384
FZUS53 KLOT 200815
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
315 AM CDT SUN SEP 20 2026
ILZ006-210815-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
315 AM CDT SUN SEP 20 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 AM CDT THIS MORNING
THROUGH TUESDAY EVENING...
TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................3 TO 5 FEET BUILDING TO 7 TO 10 FEET.
WATER TEMPERATURE...........60-64.
WEATHER.....................CLOUDY. AREAS OF FOG IN THE MORNING.
SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS, MAINLY IN THE MORNING.
HIGH TEMPERATURE............IN THE UPPER 60S.
WINDS.......................WINDY. NORTHEAST WINDS 20 TO 30 MPH.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................7 TO 10 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS LATE.
LOW TEMPERATURE.............IN THE UPPER 50S.
WINDS.......................BREEZY. NORTHEAST WINDS 20 TO 30 MPH.
MONDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................7 TO 10 FEET.
WEATHER.....................CLOUDY. A CHANCE OF SHOWERS EARLY IN
THE MORNING. A SLIGHT CHANCE OF SHOWERS
IN THE LATE MORNING AND AFTERNOON.
HIGH TEMPERATURE............IN THE MID 60S.
WINDS.......................WINDY. NORTHEAST WINDS 20 TO 30 MPH.
SWIM RISK OUTLOOK
MONDAY NIGHT
HIGH SWIM RISK*.
TUESDAY
HIGH SWIM RISK*.
TUESDAY NIGHT
HIGH SWIM RISK*.
WEDNESDAY
HIGH SWIM RISK*.
WEDNESDAY NIGHT
HIGH SWIM RISK*.
THURSDAY
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
ILZ103-104-210815-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
315 AM CDT SUN SEP 20 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 AM CDT THIS MORNING
THROUGH TUESDAY EVENING...
TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................3 TO 5 FEET BUILDING TO 7 TO 10 FEET.
WATER TEMPERATURE...........64-68.
WEATHER.....................CLOUDY. AREAS OF FOG IN THE MORNING.
THUNDERSTORMS LIKELY IN THE MORNING.
SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 60S.
WINDS.......................WINDY. NORTHEAST WINDS 20 TO 30 MPH.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................7 TO 10 FEET.
WEATHER.....................CLOUDY. A SLIGHT CHANCE OF SHOWERS
EARLY IN THE EVENING. A CHANCE OF
SHOWERS LATE.
LOW TEMPERATURE.............AROUND 60.
WINDS.......................WINDY. NORTHEAST WINDS 20 TO 30 MPH.
MONDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................7 TO 10 FEET.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS
EARLY IN THE MORNING, THEN A SLIGHT
CHANCE OF SHOWERS IN THE LATE MORNING
AND AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 60S.
WINDS.......................WINDY. NORTHEAST WINDS 20 TO 30 MPH.
SWIM RISK OUTLOOK
MONDAY NIGHT
HIGH SWIM RISK*.
TUESDAY
HIGH SWIM RISK*.
TUESDAY NIGHT
HIGH SWIM RISK*.
WEDNESDAY
HIGH SWIM RISK*.
WEDNESDAY NIGHT
HIGH SWIM RISK*.
THURSDAY
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
INZ001-210815-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
315 AM CDT SUN SEP 20 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH TUESDAY EVENING...
TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................1 TO 3 FEET BUILDING TO 5 TO 8 FEET.
WATER TEMPERATURE...........63-67.
WEATHER.....................CLOUDY. AREAS OF FOG IN THE MORNING.
THUNDERSTORMS LIKELY EARLY IN THE
MORNING. SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE LATE MORNING AND
AFTERNOON.
HIGH TEMPERATURE............AROUND 70.
WINDS.......................WINDY. NORTHEAST WINDS 20 TO 30 MPH.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................5 TO 8 FEET.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE EVENING. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT, THEN A CHANCE
OF SHOWERS LATE.
LOW TEMPERATURE.............IN THE UPPER 50S.
WINDS.......................WINDY. NORTHEAST WINDS 20 TO 30 MPH.
MONDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................5 TO 8 FEET.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS
EARLY IN THE MORNING, THEN A SLIGHT
CHANCE OF SHOWERS IN THE LATE MORNING
AND AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 60S.
WINDS.......................BREEZY. NORTHEAST WINDS 20 TO 25 MPH.
SWIM RISK OUTLOOK
MONDAY NIGHT
HIGH SWIM RISK*.
TUESDAY
HIGH SWIM RISK*.
TUESDAY NIGHT
HIGH SWIM RISK*.
WEDNESDAY
HIGH SWIM RISK*.
WEDNESDAY NIGHT
HIGH 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
INZ002-210815-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
315 AM CDT SUN SEP 20 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH MONDAY MORNING...
TODAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................1 TO 3 FEET BUILDING TO 4 TO 7 FEET.
WATER TEMPERATURE...........63-67.
WEATHER.....................CLOUDY. AREAS OF DENSE FOG IN THE
MORNING. THUNDERSTORMS LIKELY EARLY IN
THE MORNING. SHOWERS. A SLIGHT CHANCE
OF THUNDERSTORMS IN THE LATE MORNING
AND AFTERNOON.
HIGH TEMPERATURE............IN THE UPPER 60S.
WINDS.......................NORTHEAST WINDS 15 TO 25 MPH.
TONIGHT
SWIM RISK*..................HIGH.
WAVE HEIGHT.................4 TO 6 FEET.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE EVENING. A SLIGHT CHANCE OF
SHOWERS LATE.
LOW TEMPERATURE.............IN THE UPPER 50S.
WINDS.......................NORTHEAST WINDS 15 TO 25 MPH.
MONDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................3 TO 5 FEET.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS
EARLY IN THE MORNING, THEN A SLIGHT
CHANCE OF SHOWERS IN THE LATE MORNING
AND AFTERNOON.
HIGH TEMPERATURE............IN THE MID 60S.
WINDS.......................NORTHEAST WINDS 15 TO 25 MPH.
SWIM RISK OUTLOOK
MONDAY NIGHT
HIGH SWIM RISK*.
TUESDAY
HIGH SWIM RISK*.
TUESDAY NIGHT
HIGH SWIM RISK*.
WEDNESDAY
HIGH SWIM RISK*.
WEDNESDAY NIGHT
HIGH 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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