Big-city lakefront with a genuine salmon fishery off the breakwalls — Chinook and coho through the summer, lake trout deep off the cribs, and perch and smallmouth right along the harbor walls in fall.
Part of the Great Lakes region.
Biting right now — 8 species are worth targeting in September here, and the 5 marked Peak are at their best right now.
Tap any species for how to identify it, when it runs and what to throw. This is when the fish are active here — check the regulations below before you keep anything.
Chicago Harbor lies on the southwest shore of the lake 11 miles north of Calumet Harbor and comprises an outer harbor with outer and inner basins plus an inner harbor in the Chicago River and its branches. Chicago Harbor Light shows from a white conical tower 82 feet above the water, at the south end of the breakwater that forms the north side of the entrance channel.
On top of the fluctuations that affect the whole lake fairly evenly, local oscillations of up to 2 feet above or below Low Water Datum are reported here, lasting anywhere from a few minutes to a few hours and driven by wind and barometric-pressure changes.
Between Calumet Harbor and the mouth of the Chicago River, 11 miles of shore is bordered by shoals, detached shoal spots and submerged wrecks reaching about 4 miles out. Clarke Point Shoal, 1.2 miles north of the Calumet breakwater and marked at its outer end by a buoy, carries 5 to 9 feet and extends about 0.7 mile from shore; a wreck covered 20 feet lies a mile north-northeast of it, and another covered 14 feet about 0.3 mile north of the Calumet breakwater gap.
The inner basin and the river can only be entered through the Chicago Lock, 600 feet long and 80 feet wide with 23 feet over the sill. Depths inside are referred to normal pool level, 0.6 foot below the Low Water Datum used in the outer harbor and elsewhere on the lake. A security zone surrounds Four Mile Crib, about 2.6 miles east-southeast of Chicago Harbor Light.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Walleye | ||||||||||||
| Yellow Perch | ||||||||||||
| Smallmouth Bass | ||||||||||||
| Northern Pike | ||||||||||||
| Steelhead | ||||||||||||
| Brown Trout |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Walleye | ||||||||||||
| Smallmouth Bass | ||||||||||||
| Lake Trout | ||||||||||||
| Coho Salmon | ||||||||||||
| Muskie | ||||||||||||
| Whitefish |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chinook Salmon | ||||||||||||
| Coho Salmon | ||||||||||||
| Lake Trout | ||||||||||||
| Walleye | ||||||||||||
| Yellow Perch | ||||||||||||
| Steelhead |
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Typical: 15–25 in, 1–5 lb
Tell it apart: The milky light-reflecting eye, large canine teeth, and white-tipped lower tail lobe separate a walleye from a yellow perch, which has a normal dark eye and no canines.
Easily confused with: Yellow Perch
Typical: 7–11 in, 0.3–0.8 lb
Tell it apart: Bold dark vertical bars over a yellow body, orange-tinted lower fins, a normal dark eye, and no canine teeth mark it as a perch, not a walleye.
Easily confused with: Walleye
Typical: 12–18 in, 1–4 lb
Tell it apart: A bronze body with vertical bars, a red eye, and an upper jaw ending no farther back than the rear of the eye confirms smallmouth (largemouth's jaw extends well past the eye and it shows a horizontal stripe, not bars).
Typical: 20–30 in, 2–8 lb
Tell it apart: Pike show LIGHT spots on a DARK background, a fully scaled cheek, and 5 or fewer jaw pores; muskie reverse it (dark marks on a light body, scaleless lower cheek) with 6-9 pores per side.
Easily confused with: Muskie
Typical: 24–30 in, 5–10 lb
Tell it apart: A white mouth AND white gums with spots radiating across the whole tail separate a steelhead from coho (dark mouth, white gums, spots on the upper tail lobe only) and chinook (black mouth and black gums).
Easily confused with: Brown Trout, Coho Salmon, Chinook Salmon
Typical: 16–26 in, 2–10 lb
Tell it apart: Red-orange spots with pale halos and a nearly spotless tail mark a brown trout; steelhead and the salmon carry black-only spots and a clearly spotted tail.
Easily confused with: Steelhead, Coho Salmon, Chinook Salmon
Typical: 24–32 in, 5–15 lb
Tell it apart: A deeply forked tail with pale haloless spots on a dark body identifies lake trout; browns and steelhead have squared tails, and brown trout add red/orange haloed spots. (Worm-like vermiculations belong to brook trout, NOT lake trout.)
Easily confused with: Brown Trout, Steelhead
Typical: 20–26 in, 4–8 lb
Tell it apart: Coho has a WHITE gum line (the reliable tell) with tail spots on the upper lobe only; Chinook has a black mouth WITH black gums and spots on both tail lobes; steelhead has a fully white mouth and gums.
Easily confused with: Chinook Salmon, Steelhead
Typical: 34–46 in, 12–30 lb
Tell it apart: Muskie show DARK markings on a LIGHT body, a scaleless lower cheek/gill cover, pointed tail tips, and 6-9 jaw pores per side, the reverse of pike (light spots on dark, scaled cheek, 5 or fewer pores, rounded tail tips).
Easily confused with: Northern Pike
Typical: 12–26 in, 2–4 lb
Tell it apart: A small downward-set toothless mouth under a blunt overhanging snout, large unspotted silvery scales, a deeply forked tail, and an adipose fin identify lake whitefish; the lack of teeth and spots rules out the trout and salmon.
Typical: 28–36 in, 15–25 lb
Tell it apart: An entirely black mouth INCLUDING the gum line, plus spots on both tail lobes, separates Chinook (king) from the white-gummed coho and the fully white-mouthed steelhead.
Easily confused with: Coho Salmon, Steelhead
The Great Lakes have no tides — plan around water temperature (the single biggest bite trigger), solunar windows, and wind direction; early morning and evening low-light windows consistently outperform midday regardless of season.
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