Peakflow Forecasts Header

SF COQUILLE--AT MYRTLE POINT
   State:  Oregon    County:  COOS
   Latitude:  43 3' 56" North    Longitude:  124 8' 49" West
   Elevation:  60 feet
   Supporting WFO:  Medford    
   Action Stage:  30'   Flood Stage:  33'   Moderate Flood Stage:  35'
   Major Flood Stage:  
37'

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 COQUILLE--AT MYRTLE POINT   (MYPO3)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-14
Forecast Period: July 14 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.24 99 2025-09-02
90 % 4.38 134 2025-09-18
70 % 5.23 380 2025-10-12
50 % 7.42 1262 2025-10-23
30 % 8.29 1715 2025-10-28
10 % 11.48 3405 2025-11-01
05 % 14.77 5144 2025-11-01

Peakflow exceedence plot for MYPO3

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