FZUS53 KLOT 091819 SRFLOT Surf Zone Forecast for Lake Michigan Beaches National Weather Service Chicago IL 119 PM CDT Thu Jul 9 2026 ILZ006-101830- Lake- Including the beaches of Illinois Beach State Park 119 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.......................Southwest winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Weather.....................Mostly cloudy. Scattered showers in the evening. A slight chance of thunderstorms until early morning. Isolated showers after midnight. Patchy fog in the late evening and early morning. Areas of fog late. Low Temperature.............In the mid 60s. Winds.......................North winds around 5 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 upper 70s. Winds.......................Northeast winds 5 to 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 $$ ILZ103-104-101830- Northern Cook-Central Cook- Including the beaches of Chicago Park District 119 PM CDT Thu Jul 9 2026 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Water Temperature...........70-74. Weather.....................Mostly cloudy. Isolated showers early in the afternoon. Isolated thunderstorms. Scattered showers late. High Temperature............In the mid 80s. Winds.......................Southwest winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Weather.....................Mostly cloudy. Scattered showers and a slight chance of thunderstorms. Patchy fog after midnight. Areas of fog late. Low Temperature.............In the upper 60s. Winds.......................Southwest winds around 5 mph, becoming northeast in the late evening and overnight. .FRIDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly cloudy. Isolated showers early in the morning. Areas of fog early in the morning, then patchy fog late in the morning. High Temperature............In the upper 70s. Winds.......................North winds 5 to 10 mph. .SWIM RISK OUTLOOK... .FRIDAYNIGHT...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 $$ INZ001-101830- Lake- Including the beaches of Indiana Dunes National Park 119 PM CDT Thu Jul 9 2026 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Water Temperature...........72-76. Weather.....................Mostly cloudy. Isolated showers early in the afternoon. Isolated thunderstorms. Scattered showers late. High Temperature............In the mid 80s. Winds.......................Southwest winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Mostly cloudy. Scattered showers and a slight chance of thunderstorms. Patchy fog after midnight. Areas of fog late. Low Temperature.............Around 70. Winds.......................Southwest winds around 5 mph, becoming north in the late evening and overnight. .FRIDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly cloudy. A slight chance of showers early in the morning. Areas of fog early in the morning, then patchy fog late in the morning. High Temperature............In the upper 70s. Winds.......................North winds 5 to 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 $$ INZ002-101830- Porter- Including the beaches of Indiana Dunes National Park 119 PM CDT Thu Jul 9 2026 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Water Temperature...........72-76. Weather.....................Mostly cloudy. Isolated showers early in the afternoon. Isolated thunderstorms. Scattered showers late. High Temperature............In the lower 80s. Winds.......................Southwest winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Mostly cloudy. Scattered showers and aslight chance of thunderstorms. Patchy fog after midnight. Areas of fog late. Low Temperature.............Around 70. Winds.......................Southwest winds around 5 mph, becoming northeast in the late evening and early morning, then becoming north late. .FRIDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly cloudy. Areas of fog early in the morning. Patchy fog late in the morning. A slight chance of showers until late afternoon. High Temperature............In the mid 70s. Winds.......................North winds 5 to 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 $$