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: 2025-07-01
Forecast Period: July 1 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 1.75 693 2025-08-26
90 % 2.15 1049 2025-09-08
70 % 3.05 2154 2025-10-09
50 % 4.18 4042 2025-10-21
30 % 5.57 6530 2025-10-25
10 % 6.99 9704 2025-10-31
05 % 7.82 11827 2025-10-31

Peakflow exceedence plot for NSSW1

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