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Hydrograph River at a Glance Download
Rio Grande De Manati near Ciales Stage (ft)Flow (kcfs)Observed: 3.08 ft at 3:15PM Jan 27, 2023Observed: 3.08 ft at 3:30PM Jan 27, 2023Observed: 3.08 ft at 3:45PM Jan 27, 2023Observed: 3.09 ft at 4:00PM Jan 27, 2023Observed: 3.09 ft at 4:15PM Jan 27, 2023Observed: 3.1 ft at 4:30PM Jan 27, 2023Observed: 3.1 ft at 4:45PM Jan 27, 2023Observed: 3.1 ft at 5:00PM Jan 27, 2023Observed: 3.1 ft at 5:15PM Jan 27, 2023Observed: 3.12 ft at 5:30PM Jan 27, 2023Observed: 3.11 ft at 5:45PM Jan 27, 2023Observed: 3.11 ft at 6:00PM Jan 27, 2023Observed: 3.11 ft at 6:15PM Jan 27, 2023Observed: 3.12 ft at 6:30PM Jan 27, 2023Observed: 3.11 ft at 6:35PM Jan 27, 2023Observed: 3.11 ft at 6:45PM Jan 27, 2023Observed: 3.11 ft at 7:00PM Jan 27, 2023Observed: 3.12 ft at 7:15PM Jan 27, 2023Observed: 3.11 ft at 7:30PM Jan 27, 2023Observed: 3.11 ft at 9:45PM Jan 27, 2023Observed: 3.1 ft at 10:00PM Jan 27, 2023Observed: 3.11 ft at 10:15PM Jan 27, 2023Observed: 3.12 ft at 10:30PM Jan 27, 2023Observed: 3.12 ft at 10:45PM Jan 27, 2023Observed: 3.11 ft at 11:00PM Jan 27, 2023Observed: 3.11 ft at 11:15PM Jan 27, 2023Observed: 3.11 ft at 11:30PM Jan 27, 2023Observed: 3.11 ft at 11:45PM Jan 27, 2023Observed: 3.12 ft at 12:00AM Jan 28, 2023Observed: 3.11 ft at 12:15AM Jan 28, 2023Observed: 3.1 ft at 12:30AM Jan 28, 2023Observed: 3.1 ft at 12:45AM Jan 28, 2023Observed: 3.1 ft at 1:00AM Jan 28, 2023Observed: 3.1 ft at 1:15AM Jan 28, 2023Observed: 3.1 ft at 1:30AM Jan 28, 2023Observed: 3.1 ft at 1:45AM Jan 28, 2023Observed: 3.1 ft at 2:00AM Jan 28, 2023Observed: 3.1 ft at 2:15AM Jan 28, 2023Observed: 3.09 ft at 2:30AM Jan 28, 2023Observed: 3.09 ft at 2:35AM Jan 28, 2023Observed: 3.09 ft at 2:45AM Jan 28, 2023Observed: 3.08 ft at 3:00AM Jan 28, 2023Observed: 3.09 ft at 3:15AM Jan 28, 2023Observed: 3.09 ft at 3:30AM Jan 28, 2023Observed: 3.09 ft at 3:45AM Jan 28, 2023Observed: 3.07 ft at 4:00AM Jan 28, 2023Observed: 3.07 ft at 4:15AM Jan 28, 2023Observed: 3.07 ft at 4:30AM Jan 28, 2023Observed: 3.07 ft at 5:45AM Jan 28, 2023Observed: 3.07 ft at 6:00AM Jan 28, 2023Observed: 3.06 ft at 6:15AM Jan 28, 2023Observed: 3.07 ft at 6:30AM Jan 28, 2023Observed: 3.06 ft at 7:45AM Jan 28, 2023Observed: 3.05 ft at 8:00AM Jan 28, 2023Observed: 3.06 ft at 8:15AM Jan 28, 2023Observed: 3.06 ft at 8:30AM Jan 28, 2023Observed: 3.06 ft at 8:45AM Jan 28, 2023Observed: 3.06 ft at 9:00AM Jan 28, 2023Observed: 3.05 ft at 9:15AM Jan 28, 2023Observed: 3.05 ft at 9:30AM Jan 28, 2023Observed: 3.06 ft at 9:45AM Jan 28, 2023Observed: 3.06 ft at 10:00AM Jan 28, 2023Observed: 3.05 ft at 10:15AM Jan 28, 2023Observed: 3.05 ft at 10:30AM Jan 28, 