Rio De La Plata at Comerio water level

Name: Rio De La Plata at Comerio 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

Normal for mid-October

Water level

5.73ft Up 0.56 ft over the last 24 hours

Measured Oct 18, 2026, 03:30 PM AST (1 hour ago)

Flow: 64.9 cfs

History

7 days 30 days 1 year Years compared

20252026

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

What this means

The gauge at Rio De La Plata at Comerio reads 5.73 ft, a normal level for mid-October.

The median for mid-October is 5.30 ft, based on 37 years of readings, so the river stage is 0.43 ft above typical. It is 7.27 ft below the flood stage of 13.00 ft. On the same day last year the reading was 5.46 ft, a difference of +0.27 ft.

The water is rising: up 0.56 ft over the past 24 hours. There is still 7.27 ft of room before flood stage. Over the past 30 days it has moved between 5.06 ft and 6.09 ft.

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

Compared with 37 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 5.30 ft0.43 ft above the median for this date
Normal for this date: 3.24 ft – 7.22 ft8 years in 10 fall in this range (37 years of records)
Same day last year: 5.46 ft+0.27 ft
Lowest and highest in 30 days: 5.06 ft – 6.09 ft
Lowest and highest in 12 months: 4.91 ft – 8.64 ft
Highest on record: 34.86 ftSeptember 20, 2017

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.

The National Weather Service puts flood stage for this gauge at 13.00 ft, still 7.27 ft away.

What happens at each level

39.00 ft: While this level has never been reached, flood waters could affect Calle Palma Real.
34.00 ft: Rio de la Plata will cause backwater along Quebrada Higuero. The structures nearby will experience additional flooding.
32.40 ft: This was the crest the USGS reported during Hurricane Fiona.
31.00 ft: Flood waters will go beyond Calle Georgetti, reaching Antolin Santos Negron Professional High School. Flooding in Ariel will be extensive. Most areas in the areas next to the river at Comerio urbano will be flooded.
28.00 ft: Extensive flooding affecting Estadio Municipal Carlos Bonet and nearby structures. Roads and residences will be affected by floodwaters. PR-775 will be completely impassable. Residential flooding will be widespread along the houses next to PR-156.
26.00 ft: Flood waters will affect Estadio Municipal Carlos Bonet. The houses west of the stadium will likely be flooded, with depths of 4 to 6 feet. Calle 7 and Calle 1 will begin to be covered by water.
25.50 ft: The floodwaters at Supermercado Econo will be 3 to 4 feet deep. Flood waters at Calle Santiago R. Palmer, intersection Jose de Diego will see significant flooding. Roads will remain impassable and the water will likely affect the nearby structures. Flood waters will also begin to affect road PR-775 at the confluence with Quebrada Pina, and nearby parking lots will be affected.
25.00 ft: The structures at PR-156, near the confluence of Quebrada Convento will begin to be affected by flood waters. The nearby terrain will be at a depth of nearly one foot of inundation.
24.00 ft: Flood waters will begin to affect portions of Urb. Ariel, mostly affecting Calle 12.
22.50 ft: Flooding begins at Calle Georgeti and Calle Santiago R. Palmer. The business and residences closer to the river will likely be impacted by flood waters. Flooding will also begin to affect areas along PR-740, at the Confluence of Quebrada Pina, east of Estadio Municipal Carlos Bonet. Roads will likely become impassable.
22.00 ft: Flood waters will begin to affect the parking lot of Econo Supermarket. Flood waters at Calle Jose de Diego will be at a depth of 2 to 4 feet, likely affecting nearby structures. Roads will become impassable.
20.00 ft: Flood waters will begin to affect the yards of the houses next to Calle 7. The depth of the water should be low, but probably enough to begin affecting nearby houses.
5.73 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	34.86 ft	September 20, 2017
2	32.40 ft	September 22, 2022
3	29.22 ft	January 5, 1992
4	27.78 ft	September 10, 1996
5	24.83 ft	September 21, 1998
6	24.08 ft	September 15, 2004
7	22.93 ft	August 14, 2024
8	20.64 ft	August 23, 2011
9	20.03 ft	August 23, 2000
10	19.88 ft	May 7, 2024

