Rio Grande De Arecibo near San Pedro water level

Name: Rio Grande De Arecibo near San Pedro 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 Grande De Arecibo, Puerto Rico, United States

Directions

Normal for late October

Water level

6.92ft Down 0.09 ft over the last 24 hours

Measured Oct 21, 2026, 01:30 AM AST (2 hours ago)

Flow: 265 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

Water levels are unremarkable at Rio Grande De Arecibo near San Pedro, where the gauge shows 6.92 ft.

That puts it 0.23 ft above the median of 6.69 ft for late October, based on 22 years of readings. It is 7.08 ft below the flood stage of 14.00 ft. A year ago it stood at 6.87 ft (+0.05 ft).

It is still going down, by 0.09 ft over the past 24 hours. The 30-day range is 6.44 ft – 7.95 ft.

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

Compared with 22 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 6.69 ft0.23 ft above the median for this date
Normal for this date: 5.49 ft – 7.38 ft8 years in 10 fall in this range (22 years of records)
Same day last year: 6.87 ft+0.05 ft
Lowest and highest in 30 days: 6.44 ft – 7.95 ft
Lowest and highest in 12 months: 6.43 ft – 8.57 ft
Highest on record: 33.32 ftSeptember 20, 2017

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 14.00 ft.

What happens at each level

14.00 ft: River out of its banks with flooding in Barrios Magallanes, Cristobal Colon, and La Puntilla.River out of its banks in the Municipality of Arecibo with flooding on Road #123 ... km 61.6.
13.00 ft: PR-123 becomes impassable. 9-27-2024/erg
6.92 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Rank	Level	Date
1	33.32 ft	September 20, 2017
2	23.40 ft	September 18, 2022
3	19.70 ft	March 28, 2012
4	18.53 ft	October 8, 2010
5	18.50 ft	May 8, 2024
6	17.29 ft	September 3, 2008
7	16.91 ft	October 11, 2005
8	16.33 ft	November 13, 2003
9	16.08 ft	April 23, 2010
10	15.36 ft	August 24, 2014

Weather at the gauge

Rain in the last 3 days: 0.36 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 90° 71° 0.12 in, 100% Wind 5 mph

21 Wed 91° 71° 0.14 in, 45% Wind 6 mph

22 Thu 86° 73° 0.31 in, 88% Wind 6 mph

23 Fri 91° 73° 0.06 in, 78% Wind 5 mph

24 Sat 91° 74° 0.18 in, 71% Wind 7 mph

25 Sun 91° 73° 0.09 in, 83% Wind 6 mph

26 Mon 91° 72° 0.18 in, 77% Wind 3 mph

Forecast: Open-Meteo

Sunrise 06:23 AM Sunset 06:01 PM Daylight 11 hr, 38 min Waxing gibbous 75%

Map

Other gauges on the Rio Grande De Arecibo

Gauge	Level	Compared with normal	24 hours	Distance
Rio Grande De Arecibo above UtuadoRiver gauge, Rio Grande De Arecibo	3.91 ft	Normal	−0.02 ft	11 mi
Rio Grande De Arecibo below UtuadoRiver gauge, Rio Grande De Arecibo	4.33 ft	Very low	−0.02 ft	7 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Rio Tanama at Charco HondoRiver gauge, Rio Tanama	4.50 ft	Normal	+0.28 ft	1.8 mi
Rio Limon above Lago Dos BocasRiver gauge, Rio Limon	8.16 ft	High	−0.29 ft	7 mi
Rio Camuy near BayaneyRiver gauge, Rio Camuy	5.72 ft	Normal	−0.75 ft	8 mi
Rio Tanama near UtuadoRiver gauge, Rio Tanama	3.29 ft	Very low	−0.05 ft	9 mi
Rio Caonillas at Paso PalmaRiver gauge, Rio Caonillas	3.81 ft	Very low	−0.06 ft	12 mi
Rio Grande De Manati near ManatiRiver gauge, Rio Grande De Manati	10.93 ft	Normal	−0.76 ft	13 mi
Rio Guajataca at LaresRiver gauge, Rio Guajataca	8.30 ft	Very high	±0	14 mi
Rio Saliente at Coabey near JayuyaRiver gauge, Rio Saliente	3.11 ft	Low	−0.03 ft	15 mi

Questions and answers

How does the Rio Grande De Arecibo near San Pedro compare with last year?

It is 0.05 ft higher than on the same day last year, when the reading was 6.87 ft.

What is flood stage for the Rio Grande De Arecibo near San Pedro?

The official flood stage is 14.00 ft. The level is currently 7.08 ft below it.

What is a normal level for the Rio Grande De Arecibo near San Pedro in late October?

The median for late October is 6.69 ft. In 8 years out of 10 the reading falls between 5.49 ft and 7.38 ft, based on 22 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 Arecibo near San Pedro today?

On Oct 21, 2026, 01:30 AM AST, the water level was 6.92 ft. Down 0.09 ft over the last 24 hours.

Is Rio Grande De Arecibo near San Pedro rising or falling?

Down 0.09 ft over the last 24 hours. Up 0.29 ft over the last 7 days.

Is the level of Rio Grande De Arecibo near San Pedro normal?

Normal for late October. Compared with 22 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:50027600 (Agency page)
Coordinates: 18.39882, -66.69156 (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	6.92 ft	2026-10-21 05:30	Provisional
Flow	265 cfs	2026-10-21 05:30	Provisional

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How to cite

U.S. Geological Survey: Rio Grande De Arecibo near San Pedro (usgs:50027600). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/puerto-rico/rio-grande-de-arecibo-near-san-pedro

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