Nivelmap
EN

Rio Culebrinas at Highway 404 near Moca water level

River gauge, Rio Culebrinas, Puerto Rico, United States

Directions

Right now

Normal for mid-October

Water level

10.32ft Up 0.18 ft over the last 24 hours

Flow
327 cfs
10 20 30 Highest onrecord 36.60 ft Minor floodstage 25.50 ft

History

History
10152025ftOct 16Oct 17Oct 18Oct 19Oct 20Minor flood stage10152025ftOct 16Oct 18Oct 20Minor flood stage
101214ftSep 21Sep 28Oct 5Oct 13Oct 20101214ftSep 21Oct 5Oct 20
8101315ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20268101315ftOct 2025Apr 2026Oct 2026
8101315ftJanMarMayJulSepNov20268101315ftJanAprJulOct2026

20252026

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

What this means

The Rio Culebrinas at Highway 404 near Moca is at 10.32 ft, in the normal range for mid-October.

The median for mid-October is 10.66 ft, based on 37 years of readings, so the river stage is 0.34 ft below typical. It is 15.18 ft below the flood stage of 25.50 ft. On the same day last year the reading was 9.85 ft, a difference of +0.47 ft.

It has risen 0.18 ft over the past 24 hours. There is still 15.18 ft of room before flood stage. In the last month it has stayed between 9.43 ft and 21.64 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
10.66 ft0.34 ft below the median for this date
Normal for this date
9.27 ft – 12.53 ft8 years in 10 fall in this range (37 years of records)
Same day last year
9.85 ft+0.47 ft
Lowest and highest in 30 days
9.43 ft – 21.64 ft
Lowest and highest in 12 months
8.89 ft – 15.30 ft
Highest on record
36.60 ftSeptember 16, 1975

Floating and fishing near Rio Culebrinas at Highway 404 near Moca

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 25.50 ft, 15.18 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

30.00 ft
Culebrinas out of its banks - Road 110 km 10.1 (interior) at Barrio Naranjo and Road 111 km 11.3 at Barrio Capa flooded/impassable. OMS/5.2019
25.00 ft
Culebrinas out of its banks - Road 110 km 10.1 (interior) flooded/impassable. OMS/5.2019
22.00 ft
Rio Culebrinas will overflow in PR-110, km 9.9, near Valle Encantado in Sector Los Cocos. The road will become impassable.
15.00 ft
Low-water crossings are impassable at Sector Cocos, barrio Marias in Moca./ oms 3/2023
10.32 ft
Right now

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

Highest crests on record

RankLevelDate
136.60 ftSeptember 16, 1975
234.65 ftSeptember 22, 1998
333.55 ftAugust 14, 2024
433.22 ftMay 9, 2024
533.18 ftSeptember 20, 2017
631.82 ftAugust 24, 1988
731.17 ftSeptember 16, 2004
830.12 ftMay 5, 1986
929.89 ftMay 29, 2019
1029.71 ftOctober 24, 1981

Weather at the gauge

Rain in the last 3 days: 0.41 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 87° 72° 0.20 in, 100% Wind 4 mph
21 Wed 89° 71° 0.08 in, 72% Wind 5 mph
22 Thu 88° 71° 0.16 in, 96% Wind 9 mph
23 Fri 87° 73° 0.28 in, 90% Wind 5 mph
24 Sat 87° 74° 0.18 in, 54% Wind 4 mph
25 Sun 88° 72° 0.09 in, 54% Wind 4 mph
26 Mon 89° 74° 0.02 in, 76% Wind 3 mph

Forecast: Open-Meteo

Sunrise 06:24 AM Sunset 06:03 PM Daylight 11 hr, 39 min Waxing gibbous 70%

Map

Other gauges on the Rio Culebrinas

Gauge Level Compared with normal 24 hours Distance
Rio Culebrinas at Margarita Damsite near AguadaRiver gauge, Rio Culebrinas 10.49 ft Very high +0.58 ft 4.5 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Rio Grande De Anasco near San SebastianRiver gauge, Rio Grande De Anasco 2.81 ft Normal −0.44 ft 6.0 mi
Canal Moca above Aguadilla Plant, AguadillaCanal gauge, Canal Moca 1.24 ft Normal ±0 7 mi
Canal De Moca above Lago Regulador E13 IsabelaCanal gauge, Canal De Moca 1.71 ft Normal −0.07 ft 8 mi
Canal De Aguadilla above Lago Ramey, AguadillaCanal gauge, Canal De Aguadilla 1.69 ft Normal +0.01 ft 8 mi
Canal Principal Diversion above Lago GuerreroCanal gauge, Canal Principal Diversion 47.9 cfs Very high +26.6 cfs 8 mi
Rio Guajataca below Lago GuajatacaRiver gauge, Rio Guajataca 7.81 ft Very high +0.07 ft 11 mi
Canal De Derivacion at Lago De GuajatacaCanal gauge, Canal De Derivacion 3.27 ft Normal −0.13 ft 11 mi
Rio Rosario near HormiguerosRiver gauge, Rio Rosario 1.82 ft Very low −0.24 ft 14 mi

Questions and answers

Is the Rio Culebrinas at Highway 404 near Moca higher than last year?

Yes, it is 0.47 ft higher than on the same day last year, when the reading was 9.85 ft.

What is flood stage for the Rio Culebrinas at Highway 404 near Moca?

The official flood stage is 25.50 ft. The level is currently 15.18 ft below it.

What is a normal level for the Rio Culebrinas at Highway 404 near Moca in mid-October?

The median for mid-October is 10.66 ft. In 8 years out of 10 the reading falls between 9.27 ft and 12.53 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 Culebrinas at Highway 404 near Moca today?

On Oct 20, 2026, 02:00 PM AST, the water level was 10.32 ft. Up 0.18 ft over the last 24 hours.

Is Rio Culebrinas at Highway 404 near Moca rising or falling?

Up 0.18 ft over the last 24 hours. Up 0.46 ft over the last 7 days.

Is the level of Rio Culebrinas at Highway 404 near Moca 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:50147800 (Agency page)
Coordinates
18.36174, -67.09254 (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

ParameterLast valueTime (UTC)Quality
Water level 10.32 ft 2026-10-20 18:00 Provisional
Flow 327 cfs 2026-10-20 18:00 Provisional

Download

Embed this gauge

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

How to cite

U.S. Geological Survey: Rio Culebrinas at Highway 404 near Moca (usgs:50147800). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/puerto-rico/rio-culebrinas-at-highway-404-near-moca

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.