Peakflow Forecasts Header

NF NOOKSACK--NEAR GLACIER
   State:  Washington    County:  WHATCOM
   Latitude:  48 54' 18" North    Longitude:  121 50' 36" West
   Elevation:  1245 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 NOOKSACK--NEAR GLACIER   (NFNW1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-08
Forecast Period: July 8 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.75 1441 2025-07-10
90 % 3.75 1441 2025-07-10
70 % 4.49 2078 2025-09-01
50 % 4.79 2374 2025-10-12
30 % 5.61 3222 2025-10-22
10 % 6.36 4080 2025-10-31
05 % 7.15 5050 2025-11-01

Peakflow exceedence plot for NFNW1

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