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SILETZ--AT SILETZ
   State:  Oregon    County:  LINCOLN
   Latitude:  44 42' 54" North    Longitude:  123 53' 15" West
   Elevation:  102 feet
   Supporting WFO:  Portland    
   Action Stage:  12'   Flood Stage:  16'   Moderate Flood Stage:  20'
   Major Flood Stage:  25'

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.

SILETZ--AT SILETZ   (SILO3)
Forecasts for Water Year 2026
Ensemble Date: 2026-05-14
 Forecast Period: May 14 to September 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 3.09 337 2026-05-14
90 % 3.09 337 2026-05-14
70 % 3.26 416 2026-05-30
50 % 3.71 656 2026-06-07
30 % 4.30 1038 2026-06-12
10 % 5.25 1787 2026-06-30
05 % 6.08 2584 2026-07-04

Peakflow exceedence plot for SILO3

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