Surf Forecast
Issued by NWS Chicago, IL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7
666
FZUS53 KLOT 230205
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
905 PM CDT Thu May 22 2025

ILZ006-230915-
Lake-
Including the beaches of Illinois Beach State Park
905 PM CDT Thu May 22 2025

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........47-51.
Weather.....................Partly cloudy.
Low Temperature.............In the mid 40s.
Winds.......................North winds around 5 mph, becoming
                            northwest after midnight.

.FRIDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
High Temperature............In the mid 50s.
Winds.......................Northwest winds 5 to 10 mph, becoming
                            northeast in the afternoon.

.SWIM RISK OUTLOOK...
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MEMORIAL DAY...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

$$

ILZ103-104-230915-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
905 PM CDT Thu May 22 2025

.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Water Temperature...........49-53.
Weather.....................Partly cloudy.
Low Temperature.............In the mid 40s.
Winds.......................Northwest winds around 5 mph, becoming
                            west around 5 mph late.

.FRIDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
High Temperature............In the mid 50s.
Winds.......................North winds 5 to 10 mph, becoming
                            northeast in the afternoon.

.SWIM RISK OUTLOOK...
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MEMORIAL DAY...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

$$

INZ001-230915-
Lake-
Including the beaches of Indiana Dunes National Park
905 PM CDT Thu May 22 2025

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 1 AM CDT FRIDAY...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................3 to 5 feet subsiding to 1 to 3 feet.
Water Temperature...........51-55.
Weather.....................Mostly clear.
Low Temperature.............In the mid 40s.
Winds.......................Northwest winds 5 to 10 mph, becoming
                            west late.

.FRIDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Partly cloudy.
High Temperature............In the mid 50s.
Winds.......................Northwest winds 5 to 10 mph, becoming
                            northeast in the afternoon.

.SWIM RISK OUTLOOK...
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MEMORIAL DAY...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

$$

INZ002-230915-
Porter-
Including the beaches of Indiana Dunes National Park
905 PM CDT Thu May 22 2025

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 1 AM CDT FRIDAY...

.TONIGHT...
Swim Risk*..................High.
Wave Height.................3 to 5 feet subsiding to 1 to 3 feet.
Water Temperature...........51-55.
Weather.....................Partly cloudy.
Low Temperature.............In the mid 40s.
Winds.......................North winds 5 to 10 mph, becoming
                            northwest late.

.FRIDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Partly cloudy, then becoming mostly
                            sunny.
High Temperature............In the lower 50s.
Winds.......................Northwest winds 5 to 10 mph, becoming
                            north in the afternoon.

.SWIM RISK OUTLOOK...
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MEMORIAL DAY...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


$$