205
FZUS53 KLOT 122010
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
310 PM CDT TUE AUG 12 2025
ILZ006-130945-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
310 PM CDT TUE AUG 12 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........73-77.
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS LATE THIS AFTERNOON.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
WEST AFTER MIDNIGHT.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTH WINDS 5 TO 10 MPH, BECOMING
NORTHEAST IN THE AFTERNOON.
SWIM RISK OUTLOOK
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
LOW SWIM RISK*.
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
LOW SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
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
ILZ103-104-130945-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
310 PM CDT TUE AUG 12 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........73-77.
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS AND
THUNDERSTORMS LATE THIS AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTHEAST WINDS AROUND 10 MPH, THOUGH VARIABLE
AROUND THUNDERSTORMS.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS EARLY IN THE EVENING,
THEN SCATTERED SHOWERS WITH ISOLATED
THUNDERSTORMS LATE IN THE EVENING.
ISOLATED SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT.
LOW TEMPERATURE.............AROUND 70.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
WEST AFTER MIDNIGHT.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTH WINDS 5 TO 10 MPH, BECOMING
NORTHEAST IN THE AFTERNOON.
SWIM RISK OUTLOOK
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
LOW SWIM RISK*.
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
LOW SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
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
INZ001-130945-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
310 PM CDT TUE AUG 12 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........75-79.
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS AND
THUNDERSTORMS LATE THIS AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, THOUGH VARIABLE
AROUND THUNDERSTORMS.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A
SLIGHT CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS AFTER MIDNIGHT.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
WEST LATE.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTH WINDS 5 TO 10 MPH, BECOMING
AROUND 10 MPH LATE.
SWIM RISK OUTLOOK
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
LOW SWIM RISK*.
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
LOW SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
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
INZ002-130945-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
310 PM CDT TUE AUG 12 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........75-79.
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS AND
THUNDERSTORMS LATE THIS AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 80S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MP, THOUGH VARIABLE
AROUND THUNDERSTORMS.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS AND
THUNDERSTORMS, THEN A
SLIGHT CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS AFTER MIDNIGHT.
LOW TEMPERATURE.............AROUND 70.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
WEST LATE.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTH LATE.
SWIM RISK OUTLOOK
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
LOW SWIM RISK*.
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
LOW SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
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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