Columbia & Puget Sound summer runs build into late June

What's biting

What's next

The full moon coinciding with the June 29 morning report window is the single most actionable near-term variable for both the Columbia and Puget Sound river systems. Full-moon periods push feeding activity toward low-light windows: first light, last light, and the hours just after dark where regulations permit. Plan the next 48 hours around early-alarm sessions rather than midday outings.

Water temperature at 56°F on the Columbia is a productive baseline for summer-run Chinook salmon, which typically stage in deeper, cooler holes during midday and become more willing to move to presentations at cooler parts of the day. As the moon begins to wane into the first days of July, daytime windows on Chinook and steelhead often open up modestly. Keep an eye on morning temperatures and plan to be off smaller tributaries if temps push above 60°F, the threshold at which thermal stress on migratory salmonids increases and, in many WA systems, regulations require anglers to stop fishing for salmon and steelhead entirely.

At 848 cfs per USGS gauge 14113000, the Columbia is running at moderate summer baseflow, lower than spring freshet peaks and generally clear and wading-accessible on approved reaches. Drift-boat and jet-sled anglers will find standard summer conditions in most publicly accessible corridors. If early-July heat arrives, a common interior Washington pattern, flows may fluctuate further as late snowmelt tapers off, so recheck the gauge before scheduling multi-day trips.

Smallmouth bass in the Columbia's rocky canyon sections should remain active through the first week of July. Warming midday temperatures push baitfish into shallow rock structures that bass patrol in summer; morning topwater sessions and afternoon drop-downs to deeper structure near ledges are both on-pattern for this time of year.

For Puget Sound river systems, including the Snoqualmie, Skykomish, Green, and similar westside drainages, late June typically marks the beginning of summer Chinook openers on many runs, with steelhead also beginning their push. Confirm current emergency openings and catch-and-release windows through WA WDFW Fishing Reports before launching; regulation updates mid-season are common on Puget Sound tributaries. The July 4th holiday weekend looks fishable across most accessible reaches: plan sessions around dawn and dusk, and monitor USGS gauge 14113000 for any unexpected flow changes heading into the holiday week.

Context

Late June is a transitional moment in Washington's freshwater fishing calendar. On the Columbia system, the spring Chinook run, which peaks in April and May, has wound down, and summer Chinook are taking center stage. A water temperature of 56°F on June 29 is consistent with historical norms for the mid-Columbia at this time of year; summer heat can push mainstem temps higher through July and into August, with 65°F commonly cited as the upper stress threshold for salmonids in the mainstem.

At 848 cfs, USGS gauge 14113000 reflects the system's transition to summer baseflow. Spring snowmelt typically drives Columbia tributaries to peak flows in May and early June; by late June the hydrograph is falling toward summer lows, a pattern that concentrates fish in deeper holding water and makes presentation more technical than the high, fast flows of spring.

Puget Sound river systems follow a similar arc. Their smaller watersheds tend to cool faster and clear after any early-summer rain events; westside systems like the Skykomish and Snoqualmie commonly begin receiving fishable summer steelhead numbers in late June and early July in average years, with that window running through September.

WA Sea Grant's ongoing monitoring for invasive European green crabs throughout the Salish Sea, including the first detection on Orcas Island in May 2026, provides useful ecosystem context for anglers who fish tidal and near-coastal reaches of Puget Sound rivers. Green crab distribution is being actively tracked, and conditions in those zones may shift as the season progresses.

Overall, conditions for late June 2026 appear on schedule for the region. No dramatic early-run or late-run signals have surfaced in the available intel feeds for this specific stretch of the calendar.