MF SNOQUALMIE − NEAR TANNER (TANW1)
   State:  Washington
   County:  King
   Latitude:  47 29' 0" North
   Longitude:  121 39' 0" West
   Elevation:  780 ft

   Supporting NWS Forecast Office: WFO Seattle

   
Click for NWS Official River Forecasts for TANW1
Daily Historical Statistics for December 07, 2025
Mean Stage: 3.71 ft  Mean Flow: 1300 cfs
Max Stage: 6.86 ft  Max Flow: 4920 cfs (1971)
Min Stage:  1.43 ft   Min Flow: 244 cfs (2003)

Statistics based on water years: 1962-2025
* statistics estimated based on current rating

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

Hydrograph plot for TANW1


For Data Used In Plot   "label