Siletz River at Siletz

Last updated: Apr 1, 2025, 10:43 PM UTC

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US Geological Survey
Observations courtesy of U.S. Geological Survey

Scale to Flood Categories

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Observed (OBS) 04/01/2025 2:30 PM PDT

Official Forecast (FCST) 04/01/2025 2:59 PM PDT

Record: 31.6 ft

CATEGORY STAGE

Major Flooding 25 ft

Moderate Flooding 20 ft

Minor Flooding 16 ft

Action 12 ft

Reliability of the Forecast:

NOTE: Forecasts are issued routinely year-round.
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	CATEGORY	STAGE
	Major Flooding	25 ft
	Moderate Flooding	20 ft
	Minor Flooding	16 ft
	Action	12 ft

Flood Impacts 🅘

25 - expect 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 - expect 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 - expect 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.

Gauge Info

Coordinates	44.7153, -123.889
RFC	NWRFC
State	OR
WFO	PQR
County	Lincoln
Data Provider(s)
US Geological Survey	USGS--Water Resources of the United States
USGS	14305500

Gauge Location

Recent Crests

1.	18.08 ft	on 11-12-2021
2.	21.62 ft	on 01-13-2021
3.	16.47 ft	on 11-25-2016
4.	18.96 ft	on 12-18-2015
5.	21.50 ft	on 12-07-2015

Historic Crests

1.	31.60 ft	on 11-20-1921	¹
2.	28.62 ft	on 11-26-1999
3.	27.32 ft	on 01-28-1965
4.	26.71 ft	on 03-31-1931	¹
5.	25.76 ft	on 01-11-1972

Gauge Photos

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Probability Information

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Weekly Chance of Exceeding Levels
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Chance of Exceeding Levels During Entire Period
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Unique Local Info

10-day Forecast/Trend, Northwest River Forecast Center

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

Resources

WFO Information

Weather Forecast Office

Portland

5241 NE 122nd Avenue

Portland, OR 97230-1089

(503) 261-9246

Ask Questions/Webmaster

Official Homepage

1.	18.08 ft	on 11-12-2021
2.	21.62 ft	on 01-13-2021
3.	16.47 ft	on 11-25-2016
4.	18.96 ft	on 12-18-2015
5.	21.50 ft	on 12-07-2015
6.	20.33 ft	on 12-21-2014
7.	16.79 ft	on 11-19-2012
8.	20.58 ft	on 01-16-2011
9.	20.18 ft	on 01-02-2009
10.	19.87 ft	on 11-13-2008
11.	19.22 ft	on 12-03-2007
12.	22.95 ft	on 11-07-2006
13.	18.65 ft	on 01-10-2006
14.	16.76 ft	on 01-29-2004
15.	15.22 ft	on 02-01-2003
16.	17.04 ft	on 12-16-1999
17.	28.62 ft	on 11-26-1999
18.	18.20 ft	on 02-27-1999
19.	24.70 ft	on 12-28-1998
20.	24.72 ft	on 12-28-1998
21.	16.73 ft	on 12-02-1998
22.	16.80 ft	on 12-02-1998
23.	16.56 ft	on 11-26-1998
24.	16.49 ft	on 11-26-1998
25.	18.38 ft	on 12-26-1996
26.	18.76 ft	on 11-19-1996
27.	17.02 ft	on 04-23-1996
28.	21.25 ft	on 02-08-1996
29.	24.49 ft	on 02-07-1996
30.	20.35 ft	on 11-29-1995
31.	16.33 ft	on 11-11-1995
32.	18.06 ft	on 02-19-1995
33.	16.11 ft	on 02-17-1995
34.	17.21 ft	on 12-27-1994
35.	16.76 ft	on 11-30-1994
36.	17.77 ft	on 02-24-1994
37.	19.21 ft	on 04-05-1991
38.	16.41 ft	on 01-07-1990
39.	17.01 ft	on 12-04-1989
40.	17.49 ft	on 01-14-1988
41.	18.33 ft	on 12-10-1987
42.	18.86 ft	on 02-01-1987
43.	16.91 ft	on 02-23-1986
44.	17.45 ft	on 01-04-1983
45.	16.84 ft	on 12-16-1982
46.	17.09 ft	on 12-04-1982
47.	19.51 ft	on 02-20-1982
48.	22.95 ft	on 12-25-1980
49.	20.76 ft	on 12-13-1977
50.	19.86 ft	on 12-02-1977
51.	19.88 ft	on 11-25-1977
52.	19.27 ft	on 01-16-1974
53.	25.76 ft	on 01-11-1972
54.	17.39 ft	on 01-16-1971
55.	16.83 ft	on 01-18-1970
56.	27.32 ft	on 01-28-1965
57.	25.74 ft	on 12-22-1964
58.	23.40 ft	on 11-20-1962
59.	22.12 ft	on 11-24-1960
60.	22.26 ft	on 01-18-1953
61.	25.17 ft	on 02-17-1949
62.	20.44 ft	on 02-22-1948
63.	24.53 ft	on 12-15-1946
64.	23.83 ft	on 12-27-1937	¹
65.	23.80 ft	on 12-06-1933	¹
66.	26.71 ft	on 03-31-1931	¹
67.	22.60 ft	on 11-25-1927	¹
68.	31.60 ft	on 11-20-1921	¹
69.	24.60 ft	on 11-22-1909	¹

