Chicago Harbor Lock
Loading live water release, lake level, and weather data…
Loading live water release, lake level, and weather data…
Fishing access map
Opens with nearby piers, bank access & slipways already loaded for Chicago Harbor Lock.
Fishing report & water release — real-time flow and lake level
Chicago Harbor Lock live release & water level dashboard. This page aggregates outflow (CFS), lake level/elevation, and weather in one place for trip planning. Data availability varies by site and can briefly lag during operations.
Latest value from the chart date range (pool / reservoir).
At or above flood pool (0.9 FT)
Estimated holding depth based on season, temperature, and flow.
Summer Low-Light Feed
Fish rise to feed during dawn/dusk before dropping deeper later.
Season
Jul
Weather at the ramp
Barometric pressure.
Good for reading surface activity.
For lake fishing conditions
Quick view of the official National Weather Service point forecast for this lake, tuned for boat and bank anglers.
NOAA forecast data is not available for this location right now.
Forecast data provided by NOAA / National Weather Service (`weather.gov`).
Get notified when flow changes
Get email notifications when water levels change. Set a custom threshold to be notified when conditions match your target.
Custom flow limit (CFS)
Get a personalized read on whether to fish today, plus bait and strategy tailored to your target species.
Analysis uses current outflow, level, weather, and pressure trend.
Or email info@alert.catchdamfish.com with "Lake name, state" in the body.
Measured in ft
Level Scale
Reading Log: 7-Day Temporal Window
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The latest water level at Chicago Harbor Lock is about 1.32 ft. That's about 1.4 ft above the normal conservation pool of -0.08 ft. See the live level chart above for the latest trend.