Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
684
FZUS53 KLOT 120808
SRFLOT
Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
308 AM CDT Sat Sep 12 2026
ILZ006-130815-
Lake-
Including the beaches of Illinois Beach State Park
308 AM CDT Sat Sep 12 2026
.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........67-71.
Weather.....................Partly cloudy.
High Temperature............In the mid 80s.
Winds.......................Southwest winds 5 to 10 mph, becoming
west late.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
Low Temperature.............In the lower 60s.
Winds.......................Northwest winds 5 to 10 mph.
.SUNDAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Partly cloudy, then becoming mostly
cloudy. A chance of showers in the
afternoon.
High Temperature............In the lower 70s.
Winds.......................North winds 5 to 10 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...High swim risk*.
.MONDAY NIGHT...High swim risk*.
.TUESDAY...High 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
$$
ILZ103-104-130815-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
308 AM CDT Sat Sep 12 2026
.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........68-72.
Weather.....................Partly cloudy.
High Temperature............In the upper 80s.
Winds.......................Southwest winds 5 to 10 mph, becoming
west late.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Partly cloudy.
Low Temperature.............In the mid 60s.
Winds.......................Northwest winds 5 to 10 mph.
.SUNDAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Partly cloudy, then becoming mostly
cloudy. A chance of showers in the
afternoon.
High Temperature............In the lower 70s.
Winds.......................North winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...Moderate swim risk*.
.MONDAY...Moderate swim risk*.
.MONDAY NIGHT...High swim risk*.
.TUESDAY...Moderate swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$
INZ001-130815-
Lake-
Including the beaches of Indiana Dunes National Park
308 AM CDT Sat Sep 12 2026
.TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........66-70.
Weather.....................Partly cloudy.
High Temperature............In the upper 80s.
Winds.......................Southwest winds 5 to 10 mph, becoming
west in the afternoon.
.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Partly cloudy.
Low Temperature.............In the upper 60s.
Winds.......................Northwest winds 10 to 20 mph, becoming
north late.
.SUNDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet.
Weather.....................Partly cloudy, then becoming mostly
cloudy. A chance of showers in the
afternoon.
High Temperature............In the mid 70s.
Winds.......................North winds 10 to 20 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...High 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
$$
INZ002-130815-
Porter-
Including the beaches of Indiana Dunes National Park
308 AM CDT Sat Sep 12 2026
.TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........66-70.
Weather.....................Partly cloudy.
High Temperature............In the upper 80s.
Winds.......................South winds around 5 mph, becoming west
in the afternoon.
.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Partly cloudy.
Low Temperature.............In the upper 60s.
Winds.......................Northwest winds 10 to 20 mph, becoming
north late.
.SUNDAY...
Swim Risk*..................High.
Wave Height.................3 to 6 feet.
Weather.....................Partly cloudy, then becoming mostly
cloudy. A slight chance of showers
early in the afternoon. A chance of
showers late.
High Temperature............In the lower 70s.
Winds.......................North winds 10 to 20 mph.
.SWIM RISK OUTLOOK...
.SUNDAY NIGHT...High swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$