River Information and Forecasts Header
WILLAPA--NEAR WILLAPA (WILW1)
   State:  Washington    County:  PACIFIC
   Latitude:  46 39' 0" North    Longitude:  123 39' 0" West
   Elevation:  4 feet
   Supporting WFO:  Portland    NWS Official River Forecasts Click Here
   Action Stage:  20'   Flood Stage:  21'
   Major Flood Stage:  24'

   Record Stage:  27.28'  Record Flow:  13000 cfs
   Date of Record:  January 8, 2009
Daily Historical Flow Statistics
for July 04

Mean Stage: 3.36 ft  Mean Flow: 94 cfs
Max Stage: 4.07 ft  Max Flow: 226 cfs (2012)
Min Stage:  2.80 ft   Min Flow: 30 cfs (2015)

Statistics based on water years: 1949-2019
The 4-10 Day Trend Forecast is based on model guidance only. Daily variation and uncertainty of forecasts during this period is high.

Hydrograph plot for WILW1

For Data Used In Plot   "label