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SF NOOKSACK--AT SAXON BRIDGE
   State:  Washington    County:  WHATCOM
   Latitude:  48 40' 39" North    Longitude:  122 9' 56" West
   Elevation:  380 feet
   Supporting WFO:  Seattle    
   Action Stage:  6.9'   Flood Stage:  8'   Moderate Flood Stage:  8.5'
   Major Flood Stage:  9.5'

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.

SF NOOKSACK--AT SAXON BRIDGE   (NSSW1)
Forecasts for Water Year 2026
Ensemble Date: 2026-08-16
 Forecast Period: August 16 to December 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 2.74 1976 2026-10-16
90 % 3.21 2687 2026-10-19
70 % 4.93 5787 2026-11-04
50 % 5.68 7325 2026-11-13
30 % 6.80 9720 2026-11-20
10 % 9.51 16712 2026-11-27
05 % 10.88 21207 2026-11-29

Peakflow exceedence plot for NSSW1

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