.
LOW TEMPERATURE.............IN THE MID 70S.
WINDS.......................SOUTH WINDS 10 TO 15 MPH, DIMINISHING
TO 5 TO 10 MPH LATE.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING,
THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE MORNING AND
EARLY AFTERNOON.
HIGH TEMPERATURE............AROUND 90.
WINDS.......................SOUTH WINDS 10 TO 15 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
INZ001-072130-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
1047 AM CDT THU AUG 7 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........72-76.
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING,
THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE MORNING AND
EARLY AFTERNOON.
HIGH TEMPERATURE............AROUND 90.
WINDS.......................SOUTH WINDS 5 TO 10 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
INZ002-072130-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
1047 AM CDT THU AUG 7 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........72-76.
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING,
THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE MORNING AND
EARLY AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTH WINDS 5 TO 10 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page