Lake · Illinois
Lake Michigan at Chicago Lock
Current Lake Rating
Unavailable
A condition rating is not available from the current lake evidence.
Rating confidence: Low
Should I Go?
Not Enough Data
Fishing guidance for this destination based on available lake conditions, weather, and seasonal context. It is not a boating, swimming, ice, or access-safety rating.
Why
- Not enough current water information is available to recommend a reliable fishing window
- Live water observations could not be retrieved at this time.
Current Readings
Key lake readings are not available right now.
Better Nearby Options
Checking nearby StrikeTracks waters…
Weather Near Lake
Current Weather
Overcast
Temperature
73°F
Feels like
82°F
Wind
3 mph SE
Wind gust
5 mph
Current precipitation
0.00 in
Updated
Sep 5, 2026, 2:45 AM
Recent Rainfall
Estimated precipitation near this lake
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this lake.
Next 24 Hours
Sat 3 AM
Overcast
Temp 72°F
Chance 4%
Precip 0.00 in
Wind 3 mph
Sat 7 AM
Overcast
Temp 72°F
Chance 4%
Precip 0.00 in
Wind 6 mph
Sat 11 AM
Fog
Temp 73°F
Chance 1%
Precip 0.00 in
Wind 11 mph
Sat 3 PM
Mostly clear
Temp 75°F
Chance 0%
Precip 0.00 in
Wind 12 mph
Sat 7 PM
Mostly clear
Temp 72°F
Chance 0%
Precip 0.00 in
Wind 12 mph
Sat 11 PM
Clear
Temp 69°F
Chance 0%
Precip 0.00 in
Wind 13 mph
Four-Day Forecast
Sat, Sep 5
Fog
High 76°F / Low 69°F
Chance 38%
Precip 0.00 in
Max gust 22 mph
Sun, Sep 6
Overcast
High 75°F / Low 68°F
Chance 3%
Precip 0.00 in
Max gust 22 mph
Mon, Sep 7
Overcast
High 77°F / Low 66°F
Chance 1%
Precip 0.00 in
Max gust 17 mph
Tue, Sep 8
Overcast
High 87°F / Low 66°F
Chance 4%
Precip 0.00 in
Max gust 33 mph
Weather and rainfall are estimated for this lake's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence lake level and access, but the timing and magnitude depend on watershed size, soil conditions, and reservoir operations where applicable.
Weather data: Open-Meteo
Lake Elevation History
Elevation is reported relative to the datum used by this USGS monitoring site. Elevations from different lakes or datums should not be directly compared.
Loading historical elevation…
Fishery Profile
Documented species you may encounter at Lake Michigan.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Fishery overview
This identity is Illinois Lake Michigan at Chicago Lock, not the Wisconsin, Indiana, or Michigan lake. IDNR / iFishIllinois manage a salmon, trout, yellow perch, and smallmouth fishery along the Cook County lakefront. A Lake Michigan Salmon Stamp is required to harvest trout and salmon.
Target species
Chinook Salmon
Oncorhynchus tshawytscha
- Expectation
- Primary
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
IDNR Lake Michigan Chinook stocking and harvest. Salmon stamp required to harvest.
Coho Salmon
Oncorhynchus kisutch
- Expectation
- Primary
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
IDNR Lake Michigan Coho stocking and harvest. Salmon stamp required to harvest.
Steelhead
Oncorhynchus mykiss
Canonical species: Rainbow Trout
- Expectation
- Primary
- Population
- Migratory
- Native status
- introduced
- Confidence
- High confidence
Illinois Lake Michigan steelhead (rainbow trout). Salmon stamp required to harvest. Display as Steelhead.
Yellow Perch
Perca flavescens
- Expectation
- Primary
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Historic Chicago lakefront perch fishery. Closed May 1–June 15. 15-fish daily limit in current iFishIllinois site rules.
Brown Trout
Salmo trutta
- Expectation
- Common
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
IDNR stocks brown trout in Illinois Lake Michigan. Salmon stamp required to harvest.
Lake Trout
Salvelinus namaycush
- Expectation
- Common
- Population
- Stocked
- Native status
- native
- Confidence
- High confidence
Lake trout fishery includes hatchery plants at Julian’s Reef and a growing wild-spawned share. Salmon stamp required to harvest.
Smallmouth Bass
Micropterus dolomieu
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Illinois Lake Michigan smallmouth along harbors and shoreline structure. 21-inch minimum and 1-fish daily limit in current site rules.
Fishery characteristics
- Composition
- Mixed wild and stocked
Great Lakes nearshore at Chicago Lock: harbors, revetments, and open-lake water. Cold, low-nutrient lake with harbor warmwater pockets. This pin does not represent the entire lake.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Shore fishing
- Spinning
- Trolling
Access and Public Fishing Rights
Public shore fishing and marina/boat access are documented for Illinois Lake Michigan, including Chicago harbors. Catalog coordinates are the Chicago Lock USGS point. Confirm current Chicago Park District and IDNR access rules.
Stocking information
IDNR Lake Michigan program stocks Chinook, coho, rainbow (steelhead), brown trout, and lake trout. Recent iFishIllinois records include large annual salmon and trout plants. Confirm current official stocking.
- Stocked
Chinook Salmon
Stocked · Illinois Department of Natural Resources
- Stocked
Coho Salmon
Stocked · Illinois Department of Natural Resources
- Stocked
Brown Trout
Stocked · Illinois Department of Natural Resources
- Stocked
Lake Trout
Stocked · Illinois Department of Natural Resources
Official sources
Lake Michigan Salmon Stamp required to harvest trout and salmon. Yellow perch closed May 1–June 15. Illinois site rules include attended lines, trout/salmon and lake-trout limits, and 21-inch / 1-fish black bass. Confirm current IDNR regulations. This is Illinois water only.
Hatch Match
General fly suggestions
- Woolly-bugger-style streamerConservative overlap streamer family. Not an insect Hatch claim.
- Parachute-style dryOne general surface family appropriate to mixed fisheries — not a Hatch report.
- Pheasant-tail-style nymphOne general subsurface family. Not destination entomology.
These are general fishing suggestions, not a report of insects currently hatching at this destination.
Location and Access
Cataloged lake location
Illinois
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
Lake Details
Management Category
Illinois Lake Michigan
Regulation Scope
Illinois Lake Michigan at Chicago Lock
Regulation Summary
Illinois Lake Michigan rules apply at Chicago Lock, not whole-lake Michigan rules from other states. A Lake Michigan Salmon Stamp is required to harvest trout and salmon. Yellow perch are closed May 1–June 15. Confirm current IDNR limits.
Target Species
Chinook Salmon, Coho Salmon, Steelhead, Brown Trout, Lake Trout, Yellow Perch, Smallmouth Bass
Public Access
Public
Boat Launch
Available
Shore Fishing
Available
Description
Illinois waters of Lake Michigan at Chicago Lock, USGS 04087440. Coordinates are the USGS monitoring-location point. App-supported continuous parameters currently available: gage height (00065). This identity is the Chicago Lock Illinois shoreline and nearshore, not the whole of Lake Michigan.
