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
2027
Ensemble Date: 2026-10-13
Forecast Period: October 13 to February 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 14.30 5035 2026-11-21
90 % 23.13 10198 2026-12-01
70 % 29.37 14743 2026-12-15
50 % 32.54 20464 2026-12-30
30 % 36.37 29086 2027-01-13
10 % 37.49 43730 2027-01-20
05 % 37.49 56818 2027-01-24

Peakflow exceedence plot for MYPO3

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