Rio De La Plata at Cayey water level

Name: Rio De La Plata at Cayey 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 La Plata, Puerto Rico, United States

Directions

Very low for mid-October

Water level

3.74ft Up 0.07 ft over the last 24 hours

Measured Oct 18, 2026, 07:30 PM AST (1 hour ago)

Flow: 29.8 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The Rio De La Plata at Cayey is running far below normal at 3.74 ft.

That puts it 0.65 ft below the median of 4.39 ft for mid-October, based on 5 years of readings. A year ago it stood at 4.05 ft (−0.31 ft).

It has risen 0.07 ft over the past 24 hours. In the last month it has stayed between 3.64 ft and 4.75 ft.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.

Compared with 5 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 4.39 ft0.65 ft below the median for this date
Normal for this date: 3.81 ft – 5.00 ft8 years in 10 fall in this range (5 years of records)
Same day last year: 4.05 ft−0.31 ft
Lowest and highest in 30 days: 3.64 ft – 4.75 ft
Lowest and highest in 12 months: 3.60 ft – 5.79 ft

Floating and fishing near Rio De La Plata at Cayey

Low water exposes gravel bars that make good wading access, but some boat ramps may be left high and dry.

Weather at the gauge

Rain in the last 3 days: 0.27 in. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 85° 72° 0.19 in, 100% Wind 5 mph

19 Mon 84° 71° 0.09 in, 100% Wind 6 mph

20 Tue 84° 70° 0.13 in, 100% Wind 5 mph

21 Wed 84° 71° 0.06 in, 81% Wind 7 mph

22 Thu 83° 72° 0.06 in, 82% Wind 8 mph

23 Fri 83° 71° 0.30 in, 64% Wind 8 mph

24 Sat 81° 72° 0.12 in, 61% Wind 5 mph

Forecast: Open-Meteo

Sunrise 06:20 AM Sunset 06:01 PM Daylight 11 hr, 41 min First quarter 54%

Map

Other gauges on the Rio De La Plata

Gauge	Level	Compared with normal	24 hours	Distance
Rio De La Plata at Proyecto La PlataRiver gauge, Rio De La Plata	10.06 ft	Normal	+0.06 ft	6.1 mi
Rio De La Plata at ComerioRiver gauge, Rio De La Plata	6.25 ft	High	+1.13 ft	8 mi
Rio De La Plata below Represa ComerioRiver gauge, Rio De La Plata	5.24 ft	No reference yet	−0.01 ft	11 mi
Rio De La Plata below La Plata DamsiteRiver gauge, Rio De La Plata	6.85 ft	Very low	−0.02 ft	16 mi
Rio De La Plata at Highway 2 near Toa AltaRiver gauge, Rio De La Plata	3.41 ft	Normal	−0.13 ft	21 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Rio De Bayamon at ArenasRiver gauge, Rio De Bayamon	1.27 ft	Normal	+0.01 ft	2.5 mi
Rio De Bayamon below Lago De Cidra DamRiver gauge, Rio De Bayamon	5.59 ft	Very low	+0.01 ft	4.6 mi
Rio Turabo above BorinquenRiver gauge, Rio Turabo	3.65 ft	Very low	−0.02 ft	7 mi
Rio Majada at La PlenaRiver gauge, Rio Majada	3.23 ft	Normal	+0.03 ft	8 mi
Rio Lapa near Rabo Del BueyRiver gauge, Rio Lapa	5.30 ft	Normal	−0.03 ft	9 mi
Canal De Guamani Oeste at Highway 15 GuayamaCanal gauge, Canal De Guamani Oeste	1.38 ft	Normal	+0.04 ft	9 mi
Rio Grande De Loiza at Quebrada ArenasRiver gauge, Rio Grande De Loiza	5.11 ft	Normal	+0.01 ft	10 mi
Rio Grande De Patillas near PatillasRiver gauge, Rio Grande De Patillas	4.74 ft	Normal	+0.06 ft	10 mi

Questions and answers

How does the Rio De La Plata at Cayey compare with last year?

It is 0.31 ft lower than on the same day last year, when the reading was 4.05 ft.

What is a normal level for the Rio De La Plata at Cayey in mid-October?

The median for mid-October is 4.39 ft. In 8 years out of 10 the reading falls between 3.81 ft and 5.00 ft, based on 5 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 La Plata at Cayey today?

On Oct 18, 2026, 07:30 PM AST, the water level was 3.74 ft. Up 0.07 ft over the last 24 hours.

Is Rio De La Plata at Cayey rising or falling?

Up 0.07 ft over the last 24 hours. Down 1.01 ft over the last 7 days.

Is the level of Rio De La Plata at Cayey normal?

Very low for mid-October. Compared with 5 years of daily readings for this time of year.

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:50040800 (Agency page)
Coordinates: 18.13639, -66.13861 (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	3.74 ft	2026-10-18 23:30	Provisional
Flow	29.8 cfs	2026-10-12 16:00	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/7667?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Rio De La Plata at Cayey water level"></iframe>

How to cite

U.S. Geological Survey: Rio De La Plata at Cayey (usgs:50040800). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/puerto-rico/rio-de-la-plata-at-cayey

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