River WA

South Fork Sekiu River

Washington • 48.2580, -124.4705

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

5 mi

8 km

Elevation

492′ → 71′

421 ft drop

Stream Order

Medium River

Slope

1.58%

83.6 ft/mi

Drainage

9 mi²

22 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

11 mi

17 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar