909
FZUS53 KLOT 290900
SRFLOT
SURF ZONE FORECAST FOR LAKE MICHIGAN BEACHES
NATIONAL WEATHER SERVICE CHICAGO IL
400 AM CDT TUE SEP 29 2026
ILZ006-300900-
LAKE-
INCLUDING THE BEACHES OF ILLINOIS BEACH STATE PARK
400 AM CDT TUE SEP 29 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 FOOT OR LESS BUILDING TO 1 TO 2 FEET.
WATER TEMPERATURE...........62-66.
WEATHER.....................AREAS OF FOG IN THE MORNING. MOSTLY
SUNNY THEN BECOMING PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST 10 TO 15 MPH LATE.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. A CHANCE OF SHOWERS
LATE.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
SOUTHWEST LATE.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 3 FEET.
WEATHER.....................CLOUDY. A CHANCE OF SHOWERS EARLY IN
THE MORNING, THEN SHOWERS IN THE LATE
MORNING AND AFTERNOON.
HIGH TEMPERATURE............AROUND 70.
WINDS.......................SOUTH WINDS 10 TO 15 MPH.
SWIM RISK OUTLOOK
WEDNESDAY NIGHT
LOW SWIM RISK*.
NOTE: THE FINAL BEACH FORECAST OF THE 2026 SEASON WILL BE ISSUED
ON WEDNESDAY, SEPTEMBER 30.
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
ILZ103-104-300900-
NORTHERN COOK-CENTRAL COOK-
INCLUDING THE BEACHES OF CHICAGO PARK DISTRICT
400 AM CDT TUE SEP 29 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........61-65.
WEATHER.....................PATCHY FOG IN THE MORNING. MOSTLY SUNNY
THEN BECOMING PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
SOUTHEAST LATE.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS LATE.
LOW TEMPERATURE.............IN THE MID 60S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH, BECOMING
AROUND 10 MPH LATE.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................1 TO 2 FEET.
WEATHER.....................CLOUDY. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY IN THE
AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................SOUTH WINDS AROUND 10 MPH.
SWIM RISK OUTLOOK
WEDNESDAY NIGHT
LOW SWIM RISK*.
NOTE: THE FINAL BEACH FORECAST OF THE 2026 SEASON WILL BE ISSUED
ON WEDNESDAY, SEPTEMBER 30.
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
INZ001-300900-
LAKE-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
400 AM CDT TUE SEP 29 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........59-63.
WEATHER.....................PATCHY FOG IN THE MORNING. MOSTLY SUNNY
THEN BECOMING PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTH WINDS 5 TO 10 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING
SOUTH AFTER MIDNIGHT.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS EARLY IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE LATE MORNING
AND AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................SOUTH WINDS AROUND 10 MPH.
SWIM RISK OUTLOOK
WEDNESDAY NIGHT
LOW SWIM RISK*.
NOTE: THE FINAL BEACH FORECAST OF THE 2026 SEASON WILL BE ISSUED
ON WEDNESDAY, SEPTEMBER 30.
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
INZ002-300900-
PORTER-
INCLUDING THE BEACHES OF INDIANA DUNES NATIONAL PARK
400 AM CDT TUE SEP 29 2026
TODAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WATER TEMPERATURE...........59-63.
WEATHER.....................PATCHY FOG IN THE MORNING. MOSTLY SUNNY
THEN BECOMING PARTLY CLOUDY.
HIGH TEMPERATURE............IN THE MID 70S.
WINDS.......................SOUTH WINDS AROUND 5 MPH.
TONIGHT
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY.
LOW TEMPERATURE.............IN THE LOWER 60S.
WINDS.......................SOUTHEAST WINDS 5 TO 10 MPH, BECOMING
SOUTH AFTER MIDNIGHT.
WEDNESDAY
SWIM RISK*..................LOW.
WAVE HEIGHT.................AROUND 1 FOOT.
WEATHER.....................MOSTLY CLOUDY. A SLIGHT CHANCE OF
SHOWERS EARLY IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE LATE MORNING
AND AFTERNOON.
HIGH TEMPERATURE............IN THE LOWER 70S.
WINDS.......................SOUTH WINDS AROUND 10 MPH.
SWIM RISK OUTLOOK
WEDNESDAY NIGHT
LOW SWIM RISK*.
NOTE: THE FINAL BEACH FORECAST OF THE 2026 SEASON WILL BE ISSUED
ON WEDNESDAY, SEPTEMBER 30.
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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