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San Juan Radar Outage Impacts Precipitation Estimates.. read more here
Hydrograph River at a Glance Download
Rio Guajataca below Lago Guajataca Stage (ft)Observed: 5.13 ft at 3:45AM Nov 24, 2021Observed: 5.12 ft at 4:00AM Nov 24, 2021Observed: 5.12 ft at 4:01AM Nov 24, 2021Observed: 5.13 ft at 4:15AM Nov 24, 2021Observed: 5.13 ft at 4:30AM Nov 24, 2021Observed: 5.13 ft at 4:45AM Nov 24, 2021Observed: 5.12 ft at 5:00AM Nov 24, 2021Observed: 5.13 ft at 5:15AM Nov 24, 2021Observed: 5.13 ft at 5:30AM Nov 24, 2021Observed: 5.12 ft at 5:45AM Nov 24, 2021Observed: 5.13 ft at 6:00AM Nov 24, 2021Observed: 5.13 ft at 6:15AM Nov 24, 2021Observed: 5.13 ft at 6:30AM Nov 24, 2021Observed: 5.13 ft at 6:45AM Nov 24, 2021Observed: 5.13 ft at 7:00AM Nov 24, 2021Observed: 5.13 ft at 7:15AM Nov 24, 2021Observed: 5.13 ft at 7:30AM Nov 24, 2021Observed: 5.12 ft at 7:45AM Nov 24, 2021Observed: 5.12 ft at 9:00AM Nov 24, 2021Observed: 5.12 ft at 9:15AM Nov 24, 2021Observed: 5.12 ft at 9:30AM Nov 24, 2021Observed: 5.12 ft at 9:45AM Nov 24, 2021Observed: 5.12 ft at 10:00AM Nov 24, 2021Observed: 5.12 ft at 10:15AM Nov 24, 2021Observed: 5.12 ft at 10:30AM Nov 24, 2021Observed: 5.12 ft at 10:45AM Nov 24, 2021Observed: 5.12 ft at 12:01PM Nov 24, 2021Observed: 5.12 ft at 1:00PM Nov 24, 2021Observed: 5.12 ft at 1:15PM Nov 24, 2021Observed: 5.12 ft at 1:30PM Nov 24, 2021Observed: 5.12 ft at 1:45PM Nov 24, 2021Observed: 5.12 ft at 2:00PM Nov 24, 2021Observed: 5.12 ft at 2:15PM Nov 24, 2021Observed: 5.12 ft at 2:30PM Nov 24, 2021Observed: 5.12 ft at 2:45PM Nov 24, 2021Observed: 5.12 ft at 3:00PM Nov 24, 2021Observed: 5.13 ft at 3:15PM Nov 24, 2021Observed: 5.14 ft at 3:30PM Nov 24, 2021Observed: 5.14 ft at 3:45PM Nov 24, 2021Observed: 5.14 ft at 4:00PM Nov 24, 2021Observed: 5.14 ft at 4:15PM Nov 24, 2021Observed: 5.14 ft at 4:30PM Nov 24, 2021Observed: 5.14 ft at 4:45PM Nov 24, 2021Observed: 5.14 ft at 5:00PM Nov 24, 2021Observed: 5.14 ft at 5:15PM Nov 24, 2021Observed: 5.14 ft at 5:30PM Nov 24, 2021Observed: 5.14 ft at 5:45PM Nov 24, 2021Observed: 5.14 ft at 6:00PM Nov 24, 2021Observed: 5.14 ft at 6:15PM Nov 24, 2021Observed: 5.14 ft at 6:30PM Nov 24, 2021Observed: 5.14 ft at 6:45PM Nov 24, 2021Observed: 5.13 ft at 8:00PM Nov 24, 2021Observed: 5.13 ft at 8:15PM Nov 24, 2021Observed: 5.12 ft at 8:30PM Nov 24, 2021Observed: 5.12 ft at 8:45PM Nov 24, 2021Observed: 5.12 ft at 9:00PM Nov 24, 2021Observed: 5.12 ft at 9:15PM Nov 24, 2021Observed: 5.13 ft at 9:30PM Nov 24, 2021Observed: 5.13 ft at 9:45PM Nov 24, 2021Observed: 5.13 ft at 10:00PM Nov 24, 2021Observed: 5.13 ft at 10:15PM Nov 24, 2021Observed: 5.12 ft at 10:30PM Nov 24, 2021Observed: 5.12 ft at 10:45PM Nov 24, 2021Observed: 5.12 ft at 11:00PM Nov 24, 