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San Juan Radar Outage Impacts Precipitation Estimates.. read more here

Hydrograph River at a Glance Download
Rio Gurabo below El Mango Stage (ft)Flow (kcfs)Observed: 8.88 ft at 10:15AM Oct 27, 2020Observed: 9.04 ft at 10:27AM Oct 27, 2020Observed: 9.12 ft at 10:30AM Oct 27, 2020Observed: 9.21 ft at 10:45AM Oct 27, 2020Observed: 9.22 ft at 11:00AM Oct 27, 2020Observed: 9.2 ft at 11:15AM Oct 27, 2020Observed: 9.16 ft at 11:30AM Oct 27, 2020Observed: 9.13 ft at 11:45AM Oct 27, 2020Observed: 9.09 ft at 12:00PM Oct 27, 2020Observed: 9.05 ft at 12:15PM Oct 27, 2020Observed: 9.02 ft at 12:30PM Oct 27, 2020Observed: 9 ft at 12:45PM Oct 27, 2020Observed: 8.97 ft at 1:00PM Oct 27, 2020Observed: 8.95 ft at 1:15PM Oct 27, 2020Observed: 8.94 ft at 1:30PM Oct 27, 2020Observed: 8.92 ft at 1:45PM Oct 27, 2020Observed: 8.91 ft at 2:00PM Oct 27, 2020Observed: 8.9 ft at 2:15PM Oct 27, 2020Observed: 8.89 ft at 2:30PM Oct 27, 2020Observed: 8.87 ft at 2:45PM Oct 27, 2020Observed: 8.86 ft at 3:00PM Oct 27, 2020Observed: 8.84 ft at 3:15PM Oct 27, 2020Observed: 8.82 ft at 3:30PM Oct 27, 2020Observed: 8.81 ft at 3:45PM Oct 27, 2020Observed: 8.78 ft at 4:00PM Oct 27, 2020Observed: 8.77 ft at 4:15PM Oct 27, 2020Observed: 8.75 ft at 4:30PM Oct 27, 2020Observed: 8.73 ft at 4:45PM Oct 27, 2020Observed: 8.72 ft at 5:00PM Oct 27, 2020Observed: 8.7 ft at 5:15PM Oct 27, 2020Observed: 8.69 ft at 5:30PM Oct 27, 2020Observed: 8.68 ft at 5:45PM Oct 27, 2020Observed: 8.66 ft at 6:00PM Oct 27, 2020Observed: 8.65 ft at 6:15PM Oct 27, 2020Observed: 8.64 ft at 6:26PM Oct 27, 2020Observed: 8.64 ft at 6:30PM Oct 27, 2020Observed: 8.63 ft at 6:45PM Oct 27, 2020Observed: 8.62 ft at 7:00PM Oct 27, 2020Observed: 8.61 ft at 7:15PM Oct 27, 2020Observed: 8.6 ft at 7:30PM Oct 27, 2020Observed: 8.59 ft at 7:45PM Oct 27, 2020Observed: 8.58 ft at 8:00PM Oct 27, 2020Observed: 8.57 ft at 8:15PM Oct 27, 2020Observed: 8.56 ft at 8:30PM Oct 27, 2020Observed: 8.55 ft at 8:45PM Oct 27, 2020Observed: 8.54 ft at 9:00PM Oct 27, 2020Observed: 8.54 ft at 9:15PM Oct 27, 2020Observed: 8.53 ft at 9:30PM Oct 27, 2020Observed: 8.52 ft at 9:45PM Oct 27, 2020Observed: 8.51 ft at 10:00PM Oct 27, 2020Observed: 8.5 ft at 10:15PM Oct 27, 2020Observed: 8.5 ft at 10:30PM Oct 27, 2020Observed: 8.49 ft at 10:45PM Oct 27, 2020Observed: 8.48 ft at 11:00PM Oct 27, 2020Observed: 8.47 ft at 11:15PM Oct 27, 2020Observed: 8.46 ft at 11:30PM Oct 27, 2020Observed: 8.46 ft at 11:45PM Oct 27, 2020Observed: 8.45 ft at 12:00AM Oct 28, 2020Observed: 8.45 ft at 12:15AM Oct 28, 2020Observed: 8.44 ft at 12:30AM Oct 28, 2020Observed: 8.43 ft at 12:45AM Oct 28, 2020Observed: 8.43 ft at 1:00AM Oct 28, 2020Observed: 