321
FZUS53 KLOT 120844
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
344 AM CDT TUE AUG 12 2025
ILZ006-122130-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
344 AM CDT TUE AUG 12 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........72-76.
WEATHER.....................MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY. SHOWERS AND THUNDERSTORMS
LIKELY EARLY IN THE EVENING, THEN A
SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST AFTER MIDNIGHT.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTH WINDS AROUND 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
ILZ103-104-122130-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
344 AM CDT TUE AUG 12 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........74-78.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN
SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY EARLY IN THE
EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A
SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST LATE.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTH WINDS AROUND 10 MPH, BECOMING
NORTHEAST 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
INZ001-122130-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
344 AM CDT TUE AUG 12 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........74-78.
WEATHER.....................MOSTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. SHOWERS
AND THUNDERSTORMS LIKELY IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY EARLY IN THE
EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING. A
SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST LATE.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
SUNNY. A SLIGHT CHANCE OF SHOWERS EARLY
IN THE MORNING.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTH WINDS AROUND 10 MPH.
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
INZ002-122130-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
344 AM CDT TUE AUG 12 2025
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WATER TEMPERATURE...........74-78.
WEATHER.....................MOSTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. SHOWERS
AND THUNDERSTORMS LIKELY IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY, MAINLY IN THE
EVENING.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST LATE.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
SUNNY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTH WINDS AROUND 10 MPH.
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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