USGS Streamgage 11476500
SF Eel River near Miranda, CA
SF Eel River near Miranda, CA is USGS streamgage 11476500 in California, monitoring river discharge in hydrologic subbasin 18010106. It sits on the Sf Eel River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 537 square miles. Discharge records at this site go back to 1939. Typical flow runs near 91.2 cfs in July and 1,044.5 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- California
- Drainage area
- 537 sq mi
- Gauge elevation
- 221 ft
- Subbasin (HUC-8)
- 18010106
- Coordinates
- 40.18178, -123.77612
- USGS site number
- 11476500
- Records begin
- 1939-10-01 (87 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for SF Eel River near Miranda, CA. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 23.9 | 24.8 | 25.7 | ||
| 23.2 | 24.4 | 25.7 | ||
| 22.5 | 23.8 | 25.2 | ||
| 22.1 | 23.5 | 25 | ||
| 21.6 | 23.1 | 24.7 | ||
| 21.1 | 22.7 | 24.4 | ||
| 20.5 | 22.2 | 24.1 | ||
| 20.4 | 22.1 | 24.2 | ||
| 20.1 | 22 | 24.1 | ||
| 20 | 22.1 | 24.4 | ||
| 19.8 | 22 | 24.5 | ||
| 19.5 | 21.8 | 24.5 | ||
| 19.3 | 21.7 | 24.5 | ||
| 18.8 | 21.2 | 24.2 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 87 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 363.1 | 2,203.9 | 12,766.1 | |
| February | 560.8 | 2,277.2 | 11,340.7 | |
| March | 650 | 2,035.2 | 8,007.7 | |
| April | 402.3 | 1,044.5 | 4,056.7 | |
| May | 222.9 | 445 | 1,236.1 | |
| June | 109.2 | 202.1 | 532.8 | |
| July | 52 | 91.2 | 175.7 | |
| August | 22.7 | 50.7 | 88.3 | |
| September | 18.9 | 41.2 | 83.5 | |
| October | 23.8 | 55.9 | 352.8 | |
| November | 54.1 | 249.7 | 3,232.6 | |
| December | 130.8 | 1,404.5 | 10,600 |
All values in cubic feet per second (cfs).
Common questions
- When does SF Eel River near Miranda, CA normally run highest?
- February, on the long-term record. The median daily flow that month is about 2,277.2 cfs, against 41.2 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for SF Eel River near Miranda, CA?
- It depends on the month. In January, half of days historically fall near 2,203.9 cfs, with the middle 80% of days between 363.1 and 12,766.1 cfs. The month-by-month table on this page gives the full range.
- How long has SF Eel River near Miranda, CA been measured?
- Discharge records at USGS site 11476500 begin in 1939, about 87 years, covering roughly 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for SF Eel River near Miranda, CA?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is SF Eel River near Miranda, CA?
- The gauge sits at 40.18178, -123.77612, in California, in hydrologic subbasin 18010106, at an elevation of about 221 feet, draining roughly 537 square miles.
- Can I use SF Eel River near Miranda, CA data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Sf Eel River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Sf Eel River in full.
- SF Eel River near Branscomb, CA 44 sq mi
- SF Eel River near Miranda, CA this page