8.42 ft at 1:15AM Oct 28, 2020Observed: 8.42 ft at 1:30AM Oct 28, 2020Observed: 8.41 ft at 1:45AM Oct 28, 2020Observed: 8.41 ft at 2:00AM Oct 28, 2020Observed: 8.4 ft at 2:15AM Oct 28, 2020Observed: 8.4 ft at 2:27AM Oct 28, 2020Observed: 8.4 ft at 2:30AM Oct 28, 2020Observed: 8.39 ft at 2:45AM Oct 28, 2020Observed: 8.39 ft at 3:00AM Oct 28, 2020Observed: 8.38 ft at 3:15AM Oct 28, 2020Observed: 8.38 ft at 3:30AM Oct 28, 2020Observed: 8.38 ft at 3:45AM Oct 28, 2020Observed: 8.38 ft at 4:00AM Oct 28, 2020Observed: 8.37 ft at 4:15AM Oct 28, 2020Observed: 8.37 ft at 4:30AM Oct 28, 2020Observed: 8.37 ft at 4:45AM Oct 28, 2020Observed: 8.37 ft at 5:00AM Oct 28, 2020Observed: 8.37 ft at 5:15AM Oct 28, 2020Observed: 8.37 ft at 5:30AM Oct 28, 2020Observed: 8.37 ft at 5:45AM Oct 28, 2020Observed: 8.38 ft at 6:00AM Oct 28, 2020Observed: 8.42 ft at 6:15AM Oct 28, 2020Observed: 8.46 ft at 6:30AM Oct 28, 2020Observed: 8.48 ft at 6:45AM Oct 28, 2020Observed: 8.48 ft at 7:00AM Oct 28, 2020Observed: 8.48 ft at 7:15AM Oct 28, 2020Observed: 8.47 ft at 7:30AM Oct 28, 2020Observed: 8.46 ft at 7:45AM Oct 28, 2020Observed: 8.45 ft at 8:00AM Oct 28, 2020Observed: 8.45 ft at 8:15AM Oct 28, 2020Observed: 8.44 ft at 8:30AM Oct 28, 2020Observed: 8.45 ft at 8:45AM Oct 28, 2020Observed: 8.46 ft at 9:00AM Oct 28, 2020Observed: 8.5 ft at 9:15AM Oct 28, 2020Observed: 8.56 ft at 9:30AM Oct 28, 2020Observed: 8.62 ft at 9:45AM Oct 28, 2020Observed: 8.64 ft at 10:00AM Oct 28, 2020Observed: 8.65 ft at 10:15AM Oct 28, 2020Observed: 8.65 ft at 10:30AM Oct 28, 2020Observed: 8.65 ft at 10:32AM Oct 28, 2020Observed: 8.65 ft at 10:45AM Oct 28, 2020Observed: 8.64 ft at 11:00AM Oct 28, 2020Observed: 8.63 ft at 11:15AM Oct 28, 2020Observed: 8.62 ft at 11:30AM Oct 28, 2020Observed: 8.6 ft at 11:45AM Oct 28, 2020Observed: 8.59 ft at 12:00PM Oct 28, 2020Observed: 8.57 ft at 12:15PM Oct 28, 2020Observed: 8.56 ft at 12:30PM Oct 28, 2020Observed: 8.55 ft at 12:45PM Oct 28, 2020Observed: 8.54 ft at 1:00PM Oct 28, 2020Observed: 8.53 ft at 1:15PM Oct 28, 2020Observed: 8.52 ft at 1:30PM Oct 28, 2020Observed: 8.5 ft at 1:45PM Oct 28, 2020Observed: 8.49 ft at 2:00PM Oct 28, 2020Observed: 8.48 ft at 2:15PM Oct 28, 2020Observed: 8.48 ft at 2:30PM Oct 28, 2020Observed: 8.47 ft at 2:45PM Oct 28, 2020Observed: 8.46 ft at 3:00PM Oct 28, 2020Observed: 8.46 ft at 3:15PM Oct 28, 2020Observed: 8.45 ft at 3:30PM Oct 28, 2020Observed: 8.44 ft at 3:45PM Oct 28, 2020Observed: 8.44 ft at 4:00PM Oct 28, 2020Observed: 8.43 ft at 4:15PM Oct 28, 2020Observed: 8.43 ft at 4:30PM Oct 28, 2020Observed: 8.42 ft at 4:45PM Oct 28, 2020Observed: 8.42 ft at 5:00PM Oct 28, 2020Observed: 8.42 ft at 5:15PM Oct 28, 2020Observed: 8.42 ft at 5:30PM