Bass Fishing Regulations in Washington State: What Every Angler Needs to Know

Washington may be famous for its salmon and steelhead runs, but the state quietly holds some of the best bass fishing in the Pacific Northwest. With more than 1,000 lakes containing bass statewide and outstanding river fishing opportunities, both smallmouth and largemouth bass are plentiful in Washington waters. Whether you are working rocky points on the Columbia River or punching mats on a lowland lake east of the Cascades, knowing the rules before you launch is what keeps you legal and on the fish.

Washington bass regulations operate on two levels: statewide defaults that apply to most waters, and water-specific special rules that can override the defaults. You need to determine the seasons and general rules for the species you plan to target, then check the Special Rules for your specific location, since those rules list areas where the statewide rules have been modified. This guide walks through each layer of those regulations so you know exactly what to expect before you hit the water.

Pro Tip: Always verify your target water body’s special rules before heading out. Washington’s WDFW regulations include both statewide defaults and water-specific overrides that can differ significantly from one lake to the next.

Bass Species Covered by Fishing Regulations in Washington

Washington’s fishing regulations recognize two primary bass species that anglers pursue across the state. Under WDFW definitions, “bass” means largemouth and smallmouth bass. Both species are classified as game fish, and both are subject to the statewide freshwater species rules unless a specific water body carries its own special rules.

Largemouth bass (Micropterus salmoides) thrive in the warmer, vegetated waters found throughout western and eastern Washington. Largemouth prefer slower, vegetated waters like Moses Lake, Silver Lake, and countless western Washington ponds. They are the primary target on most lowland lakes and ponds west of the Cascades.

Smallmouth bass (Micropterus dolomieu) dominate the Columbia River system and the large eastern Washington reservoirs. On Columbia Basin reservoirs, focus on windy points and current seams for walleye and smallmouth. Banks Lake, Lake Roosevelt, and the Snake River are among the most productive smallmouth fisheries in the state. Understanding which species you are targeting matters because the two carry different size limits and daily bag limits under Washington law.

Both species are subject to the Washington bass fishing season framework governed by the Washington Department of Fish and Wildlife (WDFW). Anglers fishing for other warmwater species like catfish should also review the catfish fishing regulations in Washington before heading out, since those rules operate on a separate framework.

Bass Fishing Season Dates and Closures in Washington

Washington does not impose a blanket statewide closed season for bass. Lakes, ponds, and reservoirs are open to fishing for game fish year-round. This means you can legally fish for bass on most stillwaters in the state in every month of the calendar year, which makes Washington an attractive destination for year-round warmwater anglers.

River and stream fishing operates under different timing. Rivers, streams, and beaver ponds are open the Saturday before Memorial Day through October 31. That general river opener applies to bass as well as other game fish, so if you plan to target smallmouth in a river system, you need to wait for that seasonal window to open.

Washington does not impose a blanket statewide closed season for bass, but certain water bodies do have seasonal closures or catch-and-release-only designations. There are seasonal fishing closures in the late fall to early spring on some lakes, so checking the Washington Sport Fishing Rules before fishing any specific water is essential.

From a fishing calendar standpoint, spring spawning season from April through June offers topwater excitement, while summer months deliver consistent action on Carolina rigs and crankbaits. Peak bass activity on most Washington lakes runs from May through September as water temperatures climb into the ideal range for both species.

Pro Tip: Even on year-round lakes, some water bodies carry fall or winter closures under Special Rules. Check the WDFW regulations pamphlet or the eRegulations portal for your specific lake before fishing outside of peak season.

Size Limits for Bass in Washington

Washington uses a slot-limit system for bass in lakes, ponds, and reservoirs — one of the more nuanced size structures in the Pacific Northwest. The rules differ between largemouth and smallmouth, and they differ again between stillwaters and moving water.

Largemouth Bass — Lakes, Ponds, and Reservoirs

There is no minimum size for largemouth bass in lakes, ponds, and reservoirs. Only largemouth bass less than 12 inches may be retained, except one fish over 17 inches may also be retained. In practical terms, this means bass measuring between 12 and 17 inches must be released. The slot limit requires release of bass within a certain size range. For largemouth bass, that size range is 12 to 17 inches — only bass shorter than 12 inches, or longer than 17 inches, can be kept, with only one fish longer than 17 inches allowed in the daily limit of five largemouth bass.

Smallmouth Bass — Lakes, Ponds, and Reservoirs

Smallmouth bass in lakes, ponds, and reservoirs have no minimum size. Only one smallmouth bass over 14 inches may be retained. The daily limit is 10. This structure protects trophy-class smallmouth while still allowing a generous harvest of smaller fish.