Weather at the gauge

Rain in the last 3 days: 0.34 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 86° 74° 0.15 in, 100% Wind 7 mph

18 Sun 88° 74° 0.09 in, 100% Wind 5 mph

19 Mon 85° 73° 0.15 in, 100% Wind 6 mph

20 Tue 89° 73° 0.25 in, 100% Wind 5 mph

21 Wed 88° 73° 0.05 in, 76% Wind 6 mph

22 Thu 86° 73° 0.11 in, 85% Wind 7 mph

23 Fri 87° 72° 0.38 in, 69% Wind 6 mph

Forecast: Open-Meteo

Sunrise 06:20 AM Sunset 06:01 PM Daylight 11 hr, 42 min First quarter 52%

Map

Other gauges on the Rio De La Plata

Gauge	Level	Compared with normal	24 hours	Distance
Rio De La Plata at CayeyRiver gauge, Rio De La Plata	3.82 ft	Low	+0.15 ft	8 mi
Rio De La Plata at Proyecto La PlataRiver gauge, Rio De La Plata	10.07 ft	Normal	+0.06 ft	4.3 mi
Rio De La Plata below Represa ComerioRiver gauge, Rio De La Plata	5.24 ft	No reference yet	−0.02 ft	3.8 mi
Rio De La Plata below La Plata DamsiteRiver gauge, Rio De La Plata	6.86 ft	Very low	−0.01 ft	9 mi
Rio De La Plata at Highway 2 near Toa AltaRiver gauge, Rio De La Plata	3.43 ft	Normal	−0.08 ft	13 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Rio Guadiana near Guadiana, NaranjitoRiver gauge, Rio Guadiana	1.60 ft	Very low	−0.02 ft	5.5 mi
Rio De Bayamon below Lago De Cidra DamRiver gauge, Rio De Bayamon	5.59 ft	Very low	+0.05 ft	5.8 mi
Rio Usabon at Highway 162 near BarranquitasRiver gauge, Rio Usabon	2.93 ft	Very low	+0.14 ft	7 mi
Rio De Bayamon at ArenasRiver gauge, Rio De Bayamon	1.27 ft	Normal	±0	8 mi
Rio De Bayamon near BayamonRiver gauge, Rio De Bayamon	1.81 ft	Low	−0.24 ft	10 mi
Rio Corozal at CorozalRiver gauge, Rio Corozal	4.49 ft	Normal	±0	11 mi
Rio Lapa near Rabo Del BueyRiver gauge, Rio Lapa	5.30 ft	Normal	−0.01 ft	11 mi

Questions and answers

Is the Rio De La Plata at Comerio higher than last year?

Yes, it is 0.27 ft higher than on the same day last year, when the reading was 5.46 ft.

What is flood stage for the Rio De La Plata at Comerio?

The official flood stage is 13.00 ft. The level is currently 7.27 ft below it.

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

The median for mid-October is 5.30 ft. In 8 years out of 10 the reading falls between 3.24 ft and 7.22 ft, based on 37 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 Comerio today?

On Oct 18, 2026, 03:30 PM AST, the water level was 5.73 ft. Up 0.56 ft over the last 24 hours.

Is Rio De La Plata at Comerio rising or falling?

Up 0.56 ft over the last 24 hours. Up 0.24 ft over the last 7 days.

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

Normal for mid-October. Compared with 37 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:50043800 (Agency page)
Coordinates: 18.22216, -66.22462 (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	5.73 ft	2026-10-18 19:30	Provisional
Flow	64.9 cfs	2026-10-18 19:30	Provisional

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How to cite

U.S. Geological Survey: Rio De La Plata at Comerio (usgs:50043800). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/puerto-rico/rio-de-la-plata-at-comerio

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