Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
755
FZUS53 KLOT 160836
SRFLOT
Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
336 AM CDT Wed Sep 16 2026
ILZ006-170845-
Lake-
Including the beaches of Illinois Beach State Park
336 AM CDT Wed Sep 16 2026
.TODAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Water Temperature...........57-61.
Weather.....................Mostly cloudy. A slight chance of
showers until late afternoon, then a
chance of showers late.
High Temperature............In the lower 70s.
Winds.......................Northeast winds 10 to 15 mph.
.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly cloudy. A slight chance of
showers in the evening. A slight chance
of thunderstorms in the late evening
and overnight. A chance of showers
after midnight.
Low Temperature.............In the mid 60s.
Winds.......................Northeast winds 10 to 15 mph, becoming
east around 5 mph after midnight.
.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. A slight chance of
thunderstorms early in the morning. A
chance of showers in the morning, then
a slight chance of showers early in the
afternoon.
High Temperature............In the mid 70s.
Winds.......................North winds 5 to 10 mph, becoming
northeast late.
.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...Low swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...High swim risk*.
.SATURDAY...High swim risk*.
.SATURDAY NIGHT...High swim risk*.
.SUNDAY...High 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
$$
ILZ103-104-170845-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
336 AM CDT Wed Sep 16 2026
.TODAY...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Water Temperature...........64-68.
Weather.....................Cloudy. A chance of showers early in
the morning, then a slight chance of
showers late in the morning. A chance
of showers in the afternoon.
High Temperature............In the lower 70s.
Winds.......................Northeast winds 10 to 15 mph.
.TONIGHT...
Swim Risk*..................Moderate.
Wave Height.................2 to 4 feet.
Weather.....................Mostly cloudy. A slight chance of
showers early in the evening, then a
chance of showers and a slight chance
of thunderstorms in the late evening
and overnight.
Low Temperature.............In the upper 60s.
Winds.......................Northeast winds 5 to 10 mph, becoming
southeast after midnight.
.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. A slight chance of
thunderstorms early in the morning. A
chance of showers in the morning, then
a slight chance of showers early in the
afternoon.
High Temperature............In the mid 70s.
Winds.......................West winds around 5 mph, becoming north
in the late morning and afternoon.
.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...Low swim risk*.
.FRIDAY...Moderate swim risk*.
.FRIDAY NIGHT...High swim risk*.
.SATURDAY...High swim risk*.
.SATURDAY NIGHT...High swim risk*.
.SUNDAY...High 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
$$
INZ001-170845-
Lake-
Including the beaches of Indiana Dunes National Park
336 AM CDT Wed Sep 16 2026
.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........63-67.
Weather.....................Mostly cloudy. Showers likely early in
the morning, then a slight chance of
showers late in the morning. A chance
of showers in the afternoon.
High Temperature............In the mid 70s.
Winds.......................Northeast winds 5 to 10 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly cloudy. A slight chance of
showers early in the evening, then a
chance of showers and a slight chance
of thunderstorms in the late evening
and overnight.
Low Temperature.............Around 70.
Winds.......................Northeast winds 5 to 10 mph, becoming
south late.
.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. A chance of showers and
a slight chance of thunderstorms in the
morning, then a slight chance of
showers early in the afternoon.
High Temperature............In the mid 70s.
Winds.......................West winds around 5 mph, becoming north
in the afternoon.
.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...Low swim risk*.
.FRIDAY...Low swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...High swim risk*.
.SUNDAY...High 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
$$
INZ002-170845-
Porter-
Including the beaches of Indiana Dunes National Park
336 AM CDT Wed Sep 16 2026
.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........63-67.
Weather.....................Mostly cloudy. A slight chance of
thunderstorms early in the morning. A
chance of showers.
High Temperature............In the mid 70s.
Winds.......................Northeast winds 5 to 10 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly cloudy. A slight chance of
showers early in the evening, then a
chance of showers and a slight chance
of thunderstorms in the late evening
and overnight.
Low Temperature.............In the upper 60s.
Winds.......................Northeast winds 5 to 10 mph, becoming
southeast after midnight.
.THURSDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. A chance of showers and
a slight chance of thunderstorms in the
morning, then a slight chance of
showers early in the afternoon.
High Temperature............In the mid 70s.
Winds.......................Southwest winds around 5 mph, becoming
northwest in the late morning and early
afternoon, then becoming north late.
.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...Low swim risk*.
.FRIDAY...Low swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Moderate swim risk*.
.SUNDAY...Moderate 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
$$