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Fishing St Croix Flowage: what the data says
2,254-acre reservoir near Wisconsin. The lake tops out around 28 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. What follows comes from the same scoring engine that paints the spots above.
Yellow Perch fishing at St Croix Flowage
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. Summer pushes them deeper, 8 to 28 ft, and winter fish settle into 8 to 28 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring yellow perch. 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.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 8 to 28 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 8 to 28 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 8 to 28 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Northern Pike fishing at St Croix Flowage
Spring northern pike on St Croix Flowage hold shallow, usually 2 to 8 ft. They move out to 8 to 20 ft in summer and finish the year down in 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 3 ft, rated prime for spring northern pike. Best bite is early morning and the evening. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Muskellunge fishing at St Croix Flowage
In spring, muskellunge run shallow here, mostly 3 to 12 ft. They move out to 8 to 25 ft in summer and finish the year down in 8 to 28 ft. If you only fish one area, make it Break off the point: a drop-off around 13 ft that scores prime in fall. Best bite is the evening and early morning. Summer baits: a double-10 bucktail or a topwater (walk-the-dog / creeper) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Smaller bucktail (#8 blades), 6" glide bait |
| Summer | 8 to 25 ft | dusk & dawn | Double-10 bucktail, Topwater (walk-the-dog / creeper) |
| Fall | 7 to 28 ft | midday & dusk | Big rubber (Bull Dawg style), 10"+ glide bait |
| Winter | 8 to 28 ft | midday | Large rubber, crawled slow |
Largemouth Bass fishing at St Croix Flowage
Start shallow in spring: largemouth bass sit in 2 to 10 ft that time of year. They move out to 8 to 20 ft in summer and finish the year down in 8 to 28 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Plan around early morning and the evening in the warm months. A texas-rigged 10" worm or a deep-diving crankbait covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 8 to 28 ft | midday | Blade bait, Jigging spoon |
Crappie fishing at St Croix Flowage
Start shallow in spring: crappie sit in 2 to 8 ft that time of year. Summer pushes them deeper, 10 to 25 ft, and winter fish settle into 8 to 28 ft. The spot to know is Deep basin, a deep basin in about 24 ft of water that rates prime for crappie in winter. 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 | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 10 to 25 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 8 to 28 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Bluegill fishing at St Croix Flowage
Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. By summer they slide out to 4 to 15 ft, and by winter most fish are in 10 to 25 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. In summer the feeding windows fall in early morning and the evening. A small sponge spider (fly) or a micro tube jig covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
St Croix Flowage also holds pumpkinseed (2 to 10 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 24 ft
- Break off the point: drop-off, around 13 ft
- Main-lake point: point, around 8 ft
- Secondary point: point, around 8 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
Common questions
How deep is St Croix Flowage?
St Croix Flowage is about 28 ft 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 St Croix Flowage?
Anglers target largemouth bass, northern pike, crappie, bluegill, muskellunge, yellow perch, pumpkinseed on St Croix Flowage. These come from the Wisconsin DNR's per-lake fish listing; where the DNR lists a group (panfish, catfish, trout) the specific species are resolved from Wisconsin's fish distribution by the lake's location, depth and habitat.
Where is the best fishing spot on St Croix Flowage?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for yellow perch in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish St Croix Flowage?
For yellow perch, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Webb Lake · Spider Lake · Whitefish Lake · Beglinger Lake · Bass Lake · Bluegill Lake
See how St Croix Flowage stacks up: best largemouth bass lakes in Wisconsin · best northern pike lakes in Wisconsin · best crappie lakes in Wisconsin · best bluegill lakes in Wisconsin
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