2021Observed: 5.12 ft at 11:15PM Nov 24, 2021Observed: 5.13 ft at 11:30PM Nov 24, 2021Observed: 5.12 ft at 11:45PM Nov 24, 2021Observed: 5.13 ft at 12:00AM Nov 25, 2021Observed: 5.12 ft at 12:15AM Nov 25, 2021Observed: 5.13 ft at 12:30AM Nov 25, 2021Observed: 5.14 ft at 12:45AM Nov 25, 2021Observed: 5.14 ft at 1:00AM Nov 25, 2021Observed: 5.14 ft at 1:15AM Nov 25, 2021Observed: 5.13 ft at 1:30AM Nov 25, 2021Observed: 5.12 ft at 1:45AM Nov 25, 2021Observed: 5.11 ft at 2:00AM Nov 25, 2021Observed: 5.11 ft at 2:15AM Nov 25, 2021Observed: 5.1 ft at 2:30AM Nov 25, 2021Observed: 5.1 ft at 2:45AM Nov 25, 2021Observed: 5.1 ft at 3:00AM Nov 25, 2021Observed: 5.1 ft at 3:15AM Nov 25, 2021Observed: 5.1 ft at 3:30AM Nov 25, 2021Observed: 5.1 ft at 3:45AM Nov 25, 2021Observed: 5.1 ft at 4:00AM Nov 25, 2021Observed: 5.1 ft at 4:06AM Nov 25, 2021Observed: 5.1 ft at 4:15AM Nov 25, 2021Observed: 5.1 ft at 4:30AM Nov 25, 2021Observed: 5.1 ft at 4:45AM Nov 25, 2021Observed: 5.1 ft at 5:00AM Nov 25, 2021Observed: 5.1 ft at 5:15AM Nov 25, 2021Observed: 5.1 ft at 5:30AM Nov 25, 2021Observed: 5.1 ft at 5:45AM Nov 25, 2021Observed: 5.1 ft at 6:00AM Nov 25, 2021Observed: 5.1 ft at 6:15AM Nov 25, 2021Observed: 5.1 ft at 6:30AM Nov 25, 2021Observed: 5.1 ft at 6:45AM Nov 25, 2021Observed: 5.1 ft at 7:00AM Nov 25, 2021Observed: 5.1 ft at 7:15AM Nov 25, 2021Observed: 5.1 ft at 7:30AM Nov 25, 2021Observed: 5.1 ft at 7:45AM Nov 25, 2021Observed: 5.1 ft at 8:00AM Nov 25, 2021Observed: 5.1 ft at 8:15AM Nov 25, 2021Observed: 5.1 ft at 8:30AM Nov 25, 2021Highest Observation: 5.17 ft at 8:45AM Nov 25, 2021Observed: 5.16 ft at 9:00AM Nov 25, 2021Observed: 5.13 ft at 9:15AM Nov 25, 2021Observed: 5.12 ft at 9:30AM Nov 25, 2021Observed: 5.12 ft at 9:45AM Nov 25, 2021Observed: 5.12 ft at 10:00AM Nov 25, 2021Observed: 5.12 ft at 10:15AM Nov 25, 2021Observed: 5.12 ft at 10:30AM Nov 25, 2021Observed: 5.12 ft at 10:45AM Nov 25, 2021Observed: 5.12 ft at 11:00AM Nov 25, 2021Observed: 5.12 ft at 11:15AM Nov 25, 2021Observed: 5.12 ft at 11:30AM Nov 25, 2021Observed: 5.12 ft at 11:45AM Nov 25, 2021Observed: 5.12 ft at 12:00PM Nov 25, 2021Observed: 5.12 ft at 12:06PM Nov 25, 2021Observed: 5.12 ft at 12:15PM Nov 25, 2021Observed: 5.12 ft at 12:30PM Nov 25, 2021Observed: 5.12 ft at 12:45PM Nov 25, 2021Observed: 5.11 ft at 1:00PM Nov 25, 2021Observed: 5.11 ft at 1:15PM Nov 25, 2021Observed: 5.11 ft at 1:30PM Nov 25, 2021Observed: 5.1 ft at 1:45PM Nov 25, 2021Observed: 5.1 ft at 3:00PM Nov 25, 2021Observed: 5.1 ft at 3:15PM Nov 25, 2021Observed: 5.09 ft at 3:30PM Nov 25, 2021Observed: 5.09 ft at 3:45PM Nov 25, 2021Observed: 5.1 ft at 4:00PM Nov 25, 2021Observed: 5.09 ft at 4:15PM Nov 25, 2021Observed: 5.09 ft at 4:30PM Nov 25, 2021Observed: 5.1 ft at 4:45PM Nov 25, 2021Observed: 5.1 