764
FZUS53 KLOT 270836
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
336 AM CDT WED AUG 27 2025
ILZ006-272115-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
336 AM CDT WED AUG 27 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........69-73.
WEATHER.....................SUNNY, THEN BECOMING PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................WEST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS LATE IN THE EVENING. A CHANCE
OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 3 TO 5 FEET LATE.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................WEST WINDS 5 TO 10 MPH, INCREASING TO
NORTH 15 TO 25 MPH IN THE AFTERNOON.
SWIM RISK OUTLOOK
THURSDAY NIGHT
HIGH SWIM RISK*.
FRIDAY
HIGH SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
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
ILZ103-104-272115-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
336 AM CDT WED AUG 27 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........69-73.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
LOW TEMPERATURE.............IN THE MID 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 3 TO 5 FEET LATE.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................WEST WINDS 10 TO 15 MPH, BECOMING NORTH
15 TO 25 MPH IN THE AFTERNOON.
SWIM RISK OUTLOOK
THURSDAY NIGHT
HIGH SWIM RISK*.
FRIDAY
HIGH SWIM RISK*.
FRIDAY NIGHT
MODERATE SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
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
INZ001-272115-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
336 AM CDT WED AUG 27 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........71-75.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS LATE.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 2 TO 4 FEET LATE.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTH 15 TO 25 MPH TOWARD EVENING.
SWIM RISK OUTLOOK
THURSDAY NIGHT
HIGH SWIM RISK*.
FRIDAY
HIGH SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
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
INZ002-272115-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
336 AM CDT WED AUG 27 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........71-75.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS LATE.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 2 TO 4 FEET LATE.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTH 15 TO 25 MPH TOWARD EVENING.
SWIM RISK OUTLOOK
THURSDAY NIGHT
HIGH SWIM RISK*.
FRIDAY
HIGH SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
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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