Rio Culebrinas at Margarita Damsite near Aguada water level

Name: Rio Culebrinas at Margarita Damsite near Aguada 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 Culebrinas, Puerto Rico, United States

Directions

Very high for late October

Water level

10.43ft Down 3.51 ft over the last 24 hours

Measured Oct 21, 2026, 01:45 AM AST (42 min ago)

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 Culebrinas at Margarita Damsite near Aguada shows 10.43 ft, well above normal for late October.

That puts it 2.59 ft above the median of 7.84 ft for late October, based on 21 years of readings. It is 6.27 ft below the flood stage of 16.70 ft. A year ago it stood at 9.08 ft (+1.35 ft).

The level is falling, down 3.51 ft over the past 24 hours. Over the past 30 days it has moved between 8.68 ft and 16.64 ft.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 7.84 ft2.59 ft above the median for this date
Normal for this date: 6.90 ft – 9.90 ft8 years in 10 fall in this range (21 years of records)
Same day last year: 9.08 ft+1.35 ft
Lowest and highest in 30 days: 8.68 ft – 16.64 ft
Lowest and highest in 12 months: 8.19 ft – 15.20 ft
Highest on record: 16.79 ftMarch 28, 2026

High water at Rio Culebrinas at Margarita Damsite near Aguada

The National Weather Service splits flooding into minor, moderate and major flood stage, each tied to what starts to go under water at this particular gauge. Minor flooding usually means low roads, parks and farmland; major flooding reaches homes and businesses.

Keep children and dogs well back from the edge, and stay off flooded footpaths and towpaths.

Highest crests on record

Rank	Level	Date
1	16.79 ft	March 28, 2026

Weather at the gauge

Rain in the last 3 days: 0.48 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 87° 74° 0.11 in, 100% Wind 7 mph

18 Sun 88° 71° 0.10 in, 100% Wind 4 mph

19 Mon 88° 71° 0.22 in, 100% Wind 4 mph

20 Tue 87° 71° 0.37 in, 100% Wind 5 mph

21 Wed 87° 71° 0.17 in, 76% Wind 6 mph

22 Thu 89° 69° 0.05 in, 84% Wind 8 mph

23 Fri 79° 73° 0.21 in, 61% Wind 7 mph

Forecast: Open-Meteo

Sunrise 06:25 AM Sunset 06:03 PM Daylight 11 hr, 38 min Waxing gibbous 75%

Map

Other gauges on the Rio Culebrinas

Gauge	Level	Compared with normal	24 hours	Distance
Rio Culebrinas at Highway 404 near MocaRiver gauge, Rio Culebrinas	10.28 ft	Normal	−1.13 ft	4.5 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Canal Moca above Aguadilla Plant, AguadillaCanal gauge, Canal Moca	1.19 ft	Normal	−0.07 ft	3.9 mi
Canal De Aguadilla above Lago Ramey, AguadillaCanal gauge, Canal De Aguadilla	1.69 ft	Normal	±0	6.0 mi
Canal Principal Diversion above Lago GuerreroCanal gauge, Canal Principal Diversion	24.4 cfs	Normal	+1.2 cfs	8 mi
Canal De Moca above Lago Regulador E13 IsabelaCanal gauge, Canal De Moca	1.65 ft	Low	−0.13 ft	9 mi
Rio Grande De Anasco near San SebastianRiver gauge, Rio Grande De Anasco	2.65 ft	Low	−0.64 ft	10 mi
Canal Principal Diversion below Forebay, IsabelaCanal gauge, Canal Principal Diversion	5.22 ft	Very high	−0.01 ft	10 mi
Rio Guajataca below Lago GuajatacaRiver gauge, Rio Guajataca	7.82 ft	Very high	+0.13 ft	15 mi
Canal De Derivacion at Lago De GuajatacaCanal gauge, Canal De Derivacion	3.27 ft	Normal	−0.13 ft	15 mi

Questions and answers

How does the Rio Culebrinas at Margarita Damsite near Aguada compare with last year?

It is 1.35 ft higher than on the same day last year, when the reading was 9.08 ft.

What is flood stage for the Rio Culebrinas at Margarita Damsite near Aguada?

The official flood stage is 16.70 ft. The level is currently 6.27 ft below it.

What is a normal level for the Rio Culebrinas at Margarita Damsite near Aguada in late October?

The median for late October is 7.84 ft. In 8 years out of 10 the reading falls between 6.90 ft and 9.90 ft, based on 21 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 Culebrinas at Margarita Damsite near Aguada today?

On Oct 21, 2026, 01:45 AM AST, the water level was 10.43 ft. Down 3.51 ft over the last 24 hours.

Is Rio Culebrinas at Margarita Damsite near Aguada rising or falling?

Down 3.51 ft over the last 24 hours. Up 0.94 ft over the last 7 days.

Is the level of Rio Culebrinas at Margarita Damsite near Aguada normal?

Very high for late October. Compared with 21 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:50148890 (Agency page)
Coordinates: 18.39450, -67.15120 (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	10.43 ft	2026-10-21 05:45	Provisional

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How to cite

U.S. Geological Survey: Rio Culebrinas at Margarita Damsite near Aguada (usgs:50148890). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/puerto-rico/rio-culebrinas-at-margarita-damsite-near-aguada

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