Oct 28, 2020Observed: 8.42 ft at 5:45PM Oct 28, 2020Observed: 8.43 ft at 6:00PM Oct 28, 2020Observed: 8.45 ft at 6:15PM Oct 28, 2020Observed: 8.47 ft at 6:30PM Oct 28, 2020Observed: 8.47 ft at 6:32PM Oct 28, 2020Observed: 8.48 ft at 6:45PM Oct 28, 2020Observed: 8.49 ft at 7:00PM Oct 28, 2020Observed: 8.49 ft at 7:15PM Oct 28, 2020Observed: 8.49 ft at 7:30PM Oct 28, 2020Observed: 8.52 ft at 7:45PM Oct 28, 2020Observed: 8.56 ft at 8:00PM Oct 28, 2020Observed: 8.58 ft at 8:15PM Oct 28, 2020Observed: 8.6 ft at 8:30PM Oct 28, 2020Observed: 8.61 ft at 8:45PM Oct 28, 2020Observed: 8.61 ft at 9:00PM Oct 28, 2020Observed: 8.62 ft at 9:15PM Oct 28, 2020Observed: 8.63 ft at 9:30PM Oct 28, 2020Observed: 8.69 ft at 9:45PM Oct 28, 2020Observed: 8.93 ft at 10:00PM Oct 28, 2020Observed: 9.16 ft at 10:15PM Oct 28, 2020Observed: 9.26 ft at 10:30PM Oct 28, 2020Observed: 9.32 ft at 10:45PM Oct 28, 2020Observed: 9.6 ft at 11:00PM Oct 28, 2020Observed: 10.02 ft at 11:15PM Oct 28, 2020Observed: 10.07 ft at 11:30PM Oct 28, 2020Observed: 10 ft at 11:45PM Oct 28, 2020Observed: 9.88 ft at 12:00AM Oct 29, 2020Observed: 9.79 ft at 12:15AM Oct 29, 2020Observed: 9.7 ft at 12:30AM Oct 29, 2020Observed: 9.62 ft at 12:45AM Oct 29, 2020Observed: 9.55 ft at 1:00AM Oct 29, 2020Observed: 9.48 ft at 1:15AM Oct 29, 2020Observed: 9.41 ft at 1:30AM Oct 29, 2020Observed: 9.37 ft at 1:45AM Oct 29, 2020Observed: 9.33 ft at 2:00AM Oct 29, 2020Observed: 9.28 ft at 2:15AM Oct 29, 2020Observed: 9.24 ft at 2:30AM Oct 29, 2020Observed: 9.23 ft at 2:36AM Oct 29, 2020Observed: 9.21 ft at 2:45AM Oct 29, 2020Observed: 9.18 ft at 3:00AM Oct 29, 2020Observed: 9.15 ft at 3:15AM Oct 29, 2020Observed: 9.12 ft at 3:30AM Oct 29, 2020Observed: 9.09 ft at 3:45AM Oct 29, 2020Observed: 9.07 ft at 4:00AM Oct 29, 2020Observed: 9.05 ft at 4:15AM Oct 29, 2020Observed: 9.03 ft at 4:30AM Oct 29, 2020Observed: 9.01 ft at 4:45AM Oct 29, 2020Observed: 9 ft at 5:00AM Oct 29, 2020Observed: 8.98 ft at 5:15AM Oct 29, 2020Observed: 8.97 ft at 5:30AM Oct 29, 2020Observed: 8.96 ft at 5:45AM Oct 29, 2020Observed: 8.96 ft at 6:00AM Oct 29, 2020Observed: 8.94 ft at 6:15AM Oct 29, 2020Observed: 8.94 ft at 6:30AM Oct 29, 2020Observed: 8.93 ft at 6:45AM Oct 29, 2020Observed: 8.94 ft at 7:00AM Oct 29, 2020Observed: 8.93 ft at 7:15AM Oct 29, 2020Observed: 8.93 ft at 7:30AM Oct 29, 2020Observed: 8.95 ft at 7:45AM Oct 29, 2020Observed: 8.97 ft at 8:00AM Oct 29, 2020Observed: 8.98 ft at 8:15AM Oct 29, 2020Observed: 9 ft at 8:30AM Oct 29, 2020Observed: 9.03 ft at 8:45AM Oct 29, 2020Observed: 9.04 ft at 9:00AM Oct 29, 2020Observed: 9.07 ft at 9:15AM Oct 29, 2020Observed: 9.11 ft at 9:30AM Oct 29, 2020Observed: 9.15 ft at 9:45AM Oct 29, 2020Observed: 