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FZUS53 KLOT 232015
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
315 PM CDT Sun Aug 23 2026

ILZ006-242015-
Lake-
Including the beaches of Illinois Beach State Park
315 PM CDT Sun Aug 23 2026

.REST OF TODAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Water Temperature...........71-75.
Weather.....................Partly cloudy.
High Temperature............In the mid 70s.
Winds.......................Northwest winds 10 to 20 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly clear.
Low Temperature.............In the upper 50s.
Winds.......................Northwest winds 5 to 10 mph.

.MONDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly sunny.
High Temperature............In the mid 70s.
Winds.......................Northwest winds 5 to 10 mph, becoming
                            north late.

.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

$$

ILZ103-104-242015-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
315 PM CDT Sun Aug 23 2026

.REST OF TODAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Water Temperature...........71-75.
Weather.....................Partly cloudy.
High Temperature............In the mid 70s.
Winds.......................Northeast winds 10 to 15 mph with
                            gusts up to 20 mph.

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet subsiding to 1 to 3 ft.
Weather.....................Mostly clear.
Low Temperature.............Around 60.
Winds.......................Northeast winds around 10 mph becoming,
                            northwest and diminishing to around 5
                            mph 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.......................Northwest winds around 5 mph, becoming
                            north in the afternoon.

.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

$$

INZ001-242015-
Lake-
Including the beaches of Indiana Dunes National Park
315 PM CDT Sun Aug 23 2026

.REST OF TODAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Water Temperature...........69-73.
Weather.....................Partly cloudy.
High Temperature............In the mid 70s.
Winds.......................Northeast winds around 10 mph with
                            gusts up to 20 mph.

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly clear.
Low Temperature.............In the lower 60s.
Winds.......................North winds 10 to 15 mph, becoming
                            northwest around 5 mph 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.......................Northwest winds around 5 mph, becoming
                            north in the afternoon.

.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

$$

INZ002-242015-
Porter-
Including the beaches of Indiana Dunes National Park
315 PM CDT Sun Aug 23 2026

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.REST OF TODAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Water Temperature...........69-73.
Weather.....................Mostly sunny.
High Temperature............In the mid 70s.
Winds.......................Northwest winds 10 to 20 mph.

.TONIGHT...
Swim Risk*..................High.
Wave Height.................3 to 5 feet subsiding to 2 to 4 feet.
Weather.....................Mostly clear.
Low Temperature.............In the lower 60s.
Winds.......................Northwest winds 10 to 15 mph.

.MONDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly sunny.
High Temperature............In the lower 70s.
Winds.......................Northwest winds around 5 mph, becoming
                            north around 5 mph late.

.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


$$