784
FZUS53 KLOT 122009
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
309 PM CDT Sat Jul 12 2025

ILZ006-130915-
Lake-
Including the beaches of Illinois Beach State Park
309 PM CDT Sat Jul 12 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........69-73.
Weather.....................Partly cloudy. A slight chance of
                            showers.
High Temperature............In the lower 80s.
Winds.......................West winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly clear. A slight chance of
                            showers early in the evening.
Low Temperature.............In the mid 60s.
Winds.......................West winds 5 to 10 mph.

.SUNDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy.
High Temperature............In the lower 80s.
Winds.......................West winds around 5 mph, becoming south
                            in the afternoon.

.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...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

$$

ILZ103-104-130915-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
309 PM CDT Sat Jul 12 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........71-75.
Weather.....................Partly cloudy. A slight chance of
                            showers.
High Temperature............In the lower 80s.
Winds.......................Southwest winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly clear. A slight chance of
                            showers early in the evening.
Low Temperature.............In the upper 60s.
Winds.......................West winds 5 to 10 mph.

.SUNDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy.
High Temperature............In the lower 80s.
Winds.......................Northwest winds around 5 mph, becoming
                            northeast in the afternoon.

.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...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

$$

INZ001-130915-
Lake-
Including the beaches of Indiana Dunes National Park
309 PM CDT Sat Jul 12 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........74-78.
Weather.....................Partly cloudy. A slight chance of
                            showers.
High Temperature............In the mid 80s.
Winds.......................Southwest winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly clear. A slight chance of
                            showers early in the evening.
Low Temperature.............Around 70.
Winds.......................West winds 5 to 10 mph.

.SUNDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy.
High Temperature............In the mid 80s.
Winds.......................Northwest winds around 5 mph, becoming
                            northeast in the afternoon.

.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...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

$$

INZ002-130915-
Porter-
Including the beaches of Indiana Dunes National Park
309 PM CDT Sat Jul 12 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........74-78.
Weather.....................Partly cloudy. A slight chance of
                            showers.
High Temperature............In the lower 80s.
Winds.......................West winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly clear. A slight chance of
                            showers early in the evening.
Low Temperature.............In the lower 70s.
Winds.......................West winds 5 to 10 mph.

.SUNDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
High Temperature............In the lower 80s.
Winds.......................Northwest winds around 5 mph.

.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...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


$$