FZUS53 KLOT 222031 SRFLOT Surf Zone Forecast for Lake Michigan Beaches National Weather Service Chicago IL 331 PM CDT Sat Aug 22 2026 ILZ006-232045- Lake- Including the beaches of Illinois Beach State Park 331 PM CDT Sat Aug 22 2026 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Water Temperature...........71-75. Weather.....................Partly cloudy with a slight chance of a shower or thunderstorm. High Temperature............In the upper 70s. Winds.......................Northwest at around 15 mph with gusts up to 25 mph. .TONIGHT... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Weather.....................Partly cloudy with a slight chance of a shower or thunderstorm. Low Temperature.............Around 60. Winds.......................Northwest winds 5 to 10 mph. .SUNDAY... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Weather.....................Partly cloudy. High Temperature............In the mid 70s. Winds.......................Northwest winds 10 to 15 mph. .SWIM RISK OUTLOOK... .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...Low swim risk*. .TUESDAY NIGHT...Low swim risk*. .WEDNESDAY...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 $$ ILZ103-104-232045- Northern Cook-Central Cook- Including the beaches of Chicago Park District 331 PM CDT Sat Aug 22 2026 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... .REST OF TODAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Water Temperature...........71-75. Weather.....................Partly cloudy with a slight chance of a shower or thunderstorm. High Temperature............In the lower 80s. Winds.......................On the north shore, northwest at 10 to 15 mph. On the south shore, east at 5 to 10 mph. .TONIGHT... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Weather.....................Partly cloudy with a slight chance of a shower or thunderstorm. Low Temperature.............In the lower 60s. Winds.......................Northwest winds 10 to 15 mph. .SUNDAY... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Weather.....................Partly cloudy. High Temperature............In the mid 70s. Winds.......................Northwest winds 10 to 15 mph. .SWIM RISK OUTLOOK... .SUNDAY NIGHT...Moderate swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...Low swim risk*. .TUESDAY NIGHT...Low swim risk*. .WEDNESDAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$ INZ001-232045- Lake- Including the beaches of Indiana Dunes National Park 331 PM CDT Sat Aug 22 2026 ...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... .REST OF TODAY... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Water Temperature...........72-76. Weather.....................Partly cloudy with a slight chance of a shower or thunderstorm. High Temperature............In the upper 70s. Winds.......................North winds 5 to 10 mph with gusts up to 20 mph. .TONIGHT... Swim Risk*..................High. Wave Height.................3 to 5 feet. Weather.....................Partly cloudy with a slight chance of a shower or thunderstorm. Low Temperature.............In the mid 60s. Winds.......................North winds 5 to 10 mph. .SUNDAY... Swim Risk*..................High. Wave Height.................3 to 5 feet. Weather.....................Partly cloudy. High Temperature............In the mid 70s. Winds.......................North winds 10 to 15 mph. .SWIM RISK OUTLOOK... .SUNDAY NIGHT...High swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...Low swim risk*. .TUESDAY NIGHT...Low swim risk*. .WEDNESDAY...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 $$ INZ002-232045- Porter- Including the beaches of Indiana Dunes National Park 331 PM CDT Sat Aug 22 2026 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH SUNDAY EVENING... .REST OF TODAY... Swim Risk*..................High. Wave Height.................3 to 5 feet. Water Temperature...........72-76. Weather.....................Partly cloud with a slight chance of a shower or thunderstorm. High Temperature............In the upper 70s. Winds.......................North winds 5 to 10 mph. .TONIGHT... Swim Risk*..................High. Wave Height.................3 to 5 feet. Weather.....................Partly cloudy with a slight chance of a shower or thunderstorm. Low Temperature.............In the mid 60s. Winds.......................North winds 10 to 15 mph. .SUNDAY... Swim Risk*..................High. Wave Height.................4 to 6 feet. Weather.....................Partly cloudy. High Temperature............In the lower 70s. Winds.......................Northwest winds 10 to 15 mph. .SWIM RISK OUTLOOK... .SUNDAY NIGHT...High swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...Low swim risk*. .TUESDAY NIGHT...Low swim risk*. .WEDNESDAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away fromdangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$