Washington Fishing Report Today 🎣

Spring Fishing Report: Potholes Reservoir, Washington

As a Senior Fishing Editor and Washington Pro Guide, I spend countless hours dissecting the intricate seasonal shifts across the Pacific Northwest. Spring in the Columbia Basin offers some of the most dynamic warm-water and cool-water fisheries in the country. Our focus for this comprehensive breakdown is the legendary Potholes Reservoir. Known for its labyrinth of sand dunes, flooded willows, and abrupt depth changes, this 28,000-acre impoundment is a puzzle that, when solved, yields spectacular multi-species action. The current spring transition is pushing fish shallow, making this the prime window for both trophy hunters and action-seeking anglers.

1. GO/NO-GO STATUS

Verdict: GO

The Columbia Basin is experiencing pleasant spring weather, making for exceptional fishing conditions. Water temperatures are currently hovering in the low to mid-50s, which is the magic number for pushing cold-blooded predators into their active feeding and spawning phases. Ice is completely gone, and the boat ramps are fully accessible.

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However, anglers must navigate with extreme caution. Water levels fluctuate significantly from spring through fall. The flooded sand dunes are notoriously tricky to navigate; submerged brush and shifting sandbars can easily damage a lower unit if you are off-plane in the wrong corridor. Furthermore, spring winds in Eastern Washington can howl out of nowhere. A calm morning can turn into a treacherous afternoon chop on the main basin.

Pro Tip: Always map your route through the dunes at idle speed before attempting a faster run, and keep a close eye on the wind forecast. If the wind exceeds fifteen miles per hour, stick to the protected bays and coulees rather than risking the open water.

2. SPECIES INTEL

Primary Targets

Walleye and Largemouth Bass are sharing the spotlight. The walleye are currently in a major transition, moving from their pre-spawn staging areas into their active spawning grounds. You will find them pushing up from the deeper basins into the shallower flats. Meanwhile, the largemouth bass are aggressively feeding in their pre-spawn and post-spawn windows, heavily utilizing the newly flooded vegetation.

Sleeper Pick

Black Crappie and Bluegill. While the bass and walleye boats crowd the main channels, the flooded willows in the back of the dunes are holding massive schools of slab panfish. These fish are incredibly aggressive right now and offer phenomenal light-tackle action that most anglers drive right past.

Baitfish Report

The forage base is highly active. Bluegill fry, yellow perch, and various minnow species are schooling in the shallows. The largemouth bass are heavily targeting juvenile bluegill around the brush, so matching this hatch with panfish-profiled baits is critical for success.

3. TACTICAL STRATEGY

Where to Look

For largemouth bass, focus your efforts around the Crab Creek launch area and the northern sand dunes. The key is locating matted grass and flooded brush in five to ten feet of water. The highest quality bites are occurring in ultra-shallow water, often less than five feet deep, where the sun warms the substrate fastest. For walleye, concentrate on the zero to nine-foot open water basins adjacent to spawning flats, particularly around the Lind Coulee arm.

Lure Selection

For the shallow bass, a swim jig is unparalleled right now. Tie on a 3/8-ounce Evergreen International Grass Ripper Swim Jig paired with a 3.8-inch Keitech Fat Swing Impact trailer. For walleye, trolling is the name of the game. Utilize a Quick Change Spinner Rig featuring a #3 Colorado blade, or a Mack's Lures Smile Blade Slow Death Rig.

Color Patterns

Match the bluegill forage for bass by using white, electric shad, or bluegill-patterned swim jigs. The water in the dunes carries a slight spring stain, so the contrast of white or the flash of electric shad provides a perfect reaction target. For walleye, gold shiner and silver scale blades are producing the most consistent strikes in the turbid water.

Bait and Rigging

When running the slow death rigs for walleye, tip them with a plump, lively nightcrawler. Ensure the crawler is threaded perfectly to achieve that irresistible corkscrew spin. Maintain a trolling speed of 0.8 to 1.2 miles per hour to ensure the blade rotates properly without blowing out the bait.

Timing the Bite

Bass are most active during the low-light periods of dawn and dusk when they push bait against the weedlines. Walleye, conversely, can be caught all day, provided there is a slight chop on the water to break up the light penetration.

Pro Tip: When fishing the flooded brush for bass, a steady retrieve often results in followers but no biters. Getting a reaction strike is the key to triggering the larger females. Pitch your swim jig into the thickest wood you can find and retrieve it with erratic twitches and sudden pauses. Use a 7-foot to 7-foot-4-inch medium-heavy fast action rod paired with 50-pound braided line to muscle fish out of the heavy cover.

4. REGULATIONS SNAPSHOT

Understanding the current Washington Department of Fish and Wildlife (WDFW) rules is essential before launching your vessel. Remember that a Discover Pass is required for all WDFW access areas and parking lots around the reservoir. Be aware that recent legislative changes have introduced a 2.9 percent surcharge on all licenses purchased online or over the phone.

5. REGIONAL ALTERNATIVE

If the Columbia Basin winds make Potholes Reservoir unfishable, your backup plan should be heading north to Rufus Woods Lake. This impoundment on the upper Columbia River is sheltered by steep canyon walls, offering a reprieve from the howling gales.

• Access Points: There are several designated access areas along the reservoir, including state parks and tribal access points. Note that specific Colville tribal permits may be required if fishing from certain reservation shorelines.
• Target Species: Triploid Rainbow Trout. WDFW has recently planted thousands of two-pound triploid rainbow trout into the system, and the fishing is spectacular.
• Tactical Approach: Flat-lining rods out to one hundred feet with no added weight is highly effective when the fish are near the surface. If the surface bite slows as the sun gets high, add up to two ounces of lead to drop your gear into the top twenty feet of the water column.

Pro Tip: If you use bait-less offerings like spoons or spinners at Rufus Woods, you can catch and release the smaller rainbows while selectively harvesting the heavy triploids. However, if you choose to use bait, remember that Washington regulations dictate that any trout caught on bait counts toward your daily limit of two fish, regardless of whether you keep or release it.

Tight lines!