


Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
517 FZUS53 KLOT 240237 AAA SRFLOT Surf Zone Forecast for Lake Michigan Beaches...UPDATED National Weather Service Chicago IL 937 PM CDT Wed Jul 23 2025 ILZ006-240915- Lake- Including the beaches of Illinois Beach State Park 937 PM CDT Wed Jul 23 2025 .TONIGHT... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Water Temperature...........69-73. Weather.....................Mostly clear. Low Temperature.............In the upper 70s. Winds.......................Southwest winds around 10 mph. .THURSDAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Partly cloudy. A slight chance of showers and thunderstorms late in the morning. A chance of showers and thunderstorms in the afternoon. High Temperature............In the lower 90s. Winds.......................Southwest winds 10 to 15 mph. .SWIM RISK OUTLOOK... .THURSDAY NIGHT...Low swim risk*. .FRIDAY...Low 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 $$ ILZ103-104-240915- Northern Cook-Central Cook- Including the beaches of Chicago Park District 937 PM CDT Wed Jul 23 2025 .TONIGHT... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Water Temperature...........70-74. Weather.....................Mostly clear. Low Temperature.............In the upper 70s. Winds.......................South winds around 10 mph. .THURSDAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Partly cloudy. A slight chance of showers and thunderstorms late in the morning. A chance of showers and thunderstorms in the afternoon. High Temperature............In the mid 90s. Winds.......................Southwest winds 10 to 15 mph. .SWIM RISK OUTLOOK... .THURSDAY NIGHT...Low swim risk*. .FRIDAY...Low swim risk*. .FRIDAY NIGHT...Low swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$ INZ001-240915- Lake- Including the beaches of Indiana Dunes National Park 937 PM CDT Wed Jul 23 2025 .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Water Temperature...........69-73. Weather.....................Mostly clear. Low Temperature.............In the upper 70s. Winds.......................South winds around 10 mph. .THURSDAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Mostly sunny, then becoming partly cloudy. A chance of showers and thunderstorms in the afternoon. High Temperature............In the mid 90s. Winds.......................Southwest winds 10 to 15 mph. .SWIM RISK OUTLOOK... .THURSDAY NIGHT...Low swim risk*. .FRIDAY...Low 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 $$ INZ002-240915- Porter- Including the beaches of Indiana Dunes National Park 937 PM CDT Wed Jul 23 2025 .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Water Temperature...........69-73. Weather.....................Mostly clear. Low Temperature.............In the upper 70s. Winds.......................South winds around 10 mph. .THURSDAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Weather.....................Mostly sunny, then becoming partly cloudy. A chance of showers and thunderstorms in the afternoon. High Temperature............In the mid 90s. Winds.......................Southwest winds 10 to 15 mph, becoming west late. .SWIM RISK OUTLOOK... .THURSDAY NIGHT...Low swim risk*. .FRIDAY...Low swim risk*. .FRIDAY NIGHT...Low swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$