Surf Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 171357
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
857 AM CDT Tue Jun 17 2025

ILZ006-172115-
Lake-
Including the beaches of Illinois Beach State Park
857 AM CDT Tue Jun 17 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........55-59.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy. A chance of showers and
                            thunderstorms late.
High Temperature............Around 90.
Winds.......................Southwest winds 10 to 15 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly cloudy. Showers and
                            thunderstorms likely, mainly in the
                            evening.
Low Temperature.............In the mid 60s.
Winds.......................Southwest winds 5 to 10 mph.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly cloudy. A chance of
                            thunderstorms in the morning. Showers.
                            Thunderstorms likely in the afternoon.
High Temperature............In the upper 70s.
Winds.......................South winds 5 to 10 mph, becoming
                            southwest 10 to 20 mph late.

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

$$

ILZ103-104-172115-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
857 AM CDT Tue Jun 17 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........58-62.
Weather.....................Partly cloudy, then becoming mostly
                            cloudy. A chance of showers and
                            thunderstorms late.
High Temperature............Around 90.
Winds.......................Southwest winds 10 to 15 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly cloudy. Showers and
                            thunderstorms likely, mainly in the
                            evening.
Low Temperature.............In the upper 60s.
Winds.......................Southwest winds 5 to 10 mph.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly cloudy. Showers. A chance of
                            thunderstorms in the morning.
                            Thunderstorms likely in the afternoon.
High Temperature............In the lower 80s.
Winds.......................South winds 10 to 15 mph, becoming
                            southwest 15 to 25 mph late.

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

$$

INZ001-172115-
Lake-
Including the beaches of Indiana Dunes National Park
857 AM CDT Tue Jun 17 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Water Temperature...........56-60.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms late.
High Temperature............Around 90.
Winds.......................Southwest winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Mostly cloudy. Showers and
                            thunderstorms likely, mainly in the
                            evening.
Low Temperature.............In the upper 60s.
Winds.......................Southwest winds 5 to 10 mph.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly cloudy. Showers. A chance of
                            thunderstorms in the morning.
                            Thunderstorms likely in the afternoon.
High Temperature............In the lower 80s.
Winds.......................South winds 5 to 10 mph, becoming
                            southwest 15 to 25 mph in the
                            afternoon.

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

$$

INZ002-172115-
Porter-
Including the beaches of Indiana Dunes National Park
857 AM CDT Tue Jun 17 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........56-60.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms late.
High Temperature............In the upper 80s.
Winds.......................Southwest winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly cloudy. Showers and
                            thunderstorms likely, mainly in the
                            evening.
Low Temperature.............In the upper 60s.
Winds.......................Southwest winds 5 to 10 mph.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly cloudy. Showers. A chance of
                            thunderstorms in the morning.
                            Thunderstorms likely in the afternoon.
High Temperature............In the lower 80s.
Winds.......................South winds 10 to 15 mph, becoming
                            southwest 15 to 25 mph late.

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


$$