Surf Forecast
Issued by NWS Chicago, IL

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975
FZUS53 KLOT 182127
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
427 PM CDT Wed Jun 18 2025

ILZ006-190915-
Lake-
Including the beaches of Illinois Beach State Park
427 PM CDT Wed Jun 18 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........61-65.
Weather.....................Cloudy. Showers and a slight chance of
                            thunderstorms.
High Temperature............In the lower 70s.
Winds.......................Northeast winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Cloudy. Showers and a slight chance of
                            thunderstorms in the evening, then a
                            chance of showers after midnight.
Low Temperature.............In the lower 60s.
Winds.......................North winds around 10 mph with gusts up
                            to 20 mph, becoming northwest with
                            gusts up to 20 mph in the late evening
                            and overnight.

.JUNETEENTH...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy, then becoming partly
                            cloudy. A chance of showers early in
                            the morning, then a slight chance of
                            showers late in the morning.
High Temperature............In the lower 80s.
Winds.......................West winds 5 to 10 mph, becoming
                            southwest late.

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

$$

ILZ103-104-190915-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
427 PM CDT Wed Jun 18 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........62-66.
Weather.....................Cloudy. Showers and a slight chance of
                            thunderstorms.
High Temperature............In the upper 70s.
Winds.......................Northeast winds 10 to 15 mph with gusts
                            up to 20 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Cloudy. Showers and a chance of
                            thunderstorms in the evening, then a
                            chance of showers after midnight.
Low Temperature.............In the lower 60s.
Winds.......................North winds 10 to 15 mph with gusts up
                            to 20 mph, becoming northwest with
                            in the late evening and overnight.

.JUNETEENTH...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy, then becoming partly
                            cloudy. A chance of showers early in
                            the morning.
High Temperature............In the lower 80s.
Winds.......................Northwest winds 5 to 10 mph, becoming
                            southwest late.

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

$$

INZ001-190915-
Lake-
Including the beaches of Indiana Dunes National Park
427 PM CDT Wed Jun 18 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........60-64.
Weather.....................Mostly cloudy. Showers and a chance of
                            thunderstorms.
High Temperature............In the upper 70s.
Winds.......................East winds 10 to 15 mph with gusts up
                            to 25 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Cloudy. Showers with thunderstorms
                            likely in the evening, then a chance of
                            showers after midnight.
Low Temperature.............In the mid 60s.
Winds.......................North winds 10 to 15 mph with gusts up
                            to 20 mph, becoming northwest in the late
                            evening and overnight.

.JUNETEENTH...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy, then becoming partly
                            cloudy. A chance of showers early in
                            the morning, then a slight chance of
                            showers late in the morning.
High Temperature............In the lower 80s.
Winds.......................Northwest winds 5 to 10 mph.

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

$$

INZ002-190915-
Porter-
Including the beaches of Indiana Dunes National Park
427 PM CDT Wed Jun 18 2025

.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........60-64.
Weather.....................Cloudy. Showers and a chance of
                            thunderstorms.
High Temperature............In the upper 70s.
Winds.......................East winds around 10 mph with gusts up
                            to 20 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Cloudy. Showers and thunderstorms
                            likely in the evening, then a chance of
                            showers after midnight.
Low Temperature.............In the lower 60s.
Winds.......................Northeast winds around 10 mph with
                            gusts up to 20 mph, becoming west in
                            the late evening and overnight.

.JUNETEENTH...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly cloudy, then becoming partly
                            cloudy. A chance of showers early in
                            the morning, then a slight chance of
                            showers in the late morning and early
                            afternoon.
High Temperature............In the mid 70s.
Winds.......................Northwest winds 5 to 10 mph.

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


$$