779
FZUS53 KLOT 302118
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
418 PM CDT THU JUL 30 2026
ILZ006-312130-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
418 PM CDT THU JUL 30 2026
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........68-72.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTHEAST WINDS AROUND 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS EARLY IN THE AFTERNOON. A
CHANCE OF SHOWERS LATE.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST 10 TO 15 MPH IN THE
AFTERNOON.
SWIM RISK OUTLOOK
FRIDAY NIGHT
HIGH SWIM RISK*.
SATURDAY
HIGH SWIM RISK*.
SATURDAY NIGHT
HIGH SWIM RISK*.
SUNDAY
HIGH SWIM RISK*.
SUNDAY NIGHT
HIGH SWIM RISK*.
MONDAY
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
ILZ103-104-312130-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
418 PM CDT THU JUL 30 2026
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........70-74.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTHEAST WINDS AROUND 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY.
LOW TEMPERATURE.............AROUND 70.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING
SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS EARLY IN THE AFTERNOON. A
CHANCE OF SHOWERS LATE.
HIGH TEMPERATURE............AROUND 80.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST WITH GUSTS UP TO 20 MPH IN
THE AFTERNOON.
SWIM RISK OUTLOOK
FRIDAY NIGHT
HIGH SWIM RISK*.
SATURDAY
HIGH SWIM RISK*.
SATURDAY NIGHT
HIGH SWIM RISK*.
SUNDAY
HIGH SWIM RISK*.
SUNDAY NIGHT
HIGH SWIM RISK*.
MONDAY
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
INZ001-312130-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
418 PM CDT THU JUL 30 2026
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........70-74.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................EAST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................EAST WINDS 5 TO 10 MPH, BECOMING SOUTH
IN THE LATE EVENING AND OVERNIGHT.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS
LATE.
HIGH TEMPERATURE............IN THE LOWER 80S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST LATE.
SWIM RISK OUTLOOK
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
HIGH SWIM RISK*.
SATURDAY NIGHT
HIGH SWIM RISK*.
SUNDAY
HIGH SWIM RISK*.
SUNDAY NIGHT
HIGH SWIM RISK*.
MONDAY
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
INZ002-312130-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
418 PM CDT THU JUL 30 2026
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........70-74.
WEATHER.....................PARTLY CLOUDY.
HIGH TEMPERATURE............AROUND 80.
WINDS.......................NORTHEAST WINDS AROUND 5 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY.
LOW TEMPERATURE.............IN THE UPPER 60S.
WINDS.......................SOUTHEAST WINDS AROUND 5 MPH, BECOMING
SOUTH AFTER MIDNIGHT.
FRIDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING CLOUDY. A
CHANCE OF SHOWERS LATE.
HIGH TEMPERATURE............AROUND 80.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
SWIM RISK OUTLOOK
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
HIGH SWIM RISK*.
SATURDAY NIGHT
HIGH SWIM RISK*.
SUNDAY
HIGH SWIM RISK*.
SUNDAY NIGHT
HIGH SWIM RISK*.
MONDAY
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
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