201
FZUS53 KLOT 140233 AAA
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches...UPDATED
National Weather Service Chicago IL
933 PM CDT Sun Sep 13 2026

ILZ006-150245-
Lake-
Including the beaches of Illinois Beach State Park
933 PM CDT Sun Sep 13 2026

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

.MONDAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 5 to 10 mph, becoming
                            east 10 to 15 mph late in the morning,
                            then becoming southeast 15 to 20 mph in
                            the 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

$$

ILZ103-104-150245-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
933 PM CDT Sun Sep 13 2026

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly clear.
Low Temperature.............In the upper 50s.
Winds.......................Northwest winds 5 to 10 mph.

.MONDAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy.
High Temperature............In the mid 70s.
Winds.......................North winds 5 to 10 mph, becoming
                            southeast 10 to 15 mph with gusts up to
                            25 mph in the late morning and
                            afternoon.

.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...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

$$

INZ001-150245-
Lake-
Including the beaches of Indiana Dunes National Park
933 PM CDT Sun Sep 13 2026

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 3 AM CDT MONDAY...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................3 to 5 feet subsiding to 2 to 4 feet late.
Weather.....................Partly cloudy.
Low Temperature.............Around 60.
Winds.......................North winds 10 to 15 mph.

.MONDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly sunny, then becoming mostly
                            cloudy.
High Temperature............In the mid 70s.
Winds.......................East winds 5 to 10 mph, becoming
                            southeast 10 to 15 mph in the late
                            morning and afternoon.

.SWIM RISK OUTLOOK...
.MONDAY NIGHT...Moderate 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

$$

INZ002-150245-
Porter-
Including the beaches of Indiana Dunes National Park
933 PM CDT Sun Sep 13 2026

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 3 AM CDT MONDAY...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................4 to 6 feet subsiding to 2 to 4 feet late.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy.
Low Temperature.............In the upper 50s.
Winds.......................North winds 10 to 15 mph with gusts up
                            to 25 mph, becoming northeast 5 to 10
                            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.......................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


$$