FZUS53 KLOT 092048 SRFLOT Surf Zone Forecast for Lake Michigan Beaches National Weather Service Chicago IL 348 PM CDT Thu Jul 9 2026 ILZ006-102100- Lake- Including the beaches of Illinois Beach State Park 348 PM CDT Thu Jul 9 2026 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Water Temperature...........69-73. Weather.....................Mostly cloudy. Scattered showers with isolated thunderstorms. High Temperature............In the mid 80s. Winds.......................Variable winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Weather.....................Mostly cloudy. Scattered showers with isolated thunderstorms in the evening. Isolated showers and areas of fog after midnight. Low Temperature.............In the mid 60s. Winds.......................Northeast winds 5 to 10 mph. .FRIDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly cloudy. Areas of fog early in the morning. High Temperature............In the mid to upper 70s. Winds.......................Northeast to north winds around 10 mph. .SWIM RISK OUTLOOK... .FRIDAY NIGHT...Low swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MONDAY...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 $$ ILZ103-104-102100- Northern Cook-Central Cook- Including the beaches of Chicago Park District 348 PM CDT Thu Jul 9 2026 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Water Temperature...........70-74. Weather.....................Mostly cloudy. Scattered showers with isolated thunderstorms. High Temperature............In the mid 80s. Winds.......................Variable winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Weather.....................Mostly cloudy. Scattered showers. Isolated thunderstorms in the evening, and then a slight chance of thunderstorms and areas of fog after midnight. Low Temperature.............In the upper 60s. Winds.......................Northeast winds 5 to 10 mph. .FRIDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly cloudy. Slight chance of showers and areas of fog early in the morning. High Temperature............In the mid to upper 70s. Winds.......................North winds around 10 mph. .SWIM RISK OUTLOOK... .FRIDAY NIGHT...Low swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$ INZ001-102100- Lake- Including the beaches of Indiana Dunes National Park 348 PM CDT Thu Jul 9 2026 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Water Temperature...........72-76. Weather.....................Mostly cloudy. Scattered showers with isolated thunderstorms. High Temperature............In the mid 80s. Winds.......................West winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Mostly cloudy. Scattered showers. Isolated thunderstorms in the evening, and then a slight chance of thunderstorms and areas of fog after midnight. Low Temperature.............Around 70. Winds.......................North winds 5 to 10 mph. .FRIDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly cloudy. A slight chance of showers and areas of fog early in the morning. High Temperature............In the mid to upper 70s. Winds.......................North winds around 10 mph. .SWIM RISK OUTLOOK... .FRIDAY NIGHT...Low swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MONDAY...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 $$ INZ002-102100- Porter- Including the beaches of Indiana Dunes National Park 348 PM CDT Thu Jul 9 2026 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Water Temperature...........72-76. Weather.....................Mostly cloudy. Scattered showers with isolated thunderstorms. High Temperature............In the lower 80s. Winds.......................West winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Mostly cloudy. Scattered showers. Isolated thunderstorms in the evening, and then a slight chance of thunderstorms and areas of fog after midnight. Low Temperature.............Around 70. Winds.......................North to northeast winds 5 to 10 mph. .FRIDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly cloudy. A slight chance of showers and areas of fog early in the morning. High Temperature............In the mid 70s. Winds.......................North winds around 10 mph. .SWIM RISK OUTLOOK... .FRIDAY NIGHT...Low swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$