Rivers, Streams, and Beaver Ponds

There is no size restriction or daily limit for largemouth bass in rivers, streams, and beaver ponds. The same applies to smallmouth bass — no size restriction or daily limit in rivers, streams, and beaver ponds. This open framework on moving water reflects the management goal of keeping non-native bass populations in check in river systems.

Species	Water Type	Size Rule	Daily Limit
Largemouth Bass	Lakes, ponds, reservoirs	Only <12″ retained; 1 over 17″ allowed	5
Largemouth Bass	Rivers, streams, beaver ponds	No size restriction	No limit
Smallmouth Bass	Lakes, ponds, reservoirs	No minimum; only 1 over 14″ retained	10
Smallmouth Bass	Rivers, streams, beaver ponds	No size restriction	No limit

Always confirm these rules against the current WDFW regulations pamphlet for your specific water body. Individual lakes may carry stricter special rules that override the statewide defaults above. For comparison, see how other states structure their rules in guides on bass fishing regulations in Minnesota and bass fishing regulations in Wisconsin.

Daily Bag Limits for Bass in Washington

The daily bag limit for bass in Washington depends on species and water type, as outlined in the statewide freshwater species rules published by eRegulations for Washington.

• Largemouth bass in lakes, ponds, and reservoirs: Daily limit of 5.
• Smallmouth bass in lakes, ponds, and reservoirs: Daily limit of 10.
• Both species in rivers, streams, and beaver ponds: No daily limit applies under statewide rules.

The possession limit for game fish is two daily limits in any form. If you are on a multi-day trip, you cannot accumulate more than two days’ worth of bass in your possession at any one time. This applies whether the fish are fresh, frozen, or otherwise processed.

Bass may be caught, retained, and released alive from a livewell until a daily limit is in possession. This rule is especially relevant for tournament anglers who hold fish in livewells during competition — once you reach your daily limit, the fish must stay in the livewell and may not be supplemented with additional retained fish.

Anglers curious about how Washington’s bag limits compare to neighboring states can review guides on bass fishing regulations in Oregon or bass fishing regulations in California.

Catch-and-Release Rules and Special Regulation Waters in Washington

Catch-and-release fishing is legal on all open bass waters in Washington. Where use of bait is prohibited, or where lures or flies are used voluntarily, game fish may be caught and released until the daily limit is retained. You can fish all day with artificial lures and release every bass you catch without it counting against your daily limit — as long as you have not already retained fish that day.

Some waters carry catch-and-release-only designations for bass or operate under special regulations that restrict harvest more tightly than the statewide defaults. Some individual water bodies carry special rules that may restrict gear, bait, or seasons for bass. For a successful and compliant freshwater fishing experience, anglers are encouraged to familiarize themselves with both statewide freshwater rules and special rules for their specific location.

According to NOAA Fisheries, proper catch-and-release techniques can achieve survival rates exceeding 95% for most freshwater species when executed correctly. To maximize survival when releasing bass, keep the fish in the water as much as possible, use wet hands or a rubberized net, and avoid holding the fish vertically by the jaw for extended periods — especially larger fish.

Special regulation waters in Washington are divided into four geographic categories: Puget Sound and Coastal Rivers, Columbia Basin Rivers, Westside and Eastside lakes. Each category has its own list of waters with modified rules. If a freshwater area is not listed in Special Rules, follow the statewide freshwater rules. You can look up water-specific rules through the eRegulations Washington freshwater regulations portal or the WDFW fishing regulations page.

For a broader look at how catch-and-release rules compare across the country, see guides on bass fishing regulations in Tennessee and bass fishing regulations in Kentucky.

Legal Gear and Bait Restrictions for Bass in Washington

Washington’s statewide freshwater gear rules set the baseline for what you can use when bass fishing. Hook-and-line angling only is the standard method. Barbed or barbless hooks may be used, and a hook may be single-point, double, or treble — but not more than one line with up to three hooks per angler may be used.

A two-pole endorsement allows you to fish with two rods simultaneously in designated freshwater locations. The two-pole endorsement costs $5.05 for both residents and nonresidents and allows use of two rods simultaneously in designated freshwater locations, but it is not valid in rivers with selective gear rules such as the Skykomish, Sauk, or Stillaguamish.

Bait is legal for bass on most Washington waters. Live minnows, worms, and other baitfish are legal on most waters. However, some catch-and-release waters or special regulations areas prohibit bait and require artificial lures or flies only. Always check the special rules for your specific water before using live or scented bait.

In waters designated as selective gear or fly-fishing-only, the rules tighten considerably. Single-point barbless hooks are required in areas designated as fly-fishing-only or selective gear rules. Anglers who enjoy fly fishing for bass can also review the fly fishing regulations in Washington for additional detail on those water-specific requirements.

