Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
180
FZUS53 KLOT 041436
SRFLOT
Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
936 AM CDT Fri Jul 4 2025
ILZ006-042115-
Lake-
Including the beaches of Illinois Beach State Park
936 AM CDT Fri Jul 4 2025
.REST OF TODAY...
Swim Risk*..................Moderate.
Wave Height.................1 to 3 feet.
Water Temperature...........72-76.
Weather.....................Mostly cloudy. Showers likely and a
chance of thunderstorms late in the
morning, then a slight chance of
showers and thunderstorms early in the
afternoon.
High Temperature............In the upper 80s.
Winds.......................South winds 5 to 10 mph.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
Low Temperature.............In the mid 70s.
Winds.......................South winds 5 to 10 mph, becoming
southwest after midnight.
.SATURDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Partly cloudy.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 10 to 15 mph with gusts
up to 25 mph.
.SWIM RISK OUTLOOK...
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...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
$$
ILZ103-104-042115-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
936 AM CDT Fri Jul 4 2025
.REST OF TODAY...
Swim Risk*..................Moderate.
Wave Height.................1 to 3 feet.
Water Temperature...........73-77.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms late in the morning, then
a slight chance of showers and
thunderstorms early in the afternoon.
High Temperature............In the upper 80s.
Winds.......................Northeast winds 10 to 15 mph with gusts
up to 25 mph, becoming southeast 5 to
10 mph in the afternoon.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
Low Temperature.............In the mid 70s.
Winds.......................South winds 5 to 10 mph, becoming
southwest after midnight.
.SATURDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$
INZ001-042115-
Lake-
Including the beaches of Indiana Dunes National Park
936 AM CDT Fri Jul 4 2025
.REST OF TODAY...
Swim Risk*..................Moderate.
Wave Height.................1 to 3 feet.
Water Temperature...........73-77.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms late in the morning, then
a slight chance of showers and
thunderstorms early in the afternoon.
High Temperature............Around 90.
Winds.......................North winds 10 to 15 mph with gusts up
to 25 mph, becoming southeast 5 to 10
mph in the afternoon.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy.
Low Temperature.............In the mid 70s.
Winds.......................South winds 5 to 10 mph.
.SATURDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Partly cloudy.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...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
$$
INZ002-042115-
Porter-
Including the beaches of Indiana Dunes National Park
936 AM CDT Fri Jul 4 2025
.REST OF TODAY...
Swim Risk*..................Moderate.
Wave Height.................1 to 3 feet.
Water Temperature...........73-77.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms late in the morning, then
a slight chance of showers and
thunderstorms early in the afternoon.
High Temperature............In the upper 80s.
Winds.......................Northwest winds 15 to 20 mph, becoming
southwest around 5 mph early in the
afternoon, then becoming northeast
late.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Mostly clear.
Low Temperature.............In the mid 70s.
Winds.......................South winds 5 to 10 mph.
.SATURDAY...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly sunny, then becoming partly
cloudy.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 10 to 15 mph.
.SWIM RISK OUTLOOK...
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Moderate swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$