Surf Forecast
Issued by NWS Chicago, IL

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741
FZUS53 KLOT 290221
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
921 PM CDT Thu Aug 28 2025

ILZ006-290930-
Lake-
Including the beaches of Illinois Beach State Park
921 PM CDT Thu Aug 28 2025

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................5 to 8 feet subsiding to 4 to 6 feet
                            late.
Water Temperature...........69-73.
Weather.....................Mostly clear.
Low Temperature.............In the upper 50s.
Winds.......................Northeast winds 10 to 15 mph with gusts
                            up to 25 mph.

.FRIDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet subsiding to 1 to 3 feet late.
Weather.....................Partly cloudy.
High Temperature............In the upper 60s.
Winds.......................Northeast winds around 10 mph.

.SWIM RISK OUTLOOK...
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.LABOR DAY...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

$$

ILZ103-104-290930-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
921 PM CDT Thu Aug 28 2025

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................5 to 8 feet subsiding to 4 to 6 feet
                            late.
Water Temperature...........67-71.
Weather.....................Mostly clear.
Low Temperature.............In the upper 50s.
Winds.......................Northeast winds 10 to 15 mph with gusts
                            up to 25 mph.

.FRIDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet subsiding to 1 to 3 feet late.
Weather.....................Partly cloudy.
High Temperature............In the upper 60s.
Winds.......................Northeast winds 10 to 15 mph.

.SWIM RISK OUTLOOK...
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.LABOR DAY...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

$$

INZ001-290930-
Lake-
Including the beaches of Indiana Dunes National Park
921 PM CDT Thu Aug 28 2025

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................5 to 8 feet subsiding to 4 to 6 feet
                            late.
Water Temperature...........70-74.
Weather.....................Mostly clear.
Low Temperature.............In the upper 50s.
Winds.......................Northeast winds 10 to 15 mph with gusts
                            up to 25 mph.

.FRIDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet subsiding to 1 to 3 feet late.
Weather.....................Partly cloudy.
High Temperature............In the upper 60s.
Winds.......................Northeast winds around 10 mph.

.SWIM RISK OUTLOOK...
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.LABOR DAY...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

$$

INZ002-290930-
Porter-
Including the beaches of Indiana Dunes National Park
921 PM CDT Thu Aug 28 2025

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH FRIDAY AFTERNOON...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................5 to 8 feet subsiding to 4 to 6 feet
                            late.
Water Temperature...........70-74.
Weather.....................Mostly clear.
Low Temperature.............In the mid 50s.
Winds.......................Northeast winds 10 to 15 mph with gusts
                            up to 25 mph.

.FRIDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet subsiding to 1 to 3 feet late.
Weather.....................Partly cloudy.
High Temperature............In the upper 60s.
Winds.......................Northeast winds 5 to 10 mph.

.SWIM RISK OUTLOOK...
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.LABOR DAY...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


$$