2023Observed: 3.05 ft at 10:36AM Jan 28, 2023Observed: 3.05 ft at 10:45AM Jan 28, 2023Observed: 3.06 ft at 11:00AM Jan 28, 2023Observed: 3.05 ft at 11:15AM Jan 28, 2023Observed: 3.06 ft at 11:30AM Jan 28, 2023Observed: 3.06 ft at 11:45AM Jan 28, 2023Observed: 3.06 ft at 12:00PM Jan 28, 2023Observed: 3.05 ft at 12:15PM Jan 28, 2023Observed: 3.05 ft at 12:30PM Jan 28, 2023Observed: 3.05 ft at 12:45PM Jan 28, 2023Observed: 3.05 ft at 1:00PM Jan 28, 2023Observed: 3.05 ft at 1:15PM Jan 28, 2023Observed: 3.05 ft at 1:30PM Jan 28, 2023Observed: 3.05 ft at 1:45PM Jan 28, 2023Observed: 3.06 ft at 2:00PM Jan 28, 2023Observed: 3.05 ft at 2:15PM Jan 28, 2023Observed: 3.05 ft at 2:30PM Jan 28, 2023Observed: 3.05 ft at 2:45PM Jan 28, 2023Observed: 3.05 ft at 3:00PM Jan 28, 2023Observed: 3.06 ft at 3:15PM Jan 28, 2023Observed: 3.05 ft at 3:30PM Jan 28, 2023Observed: 3.05 ft at 3:45PM Jan 28, 2023Observed: 3.05 ft at 4:00PM Jan 28, 2023Observed: 3.04 ft at 4:15PM Jan 28, 2023Observed: 3.06 ft at 4:30PM Jan 28, 2023Observed: 3.05 ft at 4:45PM Jan 28, 2023Observed: 3.04 ft at 5:00PM Jan 28, 2023Observed: 3.05 ft at 5:15PM Jan 28, 2023Observed: 3.05 ft at 5:30PM Jan 28, 2023Observed: 3.06 ft at 5:45PM Jan 28, 2023Observed: 3.06 ft at 6:00PM Jan 28, 2023Observed: 3.05 ft at 6:15PM Jan 28, 2023Observed: 3.05 ft at 6:30PM Jan 28, 2023Observed: 3.04 ft at 6:42PM Jan 28, 2023Observed: 3.05 ft at 6:45PM Jan 28, 2023Observed: 3.05 ft at 7:00PM Jan 28, 2023Observed: 3.04 ft at 7:15PM Jan 28, 2023Observed: 3.04 ft at 7:30PM Jan 28, 2023Observed: 3.05 ft at 7:45PM Jan 28, 2023Observed: 3.05 ft at 8:00PM Jan 28, 2023Observed: 3.05 ft at 8:15PM Jan 28, 2023Observed: 3.04 ft at 8:30PM Jan 28, 2023Observed: 3.05 ft at 8:45PM Jan 28, 2023Observed: 3.05 ft at 9:00PM Jan 28, 2023Observed: 3.05 ft at 9:15PM Jan 28, 2023Observed: 3.05 ft at 9:30PM Jan 28, 2023Observed: 3.05 ft at 9:45PM Jan 28, 2023Observed: 3.05 ft at 10:00PM Jan 28, 2023Observed: 3.05 ft at 10:15PM Jan 28, 2023Observed: 3.05 ft at 10:30PM Jan 28, 2023Observed: 3.06 ft at 11:45PM Jan 28, 2023Observed: 3.06 ft at 12:00AM Jan 29, 2023Observed: 3.06 ft at 12:15AM Jan 29, 2023Observed: 3.05 ft at 12:30AM Jan 29, 2023Observed: 3.06 ft at 1:45AM Jan 29, 2023Observed: 3.06 ft at 2:00AM Jan 29, 2023Observed: 3.06 ft at 2:15AM Jan 29, 2023Observed: 3.06 ft at 2:30AM Jan 29, 2023Observed: 3.07 ft at 2:42AM Jan 29, 2023Observed: 3.09 ft at 6:45AM Jan 29, 2023Observed: 3.1 ft at 7:00AM Jan 29, 2023Observed: 3.09 ft at 7:15AM Jan 29, 2023Observed: 3.1 ft at 7:30AM Jan 29, 2023Observed: 3.09 ft at 7:45AM Jan 29, 2023Observed: 3.09 ft at 8:00AM Jan 29, 2023Observed: 3.1 ft at 8:15AM Jan 29, 2023Observed: 3.11 ft at 8:30AM Jan 29, 2023Observed: 