Surf Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 280927
SRFLOT

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

ILZ006-282130-
Lake-
Including the beaches of Illinois Beach State Park
427 AM CDT Thu Aug 28 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH FRIDAY AFTERNOON...

.TODAY...
Swim Risk*..................High.
Wave Height.................1 to 2 ft quickly building to 4 to 7
                            feet this afternoon.
Water Temperature...........69-73.
Weather.....................Variable cloudiness. Scattered showers
                            with isolated thunderstorms early in the
                            morning then a chance of showers and
                            thunderstorms in the afternoon. A
                            slight chance of a waterspout in the
                            afternoon.
High Temperature............In the lower 70s.
Winds.......................West winds around 10 mph, shifting to
                            north 15 to 25 mph in the afternoon.

.TONIGHT...
Swim Risk*..................High.
Wave Height.................5 to 8 feet.
Weather.....................Mostly clear.
Low Temperature.............In the upper 50s.
Winds.......................Northeast winds 10 to 20 mph with gusts
                            up to 25 mph.

.FRIDAY...
Swim Risk*..................High.
Wave Height.................4 to 7 feet subsiding to 2 to 4 ft by
                            evening.
Weather.....................Mostly cloudy, then becoming partly
                            cloudy.
High Temperature............In the mid 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

$$

ILZ103-104-282130-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
427 AM CDT Thu Aug 28 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH FRIDAY AFTERNOON...

.TODAY...
Swim Risk*..................High.
Wave Height.................1 to 2 ft quickly building to 4 to 7
                            feet this afternoon.
Water Temperature...........69-73.
Weather.....................Variable cloudiness. Scattered showers
                            with isolated thunderstorms early in the
                            morning then a chance of showers and
                            thunderstorms in the afternoon. A
                            slight chance of a waterspout in the
                            afternoon.
High Temperature............In the lower 70s.
Winds.......................West winds around 10 mph, shifting to
                            north 15 to 25 mph in the afternoon.

.TONIGHT...
Swim Risk*..................High.
Wave Height.................5 to 8 feet.
Weather.....................Mostly clear.
Low Temperature.............In the lower 60s.
Winds.......................Northeast winds 10 to 20 mph with gusts
                            up to 25 mph.

.FRIDAY...
Swim Risk*..................High.
Wave Height.................4 to 7 feet subsiding to 2 to 4 ft by
                            evening.
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

$$

INZ001-282130-
Lake-
Including the beaches of Indiana Dunes National Park
427 AM CDT Thu Aug 28 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH FRIDAY AFTERNOON...

.TODAY...
Swim Risk*..................High.
Wave Height.................1 to 3 feet quickly building to 3 to 5
                            feet late this afternoon.
Water Temperature...........70-74.
Weather.....................Variable cloudiness. Scattered showers
                            with isolated thunderstorms early in the
                            morning then a chance of showers and
                            thunderstorms in the afternoon. A
                            slight chance of a waterspout in the
                            afternoon.
High Temperature............In the lower 70s.
Winds.......................West winds around 10 mph, becoming north
                            15 to 25 mph this afternoon.

.TONIGHT...
Swim Risk*..................High.
Wave Height.................4 to 7 feet.
Weather.....................Mostly clear.
Low Temperature.............In the upper 50s.
Winds.......................Northeast winds 15 to 20 mph.

.FRIDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet subsiding to 2 to 4 ft by
                            evening.
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

$$

INZ002-282130-
Porter-
Including the beaches of Indiana Dunes National Park
427 AM CDT Thu Aug 28 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH FRIDAY AFTERNOON...

.TODAY...
Swim Risk*..................High.
Wave Height.................1 to 3 feet quickly building to 3 to 5
                            feet late this afternoon.
Water Temperature...........70-74.
Weather.....................Variable cloudiness. Scattered showers
                            with isolated thunderstorms early in the
                            morning then a chance of showers and
                            thunderstorms in the afternoon. A
                            slight chance of a waterspout in the
                            afternoon.
High Temperature............In the lower 70s.
Winds.......................West winds around 10 mph, becoming north
                            15 to 25 mph this afternoon.

.TONIGHT...
Swim Risk*..................High.
Wave Height.................4 to 7 feet.
Weather.....................Mostly clear.
Low Temperature.............In the upper 50s.
Winds.......................Northeast winds 15 to 20 mph.

.FRIDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet subsiding to 2 to 4 ft by
                            evening.
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


$$