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San Juan Radar Outage Impacts Precipitation Estimates.. read more here
Hydrograph River at a Glance Download
Rio Patillas near Patillas Stage (ft)Flow (kcfs)Observed: 6.1 ft at 1:15PM Apr 15, 2024Observed: 6.1 ft at 1:30PM Apr 15, 2024Observed: 6.1 ft at 1:45PM Apr 15, 2024Observed: 6.09 ft at 2:00PM Apr 15, 2024Observed: 6.09 ft at 2:15PM Apr 15, 2024Observed: 6.09 ft at 2:30PM Apr 15, 2024Observed: 6.08 ft at 2:45PM Apr 15, 2024Observed: 6.08 ft at 3:00PM Apr 15, 2024Observed: 6.08 ft at 3:15PM Apr 15, 2024Observed: 6.08 ft at 3:30PM Apr 15, 2024Observed: 6.08 ft at 3:45PM Apr 15, 2024Observed: 6.09 ft at 4:00PM Apr 15, 2024Observed: 6.09 ft at 4:15PM Apr 15, 2024Observed: 6.09 ft at 4:30PM Apr 15, 2024Observed: 6.09 ft at 4:45PM Apr 15, 2024Observed: 6.08 ft at 5:00PM Apr 15, 2024Observed: 6.08 ft at 5:15PM Apr 15, 2024Observed: 6.07 ft at 5:30PM Apr 15, 2024Observed: 6.07 ft at 5:45PM Apr 15, 2024Observed: 6.06 ft at 6:00PM Apr 15, 2024Observed: 6.06 ft at 6:15PM Apr 15, 2024Observed: 6.06 ft at 6:30PM Apr 15, 2024Observed: 6.05 ft at 6:45PM Apr 15, 2024Observed: 6.05 ft at 7:00PM Apr 15, 2024Observed: 6.05 ft at 7:10PM Apr 15, 2024Observed: 6.05 ft at 7:15PM Apr 15, 2024Observed: 6.04 ft at 7:30PM Apr 15, 2024Observed: 6.04 ft at 7:45PM Apr 15, 2024Observed: 6.03 ft at 8:00PM Apr 15, 2024Observed: 6.02 ft at 8:15PM Apr 15, 2024Observed: 6.02 ft at 8:30PM Apr 15, 2024Observed: 6.02 ft at 8:45PM Apr 15, 2024Observed: 6.01 ft at 9:00PM Apr 15, 2024Observed: 6.01 ft at 9:15PM Apr 15, 2024Observed: 6.01 ft at 9:30PM Apr 15, 2024Observed: 6 ft at 9:45PM Apr 15, 2024Observed: 5.99 ft at 10:00PM Apr 15, 2024Observed: 5.99 ft at 10:15PM Apr 15, 2024Observed: 5.98 ft at 10:30PM Apr 15, 2024Observed: 5.98 ft at 10:45PM Apr 15, 2024Observed: 5.98 ft at 11:00PM Apr 15, 2024Observed: 5.97 ft at 11:15PM Apr 15, 2024Observed: 5.97 ft at 11:30PM Apr 15, 2024Observed: 5.97 ft at 11:45PM Apr 15, 2024Observed: 5.97 ft at 12:00AM Apr 16, 2024Observed: 6.1 ft at 12:15AM Apr 16, 2024Observed: 6.18 ft at 12:20AM Apr 16, 2024Observed: 6.25 ft at 12:30AM Apr 16, 2024Highest Observation: 6.28 ft at 12:45AM Apr 16, 2024Highest Observation: 6.28 ft at 1:00AM Apr 16, 2024Observed: 6.27 ft at 1:15AM Apr 16, 2024Observed: 6.26 ft at 1:30AM Apr 16, 2024Observed: 6.24 ft at 1:45AM Apr 16, 2024Observed: 6.23 ft at 2:00AM Apr 16, 2024Observed: 6.21 ft at 2:15AM Apr 16, 2024Observed: 6.19 ft at 2:30AM Apr 16, 2024Observed: 6.18 ft at 2:45AM Apr 16, 2024Observed: 6.17 ft at 3:00AM Apr 16, 2024Observed: 6.15 ft at 3:15AM Apr 16, 2024Observed: 