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SwedenTrinity R A Hoopa water level
River gauge, California, United States
Right now
Below flood stage
Water level
- Flow
- 593 cfs
- Water temperature
- 58 °F
History
The forecast expects the river to fall to 11.11 ft by Monday, October 19 at 12:00 AM. Issued Sunday, October 18 at 07:12 AM by NOAA National Weather Service.
What this means
Water levels are unremarkable at Trinity R A Hoopa, where the gauge shows 11.11 ft.
It is 36.89 ft below the flood stage of 48.00 ft.
It is still going down, by 0.23 ft over the past 24 hours. The forecast expects the river to fall to 11.11 ft by Monday, October 19 at 12:00 AM. The 30-day range is 11.10 ft – 11.36 ft.
The sensor also reports a water temperature of 58 °F.
Judged against the official flood stage for this gauge. How to read levels
Key numbers
- Highest on record
- 57.00 ftDecember 22, 1964
- Forecast peak
- 11.15 ftThursday, October 22 at 11:00 AM
Paddling and fishing conditions
Most paddlers and anglers will find the river in good shape at this stage.
For reference, flood stage is 48.00 ft.
What happens at each level
- 57.00 ft
- Severe flooding of roads, bridges and structures in and around low areas of the river is expected. Many road closures are likely including Highway 96 at several locations between Willow Creek and Weitchpec. Many homes and businesses in valley areas will be innundated.
- 55.00 ft
- Extensive and severe flooding between Willow Creek and Weitchpec, and flooding of many homes and businesses in the valley areas. Expect closure of Highway 96 between Willow Creek and Weitchpec.
- 53.00 ft
- Extensive flooding of all low lying areas adjacent to the river, including Highway 96 north and south of Hoopa. Significant damage to structures in these areas is likely.
- 51.00 ft
- Extensive flooding of all low lying areas adjacent to the river including Highway 96 both north and south of Hoopa is likely. Significant damage to structures in these areas is possible.
- 48.00 ft
- Considerable flooding of low lying areas adjacent to the river including Highway 96 is likely. Significant damage to structures in these areas is possible.
- 46.00 ft
- Flooding of many low lying areas near the river is likely. Minor flooding may occur over Highway 96 between Willow Creek and Hoopa.
- 44.00 ft
- Minor flooding of the lowest lying areas may occur.
- 11.11 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
| Rank | Level | Date |
|---|---|---|
| 1 | 57.00 ft | December 22, 1964 |
| 2 | 45.98 ft | January 16, 1974 |
| 3 | 43.16 ft | January 27, 1983 |
| 4 | 42.97 ft | January 1, 1997 |
| 5 | 42.43 ft | February 18, 1986 |
| 6 | 40.46 ft | December 20, 1981 |
| 7 | 39.97 ft | January 24, 1970 |
| 8 | 37.53 ft | March 3, 1972 |
| 9 | 37.42 ft | January 18, 1971 |
| 10 | 37.06 ft | January 10, 1995 |
Weather at the gauge
The forecast is not available right now.
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Redwood Creek near Blue LakeRiver gauge, Redwood Creek | 3.1 cfs | Low | ±0 | 12 mi |
| Klamath R A OrleansRiver gauge | 1.95 ft | Below flood stage | +0.03 ft | 19 mi |
| Little River near TrinidadRiver gauge, Little River | 3.6 cfs | Very low | ±0 | 21 mi |
| Mad River near ArcataRiver gauge, Mad River | 5.66 ft | Below flood stage | +0.04 ft | 22 mi |
| Salmon R A Somes BarRiver gauge | 149 cfs | Low | ±0 | 25 mi |
| Redwood C A OrickRiver gauge | 10.13 ft | Below flood stage | ±0 | 26 mi |
| Sf Trinity River below HyampomRiver gauge, Sf Trinity River | 64.6 cfs | Normal | ±0 | 29 mi |
| Trinity River above Nf Trinity River near HelenaRiver gauge, Trinity River | 329 cfs | Very low | −20.0 cfs | 35 mi |
Questions and answers
What is flood stage for Trinity R A Hoopa?
The official flood stage is 48.00 ft. The level is currently 36.89 ft below it.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Trinity R A Hoopa today?
On Oct 18, 2026, 03:00 PM PDT, the water level was 11.11 ft. Down 0.23 ft over the last 24 hours.
Is Trinity R A Hoopa rising or falling?
Down 0.23 ft over the last 24 hours.
Is the level of Trinity R A Hoopa normal?
Below flood stage. Judged against the official flood stage for this gauge.
What is the highest water level ever recorded at Trinity R A Hoopa?
The highest level on record is 57.00 ft on December 22, 1964.
Is Trinity R A Hoopa expected to rise?
The forecast expects the river to fall to 11.11 ft by Monday, October 19 at 12:00 AM.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:11530000(Agency page)- Coordinates
41.04982, -123.67363(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 11.11 ft | 2026-10-18 22:00 | Provisional |
| Flow | 593 cfs | 2026-10-18 22:00 | Provisional |
| Water temperature | 58 °F | 2026-10-18 22:00 | Provisional |
Download
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How to cite
U.S. Geological Survey: Trinity R A Hoopa (usgs:11530000). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/trinity-r-a-hoopa
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer