


Surf Forecast
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
855 FZUS53 KLOT 012342 SRFLOT Surf Zone Forecast for Lake Michigan Beaches National Weather Service Chicago IL 642 PM CDT Fri Aug 1 2025 ILZ006-020915- Lake- Including the beaches of Illinois Beach State Park 642 PM CDT Fri Aug 1 2025 .TONIGHT... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Water Temperature...........71-75. Weather.....................Partly cloudy. Low Temperature.............In the lower 60s. Winds.......................Northeast winds 10 to 15 mph, becoming east around 5 mph late. .SATURDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Partly cloudy. High Temperature............In the mid 70s. Winds.......................Northeast winds 5 to 10 mph. .SWIM RISK OUTLOOK... .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...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 $$ ILZ103-104-020915- Northern Cook-Central Cook- Including the beaches of Chicago Park District 642 PM CDT Fri Aug 1 2025 .TONIGHT... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Water Temperature...........72-76. Weather.....................Partly cloudy. Low Temperature.............In the mid 60s. Winds.......................Northeast winds 10 to 15 mph, becoming east around 5 mph late. .SATURDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Partly cloudy. High Temperature............In the mid 70s. Winds.......................Northeast winds 5 to 10 mph, becoming around 10 mph late. .SWIM RISK OUTLOOK... .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$ INZ001-020915- Lake- Including the beaches of Indiana Dunes National Park 642 PM CDT Fri Aug 1 2025 .TONIGHT... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Water Temperature...........71-75. Weather.....................Partly cloudy. Low Temperature.............In the lower 60s. Winds.......................Northeast winds 10 to 15 mph, becoming east around 5 mph late. .SATURDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Partly cloudy. High Temperature............In the mid 70s. Winds.......................Southeast winds around 5 mph, becoming northeast in the late morning and afternoon. .SWIM RISK OUTLOOK... .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...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 $$ INZ002-020915- Porter- Including the beaches of Indiana Dunes National Park 642 PM CDT Fri Aug 1 2025 .TONIGHT... Swim Risk*..................Moderate. Wave Height.................2 to 4 feet. Water Temperature...........71-75. Weather.....................Partly cloudy. Low Temperature.............In the lower 60s. Winds.......................Northeast winds 10 to 15 mph, becoming east around 5 mph late. .SATURDAY... Swim Risk*..................Low. Wave Height.................1 to 3 feet. Weather.....................Partly cloudy. High Temperature............In the mid 70s. Winds.......................Southeast winds around 5 mph, becoming northeast in the late morning and afternoon. .SWIM RISK OUTLOOK... .SATURDAY NIGHT...Low swim risk*. .SUNDAY...Low swim risk*. .SUNDAY NIGHT...Low swim risk*. .MONDAY...Low swim risk*. .MONDAY NIGHT...Low swim risk*. .TUESDAY...Low swim risk*. && Swim Risk Category * Low Risk - Large waves and dangerous currents are not expected, however dangerous currents may exist at any time near piers, breakwalls, and river outlets. * Moderate Risk - Breaking waves and currents are expected. Stay away from dangerous areas like piers, breakwalls, and river outlets. Always have a flotation device with you in the water. * High Risk - Life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. ** For thunderstorm, waterspout, and UV definitions see: https://www.weather.gov/beach/lot $$