Rivers in Oregon
Willamette River at Portland
Below flood stage
1.38ftStage
Observed Mon, Sep 21, 8:45 PM PDT
- Flood stage
- 18.00 ft
- Forecast crest
- 5.08 ftWed, Sep 30, 8:00 PM PDT
- Record crest
- 33.00 ft1894
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 28.00 ft |
| Moderate flood | 24.00 ft |
| Minor flood | 18.00 ft |
| Action | 17.00 ft |
- 30.00 ftexpect flooding of downtown Portland from Park Ave east to the Willamette and north of Burnside. Historically, Union Station begins to flood at this point and rail traffic will likely be impacted. Expect flooding of Oaks Park, along with moorages and industrial areas from Oregon City through downtown Portland into industrial NW Portland.
- 28.80 ftexpect the river level to reach the top of the lowest point of the downtown Portland sea-wall. Flooding of some portions of Waterfront Park is possible at this and higher stages.
- 27.00 ftexpect flooding of Front Street near the Burnside Bridge.
- 26.00 ftexpect flooding of numerous structures along the Willamette river from Oregon city to the confluence with the Columbia.
- 24.00 ftexpect localized flooding in the Northwest Portland industrial area.
- 22.00 ftexpect minor localized flooding along the Willamette from Oregon City to the confluence with the Columbia.
- 18.00 ftexpect minor flooding of localized areas along the lower willamette. Flooding is mainly confined to the islands on the willamette river from oregon city to the confluence with the columbia.
- 17.00 ftexpect flooding of some low spots of trails along the west and east banks of the Willamette in and near downtown Portland.
Crest history
26 crests on NOAA’s list since 1876.
| # | Date | Stage |
|---|---|---|
| 1 | June 7, 1894 | 33.00 ft |
| 2 | June 1, 1948 | 30.00 ft |
| 3 | June 14, 1948 | 30.00 ft |
| 4 | December 25, 1964 | 29.80 ft |
| 5 | February 6, 1890 | 28.70 ft |
| 6 | February 9, 1996 | 28.55 ft |
| 7 | June 24, 1876 | 28.20 ft |
| 8 | July 1, 1880 | 27.30 ft |
| 9 | June 4, 1956 | 26.40 ft |
| 10 | June 14, 1882 | 26.20 ft |
| 11 | June 21, 1887 | 25.70 ft |
| 12 | January 8, 1923 | 25.30 ft |
| 13 | June 26, 1950 | 24.80 ft |
| 14 | June 13, 1933 | 24.80 ft |
| 15 | May 31, 1928 | 24.40 ft |
| 16 | June 12, 1921 | 24.30 ft |
| 17 | June 23, 1899 | 24.20 ft |
| 18 | June 18, 1903 | 24.00 ft |
| 19 | June 13, 1913 | 24.00 ft |
| 20 | January 18, 1974 | 23.84 ft |
| 21 | February 21, 1982 | 20.10 ft |
| 22 | February 24, 1986 | 18.90 ft |
| 23 | December 16, 1977 | 18.27 ft |
| 24 | March 30, 2017 | 17.30 ft |
| 25 | June 2, 2011 | 17.20 ft |
Most recent crests
- April 12, 2019: 15.56 ft
- March 30, 2017: 17.30 ft
- June 2, 2011: 17.20 ft
- February 9, 1996: 28.55 ft
- February 24, 1986: 18.90 ft
- February 21, 1982: 20.10 ft
- December 16, 1977: 18.27 ft
- January 18, 1974: 23.84 ft
- December 25, 1964: 29.80 ft
- June 4, 1956: 26.40 ft
Nearby
Upstream, downstream and the gauges around this one.
- UpstreamWillamette River at Falls at Oregon City
- DownstreamColumbia River at St. Helens
- Fanno Creek at 56th Ave - Portland
- Johnson Creek at Milwaukie
- Tryon Creek at Lake Oswego
- Kellogg Creek at Milwaukie
- Columbia River at Vancouver
- Johnson Creek at Sycamore
- Kelley Creek at 159th Ave near Portland
- Fanno Creek at Durham
What this means
Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round. Gauge reading affected by ocean tides.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.