487
FZUS53 KLOT 300840
SRFLOT

Surf Zone Forecast for Lake Michigan Beaches
National Weather Service Chicago IL
340 AM CDT Wed Sep 30 2026

ILZ006-010845-
Lake-
Including the beaches of Illinois Beach State Park
340 AM CDT Wed Sep 30 2026

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........63-67.
Weather.....................Cloudy. Showers and a slight chance of
                            thunderstorms.
High Temperature............In the upper 60s.
Winds.......................Southwest winds 10 to 15 mph with gusts
                            up to 20 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Weather.....................Cloudy. Showers.
Low Temperature.............In the mid 60s.
Winds.......................Southwest winds 10 to 15 mph,
                            diminishing to around 5 mph late.

NOTE: This is the final beach forecast of the 2026 season.
The 2027 season will begin just prior to Memorial Day Weekend.

&&

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

$$

ILZ103-104-010845-
Northern Cook-Central Cook-
Including the beaches of Chicago Park District
340 AM CDT Wed Sep 30 2026

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 3 feet.
Water Temperature...........62-66.
Weather.....................Cloudy. Showers. A slight chance of
                            thunderstorms in afternoon.
High Temperature............In the upper 60s.
Winds.......................South winds 10 to 15 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Cloudy. Showers.
Low Temperature.............In the mid 60s.
Winds.......................Southwest winds 5 to 10 mph.

NOTE: This is the final beach forecast of the 2026 season.
The 2027 season will begin just prior to Memorial Day Weekend.

&&

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

$$

INZ001-010845-
Lake-
Including the beaches of Indiana Dunes National Park
340 AM CDT Wed Sep 30 2026

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........60-64.
Weather.....................Cloudy. Showers. A slight chance of
                            thunderstorms in afternoon.
High Temperature............In the upper 60s.
Winds.......................South winds 10 to 15 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Cloudy. Showers.
Low Temperature.............In the mid 60s.
Winds.......................South winds 5 to 10 mph.

NOTE: This is the final beach forecast of the 2026 season.
The 2027 season will begin just prior to Memorial Day Weekend.

&&

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

$$

INZ002-010845-
Porter-
Including the beaches of Indiana Dunes National Park
340 AM CDT Wed Sep 30 2026

.TODAY...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Water Temperature...........60-64.
Weather.....................Cloudy. Showers. A slight chance of
                            thunderstorms in afternoon.
High Temperature............In the upper 60s.
Winds.......................South winds around 10 mph.

.TONIGHT...
Swim Risk*..................Low.
Wave Height.................1 to 2 feet.
Weather.....................Cloudy. Showers.
Low Temperature.............In the mid 60s.
Winds.......................South winds 5 to 10 mph.

NOTE: This is the final beach forecast of the 2026 season.
The 2027 season will begin just prior to Memorial Day Weekend.

&&

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

NOTE: This is the final beach forecast of the 2026 season.
The 2027 season will begin just prior to Memorial Day Weekend.

$$

Petr