6.14 ft at 3:30AM Apr 16, 2024Observed: 6.13 ft at 3:45AM Apr 16, 2024Observed: 6.12 ft at 4:00AM Apr 16, 2024Observed: 6.11 ft at 4:15AM Apr 16, 2024Observed: 6.09 ft at 4:30AM Apr 16, 2024Observed: 6.09 ft at 4:45AM Apr 16, 2024Observed: 6.07 ft at 5:00AM Apr 16, 2024Observed: 6.06 ft at 5:15AM Apr 16, 2024Observed: 6.06 ft at 5:30AM Apr 16, 2024Observed: 6.05 ft at 5:45AM Apr 16, 2024Observed: 6.04 ft at 6:00AM Apr 16, 2024Observed: 6.03 ft at 6:15AM Apr 16, 2024Observed: 6.03 ft at 6:30AM Apr 16, 2024Observed: 6.02 ft at 6:45AM Apr 16, 2024Observed: 6.02 ft at 7:00AM Apr 16, 2024Observed: 6.01 ft at 7:15AM Apr 16, 2024Observed: 6 ft at 7:30AM Apr 16, 2024Observed: 6 ft at 7:45AM Apr 16, 2024Observed: 6 ft at 8:00AM Apr 16, 2024Observed: 5.99 ft at 8:15AM Apr 16, 2024Observed: 5.99 ft at 8:25AM Apr 16, 2024Observed: 5.99 ft at 8:30AM Apr 16, 2024Observed: 5.98 ft at 8:45AM Apr 16, 2024Observed: 5.98 ft at 9:00AM Apr 16, 2024Observed: 5.98 ft at 9:15AM Apr 16, 2024Observed: 5.97 ft at 9:30AM Apr 16, 2024Observed: 5.97 ft at 9:45AM Apr 16, 2024Observed: 5.97 ft at 10:00AM Apr 16, 2024Observed: 5.96 ft at 10:15AM Apr 16, 2024Observed: 5.96 ft at 10:30AM Apr 16, 2024Observed: 5.96 ft at 10:45AM Apr 16, 2024Observed: 5.95 ft at 11:00AM Apr 16, 2024Observed: 5.95 ft at 11:15AM Apr 16, 2024Observed: 5.94 ft at 11:30AM Apr 16, 2024Observed: 5.94 ft at 11:45AM Apr 16, 2024Observed: 5.94 ft at 12:00PM Apr 16, 2024Observed: 5.93 ft at 12:15PM Apr 16, 2024Observed: 5.93 ft at 12:30PM Apr 16, 2024Observed: 5.93 ft at 12:45PM Apr 16, 2024Observed: 5.93 ft at 1:00PM Apr 16, 2024Observed: 5.92 ft at 1:15PM Apr 16, 2024Observed: 5.92 ft at 1:30PM Apr 16, 2024Observed: 5.92 ft at 1:45PM Apr 16, 2024Observed: 5.92 ft at 2:00PM Apr 16, 2024Observed: 5.92 ft at 2:15PM Apr 16, 2024Observed: 5.92 ft at 2:30PM Apr 16, 2024Observed: 5.92 ft at 2:45PM Apr 16, 2024Observed: 5.93 ft at 3:00PM Apr 16, 2024Observed: 5.93 ft at 3:15PM Apr 16, 2024Observed: 5.93 ft at 3:30PM Apr 16, 2024Observed: 5.94 ft at 3:45PM Apr 16, 2024Observed: 5.95 ft at 4:00PM Apr 16, 2024Observed: 5.95 ft at 4:15PM Apr 16, 2024Observed: 5.96 ft at 4:25PM Apr 16, 2024Observed: 5.96 ft at 4:30PM Apr 16, 2024Observed: 5.97 ft at 4:45PM Apr 16, 2024Observed: 5.97 ft at 5:00PM Apr 16, 2024Observed: 5.97 ft at 5:15PM Apr 16, 2024Observed: 5.96 ft at 5:30PM Apr 16, 2024Observed: 5.96 ft at 5:45PM Apr 16, 2024Observed: 5.96 ft at 6:00PM Apr 16, 2024Observed: 5.96 ft at 6:15PM Apr 16, 2024Observed: 5.95 ft at 6:30PM Apr 16, 2024Observed: 5.95 ft at 6:45PM Apr 16, 2024Observed: 5.95 ft at 7:00PM Apr 16, 2024Observed: 5.95 ft