200
FZUS53 KLOT 150915
SRFLOT

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

ILZ006-152115-
Lake-
Including the beaches of Illinois Beach State Park
415 AM CDT Tue Jul 15 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........70-74.
Weather.....................Mostly sunny.
High Temperature............In the lower 80s.
Winds.......................South winds around 5 mph, becoming
                            southeast in the afternoon.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy.
Low Temperature.............In the lower 70s.
Winds.......................Southeast winds around 5 mph, becoming
                            south around 5 mph after midnight.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy. A chance of showers and
                            thunderstorms in the afternoon.
High Temperature............In the upper 80s.
Winds.......................South winds 5 to 10 mph, becoming
                            southeast late.

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

$$

ILZ103-104-152115-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
415 AM CDT Tue Jul 15 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........71-75.
Weather.....................Mostly sunny.
High Temperature............In the lower 80s.
Winds.......................South winds around 5 mph, becoming east
                            in the afternoon.

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

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy. 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...Moderate swim risk*.
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...Moderate 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

$$

INZ001-152115-
Lake-
Including the beaches of Indiana Dunes National Park
415 AM CDT Tue Jul 15 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Water Temperature...........74-78.
Weather.....................Mostly sunny, then becoming partly
                            cloudy.
High Temperature............In the upper 80s.
Winds.......................Southeast winds 5 to 10 mph, becoming
                            east late.

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

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms in the
                            afternoon.
High Temperature............In the lower 90s.
Winds.......................Southwest winds around 5 mph, becoming
                            south late.

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

$$

INZ002-152115-
Porter-
Including the beaches of Indiana Dunes National Park
415 AM CDT Tue Jul 15 2025

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Water Temperature...........74-78.
Weather.....................Mostly sunny.
High Temperature............In the upper 80s.
Winds.......................South winds around 5 mph, becoming east
                            in the afternoon.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy.
Low Temperature.............In the mid 70s.
Winds.......................South winds around 5 mph.

.WEDNESDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy. A slight chance of
                            showers and thunderstorms.
High Temperature............Around 90.
Winds.......................Southwest winds around 5 mph.

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


$$