Several additional gear prohibitions apply statewide:

• A gaff hook may not be used.
• It is unlawful to possess a fish taken from freshwater that was not hooked inside the mouth or on the head.
• It is unlawful to chum, broadcast, feed, or distribute into freshwater any bait or other substance capable of attracting fish unless specifically authorized in Special Rules.
• Bowfishing is legal for non-game fish such as carp, suckers, and pikeminnow, but not for game fish like bass, trout, or salmon.

Important Note: Night fishing is legal statewide for bass unless a specific water body prohibits it. Check the special rules for your target lake or river before fishing after dark.

Bass Fishing License Requirements in Washington

You need a valid Washington fishing license to fish for bass in the state. Residents and non-residents alike must have a license to fish in Washington waters, and all fishers age 16 and older need a fishing license. Anglers under 16 do not need a license but must still follow all bag limits, size restrictions, and area-specific seasons.

Washington’s license year for annual products runs from April 1 through March 31. Washington 2026–27 hunting and angling license products are valid from April 1, 2026 through March 31, 2027. Products from the 2025–26 license year expired March 31, 2026. This matters because Washington’s license year does not follow the regular January-to-December calendar.

As of the 2026–27 license year, WDFW lists the resident annual freshwater license at $39.95, resident saltwater license at $40.71, and resident combination license at $74.37. For nonresidents, WDFW lists annual freshwater at $115.85, saltwater at $81.70, and combination at $170.00. These fees reflect the 38% increase that took effect July 1, 2025 — the first license fee increase since 2011.

Short-term licenses are also available. Short-term combination licenses start at $14.90 resident and $27.05 nonresident for one day. These are a practical option for out-of-state visitors planning a single bass fishing trip.

Discounts apply to certain anglers. Residents 70 and older qualify for discounted senior licenses. Active-duty military, disabled veterans, and disabled residents also receive discounts.

A 2.9% fee applies to credit and debit card purchases made through WDFW over the phone or when ordering online through the licensing system. Buying in person at a license dealer avoids this surcharge.

Bass fishing does not require a catch record card — those are reserved for salmon, steelhead, sturgeon, halibut, and Puget Sound Dungeness crab. New for 2026, mobile licensing is available through the agency’s new MyWDFW mobile application and the Fish Washington app. You can also visit the online licensing system, contact WDFW by phone at 360-902-2464, or visit one of the hundreds of license dealers around the state.

For comparison with other states, see guides on bass fishing regulations in Virginia, bass fishing regulations in Georgia, and bass fishing regulations in Texas.

Where to Find Current Bass Regulations in Washington

Washington bass regulations can change through the regular annual update cycle or through emergency rules issued at any point during the year. Emergency rules may occur throughout the year and will supersede the rules contained in the regulations pamphlet. Relying on last year’s pamphlet or a third-party summary without checking for emergency changes is one of the most common compliance mistakes Washington anglers make.

Here are the primary sources you should use before every trip:

• WDFW Fishing Regulations page: The official WDFW regulations page hosts the current sport fishing rules pamphlet and links to any active emergency rule changes.
• eRegulations Washington portal: The eRegulations Washington fishing portal provides a searchable, mobile-friendly version of the full regulations, including statewide species rules and water-specific special rules.
• Fish Washington and MyWDFW apps: New for 2026, mobile licensing is available through the agency’s new MyWDFW mobile application and the Fish Washington app. Both apps also display current regulations, emergency rule changes, and fishing reports.
• WDFW customer service hotline: For the latest updates and regulation changes, contact statewide customer service at (360) 902-2700, Monday through Friday, 8:00 a.m. to 5:00 p.m.
• License dealers: WDFW publishes a comprehensive regulations pamphlet annually, available free at license vendors or downloadable online. Most sporting goods stores and bait shops that sell licenses stock physical copies of the current pamphlet.

Use the Fish Washington app before every trip — emergency changes are common and can supersede the pamphlet. This is especially true in spring and early summer when WDFW may issue emergency closures or rule modifications based on fish population surveys or environmental conditions.

If you fish multiple states, the same habit of checking official sources applies everywhere. Guides on bass fishing regulations in Ohio, bass fishing regulations in Michigan, and bass fishing regulations in Louisiana follow the same framework of statewide defaults plus water-specific overrides, making it worth reviewing each state individually before crossing state lines with your gear.

Washington bass fishing rewards anglers who do their homework. Know your target species, confirm the special rules for your specific water, pick up your license before you launch, and use the Fish Washington app to catch any emergency changes before they catch you. Whether you are flipping docks on Moses Lake in May or drop-shotting rocky points on Banks Lake in August, the Evergreen State has more than enough bass water to keep you busy all year long.