Rio De Bayamon at Arenas water level

Name: Rio De Bayamon at Arenas water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Rio De Bayamon, Puerto Rico, United States

Directions

Normal for mid-October

Water level

1.26ft Steady over the last 24 hours

Measured Oct 18, 2026, 09:30 PM AST (1 hour ago)

Flow: 0.2 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Rio De Bayamon at Arenas reads 1.26 ft, a normal level for mid-October.

That puts it 0.04 ft below the median of 1.30 ft for mid-October, based on 25 years of readings.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 1.25 ft and 1.50 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 25 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 1.30 ft0.04 ft below the median for this date
Normal for this date: 1.09 ft – 1.61 ft8 years in 10 fall in this range (25 years of records)
Lowest and highest in 30 days: 1.25 ft – 1.50 ft
Lowest and highest in 12 months: 1.25 ft – 2.42 ft
Highest on record: 7.89 ftSeptember 21, 1998

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

Highest crests on record

Rank	Level	Date
1	7.89 ft	September 21, 1998
2	7.70 ft	December 28, 1998
3	7.67 ft	October 28, 2007
4	7.34 ft	September 10, 1996
5	7.02 ft	September 20, 2017
6	6.77 ft	July 10, 2006
7	6.30 ft	July 21, 2009
8	6.23 ft	September 15, 2004
9	6.14 ft	July 18, 2013
10	6.09 ft	August 3, 2011

Weather at the gauge

Rain in the last 3 days: 0.23 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 82° 70° 0.13 in, 90% Wind 8 mph

18 Sun 84° 71° 0.09 in, 100% Wind 5 mph

19 Mon 81° 69° 0.17 in, 100% Wind 5 mph

20 Tue 85° 69° 0.10 in, 93% Wind 4 mph

21 Wed 83° 69° 0.04 in, 66% Wind 6 mph

22 Thu 82° 70° 0.13 in, 74% Wind 7 mph

23 Fri 83° 70° 0.40 in, 51% Wind 6 mph

Forecast: Open-Meteo

Sunrise 06:20 AM Sunset 06:00 PM Daylight 11 hr, 41 min First quarter 55%

Map

Other gauges on the Rio De Bayamon

Gauge	Level	Compared with normal	24 hours	Distance
Rio De Bayamon below Lago De Cidra DamRiver gauge, Rio De Bayamon	5.62 ft	Very low	±0	2.6 mi
Rio De Bayamon near BayamonRiver gauge, Rio De Bayamon	1.80 ft	Low	−0.07 ft	11 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Rio De La Plata at CayeyRiver gauge, Rio De La Plata	3.76 ft	Very low	+0.09 ft	2.5 mi
Rio Turabo above BorinquenRiver gauge, Rio Turabo	3.65 ft	Very low	−0.01 ft	5.4 mi
Rio De La Plata at Proyecto La PlataRiver gauge, Rio De La Plata	10.05 ft	Normal	+0.05 ft	7 mi
Rio De La Plata at ComerioRiver gauge, Rio De La Plata	5.93 ft	Normal	+0.81 ft	8 mi
Rio Bairoa above Bairoa, CaguasRiver gauge, Rio Bairoa	4.28 ft	Normal	+0.06 ft	8 mi
Rio Caguitas at Villa Blanca at CaguasRiver gauge, Rio Caguitas	8.03 ft	Normal	+0.11 ft	8 mi
Rio Grande De Loiza at CaguasRiver gauge, Rio Grande De Loiza	4.60 ft	Low	+0.21 ft	9 mi
Rio Grande De Loiza at Quebrada ArenasRiver gauge, Rio Grande De Loiza	5.11 ft	Normal	+0.01 ft	9 mi

Questions and answers

What is a normal level for the Rio De Bayamon at Arenas in mid-October?

The median for mid-October is 1.30 ft. In 8 years out of 10 the reading falls between 1.09 ft and 1.61 ft, based on 25 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 De Bayamon at Arenas today?

On Oct 18, 2026, 09:30 PM AST, the water level was 1.26 ft. Steady over the last 24 hours.

Is Rio De Bayamon at Arenas rising or falling?

Steady over the last 24 hours. Down 0.07 ft over the last 7 days.

Is the level of Rio De Bayamon at Arenas normal?

Normal for mid-October. Compared with 25 years of daily readings for this time of year.

What is the highest water level ever recorded at Rio De Bayamon at Arenas?

The highest level on record is 7.89 ft on September 21, 1998.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:50047535 (Agency page)
Coordinates: 18.16917, -66.12194 (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	1.26 ft	2026-10-19 01:30	Provisional
Flow	0.2 cfs	2026-10-19 01:30	Provisional

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How to cite

U.S. Geological Survey: Rio De Bayamon at Arenas (usgs:50047535). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/puerto-rico/rio-de-bayamon-at-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