Rio Grande De Loiza at Quebrada Arenas water level
River gauge, Rio Grande De Loiza, Puerto Rico, United States
Right now
Normal for mid-October
Water level
- Flow
- 11.4 cfs
History
20252026
What this means
The Rio Grande De Loiza at Quebrada Arenas is at 5.08 ft, in the normal range for mid-October.
That puts it 0.16 ft below the median of 5.24 ft for mid-October, based on 32 years of readings. It is 6.92 ft below the flood stage of 12.00 ft. A year ago it stood at 4.89 ft (+0.19 ft).
The level has held steady over the past 24 hours. In the last month it has stayed between 5.03 ft and 6.06 ft.
Fall is often low-water season on rivers, until steadier rain returns.
Compared with 32 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 5.24 ft0.16 ft below the median for this date
- Normal for this date
- 4.80 ft – 5.73 ft8 years in 10 fall in this range (32 years of records)
- Same day last year
- 4.89 ft+0.19 ft
- Lowest and highest in 30 days
- 5.03 ft – 6.06 ft
- Lowest and highest in 12 months
- 4.78 ft – 6.47 ft
- Highest on record
- 26.37 ftSeptember 21, 1998
Floating and fishing near Rio Grande De Loiza at Quebrada Arenas
Normal flows mean predictable rapids and good access at most put-ins.
Flood stage here is 12.00 ft, 6.92 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.
What happens at each level
- 15.41 ft
- Barrio Jagual, Sector Los Diaz bridge destroyed; Sector Merilla took away bridge; landslides in various areas of the Mjnicipality, Barrio Quebrada Honda, Sectores La Escuela, Jacobo Perez, Carr 181 Quebrada Arena, Barrio Quemados, Carr 181, Ramal 788
- 11.00 ft
- Rio Grande de Loiza out of its banks on road PR-9912 intersecting road PR-181. /OMS 2/2022
- 5.08 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
| Rank | Level | Date |
|---|---|---|
| 1 | 26.37 ft | September 21, 1998 |
| 2 | 25.93 ft | September 10, 1996 |
| 3 | 17.52 ft | January 5, 1992 |
| 4 | 14.78 ft | November 5, 1983 |
| 5 | 14.01 ft | September 18, 2022 |
| 6 | 13.84 ft | September 21, 2008 |
| 7 | 13.40 ft | July 18, 1979 |
| 8 | 13.17 ft | August 22, 2001 |
| 9 | 13.11 ft | October 18, 2006 |
| 10 | 12.44 ft | December 25, 2009 |
Weather at the gauge
Rain in the last 3 days: 0.39 in. Rain that falls upstream can take hours or days to show up at a river gauge.
Forecast: Open-Meteo
Map
Other gauges on the Rio Grande De Loiza
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Rio Grande De Loiza at Highway 183 San LorenzoRiver gauge, Rio Grande De Loiza | 7.37 ft | Very low | −0.01 ft | 4.9 mi |
| Rio Grande De Loiza at CaguasRiver gauge, Rio Grande De Loiza | 4.31 ft | Very low | −0.05 ft | 9 mi |
| Rio Grande De Loiza below Loiza DamsiteRiver gauge, Rio Grande De Loiza | 2.62 ft | Very low | −0.11 ft | 15 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Rio Cayaguas at Cerro GordoRiver gauge, Rio Cayaguas | 5.94 ft | Normal | ±0 | 3.1 mi |
| Rio Turabo above BorinquenRiver gauge, Rio Turabo | 3.64 ft | Very low | ±0 | 4.5 mi |
| Rio Marin near PatillasRiver gauge, Rio Marin | 6.51 ft | Normal | −0.01 ft | 5.8 mi |
| Rio Grande De Patillas near PatillasRiver gauge, Rio Grande De Patillas | 4.65 ft | Normal | −0.02 ft | 7 mi |
| Rio Guayanes near YabucoaRiver gauge, Rio Guayanes | 10.21 ft | Normal | ±0 | 7 mi |
| Rio Maunabo at LizasRiver gauge, Rio Maunabo | 3.67 ft | Normal | +0.02 ft | 7 mi |
| Rio Grande De Patillas below Lago PatillasCanal gauge, Rio Grande De Patillas | 4.34 ft | Low | +0.03 ft | 8 mi |
| Rio Valenciano near JuncosRiver gauge, Rio Valenciano | 2.96 ft | Normal | +0.07 ft | 8 mi |
Questions and answers
How does the Rio Grande De Loiza at Quebrada Arenas compare with last year?
It is 0.19 ft higher than on the same day last year, when the reading was 4.89 ft.
What is flood stage for the Rio Grande De Loiza at Quebrada Arenas?
The official flood stage is 12.00 ft. The level is currently 6.92 ft below it.
What is a normal level for the Rio Grande De Loiza at Quebrada Arenas in mid-October?
The median for mid-October is 5.24 ft. In 8 years out of 10 the reading falls between 4.80 ft and 5.73 ft, based on 32 years of records.
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 Rio Grande De Loiza at Quebrada Arenas today?
On Oct 20, 2026, 03:00 PM AST, the water level was 5.08 ft. Steady over the last 24 hours.
Is Rio Grande De Loiza at Quebrada Arenas rising or falling?
Steady over the last 24 hours. Down 0.17 ft over the last 7 days.
Is the level of Rio Grande De Loiza at Quebrada Arenas normal?
Normal for mid-October. Compared with 32 years of daily readings for this time of year.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:50050900(Agency page)- Coordinates
18.12000, -65.98861(WGS84)- Vertical datum
- PRVD02
- 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 | 5.08 ft | 2026-10-20 19:00 | Provisional |
| Flow | 11.4 cfs | 2026-10-20 19:00 | Provisional |
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How to cite
U.S. Geological Survey: Rio Grande De Loiza at Quebrada Arenas (usgs:50050900). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/puerto-rico/rio-grande-de-loiza-at-quebrada-arenas
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