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25-acre reservoir near Wailuku. The lake tops out around 30 ft. The contours come from a model of the real basin shape and its known max depth. Read them as probabilities, not soundings, and keep them out of navigation decisions. Every species below gets its seasonal read from the same numbers driving the chart.
Traced from the shoreline, Waiale Reservoir runs 24 acres with 1 miles of edge. The basin is a simple one (shoreline index 1.4) — close to a bowl, so the structure on the chart matters more than the bank. About 37% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone. End to end it runs roughly 0.4 mi, about 0.2 mi across. You'll find it in Maui County. For a second option, Crater Reservoir lies 11 mi west.
Start shallow in spring: largemouth bass sit in 2 to 10 ft that time of year. Warm water sends them out to 8 to 20 ft; cold water stacks them in 9 to 30 ft. Top water on the chart: Shallow bay flat, a weed flat in the 4 ft range, prime in spring. Fish it in early morning and the evening and you'll meet the bite. Throw a texas-rigged 10" worm or a deep-diving crankbait until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Shallow bay flat (4 ft) | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Shallow bay flat (4 ft) | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Shallow bay flat (4 ft) | Squarebill crankbait (shad), Spinnerbait |
| Winter | 9 to 30 ft | midday | Deep basin (26 ft) | Blade bait, Jigging spoon |
The spring pattern is a shallow one: peacock bass (tucunaré) in 2 to 12 ft. As the season builds they drop to 3 to 15 ft, wintering in 6 to 22 ft. Top water on the chart: Shallow bay flat, a weed flat in the 4 ft range, prime in spring. Time it for midday and early morning. Summer baits: a topwater (walking bait) or a jerkbait gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 12 ft | midday & dawn | Shallow bay flat (4 ft) | Topwater prop bait, Jerkbait (fire tiger) |
| Summer | 3 to 15 ft | midday & dawn | Shallow bay flat (4 ft) | Topwater (walking bait), Jerkbait |
| Fall | 3 to 15 ft | midday & dawn | Shallow bay flat (4 ft) | Jerkbait, Swimbait |
| Winter | 6 to 22 ft | midday | Deep basin (26 ft) | Slow jerkbait, Jig |
Start shallow in spring: channel catfish sit in 3 to 12 ft that time of year. Warm water sends them out to 8 to 25 ft; cold water stacks them in 9 to 30 ft. Top water on the chart: Deep basin, a deep basin in the 26 ft range, prime in winter. Fish it in after dark and the evening and you'll meet the bite.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | dusk | Shallow bay flat (4 ft) | |
| Summer | 8 to 25 ft | night & dusk | Deep basin (26 ft) | |
| Fall | 10 to 30 ft | dusk | Deep basin (26 ft) | |
| Winter | 9 to 30 ft | midday | Deep basin (26 ft) |
Spring puts bluegill in skinny water — 1 to 6 ft is the zone. Warm water sends them out to 4 to 15 ft; cold water stacks them in 10 to 25 ft. Shallow bay flat is the standout, a weed flat at roughly 4 ft, rated prime for spring bluegill. Plan around early morning and the evening in the warm months. A small sponge spider (fly) or a micro tube jig covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Shallow bay flat (4 ft) | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Shallow bay flat (4 ft) | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Shallow bay flat (4 ft) | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Deep basin (26 ft) | Tiny spoon |
The spring pattern is a shallow one: tilapia in 1 to 6 ft. Midsummer fish sit out in 2 to 10 ft before dropping to 5 to 18 ft for winter. The spot to know is Shallow bay flat, a weed flat in about 4 ft of water that rates prime for tilapia in spring. Plan around midday and early morning in the warm months. Summer baits: a micro-jig near weed edges gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | Shallow bay flat (4 ft) | Tiny jig + bread-ball tip, Small worm under float |
| Summer | 2 to 10 ft | midday & dawn | Shallow bay flat (4 ft) | Micro-jig near weed edges |
| Fall | 3 to 12 ft | midday | Shallow bay flat (4 ft) | Small jig tipped with worm |
| Winter | 5 to 18 ft | midday | Shallow bay flat (4 ft) | Slow micro-jig, warm outflows |
3 pieces of structure are mapped here — Deep basin, around 26 ft, is the deepest of them.
Season dates, license requirements, and size and bag limits for Hawaii waters are set by the Hawaii DLNR — and special regulations can apply to Waiale Reservoir specifically, so confirm the current rules before you fish.
Check the official Hawaii fishing regulations →
Waiale Reservoir is about 30 ft (9 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.
Anglers target largemouth bass, peacock bass (tucunaré), channel catfish, bluegill, tilapia on Waiale Reservoir.
Shallow bay flat is the top-rated area: a weed flat in about 4 ft of water that rates prime for largemouth bass in spring. The interactive chart above rates every spot for each species and season.
For largemouth 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.
Fishing on Waiale Reservoir is regulated by the Hawaii DLNR. Check the official Hawaii regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Crater Reservoir 11 mi · Lake Wilson (Wahiawā Reservoir) 108 mi · Upper Helemano Reservoir 108 mi · Kapaia Reservoir 203 mi · Waita Reservoir 203 mi · Halenanahu Reservoir 203 mi · Wailua Reservoir 204 mi · Mauka Reservoir 205 mi · Aepoeha Reservoir 205 mi · Aepo Reservoir 206 mi · Waiakalua Reservoir 206 mi · Puu Ka Ele Reservoir 207 mi
See how Waiale Reservoir stacks up: best largemouth bass lakes in Hawaii · best peacock bass (tucunaré) lakes in Hawaii · best tilapia lakes in Hawaii · best bluegill lakes in Hawaii
Browse all Hawaii fishing maps or see every water on DepthScout. 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.