South Fork Eel River near Miranda, CA
River level and flood forecast · Humboldt County
The river is 26.8 ft below flood stage (33 ft).
Forecast to hold near 6.2 ft through Sat, Oct 17, 5 AM.
Flow: 21 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 7:30 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts South Fork Eel River near Miranda to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 42 ft |
| Moderate flood stage | 38 ft |
| Flood stage | 33 ft |
| Action stage | 27 ft |
| Record crest (December 22, 1964) | 46 ft |
What floods at each level
From the National Weather Service, highest first.
- 47 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.
- 45 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.
- 42 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.
- 38 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.
- 35 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.
- 33 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.
- 30 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.
- 27 ftFlooding of portions of the Avenue of the Giants (Highway 254) is possible near Sylvandale.
Highest crests on record
- 46 ft — December 22, 1964
- 42.7 ft — December 22, 1955
- 38.29 ft — February 17, 1986
- 34.79 ft — December 19, 1981
- 34.61 ft — February 8, 1960
Recent crests: 32.99 ft (December 21, 2025) · 27.95 ft (November 22, 2024) · 23.24 ft (January 14, 2024) · 23.91 ft (March 14, 2023) · 28.11 ft (December 30, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MRNC1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.