Siletz River at Siletz

1. 25.00 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.
2. 20.00 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.
3. 18.00 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.
4. 16.00 ftexpect minor lowland flooding and minor flooding of some structures and roads along the Siletz River. Flooding may be exacerbated during high tide.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.

Most recent crests

• December 19, 2025: 21.48 ft
• December 10, 2025: 19.57 ft
• November 12, 2021: 18.08 ft
• January 13, 2021: 21.62 ft
• November 25, 2016: 16.47 ft
• December 18, 2015: 18.96 ft
• December 7, 2015: 21.50 ft
• December 21, 2014: 20.33 ft
• November 19, 2012: 16.79 ft
• January 16, 2011: 20.58 ft

• Yaquina River at Chitwood
• Drift Creek of Lincoln Co. at Waldport
• Salmon River of Lincoln Co. at Rose Lodge
• Alsea River at Tidewater
• South Yamhill River at Willamina
• Yachats River at Yachats
• Marys River at Philomath
• Luckiamute River at Suver

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.

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.