513
FZUS53 KLOT 040002
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
702 PM CDT Wed Sep 3 2025

ILZ006-040945-
Lake-
Including the beaches of Illinois Beach State Park
702 PM CDT Wed Sep 3 2025

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........67-71.
Weather.....................Mostly cloudy.
Low Temperature.............Around 50.
Winds.......................Northwest winds 10 to 20 mph with
                            gusts to 25 mph, diminishing to
                            around 10 mph late.

.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Partly cloudy.
High Temperature............In the upper 60s.
Winds.......................Northwest winds around 10 mph
                            becoming west 10 to 15 mph with
                            gusts to 20 mph in the afternoon.

.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...Moderate swim risk*.
.FRIDAY...Moderate 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

$$

ILZ103-104-040945-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
702 PM CDT Wed Sep 3 2025

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................1 to 3 feet building to 2 to 4 feet.
Water Temperature...........67-71.
Weather.....................Mostly cloudy.
Low Temperature.............In the lower 50s.
Winds.......................Northwest winds 10 to 20 mph with
                            gusts to 25 mph, diminishing to
                            around 10 mph late.

.THURSDAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet subsiding to 1 to 3 feet
                            in the afternoon.
Weather.....................Partly cloudy.
High Temperature............In the upper 60s.
Winds.......................Northwest winds around 10 mph
                            becoming west 10 to 15 mph with
                            gusts to 20 mph in the afternoon.

.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...Moderate swim risk*.
.FRIDAY...Moderate 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

$$

INZ001-040945-
Lake-
Including the beaches of Indiana Dunes National Park
702 PM CDT Wed Sep 3 2025

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THURSDAY AFTERNOON...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................2 to 4 feet building to 4 to 6 feet.
Water Temperature...........70-74.
Weather.....................Cloudy. Showers likely and a chance of
                            thunderstorms mainly early in the evening.
Low Temperature.............In the mid 50s.
Winds.......................Northwest winds 15 to 20 mph with a few
                            gusts to 30 mph diminishing to 10 to 15
                            mph late.

.THURSDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet subsiding to 1 to 3 ft in
                            the afternoon.
Weather.....................Partly cloudy.
High Temperature............In the upper 60s.
Winds.......................Northwest winds 15 to 20 mph, becoming
                            west 10 to 15 mph in the afternoon.

.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...Moderate swim risk*.
.FRIDAY...Moderate 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

$$

INZ002-040945-
Porter-
Including the beaches of Indiana Dunes National Park
702 PM CDT Wed Sep 3 2025

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THURSDAY AFTERNOON...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................3 to 5 feet building to 4 to 7 feet.
Water Temperature...........70-74.
Weather.....................Cloudy. Showers likely and a chance of
                            thunderstorms mainly early in the evening.
Low Temperature.............In the upper 50s.
Winds.......................Northwest winds 15 to 20 mph with a few
                            gusts to 30 mph diminishing to 10 to 15
                            mph late.

.THURSDAY...
Swim Risk*..................High.
Wave Height.................4 to 6 feet subsiding to 2 to 4 feet
                            late in the afternoon.
Weather.....................Partly cloudy.
High Temperature............In the upper 60s.
Winds.......................Northwest winds 15 to 20 mph, becoming
                            west 10 to 15 mph in the afternoon.

.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...Moderate 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


$$