237
FZUS53 KLOT 180832
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
332 AM CDT THU JUN 18 2026
ILZ006-190845-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
332 AM CDT THU JUN 18 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........58-62.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTHWEST WINDS 15 TO 20 MPH,
DIMINISHING TO 5 TO 10 MPH IN THE
AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE UPPER 50S.
WINDS.......................WEST WINDS 5 TO 10 MPH.
JUNETEENTH
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH.
SWIM RISK OUTLOOK
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
MODERATE 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
ILZ103-104-190845-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
332 AM CDT THU JUN 18 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WATER TEMPERATURE...........57-61.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTHWEST WINDS 15 TO 20 MPH,
DIMINISHING TO 5 TO 10 MPH IN THE
AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............AROUND 60.
WINDS.......................WEST WINDS 5 TO 10 MPH.
JUNETEENTH
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH.
SWIM RISK OUTLOOK
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
MODERATE 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
INZ001-190845-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
332 AM CDT THU JUN 18 2026
TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................2 TO 4 FEET.
WATER TEMPERATURE...........60-64.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................WEST WINDS 15 TO 20 MPH, BECOMING
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................NORTHWEST WINDS AROUND 5 MPH, BECOMING
WEST IN THE LATE EVENING AND OVERNIGHT.
JUNETEENTH
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTH LATE.
SWIM RISK OUTLOOK
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
MODERATE 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
INZ002-190845-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
332 AM CDT THU JUN 18 2026
..BEACH HAZARDS STATEMENT IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON
TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................4 TO 7 FEET SUBSIDING TO 1 TO 3 FT.
WATER TEMPERATURE...........60-64.
WEATHER.....................MOSTLY CLOUDY, THEN BECOMING MOSTLY
SUNNY.
HIGH TEMPERATURE............AROUND 70.
WINDS.......................WEST WINDS 15 TO 20 MPH WITH GUSTS UP
TO 30 MPH, BECOMING NORTHWEST 5 TO 10
MPH WITH GUSTS UP TO 20 MPH IN THE
AFTERNOON.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................WEST WINDS 5 TO 10 MPH.
JUNETEENTH
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY SUNNY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTH LATE.
SWIM RISK OUTLOOK
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
LOW 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
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