


Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
998 FZUS53 KLOT 030844 SRFLOT Surf Zone Forecast for Lake Michigan Beaches National Weather Service Chicago IL 344 AM CDT Wed Sep 3 2025 ILZ006-032115- Lake- Including the beaches of Illinois Beach State Park 344 AM CDT Wed Sep 3 2025 .TODAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Water Temperature...........69-73. Weather.....................Cloudy. A slight chance of thunderstorms with isolated showers in the morning. Numerous showers and a chance of thunderstorms in the afternoon. High Temperature............In the mid 70s. Winds.......................Southwest winds 10 to 15 mph, becoming west late. .TONIGHT... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly cloudy. A slight chance of thunderstorms with isolated showers early in the evening. Low Temperature.............In the upper 40s. Winds.......................Northwest winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly sunny, then becoming partly cloudy. High Temperature............In the upper 60s. Winds.......................West winds around 10 mph. .SWIM RISK OUTLOOK... .THURSDAY NIGHT...Moderate swim risk*. .FRIDAY...Moderate swim risk*. .FRIDAY NIGHT...Low swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...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 $$ ILZ103-104-032115- Northern Cook-Central Cook- Including the beaches of Chicago Park District 344 AM CDT Wed Sep 3 2025 .TODAY... Swim Risk*..................Low. Wave Height.................1 to 2 feet. Water Temperature...........67-71. Weather.....................Mostly cloudy. Scattered showers early in the afternoon. A chance of thunderstorms in the afternoon. Numerous showers late. High Temperature............In the mid 70s. Winds.......................Southwest winds 10 to 15 mph, becoming west late. .TONIGHT... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Weather.....................Mostly cloudy. Scattered showers and a chance of thunderstorms early in the evening. Low Temperature.............In the lower 50s. Winds.......................Northwest winds 15 to 20 mph. .THURSDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Mostly sunny. High Temperature............In the upper 60s. Winds.......................Northwest winds around 10 mph, becoming west late. .SWIM RISK OUTLOOK... .THURSDAY NIGHT...Low swim risk*. .FRIDAY...Low swim risk*. .FRIDAY NIGHT...Low swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$ INZ001-032115- Lake- Including the beaches of Indiana Dunes National Park 344 AM CDT Wed Sep 3 2025 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... .TODAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Water Temperature...........70-74. Weather.....................Mostly cloudy. Scattered showers early in the afternoon. A chance of thunderstorms in the afternoon. Numerous showers late. High Temperature............In the upper 70s. Winds.......................Southwest winds 10 to 15 mph, becoming west late. .TONIGHT... Swim Risk*..................High. Wave Height.................4 to 6 feet. Weather.....................Mostly cloudy. Numerous showers and a chance of thunderstorms early in the evening, then a slight chance of thunderstorms with isolated showers late in the evening. Low Temperature.............In the mid 50s. Winds.......................Northwest winds 15 to 20 mph. .THURSDAY... Swim Risk*..................High. Wave Height.................3 to 5 feet subsiding to 1 to 3 ft in the afternoon. Weather.....................Mostly sunny. High Temperature............In the upper 60s. Winds.......................Northwest winds 5 to 10 mph with gusts up to 20 mph, becoming west late. .SWIM RISK OUTLOOK... .THURSDAY NIGHT...Low swim risk*. .FRIDAY...Moderate swim risk*. .FRIDAY NIGHT...Low swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...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 $$ INZ002-032115- Porter- Including the beaches of Indiana Dunes National Park 344 AM CDT Wed Sep 3 2025 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... .TODAY... Swim Risk*..................Low. Wave Height.................1 to 3. Water Temperature...........70-74. Weather.....................Mostly cloudy. Scattered showers early in the afternoon. A chance of thunderstorms in the afternoon. Numerous showers late. High Temperature............In the upper 70s. Winds.......................Southwest winds 10 to 15 mph, becoming west late. .TONIGHT... Swim Risk*..................High. Wave Height.................4 to 6 feet. Weather.....................Mostly cloudy. Numerous showers and a chance of thunderstorms in the evening, then isolated showers after midnight. Low Temperature.............In the upper 50s. Winds.......................Northwest winds 15 to 20 mph with gusts up to 30 mph. .THURSDAY... Swim Risk*..................High. Wave Height.................4 to 6 feet subsiding to 2 to 4 ft in the afternoon. Weather.....................Mostly sunny. High Temperature............In the mid 60s. Winds.......................Northwest winds 10 to 15 mph, becoming west 5 to 10 mph late. .SWIM RISK OUTLOOK... .THURSDAY NIGHT...Low swim risk*. .FRIDAY...High swim risk*. .FRIDAY NIGHT...Moderate swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...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 $$