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
2027
Ensemble Date: 2026-10-10
Forecast Period: October 10 to February 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.47 1609 2026-10-22
90 % 4.94 1990 2026-10-28
70 % 5.92 2875 2026-11-11
50 % 6.61 3568 2026-11-22
30 % 7.73 4714 2026-12-03
10 % 9.79 7904 2026-12-30
05 % 11.35 10673 2027-01-24

Peakflow exceedence plot for NFNW1

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