031
FZUS53 KLOT 132033
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
333 PM CDT SUN SEP 13 2026
ILZ006-142045-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
333 PM CDT SUN SEP 13 2026
REST OF TODAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET.
WATER TEMPERATURE...........67-71.
WEATHER.....................MOSTLY CLOUDY. ISOLATED SHOWERS.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTHWEST WINDS 10 TO 15 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE LOWER 50S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................1 TO 3 FEET BUILDING TO 3 TO 5 FEET
TOWARD SUNSET.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTHWEST WINDS AROUND 5 MPH,
INCREASING TO EAST 10 TO 15 MPH LATE IN
THE MORNING, THEN BECOMING SOUTHEAST 15
TO 20 MPH WITH GUSTS UP TO 25 MPH IN THE
AFTERNOON.
SWIM RISK OUTLOOK
MONDAY NIGHT
HIGH SWIM RISK*.
TUESDAY
HIGH SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
MODERATE SWIM RISK*.
WEDNESDAY NIGHT
MODERATE SWIM RISK*.
THURSDAY
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
ILZ103-104-142045-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
333 PM CDT SUN SEP 13 2026
REST OF TODAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET.
WATER TEMPERATURE...........68-72.
WEATHER.....................MOSTLY CLOUDY. NUMEROUS SHOWERS.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTH WINDS 10 TO 15 MPH WITH GUSTS UP
TO 25 MPH.
TONIGHT
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE UPPER 50S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................1 TO 3 FEET BUILDING TO 3 TO 5 FEET
TOWARD SUNSET.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................NORTH WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST 10 TO 15 MPH WITH GUSTS UP TO
25 MPH IN THE LATE MORNING AND
AFTERNOON.
SWIM RISK OUTLOOK
MONDAY NIGHT
HIGH SWIM RISK*.
TUESDAY
MODERATE SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
MODERATE SWIM RISK*.
WEDNESDAY NIGHT
MODERATE SWIM RISK*.
THURSDAY
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
INZ001-142045-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
333 PM CDT SUN SEP 13 2026
..BEACH HAZARDS STATEMENT IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................3 TO 6 FEET.
WATER TEMPERATURE...........68-72.
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTH WINDS 15 TO 20 MPH.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
WEATHER.....................PARTLY CLOUDY.
LOW TEMPERATURE.............AROUND 60.
WINDS.......................NORTH WINDS 10 TO 15 MPH.
MONDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING MOSTLY
CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, INCREASING
TO 10 TO 15 WITH GUSTS UP TO 25 MPH LATE.
SWIM RISK OUTLOOK
MONDAY NIGHT
MODERATE SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
LOW SWIM RISK*.
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
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
INZ002-142045-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
333 PM CDT SUN SEP 13 2026
..BEACH HAZARDS STATEMENT IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................4 TO 7 FEET.
WATER TEMPERATURE...........68-72.
WEATHER.....................MOSTLY CLOUDY. SCATTERED SHOWERS.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTH WINDS 15 TO 20 MPH WITH GUSTS UP
TO 30 MPH.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
WEATHER.....................PARTLY CLOUDY.
LOW TEMPERATURE.............IN THE UPPER 50S.
WINDS.......................NORTH WINDS 10 TO 15 MPH.
MONDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH.
SWIM RISK OUTLOOK
MONDAY NIGHT
LOW SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
LOW SWIM RISK*.
WEDNESDAY NIGHT
LOW SWIM RISK*.
THURSDAY
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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