243
FZUS53 KLOT 120842
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
342 AM CDT WED AUG 12 2026
ILZ006-130845-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
342 AM CDT WED AUG 12 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........72-76.
WEATHER.....................MOSTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE MORNING AND
EARLY AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING
NORTHEAST LATE.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY.
LOW TEMPERATURE.............AROUND 70.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS IN
THE LATE MORNING AND AFTERNOON. A
CHANCE OF THUNDERSTORMS EARLY IN THE
AFTERNOON, THEN A SLIGHT CHANCE OF
THUNDERSTORMS LATE.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................EAST WINDS 5 TO 10 MPH.
SWIM RISK OUTLOOK
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
MODERATE SWIM RISK*.
FRIDAY NIGHT
MODERATE SWIM RISK*.
SATURDAY
MODERATE SWIM RISK*.
SATURDAY NIGHT
MODERATE 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
ILZ103-104-130845-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
342 AM CDT WED AUG 12 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........72-76.
WEATHER.....................MOSTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING,
THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE MORNING AND
EARLY AFTERNOON. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING
WEST IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS EARLY IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE LATE MORNING
AND AFTERNOON. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................EAST WINDS 5 TO 10 MPH.
SWIM RISK OUTLOOK
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
MODERATE SWIM RISK*.
FRIDAY NIGHT
MODERATE SWIM RISK*.
SATURDAY
MODERATE 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
INZ001-130845-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
342 AM CDT WED AUG 12 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........72-76.
WEATHER.....................MOSTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN
SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON.
HIGH TEMPERATURE............AROUND 80.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS EARLY IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE LATE MORNING
AND AFTERNOON. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.
SWIM RISK OUTLOOK
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
LOW 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
INZ002-130845-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
342 AM CDT WED AUG 12 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........72-76.
WEATHER.....................MOSTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN
SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. A
SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE.
LOW TEMPERATURE.............AROUND 70.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE
MORNING, THEN A CHANCE OF SHOWERS IN
THE LATE MORNING AND AFTERNOON. A
CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................NORTHEAST WINDS 5 TO 10 MPH.
SWIM RISK OUTLOOK
THURSDAY NIGHT
LOW SWIM RISK*.
FRIDAY
LOW 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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