870
FZUS53 KLOT 150751
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
251 AM CDT SAT AUG 15 2026
ILZ006-160800-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
251 AM CDT SAT AUG 15 2026
TODAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET.
WATER TEMPERATURE...........71-75.
WEATHER.....................CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................EAST WINDS 10 TO 15 MPH WITH GUSTS
UP TO 20 MPH BECOMING SOUTHEAST THIS AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A CHANCE
OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING
SOUTHWEST AFTER MIDNIGHT.
SUNDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................WEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST LATE.
SWIM RISK OUTLOOK
SUNDAY NIGHT
MODERATE SWIM RISK*.
MONDAY
MODERATE SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
MODERATE 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
ILZ103-104-160800-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
251 AM CDT SAT AUG 15 2026
TODAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET.
WATER TEMPERATURE...........71-75.
WEATHER.....................CLOUDY. SHOWERS AND A CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE AFTERNOON.
HIGH TEMPERATURE............AROUND 80.
WINDS.......................EAST WINDS 10 TO 15 MPH BECOMING SOUTHEAST
LATER THIS MORNING.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT.
LOW TEMPERATURE.............IN THE MID 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS MAINLY IN THE MORNING.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................WEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST IN THE AFTERNOON.
SWIM RISK OUTLOOK
SUNDAY NIGHT
MODERATE SWIM RISK*.
MONDAY
MODERATE SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
MODERATE 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
INZ001-160800-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
251 AM CDT SAT AUG 15 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........71-75.
WEATHER.....................CLOUDY. SHOWERS WITH AN CHANCE OF
THUNDERSTORMS IN THE MORNING. CHANCE
OF SHOWERS IN THE AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH BECOMING SOUTH
AROUND 10 TO 15 MPH THIS AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS MAINLY IN THE MORNING.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................WEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST IN THE AFTERNOON.
SWIM RISK OUTLOOK
SUNDAY NIGHT
MODERATE SWIM RISK*.
MONDAY
MODERATE SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
HIGH 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
INZ002-160800-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
251 AM CDT SAT AUG 15 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........71-75.
WEATHER.....................CLOUDY. SHOWERS WITH A CHANCE OF
THUNDERSTORMS THIS MORNING. A CHANCE
OF SHOWERS IN THE AFTERNOON
HIGH TEMPERATURE............AROUND 80.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH BECOMING SOUTH
10 TO 15 MPH IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT.
LOW TEMPERATURE.............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
SUNDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE MORNING.
HIGH TEMPERATURE............AROUND 80.
WINDS.......................WEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST IN THE AFTERNOON.
SWIM RISK OUTLOOK
SUNDAY NIGHT
MODERATE SWIM RISK*.
MONDAY
MODERATE SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
HIGH 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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