Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
986 FZUS53 KLOT 210840 SRFLOT Surf Zone Forecast for Lake Michigan Beaches National Weather Service Chicago IL 340 AM CDT Thu May 21 2026 ILZ006-220845- Lake- Including the beaches of Illinois Beach State Park 340 AM CDT Thu May 21 2026 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH SATURDAY AFTERNOON... .TODAY... Swim Risk*..................High. Wave Height.................4 to 6 feet. Water Temperature...........52-56. Weather.....................Mostly cloudy. A slight chance of sprinkles late in the morning. High Temperature............In the mid 50s. Winds.......................Northeast winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT... Swim Risk*..................High. Wave Height.................3 to 5 feet. Weather.....................Mostly cloudy. Low Temperature.............In the upper 40s. Winds.......................Northeast winds 15 to 20 mph, becoming east 10 to 15 mph after midnight. .FRIDAY... Swim Risk*..................High. Wave Height.................3 to 5 feet. Weather.....................Mostly cloudy. A slight chance of showers in the afternoon. High Temperature............Around 60. Winds.......................Northeast winds around 15 mph with gusts up to 25 mph. .SWIM RISK OUTLOOK... .FRIDAY NIGHT...High swim risk*. .SATURDAY...High swim risk in the morning*. .SATURDAY NIGHT...Moderate swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MEMORIAL DAY...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 $$ ILZ103-104-220845- Northern Cook-Central Cook- Including the beaches of Chicago Park District 340 AM CDT Thu May 21 2026 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH SATURDAY AFTERNOON... .TODAY... Swim Risk*..................High. Wave Height.................4 to 6 feet. Water Temperature...........51-55. Weather.....................Partly cloudy. High Temperature............In the upper 50s. Winds.......................Northeast winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT... Swim Risk*..................High. Wave Height.................3 to 5 feet. Weather.....................Mostly cloudy. Low Temperature.............Around 50. Winds.......................Northeast winds 15 to 20 mph with gusts up to 30 mph, becoming east 10 to 15 mph after midnight. .FRIDAY... Swim Risk*..................High. Wave Height.................3 to 5 feet. Weather.....................Mostly cloudy. A slight chance of showers in the afternoon. High Temperature............Around 60. Winds.......................Northeast winds around 15 mph with gusts up to 25 mph. .SWIM RISK OUTLOOK... .FRIDAY NIGHT...High swim risk*. .SATURDAY...High swim risk in the morning*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MEMORIAL DAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$ INZ001-220845- Lake- Including the beaches of Indiana Dunes National Park 340 AM CDT Thu May 21 2026 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH LATE TONIGHT... .TODAY... Swim Risk*..................High. Wave Height.................4 to 6 feet. Water Temperature...........53-57. Weather.....................Partly cloudy. High Temperature............In the upper 50s. Winds.......................Breezy. Northeast winds 20 to 25 mph. .TONIGHT... Swim Risk*..................High. Wave Height.................3 to 5 feet subsiding to 2 to 4 feet. Weather.....................Partly cloudy, then becoming mostly cloudy. Low Temperature.............Around 50. Winds.......................Northeast winds 15 to 20 mph with gusts up to 30 mph, becoming east 10 to 15 mph after midnight. .FRIDAY... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Weather.....................Mostly cloudy. A chance of showers in the afternoon. High Temperature............In the mid 60s. Winds.......................Northeast winds 10 to 15 mph with gusts up to 25 mph. .SWIM RISK OUTLOOK... .FRIDAY NIGHT...Moderate swim risk*. .SATURDAY...Moderate swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MEMORIAL DAY...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 $$ INZ002-220845- Porter- Including the beaches of Indiana Dunes National Park 340 AM CDT Thu May 21 2026 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING... .TODAY... Swim Risk*..................High. Wave Height.................3 to 5 feet. Water Temperature...........53-57. Weather.....................Partly cloudy. High Temperature............In the lower 60s. Winds.......................Northeast winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT... Swim Risk*..................High. Wave Height.................3 to 5 feet subsiding to 2 to 4 ft late. Weather.....................Partly cloudy, then becoming mostly cloudy. Low Temperature.............In the lower 50s. Winds.......................Northeast winds 15 to 20 mph with gusts up to 30 mph, becoming east around 10 mph with gusts up to 30 mph in the late evening and overnight. .FRIDAY... Swim Risk*..................Low. Wave Height.................2 to 4 feet. Weather.....................Mostly cloudy. A chance of showers in the afternoon. High Temperature............In the upper 60s. Winds.......................East winds 10 to 15 mph with gusts up to 25 mph. .SWIM RISK OUTLOOK... .FRIDAY NIGHT...Moderate swim risk*. .SATURDAY...Low swim risk*. .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MEMORIAL DAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$