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FZUS53 KLOT 040853
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
353 AM CDT Mon Aug 4 2025

ILZ006-042145-
Lake-
Including the beaches of Illinois Beach State Park
353 AM CDT Mon Aug 4 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........71-75.
Weather.....................Patchy fog early in the
                            morning. Increasing cloudiness.
High Temperature............In the upper 70s.
Winds.......................East winds 5 to 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
Low Temperature.............In the upper 60s.
Winds.......................East winds 5 to 10 mph.

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

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

$$

ILZ103-104-042145-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
353 AM CDT Mon Aug 4 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........73-77.
Weather.....................Patchy fog early in the
                            morning. Increasing cloudiness.
High Temperature............In the upper 70s.
Winds.......................East winds 5 to 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
Low Temperature.............Around 70.
Winds.......................East winds 5 to 10 mph.

.TUESDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly sunny.
High Temperature............In the upper 70s.
Winds.......................East winds 5 to 10 mph, becoming
                            northeast late.

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

$$

INZ001-042145-
Lake-
Including the beaches of Indiana Dunes National Park
353 AM CDT Mon Aug 4 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........71-75.
Weather.....................Mostly cloudy. Hazy and patchy smoke
                            early in the morning.
High Temperature............Around 80.
Winds.......................East winds 5 to 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
Low Temperature.............In the upper 60s.
Winds.......................East winds 5 to 10 mph.

.TUESDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms in the
                            afternoon.
High Temperature............Around 80.
Winds.......................East winds 5 to 10 mph.

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

$$

INZ002-042145-
Porter-
Including the beaches of Indiana Dunes National Park
353 AM CDT Mon Aug 4 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........71-75.
Weather.....................Mostly cloudy. Hazy and patchy smoke
                            early in the morning.
High Temperature............In the upper 70s.
Winds.......................East winds 5 to 10 mph.

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

.TUESDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms in the
                            afternoon.
High Temperature............In the lower 80s.
Winds.......................East winds around 5 mph.

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


$$