Nehalem River near Foss

1. 27.00 ftflooding is comparable to that of the flood of February 1996, especially during the high tide.
2. 24.00 ftexpect major flooding in the town of Nehalem and surrounding areas, with the worst flooding during high tide. Wide spread flooding of numerous roads and buildings occurs at this stage.
3. 20.00 ftflooding of some buildings in the town of Nehalem begins, with the situation worsening during the high tide. Also expect widespread low land flooding and numerous flooded rural roads from the Foss gauging station downstream to Nehalem.
4. 18.00 ftexpect widespread flooding of low lying farm land and structures downstream of the Foss gauging station to Nehalem. Street flooding in the town of Nehalem begins at this point, usually during the high tide.
5. 15.00 ftexpect minor flooding of low lying farm land and structures.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 20, 2026.

Most recent crests

• March 14, 2026: 15.07 ft
• December 19, 2025: 17.14 ft
• December 9, 2025: 16.55 ft
• December 6, 2023: 15.91 ft
• January 7, 2022: 18.27 ft
• October 22, 2017: 15.00 ft
• November 25, 2016: 15.16 ft
• December 9, 2015: 23.40 ft
• November 18, 2015: 17.71 ft
• February 19, 2014: 15.06 ft

• Nehalem River at Nehalem
• Miami River at Garibaldi
• South Fork Necanicum River at Seaside
• West Fork Ecola Creek at Cannon Beach
• Wilson River at Tillamook
• Wilson River at Sollie Smith Br at Tillamook
• Trask River at Tillamook
• Nehalem River

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round. Data is unavailable, forecasts will continue to be displayed. Gauge readings are temporarily unavailable.

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.