


Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
024 FZUS53 KLOT 111515 SRFLOT Surf Zone Forecast for Lake Michigan Beaches National Weather Service Chicago IL 1015 AM CDT Mon Aug 11 2025 ILZ006-112130- Lake- Including the beaches of Illinois Beach State Park 1015 AM CDT Mon Aug 11 2025 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Water Temperature...........72-76. Weather.....................Mostly cloudy. A slight chance of showers and thunderstorms. High Temperature............In the mid 80s. Winds.......................Southwest winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Partly cloudy, then becoming mostly cloudy. A slight chance of showers and thunderstorms early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. Low Temperature.............In the lower 70s. Winds.......................South winds 5 to 10 mph. .TUESDAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Mostly cloudy. Showers likely and a chance of thunderstorms. High Temperature............In the lower 80s. Winds.......................Southwest winds 5 to 10 mph. .SWIM RISK OUTLOOK... .TUESDAY NIGHT...Low swim risk*. .WEDNESDAY...Low swim risk*. .WEDNESDAY NIGHT...Low swim risk*. .THURSDAY...Low swim risk*. .THURSDAY NIGHT...Low swim risk*. .FRIDAY...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 $$ ILZ103-104-112130- Northern Cook-Central Cook- Including the beaches of Chicago Park District 1015 AM CDT Mon Aug 11 2025 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Water Temperature...........74-78. Weather.....................Mostly cloudy. A slight chance of showers and thunderstorms late this morning. A chance of showers and thunderstorms in the afternoon. High Temperature............In the upper 80s. Winds.......................Southwest winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Partly cloudy, then becoming mostly cloudy. A slight chance of showers and thunderstorms early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. Low Temperature.............In the mid 70s. Winds.......................South winds 5 to 10 mph. .TUESDAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Mostly cloudy. Showers likely and a chance of thunderstorms. High Temperature............In the mid 80s. Winds.......................Southwest winds 5 to 10 mph. .SWIM RISK OUTLOOK... .TUESDAY NIGHT...Low swim risk*. .WEDNESDAY...Low swim risk*. .WEDNESDAY NIGHT...Low swim risk*. .THURSDAY...Low swim risk*. .THURSDAY NIGHT...Low swim risk*. .FRIDAY...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 $$ INZ001-112130- Lake- Including the beaches of Indiana Dunes National Park 1015 AM CDT Mon Aug 11 2025 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Water Temperature...........74-78. Weather.....................Mostly cloudy. A slight chance of showers and thunderstorms late this morning. A chance of showers and thunderstorms in the afternoon. High Temperature............In the upper 80s. Winds.......................Southwest winds around 10 mph with gusts up to 20 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Partly cloudy, then becoming mostly cloudy. A chance of showers and thunderstorms. Low Temperature.............In the lower 70s. Winds.......................South winds 5 to 10 mph. .TUESDAY... Swim Risk*..................Low. Wave Height.................1 foot or less. Weather.....................Mostly cloudy. Showers likely and a chance of thunderstorms. High Temperature............In the mid 80s. Winds.......................Southwest winds 5 to 10 mph. .SWIM RISK OUTLOOK... .TUESDAY NIGHT...Low swim risk*. .WEDNESDAY...Low swim risk*. .WEDNESDAY NIGHT...Low swim risk*. .THURSDAY...Low swim risk*. .THURSDAY NIGHT...Low swim risk*. .FRIDAY...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 $$ INZ002-112130- Porter- Including the beaches of Indiana Dunes National Park 1015 AM CDT Mon Aug 11 2025 .REST OF TODAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Water Temperature...........74-78. Weather.....................Mostly cloudy. A slight chance of showers and thunderstorms late this morning. A chance of showers and thunderstorms in the afternoon. High Temperature............In the upper 80s. Winds.......................Southwest winds 5 to 10 mph. .TONIGHT... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Mostly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms late in the evening. A chance of showers and thunderstorms after midnight. Low Temperature.............In the lower 70s. Winds.......................South winds 5 to 10 mph. .TUESDAY... Swim Risk*..................Low. Wave Height.................Around 1 foot. Weather.....................Mostly cloudy. Showers likely and a chance of thunderstorms. High Temperature............In the mid 80s. Winds.......................Southwest winds 5 to 10 mph. .SWIM RISK OUTLOOK... .TUESDAY NIGHT...Low swim risk*. .WEDNESDAY...Low swim risk*. .WEDNESDAY NIGHT...Low swim risk*. .THURSDAY...Low swim risk*. .THURSDAY NIGHT...Low swim risk*. .FRIDAY...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 $$