Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
854
FZUS53 KLOT 040826
SRFLOT
Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
326 AM CDT Fri Jul 4 2025
ILZ006-042130-
Lake-
Including the beaches of Illinois Beach State Park
326 AM CDT Fri Jul 4 2025
.TODAY...
Swim Risk*..................Moderate.
Wave Height.................Around 1 foot building to 2 to 4 feet
mid morning, then subsiding to 1 to 2
feet this afternoon.
Water Temperature...........72-76.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms in the morning, then a
slight chance of showers and
thunderstorms in the afternoon.
High Temperature............In the upper 80s.
Winds.......................Southwest winds 5 to 10 mph becoming
northeast 15 to 25 mph this morning,
then becoming southeast 10 to 15 mph
this afternoon.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly clear..
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 15 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
$$
ILZ103-104-042130-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
326 AM CDT Fri Jul 4 2025
.TODAY...
Swim Risk*..................Moderate.
Wave Height.................Around 1 foot building to 2 to 4 feet
mid morning, then subsiding to 1 to 2
feet this afternoon.
Water Temperature...........72-76.
Weather.....................Mostly cloudy. A chance of showers and
thunderstorms in the morning, then a
slight chance of showers and
thunderstorms in the afternoon.
High Temperature............In the upper 80s.
Winds.......................Southwest winds 5 to 10 mph becoming
north 15 to 25 mph this morning, then
becoming southeast 10 to 15 mph this
afternoon.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Mostly clear.
Low Temperature.............In the mid 70s.
Winds.......................South winds 5 to 10 mph, becoming
southwest after midnight.
.SATURDAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Partly cloudy.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 15 to 25 mph.
.SWIM RISK OUTLOOK...
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Low swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$
INZ001-042130-
Lake-
Including the beaches of Indiana Dunes National Park
326 AM CDT Fri Jul 4 2025
.TODAY...
Swim Risk*..................Moderate.
Wave Height.................Around 1 foot building to 2 to 4 feet
mid morning, then subsiding to 1 to 2
feet this afternoon.
Water Temperature...........73-77.
Weather.....................Mostly cloudy. A slight chance of
showers and thunderstorms mainly in the
morning.
High Temperature............Around 90.
Winds.......................South winds 5 to 10 mph becoming north
15 to 20 mph this morning, then becoming
southeast around 10 mph this afternoon.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................Around 1 foot.
Weather.....................Mostly clear.
Low Temperature.............In the mid 70s.
Winds.......................South winds 5 to 10 mph.
.SATURDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 10 to 20 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
$$
INZ002-042130-
Porter-
Including the beaches of Indiana Dunes National Park
326 AM CDT Fri Jul 4 2025
.TODAY...
Swim Risk*..................Moderate.
Wave Height.................Around 1 foot building to 2 to 4 feet
mid morning, then subsiding to 1 to 2
feet this afternoon.
Water Temperature...........73-77.
Weather.....................Mostly cloudy. A slight chance of
showers and thunderstorms mainly in the
morning.
High Temperature............In the upper 80s.
Winds.......................South winds 5 to 10 mph becoming north
15 to 20 mph this morning, then becoming
southeast around 10 mph this afternoon.
.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 foot or less.
Weather.....................Mostly clear.
Low Temperature.............In the mid 70s.
Winds.......................South winds 5 to 10 mph.
.SATURDAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Partly cloudy.
High Temperature............In the lower 90s.
Winds.......................Southwest winds 10 to 20 mph.
.SWIM RISK OUTLOOK...
.SATURDAY NIGHT...Low swim risk*.
.SUNDAY...Low swim risk*.
.SUNDAY NIGHT...Low swim risk*.
.MONDAY...Moderate swim risk*.
.MONDAY NIGHT...Low swim risk*.
.TUESDAY...Low swim risk*.
&&
Swim Risk Category
* Low Risk - Large waves and dangerous currents are not expected,
however dangerous currents may exist at any time near piers,
breakwalls, and river outlets.
* Moderate Risk - Breaking waves and currents are expected. Stay away
from dangerous areas like piers, breakwalls, and river outlets.
Always have a flotation device with you in the water.
* High Risk - Life-threatening waves and currents are expected. Stay
out of the water and stay away from dangerous areas like piers and
breakwalls.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/lot
$$