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San Juan Radar Outage Impacts Precipitation Estimates.. read more here
Hydrograph River at a Glance Download
Lago Dos Bocas at Utuado Pool (ft)Observed: 294.04 ft at 6:15AM Jul 16, 2019Observed: 294.02 ft at 6:30AM Jul 16, 2019Observed: 293.99 ft at 6:45AM Jul 16, 2019Observed: 293.97 ft at 7:00AM Jul 16, 2019Observed: 293.92 ft at 7:15AM Jul 16, 2019Observed: 293.93 ft at 7:30AM Jul 16, 2019Observed: 293.94 ft at 7:45AM Jul 16, 2019Observed: 293.9 ft at 8:00AM Jul 16, 2019Observed: 293.91 ft at 8:15AM Jul 16, 2019Observed: 293.88 ft at 8:30AM Jul 16, 2019Observed: 293.88 ft at 8:45AM Jul 16, 2019Observed: 293.86 ft at 9:00AM Jul 16, 2019Observed: 293.79 ft at 9:15AM Jul 16, 2019Observed: 293.78 ft at 9:30AM Jul 16, 2019Observed: 293.77 ft at 9:45AM Jul 16, 2019Observed: 293.7 ft at 10:00AM Jul 16, 2019Observed: 293.68 ft at 10:15AM Jul 16, 2019Observed: 293.72 ft at 10:30AM Jul 16, 2019Observed: 293.64 ft at 10:45AM Jul 16, 2019Observed: 293.6 ft at 11:00AM Jul 16, 2019Observed: 293.59 ft at 11:15AM Jul 16, 2019Observed: 293.63 ft at 11:30AM Jul 16, 2019Observed: 293.61 ft at 11:45AM Jul 16, 2019Observed: 293.57 ft at 12:00PM Jul 16, 2019Observed: 293.57 ft at 12:15PM Jul 16, 2019Observed: 293.46 ft at 12:30PM Jul 16, 2019Observed: 293.57 ft at 12:45PM Jul 16, 2019Observed: 293.51 ft at 1:00PM Jul 16, 2019Observed: 293.45 ft at 1:15PM Jul 16, 2019Observed: 293.5 ft at 1:30PM Jul 16, 2019Observed: 293.4 ft at 1:45PM Jul 16, 2019Observed: 293.43 ft at 2:00PM Jul 16, 2019Observed: 293.43 ft at 2:15PM Jul 16, 2019Observed: 293.35 ft at 2:30PM Jul 16, 2019Observed: 293.36 ft at 2:45PM Jul 16, 2019Observed: 293.36 ft at 3:00PM Jul 16, 2019Observed: 293.31 ft at 3:15PM Jul 16, 2019Observed: 293.25 ft at 3:30PM Jul 16, 2019Observed: 293.28 ft at 3:45PM Jul 16, 2019Observed: 293.26 ft at 4:00PM Jul 16, 2019Observed: 293.22 ft at 4:15PM Jul 16, 2019Observed: 293.24 ft at 4:30PM Jul 16, 2019Observed: 293.13 ft at 4:45PM Jul 16, 2019Observed: 293.22 ft at 5:00PM Jul 16, 2019Observed: 293.19 ft at 5:15PM Jul 16, 2019Observed: 293.2 ft at 5:30PM Jul 16, 2019Observed: 293.21 ft at 5:45PM Jul 16, 2019Observed: 293.14 ft at 6:00PM Jul 16, 2019Observed: 293.18 ft at 6:15PM Jul 16, 2019Observed: 293.23 ft at 6:30PM Jul 16, 2019Observed: 293.25 ft at 6:45PM Jul 16, 2019Observed: 293.24 ft at 7:00PM Jul 16, 2019Observed: 293.25 ft at 7:15PM Jul 16, 2019Observed: 293.28 ft at 7:30PM Jul 16, 2019Observed: 293.27 ft at 7:45PM Jul 16, 2019Observed: 293.27 ft at 8:00PM Jul 16, 2019Observed: 293.28 ft at 8:15PM Jul 16, 