Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
032
FZUS53 KLOT 160849
SRFLOT
Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
349 AM CDT Wed Jul 16 2025
ILZ006-162200-
Lake-
Including the beaches of Illinois Beach State Park
349 AM CDT Wed Jul 16 2025
.TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........72-76.
Weather.....................Partly cloudy. Showers and
thunderstorms likely late in the
afternoon.
High Temperature............Around 90.
Winds.......................South winds 5 to 10 mph with gusts up
to 20 mph, becoming around 10 mph with
gusts up to 20 mph late.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. Showers and
thunderstorms likely, mainly in the
evening.
Low Temperature.............In the mid 60s.
Winds.......................Southwest winds 10 to 15 mph, becoming
west after midnight.
.THURSDAY...
Swim Risk*..................High.
Wave Height.................2 to 4 feet building to 4 to 6 feet.
Weather.....................Mostly cloudy. A slight chance of
showers early in the morning.
High Temperature............In the upper 60s.
Winds.......................North winds 15 to 25 mph.
.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...Moderate swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...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
$$
ILZ103-104-162200-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
349 AM CDT Wed Jul 16 2025
.TODAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Water Temperature...........72-76.
Weather.....................Partly cloudy. Showers and
thunderstorms likely late in the
afternoon.
High Temperature............In the lower 90s.
Winds.......................South winds 5 to 10 mph with gusts up
to 20 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly cloudy. Showers and
thunderstorms likely, mainly in the
evening.
Low Temperature.............In the upper 60s.
Winds.......................Southwest winds 10 to 15 mph, becoming
west late.
.THURSDAY...
Swim Risk*..................High.
Wave Height.................2 to 4 feet building to 4 to 6 feet.
Weather.....................Mostly cloudy. A chance of showers,
mainly in the morning.
High Temperature............In the lower 70s.
Winds.......................North winds 15 to 25 mph.
.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$
INZ001-162200-
Lake-
Including the beaches of Indiana Dunes National Park
349 AM CDT Wed Jul 16 2025
.TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Water Temperature...........74-78.
Weather.....................Partly cloudy. Showers and
thunderstorms likely late in the
afternoon.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 5 to 10 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly cloudy. Showers and
thunderstorms likely, mainly in the
evening.
Low Temperature.............Around 70.
Winds.......................Southwest winds 10 to 15 mph, becoming
west late.
.THURSDAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet building to 4 to 7 feet.
Weather.....................Mostly cloudy. A chance of showers,
mainly in the morning.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 10 to 15 mph, becoming
north 15 to 25 mph late.
.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...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
$$
INZ002-162200-
Porter-
Including the beaches of Indiana Dunes National Park
349 AM CDT Wed Jul 16 2025
.TODAY...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Water Temperature...........74-78.
Weather.....................Mostly cloudy, then becoming partly
cloudy. A chance of showers and
thunderstorms.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 5 to 10 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Mostly cloudy. Showers and
thunderstorms likely, mainly in the
evening.
Low Temperature.............Around 70.
Winds.......................Southwest winds 10 to 15 mph, becoming
west late.
.THURSDAY...
Swim Risk*..................High.
Wave Height.................3 to 5 feet building to 4 to 7 feet.
Weather.....................Mostly cloudy. A chance of showers,
mainly in the morning.
High Temperature............In the lower 70s.
Winds.......................Northwest winds 15 to 25 mph, becoming
north late.
.SWIM RISK OUTLOOK...
.THURSDAY NIGHT...High swim risk*.
.FRIDAY...High swim risk*.
.FRIDAY NIGHT...Low swim risk*.
.SATURDAY...Low swim risk*.
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$