Rivers in California

South Fork Eel River near Miranda

Humboldt County, CaliforniaNWS MRNC1USGS 11476500Eureka office

Below flood stage
6.13ftStage

Observed Tue, Sep 22, 9:30 PM PDT

Flood stage
33.00 ft
Forecast crest
6.12 ftTue, Sep 22, 10:00 PM PDT
Record crest
46.00 ft1964

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood42.00 ft
Moderate flood38.00 ft
Minor flood33.00 ft
Action27.00 ft
  1. 47.00 ftExtensive and severe flooding of all areas along the river. Severe damage to roads, bridges and structures can be expected. US Highway 101 and Highway 254 (Avenue of the Giants) will likely be closed. All persons in the vicinity of the river should take appropriate actions to protect life and property.
  2. 45.00 ftSevere flooding of many communities and roads along the river can be expected. Numerous road closures are likely, possibly including US Highway 101 and Highway 254 (Avenue of the Giants). All persons in the vicinity of the river should take appropriate actions to protect life and property.
  3. 42.00 ftExtensive and severe flooding of many portions of the Avenue of the Giants, especially areas in the vicinity of Sylvandale, Myers Flat, Weott and Phillipsville. Expect numerous road closures in these areas.
  4. 38.00 ftConsiderable flooding of portions of the Avenue of the Giants (Highway 254) in the vicinity of Sylvandale, Myers Flat and Weott, with numerous road closures expected. Minor flooding will begin along Phillipsville Road and adjacent low lying areas.
  5. 35.00 ftConsiderable flooding of portions of Avenue of the Giants in the vicinity of Sylvandale, Myers Flat and Weott is likely. Expect closure Of Avenue of the Giants (Highway 254) in numerous locations.
  6. 33.00 ftFlooding of portions of the Avenue of the Giants is likely in the vicinity of Sylvandale, and the Myers Flat and Redwood Giants Trailer Park. Flooding is also possible near Weott.
  7. 30.00 ftFlooding of portions of the Avenue of the Giants may occur, especially in the vicinity of Sylvandale and the Myers Flat and Redwood Giants Trailer Park.
  8. 27.00 ftFlooding of portions of the Avenue of the Giants (Highway 254) is possible near Sylvandale.

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

45 crests on NOAA’s list since 1941.

#DateStage
1December 22, 196446.00 ft
2December 22, 195542.70 ft
3February 17, 198638.29 ft
4December 19, 198134.79 ft
5February 8, 196034.61 ft
6January 16, 197434.57 ft
7January 1, 199733.64 ft
8March 30, 197433.39 ft
9December 21, 202532.99 ft
10January 4, 196632.90 ft
11January 11, 201732.47 ft
12January 21, 199332.36 ft
13January 9, 199531.29 ft
14February 27, 201929.99 ft
15March 18, 197529.84 ft
16December 3, 197029.16 ft
17January 26, 198328.43 ft
18January 13, 199528.40 ft
19December 30, 202228.11 ft
20November 22, 202427.95 ft
21January 23, 197027.95 ft
22December 27, 194527.73 ft
23December 16, 198227.30 ft
24January 17, 201627.09 ft
25December 2, 201226.99 ft

Most recent crests

  • December 21, 2025: 32.99 ft
  • November 22, 2024: 27.95 ft
  • January 14, 2024: 23.24 ft
  • March 14, 2023: 23.91 ft
  • December 30, 2022: 28.11 ft
  • October 24, 2021: 18.07 ft
  • January 26, 2020: 14.93 ft
  • February 27, 2019: 29.99 ft
  • February 14, 2019: 23.89 ft
  • January 11, 2017: 32.47 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.