Chicago Harbor Lock Fishing Report
Based on live releases/levels and local weather.
Plan Chicago Harbor Lock (IL) trips with real-time outflow, lake elevation, and weather pulled from public USACE sensors near Chicago. See species notes and where-to-fish access points.
Chicago Harbor Lock snapshot
Chicago Lock Chicago Harbor Lock sits near Chicago, IL and is monitored by the U.S. Army Corps of Engineers LRC district. Coordinates: 41.8884°, -87.6065°.
- Latest release
- Not reported
- Latest lake level
- Not reported
Release data is currently unavailable—use extra caution near tailwaters and fast water.
Source: U.S. Army Corps of Engineers CWMS public feeds. See the Chicago Harbor Lock water level & flow charts for 7‑day history.