Fall Chinook
Primary count period: Aug. 1–Nov. 15. Historical annual peak dates have occurred from Aug. 30 through Sep. 17.
Checking today's date…
Pacific Northwest · live migration intelligence
Columbia Salmon Run Live
How many salmon are moving through the Columbia right now, and is the run building or easing? Start with the fish ladders, not a vague seasonal calendar.
Loading latest counts…Checking reporting lag…Reading run context…
Bonneville first read
Reading the run…
Loading the latest adult-passage pattern.
Adult Chinook—latest reporting day
7-day Chinook direction—first 3 reporting days vs latest 3
Latest Coho adults—7-day direction
Latest Steelhead—7-day direction
Chinook jacks—same Bonneville reporting day
Bonneville YTD Chinook—reported year-to-date total
Seven reported days
Is passage building or easing?
The chart uses raw reported daily counts. Missing reporting days are not silently converted to zero.
Bonneville trend loading…
Mainstem checkpoints
What are the downstream dams reporting?
Counts are observations at fish ladders. They are not GPS positions and they do not prove the same group of fish is moving dam-to-dam.
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Historical timing guardrail
Is the calendar in a normal peak window?
These are historical earliest-to-latest annual peak dates at Bonneville from the 2026 Fish Passage Plan, not a claim that today's count is the year's peak.
Coho
Primary count period: Jul. 15–Nov. 15. Historical annual peak dates have occurred from Aug. 29 through Oct. 11.
Checking today's date…
Steelhead
Counted year-round. Historical annual peak dates have occurred from Jul. 16 through Sep. 22.
Checking today's date…
How to read this
A count tool, not a probability machine.
This page deliberately avoids turning salmon into a fake percentage. It shows observed fish-ladder counts, the recent direction of those counts, and historical seasonal context.
- The 7-day direction compares the average of the first three available reported days with the latest three. A change of at least 15% is labeled rising or falling.
- Counts at different dams may be reported on different dates, and fish leave the mainstem for tributaries. The corridor view is therefore checkpoint evidence, not a location forecast.
- Fish Passage Center notes that current-year zeros can sometimes mean data have not yet been reported. This tool treats missing values separately rather than assuming no fish passed.
- The U.S. Army Corps of Engineers' 2026 Bonneville plan supplies the seasonal count windows and historical peak-date envelopes.
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Open the Fish Passage Center 7-day adult count table · USACE fish-count methods