Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
767
FZUS53 KLOT 092039
SRFLOT
Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
339 PM CDT Sat Aug 9 2025
ILZ006-100915-
Lake-
Including the beaches of Illinois Beach State Park
339 PM CDT Sat Aug 9 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........74-78.
Weather.....................Mostly sunny.
High Temperature............In the lower 90s.
Winds.......................South winds around 15 mph with gusts up
to 25 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Partly cloudy, then becoming mostly
cloudy. A slight chance of showers and
thunderstorms.
Low Temperature.............In the mid 70s.
Winds.......................South winds 10 to 15 mph.
.SUNDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms.
High Temperature............In the upper 80s.
Winds.......................South 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
$$
ILZ103-104-100915-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
339 PM CDT Sat Aug 9 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........75-79.
Weather.....................Mostly sunny.
High Temperature............In the lower 90s.
Winds.......................South winds around 15 mph with gusts up
to 25 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly clear, then becoming mostly
cloudy.
Low Temperature.............In the mid 70s.
Winds.......................South winds 10 to 15 mph with gusts up
to 25 mph.
.SUNDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms, mainly in the afternoon.
High Temperature............In the upper 80s.
Winds.......................South winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$
INZ001-100915-
Lake-
Including the beaches of Indiana Dunes National Park
339 PM CDT Sat Aug 9 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........73-77.
Weather.....................Mostly sunny.
High Temperature............In the lower 90s.
Winds.......................South winds around 15 mph with gusts up
to 25 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
Low Temperature.............In the mid 70s.
Winds.......................South winds 10 to 15 mph.
.SUNDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly cloudy. A slight chance of
showers and thunderstorms in the
afternoon.
High Temperature............In the lower 90s.
Winds.......................South 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
$$
INZ002-100915-
Porter-
Including the beaches of Indiana Dunes National Park
339 PM CDT Sat Aug 9 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........73-77.
Weather.....................Mostly sunny.
High Temperature............In the lower 90s.
Winds.......................South winds around 15 mph with gusts up
to 25 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly clear.
Low Temperature.............In the mid 70s.
Winds.......................South winds 5 to 10 mph.
.SUNDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy. A slight chance of
showers and thunderstorms in the
afternoon.
High Temperature............In the upper 80s.
Winds.......................South winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$