9.19 ft at 10:00AM Oct 29, 2020Observed: 9.22 ft at 10:15AM Oct 29, 2020Observed: 9.25 ft at 10:30AM Oct 29, 2020Observed: 9.25 ft at 10:37AM Oct 29, 2020Observed: 9.26 ft at 10:45AM Oct 29, 2020Observed: 9.27 ft at 11:00AM Oct 29, 2020Observed: 9.28 ft at 11:15AM Oct 29, 2020Observed: 9.29 ft at 11:30AM Oct 29, 2020Observed: 9.28 ft at 11:45AM Oct 29, 2020Observed: 9.28 ft at 12:00PM Oct 29, 2020Observed: 9.27 ft at 12:15PM Oct 29, 2020Observed: 9.27 ft at 12:30PM Oct 29, 2020Observed: 9.29 ft at 12:45PM Oct 29, 2020Observed: 9.33 ft at 1:00PM Oct 29, 2020Observed: 9.54 ft at 1:15PM Oct 29, 2020Observed: 9.99 ft at 1:30PM Oct 29, 2020Observed: 10.19 ft at 1:45PM Oct 29, 2020Observed: 10.26 ft at 2:00PM Oct 29, 2020Observed: 10.21 ft at 2:15PM Oct 29, 2020Observed: 10.09 ft at 2:30PM Oct 29, 2020Observed: 10.01 ft at 2:45PM Oct 29, 2020Observed: 10.01 ft at 3:00PM Oct 29, 2020Observed: 10.16 ft at 3:15PM Oct 29, 2020Observed: 10.5 ft at 3:30PM Oct 29, 2020Observed: 10.81 ft at 3:45PM Oct 29, 2020Observed: 10.89 ft at 4:00PM Oct 29, 2020Observed: 10.84 ft at 4:15PM Oct 29, 2020Observed: 10.75 ft at 4:30PM Oct 29, 2020Observed: 10.72 ft at 4:45PM Oct 29, 2020Observed: 10.68 ft at 5:00PM Oct 29, 2020Observed: 10.71 ft at 5:15PM Oct 29, 2020Observed: 10.75 ft at 5:30PM Oct 29, 2020Observed: 10.73 ft at 5:45PM Oct 29, 2020Observed: 10.66 ft at 6:00PM Oct 29, 2020Observed: 10.53 ft at 6:15PM Oct 29, 2020Observed: 10.46 ft at 6:30PM Oct 29, 2020Observed: 10.43 ft at 6:36PM Oct 29, 2020Observed: 10.4 ft at 6:45PM Oct 29, 2020Observed: 10.4 ft at 7:00PM Oct 29, 2020Observed: 10.4 ft at 7:15PM Oct 29, 2020Observed: 10.52 ft at 7:30PM Oct 29, 2020Observed: 10.92 ft at 7:45PM Oct 29, 2020Observed: 11.15 ft at 8:00PM Oct 29, 2020Observed: 11.24 ft at 8:15PM Oct 29, 2020Observed: 11.29 ft at 8:30PM Oct 29, 2020Observed: 11.41 ft at 8:45PM Oct 29, 2020Observed: 11.57 ft at 9:00PM Oct 29, 2020Highest Observation: 11.59 ft at 9:15PM Oct 29, 2020Observed: 11.45 ft at 9:30PM Oct 29, 2020Observed: 11.26 ft at 9:45PM Oct 29, 2020Observed: 11.08 ft at 10:00PM Oct 29, 2020Observed: 10.92 ft at 10:15PM Oct 29, 2020Observed: 10.79 ft at 10:30PM Oct 29, 2020Observed: 10.65 ft at 10:45PM Oct 29, 2020Observed: 10.52 ft at 11:00PM Oct 29, 2020Observed: 10.38 ft at 11:15PM Oct 29, 2020Observed: 10.26 ft at 11:30PM Oct 29, 2020Observed: 10.15 ft at 11:45PM Oct 29, 2020Observed: 10.06 ft at 12:00AM Oct 30, 2020Observed: 9.99 ft at 12:15AM Oct 30, 2020Observed: 9.9 ft at 12:30AM Oct 30, 2020Observed: 9.83 ft at 12:45AM Oct 30, 2020Observed: 9.78 ft at 1:00AM Oct 30, 2020Observed: 9.72 ft at 1:15AM Oct 30, 2020Observed: 9.67 ft at 1:30AM Oct 30, 2020Observed: 9.61 ft at 1:45AM Oct 30, 2020Observed: 