ft at 5:00PM Nov 25, 2021Observed: 5.1 ft at 5:15PM Nov 25, 2021Observed: 5.1 ft at 5:30PM Nov 25, 2021Observed: 5.1 ft at 5:45PM Nov 25, 2021Observed: 5.1 ft at 6:00PM Nov 25, 2021Observed: 5.1 ft at 6:15PM Nov 25, 2021Observed: 5.1 ft at 6:30PM Nov 25, 2021Observed: 5.1 ft at 6:45PM Nov 25, 2021Observed: 5.1 ft at 7:00PM Nov 25, 2021Observed: 5.1 ft at 7:15PM Nov 25, 2021Observed: 5.1 ft at 7:30PM Nov 25, 2021Observed: 5.1 ft at 7:45PM Nov 25, 2021Observed: 5.1 ft at 8:00PM Nov 25, 2021Observed: 5.1 ft at 8:06PM Nov 25, 2021Observed: 5.1 ft at 8:15PM Nov 25, 2021Observed: 5.1 ft at 8:30PM Nov 25, 2021Observed: 5.1 ft at 8:45PM Nov 25, 2021Observed: 5.12 ft at 10:00PM Nov 25, 2021Observed: 5.12 ft at 10:15PM Nov 25, 2021Observed: 5.12 ft at 10:30PM Nov 25, 2021Observed: 5.12 ft at 10:45PM Nov 25, 2021Observed: 5.12 ft at 11:00PM Nov 25, 2021Observed: 5.12 ft at 11:15PM Nov 25, 2021Observed: 5.12 ft at 11:30PM Nov 25, 2021Observed: 5.12 ft at 11:45PM Nov 25, 2021Observed: 5.11 ft at 12:00AM Nov 26, 2021Observed: 5.11 ft at 12:15AM Nov 26, 2021Observed: 5.1 ft at 12:30AM Nov 26, 2021Observed: 5.1 ft at 12:45AM Nov 26, 2021Observed: 5.1 ft at 1:00AM Nov 26, 2021Observed: 5.1 ft at 1:15AM Nov 26, 2021Observed: 5.1 ft at 1:30AM Nov 26, 2021Observed: 5.1 ft at 1:45AM Nov 26, 2021Observed: 5.12 ft at 2:00AM Nov 26, 2021Observed: 5.16 ft at 2:15AM Nov 26, 2021Observed: 5.14 ft at 2:30AM Nov 26, 2021Observed: 5.13 ft at 2:45AM Nov 26, 2021Observed: 5.1 ft at 4:11AM Nov 26, 2021Observed: 5.1 ft at 5:00AM Nov 26, 2021Observed: 5.11 ft at 5:15AM Nov 26, 2021Observed: 5.11 ft at 5:30AM Nov 26, 2021Observed: 5.11 ft at 5:45AM Nov 26, 2021Observed: 5.1 ft at 6:00AM Nov 26, 2021Observed: 5.1 ft at 6:15AM Nov 26, 2021Observed: 5.1 ft at 6:30AM Nov 26, 2021Observed: 5.1 ft at 6:45AM Nov 26, 2021Observed: 5.1 ft at 7:00AM Nov 26, 2021Observed: 5.1 ft at 7:15AM Nov 26, 2021Observed: 5.1 ft at 7:30AM Nov 26, 2021Observed: 5.1 ft at 7:45AM Nov 26, 2021Observed: 5.1 ft at 8:00AM Nov 26, 2021Observed: 5.11 ft at 8:15AM Nov 26, 2021Observed: 5.11 ft at 8:30AM Nov 26, 2021Observed: 5.12 ft at 8:45AM Nov 26, 2021Observed: 5.12 ft at 9:00AM Nov 26, 2021Observed: 5.12 ft at 9:15AM Nov 26, 2021Observed: 5.12 ft at 9:30AM Nov 26, 2021Observed: 5.12 ft at 9:45AM Nov 26, 2021Observed: 5.12 ft at 10:00AM Nov 26, 2021Observed: 5.12 ft at 10:15AM Nov 26, 2021Observed: 5.12 ft at 10:30AM Nov 26, 2021Observed: 5.12 ft at 10:45AM Nov 26, 2021Observed: 5.12 ft at 11:00AM Nov 26, 2021Observed: 5.12 ft at 11:15AM Nov 26, 2021Observed: 5.12 ft at 11:30AM Nov 26, 2021Observed: 5.12 ft at 11:45AM Nov 26, 2021Observed: 5.12 ft at 12:00PM Nov 26, 2021Observed: 5.12 ft at 12:15PM Nov 26, 2021Observed: 5.12 ft at 12:30PM Nov 26, 2021Observed: 5.12 ft at 12:45PM Nov 26, 