Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
345
FZUS53 KLOT 241958
SRFLOT
Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
258 PM CDT Sun Aug 24 2025
ILZ006-250930-
Lake-
Including the beaches of Illinois Beach State Park
258 PM CDT Sun Aug 24 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........71-75.
Weather.....................Mostly cloudy. A slight chance of
showers late.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 15 to 25 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................2 to 3 feet.
Weather.....................Partly cloudy. A slight chance of
showers early in the evening.
Low Temperature.............In the mid 50s.
Winds.......................Northwest winds 15 to 25 mph.
.MONDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Partly cloudy.
High Temperature............In the upper 60s.
Winds.......................Northwest winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...Low swim risk*.
.WEDNESDAY NIGHT...Low swim risk*.
.THURSDAY...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
$$
ILZ103-104-250930-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
258 PM CDT Sun Aug 24 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................2 to 3 feet.
Water Temperature...........71-75.
Weather.....................Mostly cloudy. A slight chance of
showers late.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 15 to 25 mph.
.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Partly cloudy. A slight chance of
showers early in the evening.
Low Temperature.............In the upper 50s.
Winds.......................Northwest winds 15 to 25 mph.
.MONDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Partly cloudy.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...Low swim risk*.
.WEDNESDAY NIGHT...Low swim risk*.
.THURSDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$
INZ001-250930-
Lake-
Including the beaches of Indiana Dunes National Park
258 PM CDT Sun Aug 24 2025
...BEACH HAZARDS STATEMENT IN EFFECT THROUGH MONDAY EVENING...
.REST OF TODAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Water Temperature...........71-75.
Weather.....................Mostly cloudy. A slight chance of
showers late.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 15 to 25 mph.
.TONIGHT...
Swim Risk*..................High.
Wave Height.................4 to 6 feet.
Weather.....................Partly cloudy. A slight chance of
showers early in the evening.
Low Temperature.............Around 60.
Winds.......................Northwest winds 15 to 25 mph.
.MONDAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Weather.....................Partly cloudy.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 10 to 20 mph.
.SWIM RISK OUTLOOK...
.MONDAY NIGHT...Moderate swim risk*.
.TUESDAY...Moderate swim risk*.
.TUESDAY NIGHT...Moderate swim risk*.
.WEDNESDAY...Low swim risk*.
.WEDNESDAY NIGHT...Low swim risk*.
.THURSDAY...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
$$
INZ002-250930-
Porter-
Including the beaches of Indiana Dunes National Park
258 PM CDT Sun Aug 24 2025
...BEACH HAZARDS STATEMENT IN EFFECT THROUGH TUESDAY EVENING...
.REST OF TODAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet.
Water Temperature...........71-75.
Weather.....................Mostly cloudy. A slight chance of
showers late.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 15 to 25 mph.
.TONIGHT...
Swim Risk*..................High.
Wave Height.................4 to 6 feet.
Weather.....................Mostly cloudy. A slight chance of
waterspouts. A slight chance of
showers.
Low Temperature.............In the lower 60s.
Winds.......................Northwest winds 15 to 25 mph.
.MONDAY...
Swim Risk*..................High.
Wave Height.................4 to 6 feet.
Weather.....................Partly cloudy. A slight chance of
showers in the morning.
High Temperature............In the upper 60s.
Winds.......................Northwest winds 15 to 25 mph.
.SWIM RISK OUTLOOK...
.MONDAY NIGHT...High swim risk*.
.TUESDAY...High swim risk*.
.TUESDAY NIGHT...Moderate swim risk*.
.WEDNESDAY...Low swim risk*.
.WEDNESDAY NIGHT...Low swim risk*.
.THURSDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$