153
FZUS53 KLOT 131001 CCA
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches...CORRECTED
National Weather Service Chicago IL
501 AM CDT Wed Aug 13 2025

ILZ006-132200-
Lake-
Including the beaches of Illinois Beach State Park
501 AM CDT Wed Aug 13 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less, building to 1 to 3 feet
                            in the afternoon.
Water Temperature...........73-77.
Weather.....................Mostly sunny.
High Temperature............In the upper 70s.
Winds.......................North winds 5 to 10 mph, becoming
                            northeast around 15 mph in the afternoon.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly clear.
Low Temperature.............In the mid 60s.
Winds.......................North winds 5 to 10 mph.

.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly sunny.
High Temperature............In the upper 70s.
Winds.......................Northeast winds 5 to 10 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

$$

ILZ103-104-132200-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
501 AM CDT Wed Aug 13 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less, building to 1 to 3 feet
                            in the afternoon.
Water Temperature...........73-77.
Weather.....................Mostly sunny.
High Temperature............In the upper 70s.
Winds.......................North winds 5 to 10 mph, becoming
                            northeast around 15 mph in the afternoon.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly clear.
Low Temperature.............In the upper 60s.
Winds.......................Northeast winds 5 to 10 mph.

.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Sunny.
High Temperature............In the upper 70s.
Winds.......................Northeast winds 5 to 10 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

$$

INZ001-132200-
Lake-
Including the beaches of Indiana Dunes National Park
501 AM CDT Wed Aug 13 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less, building to 2 to 3 feet
                            in the afternoon.
Water Temperature...........75-79.
Weather.....................Partly cloudy, then becoming mostly
                            sunny. Patchy fog early in the morning.
High Temperature............In the upper 70s.
Winds.......................North winds 5 to 10 mph, becoming
                            northeast around 15 mph in the afternoon.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly clear.
Low Temperature.............Around 70.
Winds.......................Northeast winds 5 to 10 mph.

.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Sunny.
High Temperature............In the upper 70s.
Winds.......................Northeast winds 5 to 10 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

$$

INZ002-132200-
Porter-
Including the beaches of Indiana Dunes National Park
501 AM CDT Wed Aug 13 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet, building to 2 to 3 feet
                            in the afternoon.
Water Temperature...........75-79.
Weather.....................Partly cloudy, then becoming mostly
                            sunny. Patchy fog early in the morning.
High Temperature............In the upper 70s.
Winds.......................North winds 5 to 10 mph, becoming
                            northeast around 15 mph in the afternoon.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly clear.
Low Temperature.............In the upper 60s.
Winds.......................Northeast winds 5 to 10 mph.

.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Sunny.
High Temperature............In the upper 70s.
Winds.......................Northeast winds 5 to 10 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


$$