What is the current flow on Duwamish River?

Duwamish River was running 365 cubic feet per second as of Aug 1, 2026, 11:45 AM CDT, measured at USGS gauge 12113390. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

What is the water temperature on Duwamish River?

68°F (20°C) as of Aug 1, 2026, 11:45 AM CDT, at USGS gauge 12113390. Duwamish River carries no state trout classification, so the trout-stress thresholds do not apply to it — this is a water temperature measurement, not a fishery judgement.

Duwamish River, Washington: Current Flow & Water Temperature

Latest Reading

365

cubic feet / second

68°F

water temperature (20°C)

USGS gauge

Flow measured Aug 1, 2026, 11:45 AM CDT at gauge 12113390. Temperature measured Aug 1, 2026, 11:45 AM CDT at gauge 12113390. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

Where Duwamish River is measured

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1 USGS gauge on Duwamish River — open one for its live readings on the USGS site. The other pins are places to stay, from Stay22.

USGS Gauges on Duwamish River

Gauge	Station	Water temp?
12113390	DUWAMISH RIVER AT GOLF COURSE AT TUKWILA, WA	Yes

Stays via Stay22

Where to stay near Duwamish River

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Conditions: USGS NWIS (public domain).