Around here
Around Willapa River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Willapa River is a 40.6 mile river. Streamflow is measured at the USGS gauge Willapa River near Willapa, WA (site 12013500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1949 to 2026
Willapa River typically runs highest in December, at a median 1,010 cfs, and lowest in August, at 35 cfs. The highest flow on record for any single day is 12,900 cfs, in 2022.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 1,010 | 567 to 1,850 |
| February | 786 | 490 to 1,350 |
| March | 721 | 474 to 1,230 |
| April | 509 | 341 to 774 |
| May | 237 | 171 to 320 |
| June | 125 | 88 to 191 |
| July | 62 | 49 to 83 |
| August | 35 | 26 to 47 |
| September | 37 | 27 to 64 |
| October | 105 | 45 to 266 |
| November | 694 | 333 to 1,485 |
| December | 1,010 | 564 to 1,870 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 71 years of record. Statistics published by the US Geological Survey for Willapa River near Willapa, WA (site 12013500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Willapa River. Ramp data comes from the USGS national boat-ramp inventory.
- Wilson CreekWillapa RiverPublic
Made to print
Put Willapa River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Willapa River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
