Naselle River near Naselle

1. 17.00 ftexpect major flooding in Naselle with numerous homes completely surrounded by flood waters and a several structures flooded. Numerous roads are flooded with deep and swiftly moving water, including State Route 4.
2. 16.00 ftexpect flooding of several homes and roads along and near the Naselle River. Portions of State Route 4 will likely be flooded. Widespread pasture land flooding also occurs above this level.
3. 15.00 ftexpect flooding in numerous lowland areas along the Naselle. Historically, water begins to surround homes along and near the river at this point. A few roads are flooded at this level, including low sections of State Route 4.
4. 14.00 ftsome localized flooding begins. The river spills over its banks, causing pasture flooding at this point. Some secondary roads may have water over them in spots.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 27, 2026.

Most recent crests

• December 9, 2025: 19.80 ft
• January 7, 2022: 18.28 ft
• November 17, 2015: 15.05 ft
• January 5, 2015: 16.98 ft
• November 19, 2012: 14.51 ft
• January 7, 2009: 20.62 ft
• November 12, 2008: 15.87 ft
• December 3, 2007: 14.70 ft
• November 7, 2006: 14.70 ft
• December 15, 1999: 16.72 ft

• Grays River at Covered Bridge near Rosburg
• Columbia River at Tongue Pt near Astoria
• Columbia River at Skamokawa
• Willapa River at Willapa
• Elochoman River at Cathlamet
• Columbia River at Wauna
• Chehalis River at Pe Ell
• Chehalis River at Doty

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.