517
FZUS53 KLOT 240237 AAA
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches...UPDATED
National Weather Service Chicago IL
937 PM CDT Wed Jul 23 2025

ILZ006-240915-
Lake-
Including the beaches of Illinois Beach State Park
937 PM CDT Wed Jul 23 2025

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........69-73.
Weather.....................Mostly clear.
Low Temperature.............In the upper 70s.
Winds.......................Southwest winds around 10 mph.

.THURSDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms late in the
                            morning. A chance of showers and
                            thunderstorms in the afternoon.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 10 to 15 mph.

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

$$

ILZ103-104-240915-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
937 PM CDT Wed Jul 23 2025

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........70-74.
Weather.....................Mostly clear.
Low Temperature.............In the upper 70s.
Winds.......................South winds around 10 mph.

.THURSDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms late in the
                            morning. A chance of showers and
                            thunderstorms in the afternoon.
High Temperature............In the mid 90s.
Winds.......................Southwest winds 10 to 15 mph.

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

$$

INZ001-240915-
Lake-
Including the beaches of Indiana Dunes National Park
937 PM CDT Wed Jul 23 2025

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........69-73.
Weather.....................Mostly clear.
Low Temperature.............In the upper 70s.
Winds.......................South winds around 10 mph.

.THURSDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly sunny, then becoming partly
                            cloudy. A chance of showers and
                            thunderstorms in the afternoon.
High Temperature............In the mid 90s.
Winds.......................Southwest winds 10 to 15 mph.

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

$$

INZ002-240915-
Porter-
Including the beaches of Indiana Dunes National Park
937 PM CDT Wed Jul 23 2025

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........69-73.
Weather.....................Mostly clear.
Low Temperature.............In the upper 70s.
Winds.......................South winds around 10 mph.

.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly sunny, then becoming partly
                            cloudy. A chance of showers and
                            thunderstorms in the afternoon.
High Temperature............In the mid 90s.
Winds.......................Southwest winds 10 to 15 mph, becoming
                            west late.

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


$$