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
   Moderate Flood Stage:  
22 ft
   Major Flood Stage:  
24 ft
Daily Historical Statistics for January 29, 2026
Mean Stage: 7.46 ft  Mean Flow: 1340 cfs
Max Stage: 16.88 ft  Max Flow: 6760 cfs (1999)
Min Stage:  3.59 ft   Min Flow: 155 cfs (1977)

Statistics based on water years: 1949-2025
* statistics estimated based on current rating

Record Stage: 
27.28 ft
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

Data Used In Plot   "label   USGS Observations