Rivers in California

Navarro River near Navarro

Mendocino County, CaliforniaNWS NVRC1USGS 11468000Eureka office

Below flood stage
1.10ftStage

Observed Wed, Sep 23, 2:15 AM PDT

Flood stage
23.00 ft
Forecast crest
1.11 ftWed, Sep 23, 11:00 PM PDT
Record crest
40.60 ft1955

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood34.00 ft
Moderate flood30.00 ft
Minor flood23.00 ft
  1. 34.00 ftSignificant flooding over the south bank approximately 1 mile east of Highway 1 will occur. Damage to property including 6 homes is possible. Expect closure of Highway 128. Motorists should use alternate routes.
  2. 30.00 ftWater will flow over the south bank of the river approximately 1 mile east of Highway 1, and begins to flood property in this area including six homes. Expect closure of Highway 128. Motorists should use alternate routes.
  3. 23.00 ftFlooding of Highway 128 approximately 5 miles east of Highway 1 is certain and the road will be closed. Motorists should use alternate routes.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 27, 2024.

Crest history

38 crests on NOAA’s list since 1937.

#DateStage
1December 22, 195540.60 ft
2December 31, 200539.81 ft
3December 22, 196438.64 ft
4December 15, 193738.20 ft
5February 27, 201937.16 ft
6January 26, 198336.93 ft
7January 5, 196636.34 ft
8January 11, 201735.87 ft
9February 17, 198635.69 ft
10January 24, 197035.44 ft
11December 31, 199635.09 ft
12January 17, 195433.42 ft
13March 30, 197432.95 ft
14February 7, 201731.42 ft
15January 9, 201730.98 ft
16January 9, 199530.49 ft
17December 2, 201230.48 ft
18February 10, 201730.27 ft
19December 12, 201430.19 ft
20February 7, 201529.54 ft
21February 4, 202528.77 ft
22March 24, 201126.70 ft
23January 17, 201925.89 ft
24March 28, 201225.67 ft
25January 20, 201025.57 ft

Most recent crests

  • January 5, 2026: 23.08 ft
  • December 21, 2025: 22.55 ft
  • February 4, 2025: 28.77 ft
  • February 5, 2024: 23.53 ft
  • March 14, 2023: 24.59 ft
  • January 8, 2023: 25.53 ft
  • October 24, 2021: 21.36 ft
  • February 27, 2019: 37.16 ft
  • February 14, 2019: 23.69 ft
  • January 17, 2019: 25.89 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

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

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.