999
FZUS53 KLOT 090917
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
417 AM CDT SAT AUG 9 2025
ILZ006-092145-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
417 AM CDT SAT AUG 9 2025
TODAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................1 TO 2 FEET, BUILDING TO 2 TO 4 FEET.
WATER TEMPERATURE...........74-78.
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE.
HIGH TEMPERATURE............IN THE LOWER 90S.
WINDS.......................SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP
TO 25 MPH.
TONIGHT
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET, SUBSIDING TO 1 TO 3 FEET.
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF
THUNDERSTORMS.
LOW TEMPERATURE.............IN THE MID 70S.
WINDS.......................SOUTH WINDS 10 TO 15 MPH.
SUNDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTH WINDS AROUND 10 MPH.
SWIM RISK OUTLOOK
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
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
ILZ103-104-092145-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
417 AM CDT SAT AUG 9 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET, BUILDING TO 2 TO 3 FEET.
WATER TEMPERATURE...........75-79.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 90S.
WINDS.......................SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP
TO 25 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
LOW TEMPERATURE.............IN THE UPPER 70S.
WINDS.......................SOUTH WINDS 10 TO 15 MPH.
SUNDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 90S.
WINDS.......................SOUTH WINDS AROUND 10 MPH.
SWIM RISK OUTLOOK
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
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
INZ001-092145-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
417 AM CDT SAT AUG 9 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........72-76.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 90S.
WINDS.......................SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP
TO 25 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE MID 70S.
WINDS.......................SOUTH WINDS 10 TO 15 MPH.
SUNDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 90S.
WINDS.......................SOUTH WINDS AROUND 10 MPH.
SWIM RISK OUTLOOK
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
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
INZ002-092145-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
417 AM CDT SAT AUG 9 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........72-76.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 90S.
WINDS.......................SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP
TO 25 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE MID 70S.
WINDS.......................SOUTH WINDS AROUND 10 MPH.
SUNDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
SWIM RISK OUTLOOK
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
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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