Puget Sound Coho (Silver) SALMON run prediction of 897,000 fish for 2026!

A man holding  a Puget Sound Coho or Silver Salmon on wind knot guides

Puget Sound Coho Salmon

  • Coho Salmon are present in Puget Sound all 12months of the year. Many leave the sound for the fertile feeding grounds of the pacific and return to the Seattle area starting in mid-August and peak around the second week of September Silver salmon are caught deep into October most years.

  • Resident Coho salmon tend to stay in Puget Sound never reaching the Size of their ocean-going cousins. June, July and August are the main months for resident Silvers.

  • The retention is highly regulated, but with strong returns forecasted the 2026 Season is open June through October. The run is forecasted at 897,000 fish which is a 15% increase vs the 10-year average.

  • The Coho salmon (Oncorhynchus kisutch), famously known as the Silver salmon, is an elite Pacific saltwater sportfish praised for its aggressive behavior and brilliant metallic appearance.

Key Characteristics

  • Size: They typically weigh 5 to 13 pounds, though they can exceed 20 pounds in other parts of the pacific. Resident coho are typically 2-5 pounds.

  • Appearance: In the ocean, Coho have bright silver sides, dark metallic blue backs, and fine black spots restricted to the upper lobe of their tail fin.

  • Spawning Transformation: As they enter freshwater streams to spawn, their heads turn dark green, and their bodies develop striking, deep crimson-red sides.

Life Cycle and Behavior

  • Anadromous Lifecycle: They hatch in freshwater rivers, migrate to the open ocean to feed and mature, and return to their exact birth streams to reproduce.

  • Diet: Juveniles feed on insects and small crustaceans. Adults primarily prey on smaller fishlike herring.

  • Reproduction: Females dig gravel nests called redds to lay thousands of eggs. All Coho die after spawning, returning vital nutrients to the river.