Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
558
FZUS53 KLOT 101445
SRFLOT
Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
945 AM CDT Sun Aug 10 2025
ILZ006-102115-
Lake-
Including the beaches of Illinois Beach State Park
945 AM CDT Sun Aug 10 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........72-76.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms in the afternoon.
High Temperature............In the mid 80s.
Winds.......................South winds 10 to 20 mph with gusts up
to 25 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms.
Low Temperature.............In the lower 70s.
Winds.......................Southwest winds 10 to 15 mph with gusts
up to 25 mph, diminishing to 5 to 10
mph after midnight.
.MONDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly cloudy. A chance of thunderstorms.
High Temperature............In the mid 80s.
Winds.......................Southwest winds 5 to 10 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
$$
ILZ103-104-102115-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
945 AM CDT Sun Aug 10 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........74-78.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms in the afternoon, mainly late.
High Temperature............In the upper 80s.
Winds.......................South southwest winds 10 to 20 mph with gusts
up to 30 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms.
Low Temperature.............In the mid 70s.
Winds.......................South winds 10 to 15 mph with gusts
up to 25 mph, diminishing to 5 to 10
mph after midnight.
.MONDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms.
High Temperature............In the upper 80s.
Winds.......................Southwest winds 5 to 10 mph.
.SWIM RISK OUTLOOK...
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...Low swim risk*.
.WEDNESDAY NIGHT...Low swim risk*.
.THURSDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$
INZ001-102115-
Lake-
Including the beaches of Indiana Dunes National Park
945 AM CDT Sun Aug 10 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Water Temperature...........74-78.
Weather.....................Partly cloudy. A slight chance of
showers and thunderstorms late.
High Temperature............In the upper 80s.
Winds.......................South winds 10 to 15 mph with gusts up
to 25 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
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.
.MONDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy, then becoming mostly
cloudy. A slight chance of showers and
thunderstorms in the morning, then a
chance of showers and thunderstorms in
the afternoon.
High Temperature............In the upper 80s.
Winds.......................Southwest winds 5 to 10 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
$$
INZ002-102115-
Porter-
Including the beaches of Indiana Dunes National Park
945 AM CDT Sun Aug 10 2025
.REST OF TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Water Temperature...........74-78.
Weather.....................Partly cloudy. A slight chance of
showers and thunderstorms late.
High Temperature............In the upper 80s.
Winds.......................South winds 10 to 15 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy, then becoming mostly
cloudy. A slight chance of showers and
thunderstorms.
Low Temperature.............In the mid 70s.
Winds.......................South winds 5 to 10 mph.
.MONDAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Partly cloudy. A slight chance of
showers and thunderstorms in the
morning, then a chance of showers and
thunderstorms in the afternoon.
High Temperature............In the upper 80s.
Winds.......................Southwest winds 5 to 10 mph.
.SWIM RISK OUTLOOK...
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
.TUESDAY NIGHT...Low swim risk*.
.WEDNESDAY...Low swim risk*.
.WEDNESDAY NIGHT...Low swim risk*.
.THURSDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$