388
FZUS53 KLOT 200247
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
947 PM CDT Sat Jul 19 2025

ILZ006-200930-
Lake-
Including the beaches of Illinois Beach State Park
947 PM CDT Sat Jul 19 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
MONDAY MORNING...

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................1 to 2 feet building to 2 to 4 feet.
Water Temperature...........70-74.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy.
Low Temperature.............In the upper 60s.
Winds.......................Southwest winds around 5 mph, becoming
                            north 10 to 20 mph late.

.SUNDAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Weather.....................Mostly cloudy. A slight chance of
                            showers until late afternoon.
High Temperature............In the lower 70s.
Winds.......................Northeast winds 10 to 15 mph with gusts
                            up to 25 mph.

.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...High swim risk*.
.MONDAY...High 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

$$

ILZ103-104-200930-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
947 PM CDT Sat Jul 19 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 AM CDT SUNDAY THROUGH
MONDAY MORNING...

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................1 to 2 feet building to 2 to 4 feet.
Water Temperature...........70-74.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy.
Low Temperature.............Around 70.
Winds.......................West winds 5 to 10 mph, becoming north
                            10 to 20 mph late.

.SUNDAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Weather.....................Mostly cloudy. A chance of showers and
                            a slight chance of thunderstorms.
High Temperature............In the mid 70s.
Winds.......................Northeast winds 10 to 20 mph.

.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...High swim risk*.
.MONDAY...High 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

$$

INZ001-200930-
Lake-
Including the beaches of Indiana Dunes National Park
947 PM CDT Sat Jul 19 2025

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........73-77.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy.
Low Temperature.............In the lower 70s.
Winds.......................West winds around 5 mph, becoming
                            northwest 10 to 15 mph late.

.SUNDAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Cloudy. A chance of showers and a
                            slight chance of thunderstorms.
High Temperature............In the mid 70s.
Winds.......................North winds 10 to 15 mph.

.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Moderate swim risk*.
.MONDAY...Moderate 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

$$

INZ002-200930-
Porter-
Including the beaches of Indiana Dunes National Park
947 PM CDT Sat Jul 19 2025

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........73-77.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy.
Low Temperature.............In the lower 70s.
Winds.......................West winds 5 to 10 mph, becoming
                            northwest 10 to 15 mph late.

.SUNDAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly cloudy. A slight chance of
                            showers early in the morning, then a
                            chance of showers and a slight chance
                            of thunderstorms in the late morning
                            and afternoon.
High Temperature............In the upper 70s.
Winds.......................North winds 10 to 15 mph.

.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Moderate 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


$$