at 7:15PM Apr 16, 2024Observed: 5.94 ft at 7:30PM Apr 16, 2024Observed: 5.94 ft at 7:45PM Apr 16, 2024Observed: 5.93 ft at 8:00PM Apr 16, 2024Observed: 5.93 ft at 8:15PM Apr 16, 2024Observed: 5.93 ft at 8:30PM Apr 16, 2024Observed: 5.92 ft at 8:45PM Apr 16, 2024Observed: 5.92 ft at 9:00PM Apr 16, 2024Observed: 5.92 ft at 9:15PM Apr 16, 2024Observed: 5.92 ft at 9:30PM Apr 16, 2024Observed: 5.91 ft at 9:45PM Apr 16, 2024Observed: 5.91 ft at 10:00PM Apr 16, 2024Observed: 5.91 ft at 10:15PM Apr 16, 2024Observed: 5.9 ft at 10:30PM Apr 16, 2024Observed: 5.9 ft at 10:45PM Apr 16, 2024Observed: 5.89 ft at 11:00PM Apr 16, 2024Observed: 5.89 ft at 11:15PM Apr 16, 2024Observed: 5.89 ft at 11:30PM Apr 16, 2024Observed: 5.89 ft at 11:45PM Apr 16, 2024Observed: 5.88 ft at 12:00AM Apr 17, 2024Observed: 5.88 ft at 12:15AM Apr 17, 2024Observed: 5.88 ft at 12:25AM Apr 17, 2024Observed: 5.88 ft at 12:30AM Apr 17, 2024Observed: 5.88 ft at 12:45AM Apr 17, 2024Observed: 5.87 ft at 1:00AM Apr 17, 2024Observed: 5.87 ft at 1:15AM Apr 17, 2024Observed: 5.87 ft at 1:30AM Apr 17, 2024Observed: 5.87 ft at 1:45AM Apr 17, 2024Observed: 5.86 ft at 2:00AM Apr 17, 2024Observed: 5.86 ft at 2:15AM Apr 17, 2024Observed: 5.86 ft at 2:30AM Apr 17, 2024Observed: 5.86 ft at 2:45AM Apr 17, 2024Observed: 5.85 ft at 3:00AM Apr 17, 2024Observed: 5.85 ft at 3:15AM Apr 17, 2024Observed: 5.85 ft at 3:30AM Apr 17, 2024Observed: 5.85 ft at 3:45AM Apr 17, 2024Observed: 5.85 ft at 4:00AM Apr 17, 2024Observed: 5.85 ft at 4:15AM Apr 17, 2024Observed: 5.85 ft at 4:30AM Apr 17, 2024Observed: 5.84 ft at 4:45AM Apr 17, 2024Observed: 5.84 ft at 5:00AM Apr 17, 2024Observed: 5.84 ft at 5:15AM Apr 17, 2024Observed: 5.84 ft at 5:30AM Apr 17, 2024Observed: 5.84 ft at 5:45AM Apr 17, 2024Observed: 5.83 ft at 6:00AM Apr 17, 2024Observed: 5.83 ft at 6:15AM Apr 17, 2024Observed: 5.83 ft at 6:30AM Apr 17, 2024Observed: 5.83 ft at 6:45AM Apr 17, 2024Observed: 5.83 ft at 7:00AM Apr 17, 2024Observed: 5.83 ft at 7:15AM Apr 17, 2024Observed: 5.83 ft at 7:30AM Apr 17, 2024Observed: 5.83 ft at 7:45AM Apr 17, 2024Observed: 5.83 ft at 8:00AM Apr 17, 2024Observed: 5.82 ft at 8:15AM Apr 17, 2024Observed: 5.82 ft at 8:25AM Apr 17, 2024Observed: 5.82 ft at 8:30AM Apr 17, 2024Observed: 5.82 ft at 8:45AM Apr 17, 2024Observed: 5.82 ft at 9:00AM Apr 17, 2024Observed: 5.82 ft at 9:15AM Apr 17, 2024Observed: 5.81 ft at 9:30AM Apr 17, 2024Observed: 5.82 ft at 9:45AM Apr 17, 2024Observed: 5.82 ft at 10:00AM Apr 17, 2024Observed: 5.81 ft at 10:15AM Apr 17, 2024Observed: 5.81 ft at 10:30AM Apr 17, 2024Observed: 5.81 ft at 10:45AM Apr 17, 2024Observed: 5.81 