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NF SKOKOMISH--BELOW STAIRCASE RAPIDS NEAR HOODSPORT
   State:  Washington    County:  MASON
   Latitude:  47 30' 52" North    Longitude:  123 19' 43" West
   Elevation:  762 feet
   Supporting WFO:  Seattle    

Forecasts are calculated from a forecast time series that approximates flow at a 6 hour time step interval. Observed instantaneous peaks can be higher than model forecast peaks.

NF SKOKOMISH--BELOW STAIRCASE RAPIDS NEAR HOODSPORT   (SKOW1)
Forecasts for Water Year
2026
Ensemble Date: 2026-07-15
Forecast Period: July 15 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.22 149 2026-09-03
90 % 4.17 683 2026-09-19
70 % 4.68 1156 2026-10-14
50 % 4.95 1461 2026-10-22
30 % 5.83 2692 2026-10-26
10 % 8.13 6930 2026-10-31
05 % 9.46 10215 2026-10-31

Peakflow exceedence plot for SKOW1

 Click to download runoff traces used in forecast.  Click for comma delimited data used in plot.csv icon