Wahiawa Reservoir (Lake Wilson)

Honolulu County, Hawaii

Wahiawa Reservoir sits in central Oahu next to the town of Wahiawa. It is the main public freshwater fishing spot in Hawaii and is known for peacock bass and largemouth bass.

Air temp in Wahiawa, HI Loading current temperature…

Map data © OpenStreetMap contributors.

Current air temperature at Wahiawa Reservoir (Lake Wilson) (National Weather Service) ↗

Surface area350 acres

Max depth—

Shoreline20 mi

Boat motorsBoats 18 ft max, 5 mph speed limit

Species

Fishery rating out of 5.

Peacock Bass●●●●●

Work lily pad edges and open pockets in the weeds with small bright lures or flies.

Largemouth Bass●●●●○

Cast soft plastics and spinnerbaits near drop-offs and submerged cover.

Smallmouth Bass●●●○○

Rock, gravel and points. Tubes, jerkbaits and drop-shots.

Channel Catfish●●●○○

Fish cut bait or worms on the bottom.

Bluegill●●○○○

Weed beds and shallow flats in late spring.

When they bite

Month-by-month activity for each target species.

	J	F	M	A	M	J	J	A	S	O	N	D
Peacock Bass
Largemouth Bass
Smallmouth Bass
Channel Catfish

SlowFairGoodHot

Boat launches

2 launch sites. Fees and hours change, so confirm before you go.

Wahiawa Freshwater Park Launch RampPublic
State DOBOR ramp at Wahiawa Freshwater State Recreation Area; lake access and ramp closed since May 3, 2026 for Wahiawa Dam workDirections ↗
More public accessPublic
See Hawaii DLNR or the lake manager's website for all ramps and feesDirections ↗

Size & creel limits

Special rules for this lake, confirmed from official state regulations. Minimum size and daily limit.

Species	Min size	Daily limit
Largemouth Bass Wahiawa PFA	Catch & release only	0 / day
Smallmouth Bass Wahiawa PFA	Catch & release only	0 / day
Peacock Bass Wahiawa PFA	Catch & release only	0 / day

Other species in this lake: look up the limits at Hawaii DLNR Division of Aquatic Resources ↗

Verified October 2026. Rules change, so confirm current limits with the Hawaii DLNR Division of Aquatic Resources before you fish.

Bait & tackle nearby

Closest shops to the lake and its boat launches. Call ahead for live bait and hours.

Sawada StoreNearby
132 N Cane St, Wahiawa, HI(808) 622-4861 Directions ↗
Haleiwa Fishing SupplyNearby
66-519 Kamehameha Hwy, Haleiwa, HI(808) 637-9876 Directions ↗

Search more bait shops near Wahiawa Reservoir (Lake Wilson) ↗

Local tips

All bass and peacock bass are catch and release only here, so release them right away.
Fish April through October; winter rain muddies the water and slows the bite.
Boats are limited to 18 feet and 5 mph, and you need a freshwater game fishing license plus an entry permit.

Angler reports

Water temp, what's biting, and anything else other anglers should know about Wahiawa Reservoir (Lake Wilson).

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View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches; blue pins are bait shops nearby.