462
FZUS53 KLOT 291540
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
1040 AM CDT Tue Jul 29 2025

ILZ006-292115-
Lake-
Including the beaches of Illinois Beach State Park
1040 AM CDT Tue Jul 29 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........74-78.
Weather.....................Partly cloudy. A slight chance of showers
                            and thunderstorms in the afternoon.
High Temperature............In the upper 80s.
Winds.......................Southeast winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly cloudy. A slight chance of
                            showers and thunderstorms.
Low Temperature.............In the lower 70s.
Winds.......................Northwest winds around 5 mph, becoming
                            north after midnight.

.WEDNESDAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Weather.....................Mostly cloudy. A chance of showers and
                            thunderstorms.
High Temperature............In the mid 70s.
Winds.......................Northeast winds 10 to 15 mph with gusts
                            up to 25 mph.

.SWIM RISK OUTLOOK...
.WEDNESDAY NIGHT...High swim risk*.
.THURSDAY...High swim risk*.
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...Moderate swim risk*.
.SATURDAY...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

$$

ILZ103-104-292115-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
1040 AM CDT Tue Jul 29 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........73-77.
Weather.....................Partly cloudy. A slight chance of showers
                            and thunderstorms in the afternoon.
High Temperature............In the lower 90s.
Winds.......................Southeast winds 5 to 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy. A slight chance of showers and
                            thunderstorms.
Low Temperature.............In the lower 70s.
Winds.......................West winds 5 to 10 mph, becoming north
                            in the late evening and overnight.

.WEDNESDAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Weather.....................Mostly cloudy. A chance of showers and
                            thunderstorms.
High Temperature............In the upper 70s.
Winds.......................North winds 10 to 15 mph.

.SWIM RISK OUTLOOK...
.WEDNESDAY NIGHT...High swim risk*.
.THURSDAY...High swim risk*.
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...Moderate swim risk*.
.SATURDAY...Moderate 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

$$

INZ001-292115-
Lake-
Including the beaches of Indiana Dunes National Park
1040 AM CDT Tue Jul 29 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Water Temperature...........74-78.
Weather.....................Partly cloudy.
High Temperature............Around 90.
Winds.......................South winds around 5 mph, becoming
                            northeast early in the afternoon.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy. A slight chance of showers and
                            thunderstorms late.
Low Temperature.............In the mid 70s.
Winds.......................West winds around 5 mph, becoming north
                            after midnight.

.WEDNESDAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly cloudy. A chance of showers and
                            thunderstorms.
High Temperature............In the upper 70s.
Winds.......................North winds 10 to 15 mph.

.SWIM RISK OUTLOOK...
.WEDNESDAY NIGHT...High swim risk*.
.THURSDAY...High swim risk*.
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...Moderate swim risk*.
.FRIDAY NIGHT...Moderate swim risk*.
.SATURDAY...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

$$

INZ002-292115-
Porter-
Including the beaches of Indiana Dunes National Park
1040 AM CDT Tue Jul 29 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Water Temperature...........74-78.
Weather.....................Partly cloudy.
High Temperature............In the upper 80s.
Winds.......................South winds around 5 mph, becoming
                            northeast early in the afternoon.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy.
Low Temperature.............In the mid 70s.
Winds.......................Southwest winds around 5 mph, becoming
                            north after midnight.

.WEDNESDAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly cloudy. A chance of showers and
                            thunderstorms.
High Temperature............In the upper 70s.
Winds.......................North winds 10 to 15 mph.

.SWIM RISK OUTLOOK...
.WEDNESDAY NIGHT...High swim risk*.
.THURSDAY...High swim risk*.
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...Moderate swim risk*.
.FRIDAY NIGHT...Moderate swim risk*.
.SATURDAY...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


$$