473
FZUS53 KLOT 271445
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
945 AM CDT WED AUG 27 2025
ILZ006-272115-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
945 AM CDT WED AUG 27 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........69-73.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................WEST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 3 TO 5 FEET.
WEATHER.....................MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................WEST WINDS 5 TO 10 MPH BECOMING NORTH
15 TO 25 MPH IN THE AFTERNOON.
SWIM RISK OUTLOOK
THURSDAY NIGHT
HIGH SWIM RISK*.
FRIDAY
HIGH SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
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
ILZ103-104-272115-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
945 AM CDT WED AUG 27 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........69-73.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................WEST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS.
LOW TEMPERATURE.............IN THE MID 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................HIGH.
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 3 TO 5 FEET.
WEATHER.....................MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................WEST WINDS 10 TO 15 MPH BECOMING NORTH
15 TO 25 MPH IN THE AFTERNOON.
SWIM RISK OUTLOOK
THURSDAY NIGHT
HIGH SWIM RISK*.
FRIDAY
HIGH SWIM RISK*.
FRIDAY NIGHT
MODERATE SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
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
INZ001-272115-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
945 AM CDT WED AUG 27 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
WATER TEMPERATURE...........70-74.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE UPPER 70S.
WINDS.......................WEST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS.
WEATHER.....................MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 2 TO 4 FEET.
WEATHER.....................MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTH 15 TO 25 MPH IN THE EVENING.
SWIM RISK OUTLOOK
THURSDAY NIGHT
HIGH SWIM RISK*.
FRIDAY
HIGH SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
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
INZ002-272115-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
945 AM CDT WED AUG 27 2025
REST OF TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........70-74.
WEATHER.....................MOSTLY SUNNY, THEN BECOMING PARTLY
CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................WEST WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS.
LOW TEMPERATURE.............IN THE MID 60S.
WINDS.......................SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SWIM RISK*..................MODERATE.
WAVE HEIGHT.................1 TO 3 FT BUILDING TO 2 TO 4 FEET.
WEATHER.....................MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................SOUTHWEST WINDS 10 TO 15 MPH BECOMING
NORTH 15 TO 25 MPH IN THE EVENING.
SWIM RISK OUTLOOK
THURSDAY NIGHT
HIGH SWIM RISK*.
FRIDAY
HIGH SWIM RISK*.
FRIDAY NIGHT
LOW SWIM RISK*.
SATURDAY
LOW SWIM RISK*.
SATURDAY NIGHT
LOW SWIM RISK*.
SUNDAY
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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