Peakflow Forecasts Header

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 2025
Ensemble Date: 2025-05-14
 Forecast Period: May 14 to September 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 2.20 1103 2025-05-18
90 % 2.27 1170 2025-05-26
70 % 2.60 1552 2025-05-30
50 % 2.94 2002 2025-06-10
30 % 3.22 2404 2025-06-25
10 % 4.18 4044 2025-07-25
05 % 4.67 4854 2025-08-30

Peakflow exceedence plot for NSSW1

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