ft at 11:00AM Apr 17, 2024Observed: 5.81 ft at 11:15AM Apr 17, 2024Observed: 5.81 ft at 11:30AM Apr 17, 2024Observed: 5.81 ft at 11:45AM Apr 17, 2024Observed: 5.81 ft at 12:00PM Apr 17, 2024Observed: 5.8 ft at 12:15PM Apr 17, 2024Observed: 5.8 ft at 12:30PM Apr 17, 2024Observed: 5.8 ft at 12:45PM Apr 17, 2024Observed: 5.8 ft at 1:00PM Apr 17, 2024Observed: 5.8 ft at 1:15PM Apr 17, 2024Observed: 5.81 ft at 1:30PM Apr 17, 2024Observed: 5.81 ft at 1:45PM Apr 17, 2024Observed: 5.8 ft at 2:00PM Apr 17, 2024Observed: 5.8 ft at 2:15PM Apr 17, 2024Observed: 5.8 ft at 2:30PM Apr 17, 2024Observed: 5.8 ft at 2:45PM Apr 17, 2024Observed: 5.8 ft at 3:00PM Apr 17, 2024Observed: 5.8 ft at 3:15PM Apr 17, 2024Observed: 5.79 ft at 3:30PM Apr 17, 2024Observed: 5.79 ft at 3:45PM Apr 17, 2024Observed: 5.79 ft at 4:00PM Apr 17, 2024Observed: 5.79 ft at 4:15PM Apr 17, 2024Observed: 5.79 ft at 4:30PM Apr 17, 2024Observed: 5.79 ft at 4:45PM Apr 17, 2024Observed: 5.79 ft at 5:00PM Apr 17, 2024Observed: 5.79 ft at 5:15PM Apr 17, 2024Observed: 5.78 ft at 5:30PM Apr 17, 2024Observed: 5.78 ft at 5:45PM Apr 17, 2024Observed: 5.78 ft at 6:00PM Apr 17, 2024Observed: 5.78 ft at 6:15PM Apr 17, 2024Observed: 5.78 ft at 6:30PM Apr 17, 2024Observed: 5.78 ft at 6:45PM Apr 17, 2024Observed: 5.78 ft at 7:00PM Apr 17, 2024Observed: 5.78 ft at 7:15PM Apr 17, 2024Observed: 5.78 ft at 7:30PM Apr 17, 2024Observed: 5.78 ft at 7:45PM Apr 17, 2024Observed: 5.78 ft at 8:00PM Apr 17, 2024Observed: 5.77 ft at 8:15PM Apr 17, 2024Observed: 5.77 ft at 8:30PM Apr 17, 2024Observed: 5.77 ft at 8:45PM Apr 17, 2024Observed: 5.77 ft at 9:00PM Apr 17, 2024Observed: 5.77 ft at 9:15PM Apr 17, 2024Observed: 5.77 ft at 9:30PM Apr 17, 2024Observed: 5.77 ft at 9:45PM Apr 17, 2024Observed: 5.77 ft at 10:00PM Apr 17, 2024Observed: 5.77 ft at 10:15PM Apr 17, 2024Observed: 5.77 ft at 10:30PM Apr 17, 2024Observed: 5.77 ft at 10:45PM Apr 17, 2024Observed: 5.77 ft at 11:00PM Apr 17, 2024Observed: 5.77 ft at 11:15PM Apr 17, 2024Observed: 5.77 ft at 11:30PM Apr 17, 2024Observed: 5.77 ft at 11:45PM Apr 17, 2024Observed: 5.77 ft at 12:00AM Apr 18, 2024Observed: 5.77 ft at 12:15AM Apr 18, 2024Observed: 5.77 ft at 12:30AM Apr 18, 2024Observed: 5.77 ft at 12:45AM Apr 18, 2024Observed: 5.76 ft at 1:00AM Apr 18, 2024Observed: 5.76 ft at 1:15AM Apr 18, 2024Observed: 5.76 ft at 1:30AM Apr 18, 2024Observed: 5.77 ft at 1:45AM Apr 18, 2024Observed: 5.76 ft at 2:00AM Apr 18, 2024Observed: 5.76 ft at 2:15AM Apr 18, 2024Observed: 5.76 ft at 2:30AM Apr 18, 2024Observed: 5.76 ft at 2:45AM Apr 18, 2024Observed: 5.76 ft at 3:00AM Apr 18, 2024Observed: 5.76 