WILLAPA − NEAR WILLAPA (WILW1)
   State:  Washington
   County:  Pacific
   Latitude:  46 39' 3" North
   Longitude:  123 39' 7" West
   Elevation:  4 ft

   Supporting NWS Forecast Office: WFO Portland

   
Click for NWS Official River Forecasts for WILW1

   Action Stage:  
20 ft
   Flood Stage:  
21 ft
   Major Flood Stage:  
24 ft
Daily Historical Statistics for April 25, 2024
Mean Stage: 5.20 ft  Mean Flow: 504 cfs
Max Stage: 10.78 ft  Max Flow: 2890 cfs (1996)
Min Stage:  3.83 ft   Min Flow: 159 cfs (1951)

Statistics based on water years: 1949-2022
* statistics estimated based on current rating

Record Stage: 
27.28 ft
Record Flow: 
13000 cfs
Date of Record: 
January 8, 2009

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Hydrograph plot for WILW1


For Data Used In Plot   "label