1.	31.60 ft	on 11-20-1921	¹
2.	28.62 ft	on 11-26-1999
3.	27.32 ft	on 01-28-1965
4.	26.71 ft	on 03-31-1931	¹
5.	25.76 ft	on 01-11-1972
6.	25.74 ft	on 12-22-1964
7.	25.17 ft	on 02-17-1949
8.	24.72 ft	on 12-28-1998
9.	24.70 ft	on 12-28-1998
10.	24.60 ft	on 11-22-1909	¹
11.	24.53 ft	on 12-15-1946
12.	24.49 ft	on 02-07-1996
13.	23.83 ft	on 12-27-1937	¹
14.	23.80 ft	on 12-06-1933	¹
15.	23.40 ft	on 11-20-1962
16.	22.95 ft	on 12-25-1980
17.	22.95 ft	on 11-07-2006
18.	22.60 ft	on 11-25-1927	¹
19.	22.26 ft	on 01-18-1953
20.	22.12 ft	on 11-24-1960
21.	21.62 ft	on 01-13-2021
22.	21.50 ft	on 12-07-2015
23.	21.25 ft	on 02-08-1996
24.	20.76 ft	on 12-13-1977
25.	20.58 ft	on 01-16-2011
26.	20.44 ft	on 02-22-1948
27.	20.35 ft	on 11-29-1995
28.	20.33 ft	on 12-21-2014
29.	20.18 ft	on 01-02-2009
30.	19.88 ft	on 11-25-1977
31.	19.87 ft	on 11-13-2008
32.	19.86 ft	on 12-02-1977
33.	19.51 ft	on 02-20-1982
34.	19.27 ft	on 01-16-1974
35.	19.22 ft	on 12-03-2007
36.	19.21 ft	on 04-05-1991
37.	18.96 ft	on 12-18-2015
38.	18.86 ft	on 02-01-1987
39.	18.76 ft	on 11-19-1996
40.	18.65 ft	on 01-10-2006
41.	18.38 ft	on 12-26-1996
42.	18.33 ft	on 12-10-1987
43.	18.20 ft	on 02-27-1999
44.	18.08 ft	on 11-12-2021
45.	18.06 ft	on 02-19-1995
46.	17.77 ft	on 02-24-1994
47.	17.49 ft	on 01-14-1988
48.	17.45 ft	on 01-04-1983
49.	17.39 ft	on 01-16-1971
50.	17.21 ft	on 12-27-1994
51.	17.09 ft	on 12-04-1982
52.	17.04 ft	on 12-16-1999
53.	17.02 ft	on 04-23-1996
54.	17.01 ft	on 12-04-1989
55.	16.91 ft	on 02-23-1986
56.	16.84 ft	on 12-16-1982
57.	16.83 ft	on 01-18-1970
58.	16.80 ft	on 12-02-1998
59.	16.79 ft	on 11-19-2012
60.	16.76 ft	on 01-29-2004
61.	16.76 ft	on 11-30-1994
62.	16.73 ft	on 12-02-1998
63.	16.56 ft	on 11-26-1998
64.	16.49 ft	on 11-26-1998
65.	16.47 ft	on 11-25-2016
66.	16.41 ft	on 01-07-1990
67.	16.33 ft	on 11-11-1995
68.	16.11 ft	on 02-17-1995
69.	15.22 ft	on 02-01-2003