ft at 3:15AM Apr 18, 2024Observed: 5.76 ft at 3:30AM Apr 18, 2024Observed: 5.76 ft at 3:45AM Apr 18, 2024Observed: 5.76 ft at 4:00AM Apr 18, 2024Observed: 5.76 ft at 4:15AM Apr 18, 2024Observed: 5.76 ft at 4:30AM Apr 18, 2024Observed: 5.76 ft at 4:45AM Apr 18, 2024Observed: 5.76 ft at 5:00AM Apr 18, 2024Observed: 5.76 ft at 5:15AM Apr 18, 2024Observed: 5.76 ft at 5:30AM Apr 18, 2024Observed: 5.76 ft at 5:45AM Apr 18, 2024Observed: 5.76 ft at 6:00AM Apr 18, 2024Observed: 5.76 ft at 6:15AM Apr 18, 2024Observed: 5.76 ft at 6:30AM Apr 18, 2024Observed: 5.76 ft at 6:45AM Apr 18, 2024Observed: 5.76 ft at 7:00AM Apr 18, 2024Observed: 5.76 ft at 7:15AM Apr 18, 2024Observed: 5.75 ft at 7:30AM Apr 18, 2024Observed: 5.75 ft at 7:45AM Apr 18, 2024Observed: 5.75 ft at 8:00AM Apr 18, 2024Observed: 5.76 ft at 8:15AM Apr 18, 2024Observed: 5.75 ft at 8:30AM Apr 18, 2024Observed: 5.75 ft at 8:45AM Apr 18, 2024Observed: 5.76 ft at 9:00AM Apr 18, 2024Observed: 5.75 ft at 9:15AM Apr 18, 2024Observed: 5.75 ft at 9:30AM Apr 18, 2024Observed: 5.75 ft at 9:45AM Apr 18, 2024Observed: 5.75 ft at 10:00AM Apr 18, 2024Observed: 5.75 ft at 10:15AM Apr 18, 2024Observed: 5.75 ft at 10:30AM Apr 18, 2024Observed: 5.75 ft at 10:45AM Apr 18, 2024Observed: 5.75 ft at 11:00AM Apr 18, 2024Observed: 5.75 ft at 11:15AM Apr 18, 2024Observed: 5.75 ft at 11:30AM Apr 18, 2024Observed: 5.74 ft at 11:45AM Apr 18, 2024Observed: 5.74 ft at 12:00PM Apr 18, 2024PATP4(plotting HGIRG) Graph Created (1:07PM Apr 18, 2024)ObservedLatest observed value: 5.74 ft at 12:00 PM AST 18-Apr-2024. 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 Patillas near Patillas. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 15
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 24.36 ft on 09/21/1998
(2) 24.06 ft on 01/05/1992
(3) 22.55 ft on 09/10/1996
(4) 21.00 ft on 09/21/2008
(5) 17.49 ft on 07/11/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.39 ft on 09/14/2023 (P)
(2) 10.85 ft on 06/29/2023 (P)
(3) 11.62 ft on 11/05/2022 (P)
(4) 13.67 ft on 10/27/2022 (P)
(5) 10.07 ft on 10/26/2022 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 6.84 ft on 12/24/1966
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
10 Road 184 impassable at Barrio Jagual./ OMS 9/2023
About This Location Collapse

Latitude: 18.032187° N, Longitude: 66.032109° 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 29 235 245 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:
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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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