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Fishing Lake Washington: what the data says
21,500-acre lake near Seattle. Seattle's big urban lake. Docks and drop-offs full of smallmouth, jumbo perch and coastal cutthroat under the bridges. The lake tops out around 214 ft. The chart is a model: real shoreline, published maximum depth, interpolated in between. A planning tool, never a navigation product. What follows comes from the same scoring engine that paints the spots above.
Traced from the shoreline, Lake Washington runs 21,917 acres with 80.8 miles of edge, with 8 islands in the mix. A development index of 3.9 means a maze of bays and points: far more casting targets than a round bowl of the same size. Roughly 26% of the water is 15 ft or less as modeled, the band where the food chain lives.
Smallmouth Bass fishing at Lake Washington
Spring puts smallmouth bass in skinny water — 3 to 12 ft is the zone. Warm water sends them out to 10 to 30 ft; cold water stacks them in 20 to 45 ft. Offshore hump is the standout, a offshore hump at roughly 28 ft, rated prime for summer smallmouth bass. Plan around early morning and the evening in the warm months. A drop shot (goby/minnow) or a ned rig covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Shoreline point (3 ft) | Ned rig, Tube jig |
| Summer | 10 to 30 ft | dawn & dusk | Offshore hump (28 ft) | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Sharp break (4 ft) | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Offshore hump (28 ft) | Blade bait, Hair jig |
Largemouth Bass fishing at Lake Washington
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. Midsummer fish sit out in 8 to 20 ft before dropping to 15 to 35 ft for winter. Spring largemouth bass concentrate at Shallow bay flat, a prime-rated weed flat around 6 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a texas-rigged 10" worm or a deep-diving crankbait most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shallow bay flat (6 ft) | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Shallow bay flat (6 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Shoreline point (3 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Offshore hump (28 ft) | Blade bait, Jigging spoon |
Yellow Perch fishing at Lake Washington
Spring yellow perch on Lake Washington hold shallow, usually 3 to 12 ft. They move out to 10 to 30 ft in summer and finish the year down in 15 to 35 ft. Put Shallow bay flat first on the milk run — a weed flat near 6 ft that grades prime for spring. The feeding windows run early morning. The summer box starts with a drop-shot micro plastics or a small spoon tipped with worm.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (6 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Offshore hump (28 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Offshore hump (28 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Offshore hump (28 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Crappie fishing at Lake Washington
Spring puts crappie in skinny water — 2 to 8 ft is the zone. Warm water sends them out to 10 to 25 ft; cold water stacks them in 15 to 35 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated prime for spring crappie. Plan around early morning and the evening in the warm months. A jig trolled/spider-rigged or a small crankbait (trolled) covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (6 ft) | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Marina / dock area (10 ft) | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Marina / dock area (10 ft) | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 15 to 35 ft | midday | Offshore hump (28 ft) | Tungsten jig + soft plastic, Tiny jigging spoon |
Cutthroat Trout fishing at Lake Washington
Early season cutthroat trout use the shallows, holding in 3 to 15 ft. Expect a summer slide to 10 to 35 ft, then a winter hold in 10 to 40 ft. Put Creek inflow first on the milk run — a inflow / creek mouth near 8 ft that grades prime for spring. In summer the feeding windows fall in early morning and the evening. Tie on a trolled spoon (small) or a inline spinner and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Creek inflow (8 ft) | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | Sharp break (4 ft) | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Creek inflow (8 ft) | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Sharp break (4 ft) | Small jigging spoon, Marabou jig |
Coho Salmon fishing at Lake Washington
In spring, coho salmon run shallow here, mostly 3 to 25 ft. Midsummer fish sit out in 30 to 70 ft before dropping to 20 to 60 ft for winter. Spring coho salmon concentrate at Creek inflow, a prime-rated inflow / creek mouth around 8 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a dodger + fly or a medium spoon above the thermocline most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Creek inflow (8 ft) | Small orange dodger + peanut fly, Thin spoon (orange/silver) |
| Summer | 30 to 70 ft | dawn & dusk | Sharp break (68 ft) | Dodger + fly, Medium spoon above the thermocline |
| Fall | 8 to 40 ft | dawn & dusk | Creek inflow (8 ft) | Casting spoon, Spinner (chartreuse) |
| Winter | 20 to 60 ft | midday | Sharp break (68 ft) | Small spoon, slow troll |
Lake Washington also holds chinook salmon (50 to 120 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 182 ft
- Old creek channel: creek channel, around 107 ft
- Break off the point: drop-off, around 96 ft
- Sharp break: drop-off, around 68 ft
- Main-lake point: point, around 54 ft
- Secondary point: point, around 54 ft
- Offshore hump: offshore hump, around 28 ft
- Feeding flat: feeding flat, around 24 ft
- Marina / dock area: dock line, around 10 ft
- Creek inflow: inflow / creek mouth, around 8 ft
- Mercer Slough inflow: inflow / creek mouth, around 8 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
- Sharp break: drop-off, around 4 ft
Lake Washington fishing regulations
Season dates, license requirements, and size and bag limits for Washington waters are set by the Washington Department of Fish and Wildlife — and special regulations can apply to Lake Washington specifically, so confirm the current rules before you fish.
Check the official Washington fishing regulations →
Common questions
How deep is Lake Washington?
Lake Washington is about 214 ft (65 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Lake Washington?
Anglers target largemouth bass, smallmouth bass, crappie, yellow perch, chinook salmon, coho salmon, cutthroat trout on Lake Washington.
Where is the best fishing spot on Lake Washington?
Offshore hump is the top-rated area: a offshore hump in about 28 ft of water that rates prime for smallmouth bass in summer. The interactive chart above rates every spot for each species and season.
When is the best time to fish Lake Washington?
For smallmouth bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
What are the fishing regulations for Lake Washington?
Fishing on Lake Washington is regulated by the Washington Department of Fish and Wildlife. Check the official Washington regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Nearby waters
Green Lake 6 mi · Lake Sammamish 8 mi · Bitter Lake 8 mi · Beaver Lakes 12 mi · Crystal Lake 12 mi · Angle Lake 14 mi · Echo Lake 14 mi · Martha Lake 16 mi · Lake Serene 17 mi · Stickney Lake 17 mi · Lake Alice 18 mi · Lake Joy 18 mi
See how Lake Washington stacks up: best largemouth bass lakes in Washington · best smallmouth bass lakes in Washington · best crappie lakes in Washington · best yellow perch lakes in Washington
Browse all Washington fishing maps or see every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.