2019Observed: 293.28 ft at 8:30PM Jul 16, 2019Observed: 293.29 ft at 8:45PM Jul 16, 2019Observed: 293.29 ft at 9:00PM Jul 16, 2019Observed: 293.3 ft at 9:15PM Jul 16, 2019Observed: 293.31 ft at 9:30PM Jul 16, 2019Observed: 293.31 ft at 9:45PM Jul 16, 2019Observed: 293.31 ft at 10:00PM Jul 16, 2019Observed: 293.32 ft at 10:15PM Jul 16, 2019Observed: 293.32 ft at 10:30PM Jul 16, 2019Observed: 293.33 ft at 10:45PM Jul 16, 2019Observed: 293.33 ft at 11:00PM Jul 16, 2019Observed: 293.33 ft at 11:15PM Jul 16, 2019Observed: 293.33 ft at 11:30PM Jul 16, 2019Observed: 293.34 ft at 11:45PM Jul 16, 2019Observed: 293.35 ft at 12:00AM Jul 17, 2019Observed: 293.35 ft at 12:15AM Jul 17, 2019Observed: 293.36 ft at 12:30AM Jul 17, 2019Observed: 293.36 ft at 12:45AM Jul 17, 2019Observed: 293.36 ft at 1:00AM Jul 17, 2019Observed: 293.37 ft at 1:15AM Jul 17, 2019Observed: 293.37 ft at 1:30AM Jul 17, 2019Observed: 293.37 ft at 1:45AM Jul 17, 2019Observed: 293.38 ft at 2:00AM Jul 17, 2019Observed: 293.38 ft at 2:15AM Jul 17, 2019Observed: 293.39 ft at 2:30AM Jul 17, 2019Observed: 293.39 ft at 2:45AM Jul 17, 2019Observed: 293.4 ft at 3:00AM Jul 17, 2019Observed: 293.39 ft at 3:15AM Jul 17, 2019Observed: 293.32 ft at 3:30AM Jul 17, 2019Observed: 293.33 ft at 3:45AM Jul 17, 2019Observed: 293.38 ft at 4:00AM Jul 17, 2019Observed: 293.39 ft at 4:15AM Jul 17, 2019Observed: 293.43 ft at 4:30AM Jul 17, 2019Observed: 293.43 ft at 4:45AM Jul 17, 2019Observed: 293.43 ft at 5:00AM Jul 17, 2019Observed: 293.44 ft at 5:15AM Jul 17, 2019Observed: 293.44 ft at 5:30AM Jul 17, 2019Observed: 293.43 ft at 5:45AM Jul 17, 2019Observed: 293.45 ft at 6:00AM Jul 17, 2019Observed: 293.45 ft at 6:15AM Jul 17, 2019Observed: 293.46 ft at 6:30AM Jul 17, 2019Observed: 293.47 ft at 6:45AM Jul 17, 2019Observed: 293.45 ft at 7:00AM Jul 17, 2019Observed: 293.47 ft at 7:15AM Jul 17, 2019Observed: 293.49 ft at 7:30AM Jul 17, 2019Observed: 293.46 ft at 7:45AM Jul 17, 2019Observed: 293.5 ft at 8:00AM Jul 17, 2019Observed: 293.51 ft at 8:15AM Jul 17, 2019Observed: 293.5 ft at 8:30AM Jul 17, 2019Observed: 293.51 ft at 8:45AM Jul 17, 2019Observed: 293.51 ft at 9:00AM Jul 17, 2019Observed: 293.52 ft at 9:15AM Jul 17, 2019Observed: 293.48 ft at 9:30AM Jul 17, 2019Observed: 293.54 ft at 9:45AM Jul 17, 2019Observed: 293.54 ft at 10:00AM Jul 17, 2019Observed: 293.5 ft at 10:15AM Jul 17, 2019Observed: 293.49 ft at 10:30AM Jul 17, 2019Observed: 293.52 ft at 10:45AM Jul 17, 2019Observed: 293.5 ft at 11:00AM Jul 17, 2019Observed: 293.45 ft at 11:15AM Jul 17, 2019Observed: 293.52 ft at 11:30AM Jul 17, 2019Observed: 293.54 ft at 