FZUS53 KLOT 181510 SRFLOT Surf Zone Forecast for Lake Michigan Beaches National Weather Service Chicago IL 1010 AM CDT Sat Jul 18 2026 ILZ006-191515- Lake- Including the beaches of Illinois Beach State Park 1010 AM CDT Sat Jul 18 2026 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING... .REST OF TODAY... Swim Risk*..................Moderate. Wave Height.................1 to 2 feet building to 2 to 4 feet. Water Temperature...........74-78. Weather.....................Mostly cloudy, then becoming partly cloudy. A chance of showers and thunderstorms this afternoon. High Temperature............In the upper 80s. Winds.......................Northwest winds 10 to 15 mph, becoming northeast late. .TONIGHT... Swim Risk*..................High. Wave Height.................4 to 7 feet. Weather.....................Partly cloudy. Patchy smoke. Low Temperature.............In the upper 60s. Winds.......................Northeast winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY... Swim Risk*..................High. Wave Height.................4 to 6 feet subsiding to 2 to 4 feet in the morning. Weather.....................Partly cloudy. Patchy smoke. High Temperature............In the upper 70s. Winds.......................Northeast winds 5 to 10 mph. .SWIM RISK OUTLOOK... .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...Low swim risk*. .TUESDAY NIGHT...High swim risk*. .WEDNESDAY...High 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 $$ ILZ103-104-191515- Northern Cook-Central Cook- Including the beaches of Chicago Park District 1010 AM CDT Sat Jul 18 2026 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING... .REST OF TODAY... Swim Risk*..................Moderate. Wave Height.................1 to 2 feet building to 2 to 4 feet. Water Temperature...........74-78. Weather.....................Mostly cloudy. A chance of showers and thunderstorms this afternoon. High Temperature............In the upper 80s. Winds.......................Northwest winds 10 to 15 mph, becoming northeast late. .TONIGHT... Swim Risk*..................High. Wave Height.................4 to 7 feet. Weather.....................Partly cloudy. Patchy smoke. Low Temperature.............In the lower 70s. Winds.......................Northeast winds 10 to 15 mph. .SUNDAY... Swim Risk*..................High. Wave Height.................4 to 6 feet subsiding to 2 to 4 feet in the morning. Weather.....................Partly cloudy. Patchy smoke. High Temperature............In the upper 70s. Winds.......................Northeast winds 5 to 10 mph. .SWIM RISK OUTLOOK... .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...Moderate swim risk*. .TUESDAY NIGHT...High swim risk*. .WEDNESDAY...High swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$ INZ001-191515- Lake- Including the beaches of Indiana Dunes National Park 1010 AM CDT Sat Jul 18 2026 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING... .REST OF TODAY... Swim Risk*..................Moderate. Wave Height.................1 to 3 feet building to 2 to 4 feet. Water Temperature...........76-80. Weather.....................Mostly cloudy. Showers and thunderstorms likely this afternoon. High Temperature............In the upper 80s. Winds.......................West winds 10 to 15 mph, becoming north late. .TONIGHT... Swim Risk*..................High. Wave Height.................4 to 7 feet. Weather.....................Partly cloudy. A chance of showers and thunderstorms early in the evening. Patchy smoke late in the evening and overnight. Low Temperature.............In the upper 60s. Winds.......................Northeast winds 10 to 15 mph. .SUNDAY... Swim Risk*..................High. Wave Height.................3 to 5 feet subsiding to 2 to 4 feet in the morning. Weather.....................Partly cloudy. Patchy smoke. High Temperature............In the upper 70s. Winds.......................Northeast winds 5 to 10 mph. .SWIM RISK OUTLOOK... .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...High swim risk*. .TUESDAY NIGHT...High swim risk*. .WEDNESDAY...High 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 $$ INZ002-191515- Porter- Including the beaches of Indiana Dunes National Park 1010 AM CDT Sat Jul 18 2026 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING... .REST OF TODAY... Swim Risk*..................Moderate. Wave Height.................1 to 3 feet building to 2 to 4 feet. Water Temperature...........76-80. Weather.....................Mostly cloudy. Showers and thunderstorms likely this afternoon. High Temperature............In the mid 80s. Winds.......................West winds 10 to 15 mph, becoming north late. .TONIGHT... Swim Risk*..................High. Wave Height.................4 to 7 feet. Weather.....................Partly cloudy. A chance of showers and thunderstorms early in the evening. Patchy smoke late in the evening and overnight. Low Temperature.............In the upper 60s. Winds.......................Northeast winds 10 to 15 mph. .SUNDAY... Swim Risk*..................High. Wave Height.................3 to 5 feet subsiding to 2 to 4 feet in the morning. Weather.....................Partly cloudy. Patchy smoke. High Temperature............In the mid 70s. Winds.......................Northeast winds 5 to 10 mph, becoming north late. .SWIM RISK OUTLOOK... .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...High swim risk*. .TUESDAY NIGHT...High swim risk*. .WEDNESDAY...High 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 $$