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130-acre lake near Loomis. The lake tops out around 7 ft. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Below is the species-by-species picture, pulled from the same data the map uses.
Loomis Lake maps at 130 acres behind 3.8 miles of shoreline. With a shoreline index of 2.4, this water is all arms and coves — edge habitat well beyond its acreage. There is no deep basin to speak of — the entire surface is under ~15 ft, prime weed water end to end. The basin spans about 1.9 mi end to end. It sits in Pacific County. Island Lake sits 1 mi south — the closest neighbouring chart.
Spring rainbow trout on Loomis Lake hold shallow, usually 2 to 7 ft. Depth-wise the year is flat: 2 to 7 ft in summer, 1 to 7 ft once it turns cold. The chart's best answer is Break off the point — drop-off, 2 ft, prime for winter. Prime time lands in early morning and the evening. The summer box starts with a dodger + spoon (deep troll) or a flutter spoon.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 7 ft chart-limited; documented 5 to 20 ft | dawn & dusk | Main-lake point (3 ft) | Inline spinner (silver), Small spoon |
| Summer | 2 to 7 ft chart-limited; documented 8 to 30 ft | dawn & dusk | Break off the point (2 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 2 to 7 ft chart-limited; documented 10 to 35 ft | dawn & dusk | Main-lake point (3 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 1 to 7 ft chart-limited; documented 8 to 40 ft | dawn | Break off the point (2 ft) | Jigging spoon, Tube jig (white) |
Come spring, look for largemouth bass tight to the bank in 1 to 7 ft. Through summer count on 2 to 7 ft; the winter hold is 2 to 7 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 2 ft that scores prime in spring. Best bite is early morning and the evening. A texas-rigged 10" worm or a deep-diving crankbait is the honest summer answer here.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 7 ft chart-limited; documented 2 to 10 ft | dawn & dusk | Shallow bay flat (2 ft) | Spinnerbait, Chatterbait |
| Summer | 2 to 7 ft chart-limited; documented 8 to 20 ft | dawn & dusk | Shallow bay flat (2 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 2 to 7 ft chart-limited; documented 4 to 15 ft | midday & dawn | Main-lake point (3 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 2 to 7 ft chart-limited; documented 15 to 35 ft | midday | Break off the point (2 ft) | Blade bait, Jigging spoon |
The spring pattern is a shallow one: yellow perch in 2 to 7 ft. The depth story barely changes: 2 to 7 ft through summer, 2 to 7 ft in winter. The spot to know is Shallow bay flat, a weed flat in about 2 ft of water that rates prime for yellow perch in spring. Plan around early morning in the warm months. Summer baits: a drop-shot micro plastics or a small spoon tipped with worm gets it done.
Depth note: when a documented seasonal range extends below this chart, the table shows the deepest mapped working water, not a verified holding depth.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 7 ft chart-limited; documented 3 to 12 ft | midday & dawn | Shallow bay flat (2 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 2 to 7 ft chart-limited; documented 10 to 30 ft | dawn | Deep basin (7 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 2 to 7 ft chart-limited; documented 12 to 35 ft | midday | Deep basin (7 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 2 to 7 ft chart-limited; documented 15 to 35 ft | midday & dawn | Deep basin (7 ft) | Tungsten jig + spikes, Rattle spoon (small) |
Count 6 structure marks on this chart. The deepest, Deep basin, sits near 7 ft.
Access data: Washington WDFW — Water Access Sites. Confirm conditions and fees locally before you launch.
| Date | Species | Count | Size |
|---|---|---|---|
| May 15 | Rainbow trout | 60 | — |
| May 15 | Rainbow trout | 1,000 | — |
| Apr 20 | Rainbow trout | 1,000 | — |
Source: WDFW fish-stocking reports, retrieved 2026-09-23.
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 Loomis Lake specifically, so confirm the current rules before you fish.
Check the official Washington fishing regulations →
Loomis Lake is about 7 ft (2 m) deep at its deepest point. The depth chart comes from published agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target rainbow trout, largemouth bass, yellow perch on Loomis Lake.
Shallow bay flat is the top-rated area: a weed flat in about 2 ft of water that rates prime for largemouth bass in spring. Scroll up to the map for the complete spot list by species and season.
For rainbow trout, 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.
Yes — per WDFW fish-stocking reports records, Loomis Lake was most recently stocked May 15 with 60 rainbow trout. The full stocking history is listed above.
Fishing on Loomis Lake 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.
Island Lake 1 mi · Black Lake 8 mi · Willapa Bay 10 mi · Willapa River 20 mi · Columbia River - Reach 1 of 5 25 mi · Grays Harbor 35 mi · Duck Lake 38 mi · Lake Aberdeen 40 mi · Silver Lake 61 mi · Summit Lake 62 mi · Lost Lake 62 mi · Deep Lake 63 mi
See how Loomis Lake stacks up: best largemouth bass lakes in Washington · best rainbow trout lakes in Washington · best yellow perch lakes in Washington
Browse all Washington fishing maps. See every water on DepthScout. Bathymetry: published agency survey data. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.