Surf Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 162241
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
541 PM CDT Wed Jul 16 2025

ILZ006-170915-
Lake-
Including the beaches of Illinois Beach State Park
541 PM CDT Wed Jul 16 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................Around 1 foot, building to 2 to 4 feet.
Water Temperature...........73-77.
Weather.....................Partly cloudy with a slight chance of a
                            shower.
Low Temperature.............In the mid 60s.
Winds.......................Southwest winds 10 to 15 mph, becoming
                            northwest after midnight.

.THURSDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet.
Weather.....................Mostly cloudy.
High Temperature............In the lower 70s.
Winds.......................North winds 10 to 15 mph with gusts up
                            to 25 mph.

.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...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

$$

ILZ103-104-170915-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
541 PM CDT Wed Jul 16 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................Around 1 foot, building to 2 to 4 feet.
Water Temperature...........73-77.
Weather.....................Partly cloudy with a slight chance of a
                            shower.
Low Temperature.............In the upper 60s.
Winds.......................Southwest winds around 15 mph, becoming
                            northwest after midnight.

.THURSDAY...
Swim Risk*..................High.
Wave Height.................4 to 6 feet.
Weather.....................Mostly cloudy.
High Temperature............In the lower 70s.
Winds.......................North winds 10 to 15 mph with gusts up
                            to 25 mph.

.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...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

$$

INZ001-170915-
Lake-
Including the beaches of Indiana Dunes National Park
541 PM CDT Wed Jul 16 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 AM CDT THURSDAY THROUGH
FRIDAY MORNING...

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................Around 1 foot, building to 2 to 4 feet.
Water Temperature...........74-78.
Weather.....................Partly cloudy with a slight chance of a
                            shower.
Low Temperature.............Around 70.
Winds.......................Southwest winds 10 to 15 mph, becoming
                            northwest after midnight.

.THURSDAY...
Swim Risk*..................High.
Wave Height.................4 to 7 feet.
Weather.....................Mostly cloudy.
High Temperature............In the lower 70s.
Winds.......................North winds 10 to 15 mph, becoming
                            around 15 mph late.

.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...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

$$

INZ002-170915-
Porter-
Including the beaches of Indiana Dunes National Park
541 PM CDT Wed Jul 16 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM 4 AM CDT THURSDAY THROUGH
FRIDAY MORNING...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................Around 1 foot, building to 3 to 5 feet.
Water Temperature...........74-78.
Weather.....................Partly cloudy with a slight chance of a
                            shower.
Low Temperature.............In the lower 70s.
Winds.......................Southwest winds 10 to 15 mph becoming
                            northwest after midnight.

.THURSDAY...
Swim Risk*..................High.
Wave Height.................4 to 7 feet.
Weather.....................Mostly cloudy.
High Temperature............In the lower 70s.
Winds.......................North winds 10 to 15 mph with gusts up
                            to 25 mph.

.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...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


$$