Surf Forecast
Issued by NWS Chicago, IL

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629
FZUS53 KLOT 151952
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
252 PM CDT Tue Jul 15 2025

ILZ006-160915-
Lake-
Including the beaches of Illinois Beach State Park
252 PM CDT Tue Jul 15 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........72-76.
Weather.....................Partly cloudy.
High Temperature............In the upper 80s.
Winds.......................Southeast winds 10 to 15 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy. A slight chance of
                            showers.
Low Temperature.............In the lower 70s.
Winds.......................Southeast winds 5 to 10 mph, becoming
                            south after midnight.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms early in the
                            afternoon. Showers and thunderstorms
                            likely late.
High Temperature............In the upper 80s.
Winds.......................Southeast winds around 10 mph becoming
                            southwest 10 to 20 mph in the afternoon.

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

$$

ILZ103-104-160915-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
252 PM CDT Tue Jul 15 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........72-76.
Weather.....................Partly cloudy.
High Temperature............In the upper 80s.
Winds.......................Southeast winds 10 to 15 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy. A slight chance of
                            showers.
Low Temperature.............In the mid 70s.
Winds.......................Southeast winds 5 to 10 mph, becoming
                            south after midnight.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms early in the
                            afternoon. A chance of showers and
                            thunderstorms late.
High Temperature............In the lower 90s.
Winds.......................Southeast winds around 10 mph becoming
                            southwest 10 to 20 mph in the afternoon.

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

$$

INZ001-160915-
Lake-
Including the beaches of Indiana Dunes National Park
252 PM CDT Tue Jul 15 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........74-78.
Weather.....................Partly cloudy.
High Temperature............In the lower 90s.
Winds.......................East winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy. A slight chance of
                            showers.
Low Temperature.............In the mid 70s.
Winds.......................Southeast winds 5 to 10 mph, becoming
                            south after midnight.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms early in the
                            morning. A slight chance of showers and
                            thunderstorms in the afternoon.
High Temperature............In the lower 90s.
Winds.......................South winds 5 to 10 mph.

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

$$

INZ002-160915-
Porter-
Including the beaches of Indiana Dunes National Park
252 PM CDT Tue Jul 15 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.......................Northeast winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy. A slight chance of
                            showers.
Low Temperature.............In the lower 70s.
Winds.......................Southeast winds 5 to 10 mph, becoming
                            south after midnight.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Mostly cloudy, then becoming partly
                            cloudy. A slight chance of showers and
                            thunderstorms.
High Temperature............Around 90.
Winds.......................Southwest winds 5 to 10 mph.

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


$$