11:45AM Jul 17, 2019Observed: 293.57 ft at 12:00PM Jul 17, 2019Observed: 293.59 ft at 12:15PM Jul 17, 2019Observed: 293.58 ft at 12:30PM Jul 17, 2019Observed: 293.56 ft at 12:45PM Jul 17, 2019Observed: 293.62 ft at 1:00PM Jul 17, 2019Observed: 293.61 ft at 1:15PM Jul 17, 2019Observed: 293.62 ft at 1:30PM Jul 17, 2019Observed: 293.63 ft at 1:45PM Jul 17, 2019Observed: 293.61 ft at 2:00PM Jul 17, 2019Observed: 293.54 ft at 2:15PM Jul 17, 2019Observed: 293.53 ft at 2:30PM Jul 17, 2019Observed: 293.54 ft at 2:45PM Jul 17, 2019Observed: 293.55 ft at 3:00PM Jul 17, 2019Observed: 293.56 ft at 3:15PM Jul 17, 2019Observed: 293.55 ft at 3:30PM Jul 17, 2019Observed: 293.56 ft at 3:45PM Jul 17, 2019Observed: 293.58 ft at 4:00PM Jul 17, 2019Observed: 293.56 ft at 4:15PM Jul 17, 2019Observed: 293.6 ft at 4:30PM Jul 17, 2019Observed: 293.65 ft at 4:45PM Jul 17, 2019Observed: 293.62 ft at 5:00PM Jul 17, 2019Observed: 293.64 ft at 5:15PM Jul 17, 2019Observed: 293.67 ft at 5:30PM Jul 17, 2019Observed: 293.66 ft at 5:45PM Jul 17, 2019Observed: 293.61 ft at 6:00PM Jul 17, 2019Observed: 293.59 ft at 6:15PM Jul 17, 2019Observed: 293.57 ft at 6:30PM Jul 17, 2019Observed: 293.57 ft at 6:45PM Jul 17, 2019Observed: 293.57 ft at 7:00PM Jul 17, 2019Observed: 293.59 ft at 7:15PM Jul 17, 2019Observed: 293.58 ft at 7:30PM Jul 17, 2019Observed: 293.54 ft at 7:45PM Jul 17, 2019Observed: 293.51 ft at 8:00PM Jul 17, 2019Observed: 293.52 ft at 8:15PM Jul 17, 2019Observed: 293.53 ft at 8:30PM Jul 17, 2019Observed: 293.59 ft at 8:45PM Jul 17, 2019Observed: 293.66 ft at 9:00PM Jul 17, 2019Observed: 293.73 ft at 9:15PM Jul 17, 2019Observed: 293.78 ft at 9:30PM Jul 17, 2019Observed: 293.88 ft at 9:45PM Jul 17, 2019Observed: 293.97 ft at 10:00PM Jul 17, 2019Observed: 294.03 ft at 10:15PM Jul 17, 2019Observed: 294.11 ft at 10:30PM Jul 17, 2019Observed: 294.19 ft at 10:45PM Jul 17, 2019Observed: 294.26 ft at 11:00PM Jul 17, 2019Observed: 294.32 ft at 11:15PM Jul 17, 2019Observed: 294.37 ft at 11:30PM Jul 17, 2019Observed: 294.4 ft at 11:45PM Jul 17, 2019Observed: 294.47 ft at 12:00AM Jul 18, 2019Observed: 294.51 ft at 12:15AM Jul 18, 2019Observed: 294.57 ft at 12:30AM Jul 18, 2019Observed: 294.61 ft at 12:45AM Jul 18, 2019Observed: 294.65 ft at 1:00AM Jul 18, 2019Observed: 294.66 ft at 1:15AM Jul 18, 2019Observed: 294.72 ft at 1:30AM Jul 18, 2019Observed: 294.72 ft at 1:45AM Jul 18, 2019Observed: 294.75 ft at 2:00AM Jul 18, 2019Observed: 294.81 ft at 2:15AM Jul 18, 2019Observed: 294.8 ft at 2:30AM Jul 18, 2019Observed: 294.84 ft at 2:45AM Jul 18, 2019Observed: 294.86 ft at 3:00AM Jul 18, 2019Observed: 