Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
432
FZUS53 KLOT 220758
SRFLOT
Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
258 AM CDT Sat Aug 22 2026
ILZ006-230800-
Lake-
Including the beaches of Illinois Beach State Park
258 AM CDT Sat Aug 22 2026
.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........71-75.
Weather.....................Mostly sunny, then becoming partly
cloudy. A slight chance of showers and
thunderstorms in the afternoon.
High Temperature............In the upper 70s.
Winds.......................West winds 10 to 15 mph, becoming northwest
by midday.
.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly clear. A slight chance of
showers and thunderstorms early in the
evening.
Low Temperature.............In the lower 60s.
Winds.......................Northwest winds 10 to 15 mph.
.SUNDAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly sunny, then becoming partly
cloudy.
High Temperature............In the mid 70s.
Winds.......................Northwest winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...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
$$
ILZ103-104-230800-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
258 AM CDT Sat Aug 22 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
.TODAY...
Swim Risk*..................Moderate.
Wave Height.................1 to 3 ft building to 2 to 4 feet.
Water Temperature...........71-75.
Weather.....................Partly cloudy. A slight chance of
showers and thunderstorms in the
afternoon.
High Temperature............In the upper 70s.
Winds.......................West winds 10 to 15 mph, becoming northwest
by midday.
.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly clear. A slight chance of
showers and thunderstorms early in the
evening.
Low Temperature.............In the mid 60s.
Winds.......................Northwest winds 10 to 15 mph.
.SUNDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet.
Weather.....................Mostly sunny, then becoming partly
cloudy.
High Temperature............In the mid 70s.
Winds.......................Northwest winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Moderate swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$
INZ001-230800-
Lake-
Including the beaches of Indiana Dunes National Park
258 AM CDT Sat Aug 22 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
.TODAY...
Swim Risk*..................Moderate.
Wave Height.................1 to 3 ft building to 2 to 4 feet.
Water Temperature...........72-76.
Weather.....................Partly cloudy. A slight chance of
showers and thunderstorms in the
afternoon.
High Temperature............In the mid 70s.
Winds.......................Southwest winds 10 to 15 mph, becoming
northwest by midday.
.TONIGHT...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Weather.....................Partly cloudy. A slight chance of
thunderstorms early in the evening. A
slight chance of showers in the
evening.
Low Temperature.............In the mid 60s.
Winds.......................North winds 10 to 15 mph.
.SUNDAY...
Swim Risk*..................High.
Wave Height.................4 to 6 feet.
Weather.....................Mostly sunny, then becoming partly
cloudy.
High Temperature............In the mid 70s.
Winds.......................North winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...High swim risk*.
.MONDAY...Moderate swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...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
$$
INZ002-230800-
Porter-
Including the beaches of Indiana Dunes National Park
258 AM CDT Sat Aug 22 2026
...BEACH HAZARDS STATEMENT IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH SUNDAY EVENING...
.TODAY...
Swim Risk*..................High.
Wave Height.................1 to 3 feet building to 3 to 6 feet.
Water Temperature...........72-76.
Weather.....................Mostly cloudy, then becoming partly
cloudy. A slight chance of showers and
thunderstorms in the afternoon.
High Temperature............In the mid 70s.
Winds.......................Southwest winds 10 to 15 mph with gusts
up to 25 mph, becoming northwest by midday.
.TONIGHT...
Swim Risk*..................High.
Wave Height.................4 to 6 feet.
Weather.....................Partly cloudy. A slight chance of
thunderstorms early in the evening. A
slight chance of showers until early
morning.
Low Temperature.............In the upper 60s.
Winds.......................North winds 10 to 15 mph.
.SUNDAY...
Swim Risk*..................High.
Wave Height.................4 to 6 feet.
Weather.....................Mostly sunny.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 10 to 15 mph with gusts
up to 25 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...High swim risk*.
.MONDAY...Moderate swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...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
$$