Siletz River at Siletz, OR
River level and flood forecast · Lincoln County
The river is 13.8 ft below flood stage (16 ft).
Forecast to hold near 2.2 ft through Mon, Oct 19, 5 PM.
Flow: 65 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:25 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Siletz River at Siletz to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 25 ft |
| Moderate flood stage | 20 ft |
| Flood stage | 16 ft |
| Action stage | 12 ft |
| Record crest (November 26, 1999) | 28.62 ft |
What floods at each level
From the National Weather Service, highest first.
- 25 ftexpect major flooding, with evacuations of residences and areas along the Siletz between mile post 2.5 and mile post 5 on State Highway 229 near Sunset Landing downstream to Coyote Rock. Stay tuned to local media sources and law enforcement information for details.
- 20 ftexpect widespread flooding downstream. Increased flooding can be expected in the housing development downstream from Mack Landing. Numerous private roads and a trailor park between mile post 2.5 and mile post 5 near Sunset Landing to Coyote Rock are flooded. Flooding may be exacerbated during high tide.
- 18 ftexpect minor flooding of a small housing development near mile post 8 down stream from Mack Landing. Widespread lowland and pasture land flooding also occurs at this level. Flooding may be exacerbated during high tide.
- 16 ftexpect minor lowland flooding and minor flooding of some structures and roads along the Siletz River. Flooding may be exacerbated during high tide.
Highest crests on record
- 28.62 ft — November 26, 1999
- 27.32 ft — January 28, 1965
- 25.76 ft — January 11, 1972
- 25.74 ft — December 22, 1964
- 25.17 ft — February 17, 1949
Recent crests: 21.48 ft (December 19, 2025) · 19.57 ft (December 10, 2025) · 18.08 ft (November 12, 2021) · 21.62 ft (January 13, 2021) · 16.47 ft (November 25, 2016)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SILO3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.