9.57 ft at 2:00AM Oct 30, 2020Observed: 9.53 ft at 2:15AM Oct 30, 2020Observed: 9.49 ft at 2:30AM Oct 30, 2020Observed: 9.47 ft at 2:41AM Oct 30, 2020Observed: 9.46 ft at 2:45AM Oct 30, 2020Observed: 9.43 ft at 3:00AM Oct 30, 2020Observed: 9.39 ft at 3:15AM Oct 30, 2020Observed: 9.36 ft at 3:30AM Oct 30, 2020Observed: 9.34 ft at 3:45AM Oct 30, 2020Observed: 9.31 ft at 4:00AM Oct 30, 2020Observed: 9.29 ft at 4:15AM Oct 30, 2020Observed: 9.27 ft at 4:30AM Oct 30, 2020Observed: 9.24 ft at 4:45AM Oct 30, 2020Observed: 9.22 ft at 5:00AM Oct 30, 2020Observed: 9.2 ft at 5:15AM Oct 30, 2020Observed: 9.18 ft at 5:30AM Oct 30, 2020Observed: 9.17 ft at 5:45AM Oct 30, 2020Observed: 9.15 ft at 6:00AM Oct 30, 2020Observed: 9.13 ft at 6:15AM Oct 30, 2020Observed: 9.11 ft at 6:30AM Oct 30, 2020Observed: 9.1 ft at 6:45AM Oct 30, 2020Observed: 9.08 ft at 7:00AM Oct 30, 2020Observed: 9.07 ft at 7:15AM Oct 30, 2020Observed: 9.06 ft at 7:30AM Oct 30, 2020Observed: 9.04 ft at 7:45AM Oct 30, 2020Observed: 9.03 ft at 8:00AM Oct 30, 2020Observed: 9.01 ft at 8:15AM Oct 30, 2020Observed: 9 ft at 8:30AM Oct 30, 2020Observed: 8.99 ft at 8:45AM Oct 30, 2020Observed: 8.97 ft at 9:00AM Oct 30, 2020USGS--Water Resources of the United StatesGUTP4(plotting HGIRG) Graph Created (10:06AM Oct 30, 2020)ObservedLatest observed value: 8.97 ft at 9:00 AM AST 30-Oct-2020. Flood Stage is 18 ft
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About this graph
Tabular Data (UTC)
Tabular Data (AST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Rio Gurabo below El Mango. Only observed stages are available for this point.
Return to Area Map
Downstream Gauge Downstream Gauge - at Gurabo
Flood Categories (in feet)
Major Flood Stage: 22
Moderate Flood Stage: 20
Flood Stage: 18
Action Stage: 13
Low Stage (in feet): 0

Historic Crests
(1) 24.12 ft on 09/10/1996
(2) 23.87 ft on 09/20/2017
(3) 22.72 ft on 09/21/1998
(4) 20.76 ft on 04/17/2003
(5) 20.44 ft on 09/15/2004
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.87 ft on 09/20/2017
(2) 17.45 ft on 12/02/2015
(3) 14.63 ft on 10/21/2013
(4) 15.71 ft on 07/01/2013
(5) 14.69 ft on 04/22/2012
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:15
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: 18.233889° N, Longitude: 65.885278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 18 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 233.55 ft 251.55 ft  

Current/Historical Observations:

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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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Page last modified: 1-Mar-2019 12:35 AM
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