3.11 ft at 8:45AM Jan 29, 2023Observed: 3.1 ft at 9:00AM Jan 29, 2023Observed: 3.1 ft at 9:15AM Jan 29, 2023Observed: 3.11 ft at 9:30AM Jan 29, 2023Observed: 3.12 ft at 10:45AM Jan 29, 2023Observed: 3.12 ft at 11:00AM Jan 29, 2023Observed: 3.13 ft at 11:15AM Jan 29, 2023Observed: 3.12 ft at 11:30AM Jan 29, 2023Observed: 3.14 ft at 12:45PM Jan 29, 2023Observed: 3.12 ft at 1:00PM Jan 29, 2023Observed: 3.13 ft at 1:15PM Jan 29, 2023Observed: 3.13 ft at 1:30PM Jan 29, 2023Observed: 3.14 ft at 1:45PM Jan 29, 2023Observed: 3.12 ft at 2:00PM Jan 29, 2023Observed: 3.13 ft at 2:15PM Jan 29, 2023Observed: 3.13 ft at 2:30PM Jan 29, 2023Observed: 3.14 ft at 2:45PM Jan 29, 2023Observed: 3.14 ft at 3:00PM Jan 29, 2023Observed: 3.14 ft at 3:15PM Jan 29, 2023Observed: 3.14 ft at 3:30PM Jan 29, 2023Observed: 3.14 ft at 3:45PM Jan 29, 2023Observed: 3.14 ft at 4:00PM Jan 29, 2023Observed: 3.14 ft at 4:15PM Jan 29, 2023Observed: 3.14 ft at 4:30PM Jan 29, 2023Observed: 3.13 ft at 4:45PM Jan 29, 2023Observed: 3.14 ft at 5:00PM Jan 29, 2023Observed: 3.14 ft at 5:15PM Jan 29, 2023Observed: 3.15 ft at 5:30PM Jan 29, 2023Observed: 3.13 ft at 5:45PM Jan 29, 2023Observed: 3.14 ft at 6:00PM Jan 29, 2023Observed: 3.15 ft at 6:15PM Jan 29, 2023Observed: 3.14 ft at 6:30PM Jan 29, 2023Observed: 3.14 ft at 6:45PM Jan 29, 2023Observed: 3.14 ft at 6:46PM Jan 29, 2023Observed: 3.14 ft at 7:00PM Jan 29, 2023Observed: 3.14 ft at 7:15PM Jan 29, 2023Observed: 3.14 ft at 7:30PM Jan 29, 2023Observed: 3.14 ft at 7:45PM Jan 29, 2023Observed: 3.14 ft at 8:00PM Jan 29, 2023Observed: 3.15 ft at 8:15PM Jan 29, 2023Observed: 3.15 ft at 8:30PM Jan 29, 2023Observed: 3.15 ft at 8:45PM Jan 29, 2023Observed: 3.15 ft at 9:00PM Jan 29, 2023Observed: 3.15 ft at 9:15PM Jan 29, 2023Observed: 3.15 ft at 9:30PM Jan 29, 2023Observed: 3.15 ft at 9:45PM Jan 29, 2023Observed: 3.14 ft at 10:00PM Jan 29, 2023Observed: 3.15 ft at 10:15PM Jan 29, 2023Observed: 3.15 ft at 10:30PM Jan 29, 2023Observed: 3.15 ft at 10:45PM Jan 29, 2023Observed: 3.15 ft at 11:00PM Jan 29, 2023Observed: 3.14 ft at 11:15PM Jan 29, 2023Observed: 3.14 ft at 11:30PM Jan 29, 2023Observed: 3.14 ft at 12:45AM Jan 30, 2023Observed: 3.14 ft at 1:00AM Jan 30, 2023Observed: 3.14 ft at 1:15AM Jan 30, 2023Observed: 3.15 ft at 1:30AM Jan 30, 2023Observed: 3.14 ft at 2:45AM Jan 30, 2023Observed: 3.14 ft at 3:00AM Jan 30, 2023Observed: 3.14 ft at 3:15AM Jan 30, 2023Observed: 3.14 ft at 3:30AM Jan 30, 2023Observed: 3.14 ft at 4:45AM Jan 30, 2023Observed: 3.15 ft at 5:00AM Jan 30, 2023Observed: 3.15 ft at 5:15AM Jan 30, 2023Observed: 3.14 ft at 5:30AM Jan 30, 2023Observed: 3.14 ft at 5:45AM Jan 30, 2023Observed: 3.15 ft at 6:00AM Jan 30, 2023Observed: 3.14 ft at 6:15AM