522
FZUS53 KLOT 181959
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
259 PM CDT FRI JUL 18 2025
ILZ006-190915-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
259 PM CDT FRI JUL 18 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........69-73.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................EAST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR, THEN BECOMING MOSTLY
CLOUDY.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................SOUTHEAST WINDS AROUND 5 MPH, BECOMING
SOUTH LATE.
SATURDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
WEST LATE.
SWIM RISK OUTLOOK
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
MODERATE SWIM RISK*.
SUNDAY NIGHT
MODERATE SWIM RISK*.
MONDAY
MODERATE SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
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
ILZ103-104-190915-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
259 PM CDT FRI JUL 18 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........69-73.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................EAST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY.
LOW TEMPERATURE.............AROUND 70.
WINDS.......................SOUTHEAST WINDS AROUND 5 MPH, BECOMING
SOUTH LATE.
SATURDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS
UP TO 20 MPH, BECOMING WEST WITH GUSTS
UP TO 20 MPH LATE.
SWIM RISK OUTLOOK
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
MODERATE SWIM RISK*.
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
MODERATE SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
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
INZ001-190915-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
259 PM CDT FRI JUL 18 2025
REST OF TODAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 3 FEET.
WATER TEMPERATURE...........69-73.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................NORTHEAST WINDS AROUND 5 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................PARTLY CLOUDY.
LOW TEMPERATURE.............AROUND 70.
WINDS.......................EAST WINDS AROUND 5 MPH, BECOMING SOUTH
AFTER MIDNIGHT.
SATURDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
AROUND 10 MPH LATE.
SWIM RISK OUTLOOK
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
LOW SWIM RISK*.
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
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
INZ002-190915-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
259 PM CDT FRI JUL 18 2025
REST OF TODAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 3 FEET.
WATER TEMPERATURE...........69-73.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTH WINDS AROUND 5 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................PARTLY CLOUDY.
LOW TEMPERATURE.............AROUND 70.
WINDS.......................NORTHEAST WINDS AROUND 5 MPH, BECOMING
SOUTH LATE.
SATURDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS IN
THE MORNING. A CHANCE OF THUNDERSTORMS.
SHOWERS LIKELY IN THE AFTERNOON.
HIGH TEMPERATURE............IN THE MID 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
SOUTHWEST IN THE AFTERNOON.
SWIM RISK OUTLOOK
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
LOW SWIM RISK*.
SUNDAY NIGHT
LOW SWIM RISK*.
MONDAY
LOW SWIM RISK*.
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
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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