Wynoochee River Flow Today
As of October 13, 2026 at 12:45 AM, the Wynoochee River is flowing at 222 cfs near Montesano, WA — 55% of normal for the date and down 3% in 24 hours. 3 of 3 USGS gauges reported in the last 3 days; flows range from 197 to 222 cfs. ❤ Favorite
Wynoochee River map
See the Wynoochee River on a live map
Every gauge, dam and paddle run on the river, one tap each:
- Gauges now — which reaches are high or low
- Dams & paddle runs — storage and what’s in range
- Rain — past 24 hrs and the 72-hr forecast, press play
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Wynoochee River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Montesano, the Wynoochee River is running 222 cfs — 55% of normal, down 3% since yesterday. Along the river, 3 of 3 reporting gauges are below normal (the typical gauge is at 56% of normal).
Highest against normal: Grisdale at 89%. Lowest: Montesano at 55%.
Paddlers: 2 of 10 runs on the Wynoochee River with a live range are in range, 8 too low.
How the Wynoochee River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Grisdale632 ft 197 cfs89%
- Aberdeen432 ft 216 cfs56%
- Montesano44 ft 222 cfs55%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Wynoochee River streamgauge, placed by its own percent of normal. The line is the typical gauge (56%).
Wynoochee River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Wynoochee River Near Grisdale WA
Oct 13, 12:45 AM · USGS 12035400 |
197 cfs | 89% | 0% | 1.26 ft | · | 632 ft |
|
Wynoochee River Above Save Creek Near Aberdeen WA
Oct 13, 12:45 AM · USGS 12036000 |
216 cfs | 56% | 0% | 4.78 ft | · | 432 ft |
|
Wynoochee River Above Black Creek Near Montesano WA
Oct 13, 12:45 AM · USGS 12037400 |
222 cfs | 55% | -3% | 27.09 ft | 15.4 ft below | 44 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Paddle runs on the Wynoochee River
2 of 11 runs are in range right now. Each run is checked against its runnable range using the gauge it is keyed to (or the nearest gauge on this river).
Dams & reservoirs on the Wynoochee River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Wynoochee River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Wynoochee River
The Wynoochee River is a 42-mile-long river in western Washington, United States. It originates in the Olympic Mountains and flows northwest into Wynoochee Lake, which is created by the Wynoochee Dam. The river then continues west and eventually flows into the Chehalis River near Aberdeen. The Wynoochee River is primarily used for hydroelectric power generation, with the Wynoochee Dam being the main source of power. The reservoir created by the dam is also used for recreational activities such as fishing, camping, and boating. The river has a rich history, with the Wynoochee Dam being built in the 1970s to provide power to the growing population of western Washington. The river also supports various agricultural activities along its banks. Despite the dam's benefits, it has had negative impacts on the river's ecosystem, including a decline in fish populations.
About the Wynoochee River
How is the Wynoochee River flowing right now?
As of October 13, 2026, the Wynoochee River is flowing at 222 cfs near Montesano, WA, about 55% of normal for the date. Across its 3 USGS gauges, current flows range from 197 to 222 cfs. Every gauge’s live reading is in the table above.
Is the Wynoochee River running high or low?
The typical gauge on the Wynoochee River is at 56% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Wynoochee River?
The National Weather Service sets flood stages for Montesano (42.5 ft). The table shows how far each gauge is below its flood stage right now.
Is the Wynoochee River runnable for paddling today?
2 of 11 paddle runs are in range right now. Each run in the paddle table is checked against its runnable range using its gauge's live flow.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.