Jan 30, 2023Observed: 3.14 ft at 6:30AM Jan 30, 2023Observed: 3.14 ft at 6:45AM Jan 30, 2023Observed: 3.15 ft at 7:00AM Jan 30, 2023Observed: 3.14 ft at 7:15AM Jan 30, 2023Observed: 3.14 ft at 7:30AM Jan 30, 2023Observed: 3.14 ft at 7:45AM Jan 30, 2023Observed: 3.14 ft at 8:00AM Jan 30, 2023Observed: 3.14 ft at 8:15AM Jan 30, 2023Observed: 3.15 ft at 8:30AM Jan 30, 2023Observed: 3.15 ft at 8:45AM Jan 30, 2023Observed: 3.15 ft at 9:00AM Jan 30, 2023Observed: 3.15 ft at 9:15AM Jan 30, 2023Observed: 3.15 ft at 9:30AM Jan 30, 2023Highest Observation: 3.16 ft at 9:45AM Jan 30, 2023Observed: 3.14 ft at 10:00AM Jan 30, 2023Observed: 3.15 ft at 10:15AM Jan 30, 2023Observed: 3.15 ft at 10:30AM Jan 30, 2023Observed: 3.14 ft at 10:45AM Jan 30, 2023Observed: 3.14 ft at 10:46AM Jan 30, 2023Observed: 3.15 ft at 11:00AM Jan 30, 2023Observed: 3.14 ft at 11:15AM Jan 30, 2023Observed: 3.15 ft at 11:30AM Jan 30, 2023Highest Observation: 3.16 ft at 11:45AM Jan 30, 2023Observed: 3.15 ft at 12:00PM Jan 30, 2023Observed: 3.15 ft at 12:15PM Jan 30, 2023Observed: 3.14 ft at 12:30PM Jan 30, 2023Observed: 3.15 ft at 12:45PM Jan 30, 2023Observed: 3.13 ft at 1:00PM Jan 30, 2023Observed: 3.13 ft at 1:15PM Jan 30, 2023Observed: 3.14 ft at 1:30PM Jan 30, 2023Observed: 3.13 ft at 1:45PM Jan 30, 2023Observed: 3.13 ft at 2:00PM Jan 30, 2023Observed: 3.14 ft at 2:15PM Jan 30, 2023Observed: 3.12 ft at 2:30PM Jan 30, 2023USGS--Water Resources of the United StatesCIAP4(plotting HGIRG) Graph Created (3:06PM Jan 30, 2023)ObservedLatest observed value: 3.12 ft at 2:30 PM AST 30-Jan-2023. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (AST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Rio Grande De Manati near Ciales. Only observed stages are available for this point.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 12
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 50.00 ft on 08/08/1899
(2) 43.36 ft on 09/20/2017
(3) 36.00 ft on 09/13/1928
(4) 34.00 ft on 09/26/1932
(5) 25.20 ft on 09/10/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.58 ft on 07/30/2020 (P)
(2) 43.36 ft on 09/20/2017
(3) 10.58 ft on 11/24/2015
(4) 13.31 ft on 08/23/2014
(5) 12.16 ft on 10/26/2012
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.78 ft on 10/28/1993
Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
About This Location Collapse

Latitude: 18.322438° N, Longitude: 66.459564° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 10 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 140 150 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
San Juan Weather Forecast Office
4000 Carreterra 190
San Juan, PR 00979
(787) 253-4586
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