181
FZUS53 KLOT 130802
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
302 AM CDT SUN SEP 13 2026
ILZ006-140815-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
302 AM CDT SUN SEP 13 2026
TODAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET.
WATER TEMPERATURE...........68-72.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY. SCATTERED SHOWERS IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTH WINDS 10 TO 20 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE MID 50S.
WINDS.......................NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTHEAST WINDS AROUND 5 MPH,
INCREASING TO SOUTHEAST 15 TO 20 MPH IN
THE LATE MORNING AND 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
ILZ103-104-140815-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
302 AM CDT SUN SEP 13 2026
TODAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET.
WATER TEMPERATURE...........68-72.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY. SCATTERED SHOWERS IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTH WINDS 10 TO 20 MPH.
TONIGHT
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET.
WEATHER.....................MOSTLY CLEAR.
LOW TEMPERATURE.............IN THE UPPER 50S.
WINDS.......................NORTH WINDS AROUND 10 MPH, BECOMING
NORTHEAST.
MONDAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................2 TO 4 FEET.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS
UP TO 25 MPH.
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
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
INZ001-140815-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
302 AM CDT SUN SEP 13 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................2 TO 4 FEET BUILDING TO 3 TO 6 FEET.
WATER TEMPERATURE...........67-71.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY. SCATTERED SHOWERS IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTH WINDS 10 TO 20 MPH WITH GUSTS UP
TO 25 MPH.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
WEATHER.....................MOSTLY CLEAR. ISOLATED SHOWERS EARLY IN
THE EVENING.
LOW TEMPERATURE.............AROUND 60.
WINDS.......................NORTH WINDS 10 TO 15 MPH WITH GUSTS UP
TO 20 MPH, BECOMING NORTHEAST LATE.
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
MODERATE SWIM RISK*.
TUESDAY
LOW SWIM RISK*.
TUESDAY NIGHT
LOW SWIM RISK*.
WEDNESDAY
MODERATE 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
INZ002-140815-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
302 AM CDT SUN SEP 13 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...
TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................2 TO 4 FEET BUILDING TO 3 TO 6 FEET.
WATER TEMPERATURE...........67-71.
WEATHER.....................PARTLY CLOUDY, THEN BECOMING MOSTLY
CLOUDY. SCATTERED SHOWERS IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................NORTH WINDS 10 TO 20 MPH WITH GUSTS UP
TO 25 MPH.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
WEATHER.....................MOSTLY CLEAR. ISOLATED SHOWERS EARLY IN
THE EVENING.
LOW TEMPERATURE.............IN THE UPPER 50S.
WINDS.......................NORTH WINDS 10 TO 15 MPH, BECOMING EAST
LATE.
MONDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................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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