2021Observed: 5.11 ft at 1:00PM Nov 26, 2021Observed: 5.1 ft at 1:15PM Nov 26, 2021Observed: 5.1 ft at 1:30PM Nov 26, 2021Observed: 5.1 ft at 1:45PM Nov 26, 2021Observed: 5.09 ft at 3:00PM Nov 26, 2021Observed: 5.09 ft at 3:15PM Nov 26, 2021Observed: 5.1 ft at 3:30PM Nov 26, 2021Observed: 5.1 ft at 3:45PM Nov 26, 2021Observed: 5.09 ft at 4:00PM Nov 26, 2021Observed: 5.09 ft at 4:15PM Nov 26, 2021Observed: 5.09 ft at 4:30PM Nov 26, 2021Observed: 5.09 ft at 4:45PM Nov 26, 2021Observed: 5.09 ft at 5:00PM Nov 26, 2021Observed: 5.09 ft at 5:15PM Nov 26, 2021Observed: 5.1 ft at 5:30PM Nov 26, 2021Observed: 5.1 ft at 5:45PM Nov 26, 2021Observed: 5.09 ft at 6:00PM Nov 26, 2021Observed: 5.1 ft at 6:15PM Nov 26, 2021Observed: 5.1 ft at 6:30PM Nov 26, 2021Observed: 5.1 ft at 6:45PM Nov 26, 2021Observed: 5.1 ft at 7:00PM Nov 26, 2021Observed: 5.09 ft at 7:15PM Nov 26, 2021Observed: 5.1 ft at 7:30PM Nov 26, 2021Observed: 5.1 ft at 7:45PM Nov 26, 2021Observed: 5.1 ft at 8:00PM Nov 26, 2021Observed: 5.1 ft at 8:15PM Nov 26, 2021Observed: 5.1 ft at 8:30PM Nov 26, 2021Observed: 5.1 ft at 8:45PM Nov 26, 2021Observed: 5.11 ft at 9:00PM Nov 26, 2021Observed: 5.11 ft at 9:15PM Nov 26, 2021Observed: 5.12 ft at 9:30PM Nov 26, 2021Observed: 5.12 ft at 9:45PM Nov 26, 2021Observed: 5.12 ft at 10:00PM Nov 26, 2021Observed: 5.11 ft at 10:15PM Nov 26, 2021Observed: 5.11 ft at 10:30PM Nov 26, 2021Observed: 5.1 ft at 10:45PM Nov 26, 2021Observed: 5.1 ft at 11:00PM Nov 26, 2021Observed: 5.1 ft at 11:15PM Nov 26, 2021Observed: 5.1 ft at 11:30PM Nov 26, 2021Observed: 5.1 ft at 11:45PM Nov 26, 2021Observed: 5.1 ft at 12:00AM Nov 27, 2021Observed: 5.1 ft at 12:15AM Nov 27, 2021Observed: 5.1 ft at 12:30AM Nov 27, 2021Observed: 5.1 ft at 12:45AM Nov 27, 2021Observed: 5.1 ft at 1:00AM Nov 27, 2021Observed: 5.1 ft at 1:15AM Nov 27, 2021Observed: 5.1 ft at 1:30AM Nov 27, 2021Observed: 5.1 ft at 1:45AM Nov 27, 2021Observed: 5.1 ft at 2:00AM Nov 27, 2021Observed: 5.1 ft at 2:15AM Nov 27, 2021Observed: 5.1 ft at 2:30AM Nov 27, 2021Observed: 5.1 ft at 2:45AM Nov 27, 2021USGS--Water Resources of the United StatesGUAP4(plotting HGIRG) Graph Created (3:36AM Nov 27, 2021)ObservedLatest observed value: 5.1 ft at 2:45 AM AST 27-Nov-2021.
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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 Guajataca below Lago Guajataca. Only observed stages are available for this point.
Return to Area Map
Flood Categories (in feet)
Not Available

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
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: 18.398281° N, Longitude: 66.927400° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 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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