294.92 ft at 3:15AM Jul 18, 2019Observed: 294.94 ft at 3:30AM Jul 18, 2019Observed: 294.95 ft at 3:45AM Jul 18, 2019Observed: 294.96 ft at 4:00AM Jul 18, 2019Observed: 295 ft at 4:15AM Jul 18, 2019Observed: 295.04 ft at 4:30AM Jul 18, 2019Observed: 295.05 ft at 4:45AM Jul 18, 2019Observed: 295.08 ft at 5:00AM Jul 18, 2019Observed: 295.08 ft at 5:15AM Jul 18, 2019Observed: 295.11 ft at 5:30AM Jul 18, 2019Observed: 295.08 ft at 5:45AM Jul 18, 2019Observed: 295.12 ft at 6:00AM Jul 18, 2019Observed: 295.14 ft at 6:15AM Jul 18, 2019Observed: 295.16 ft at 6:30AM Jul 18, 2019Observed: 295.17 ft at 6:45AM Jul 18, 2019Highest Observation: 295.21 ft at 7:00AM Jul 18, 2019Observed: 295.18 ft at 7:15AM Jul 18, 2019Observed: 295.18 ft at 7:30AM Jul 18, 2019Observed: 295.16 ft at 7:45AM Jul 18, 2019Observed: 295.13 ft at 8:00AM Jul 18, 2019Observed: 295.14 ft at 8:15AM Jul 18, 2019Observed: 295.15 ft at 8:30AM Jul 18, 2019Observed: 295.14 ft at 8:45AM Jul 18, 2019Observed: 295.14 ft at 9:00AM Jul 18, 2019Observed: 295.12 ft at 9:15AM Jul 18, 2019Observed: 295.11 ft at 9:30AM Jul 18, 2019Observed: 295.1 ft at 9:45AM Jul 18, 2019Observed: 295.08 ft at 10:00AM Jul 18, 2019Observed: 295.01 ft at 10:15AM Jul 18, 2019Observed: 294.99 ft at 10:30AM Jul 18, 2019Observed: 294.96 ft at 10:45AM Jul 18, 2019Observed: 294.94 ft at 11:00AM Jul 18, 2019Observed: 294.92 ft at 11:15AM Jul 18, 2019Observed: 294.92 ft at 11:30AM Jul 18, 2019Observed: 294.9 ft at 11:45AM Jul 18, 2019Observed: 294.93 ft at 12:00PM Jul 18, 2019Observed: 294.89 ft at 12:15PM Jul 18, 2019Observed: 294.83 ft at 12:30PM Jul 18, 2019Observed: 294.84 ft at 12:45PM Jul 18, 2019Observed: 294.85 ft at 1:00PM Jul 18, 2019Observed: 294.86 ft at 1:15PM Jul 18, 2019Observed: 294.86 ft at 1:30PM Jul 18, 2019Observed: 294.86 ft at 1:45PM Jul 18, 2019Observed: 294.83 ft at 2:00PM Jul 18, 2019Observed: 294.77 ft at 2:15PM Jul 18, 2019Observed: 294.76 ft at 2:30PM Jul 18, 2019Observed: 294.78 ft at 2:45PM Jul 18, 2019Observed: 294.75 ft at 3:00PM Jul 18, 2019Observed: 294.76 ft at 3:15PM Jul 18, 2019Observed: 294.74 ft at 3:30PM Jul 18, 2019Observed: 294.74 ft at 3:45PM Jul 18, 2019Observed: 294.72 ft at 4:00PM Jul 18, 2019Observed: 294.71 ft at 4:15PM Jul 18, 2019Observed: 294.7 ft at 4:30PM Jul 18, 2019Observed: 294.65 ft at 4:45PM Jul 18, 2019Observed: 294.67 ft at 5:00PM Jul 18, 2019Observed: 294.57 ft at 5:15PM Jul 18, 2019Observed: 294.54 ft at 5:30PM Jul 18, 2019Observed: 294.55 ft at 5:45PM Jul 18, 2019Observed: 294.6 ft at 6:00PM Jul 18, 2019Observed: 294.6 ft at 6:15PM Jul 18, 2019Observed: 294.6 ft at 6:30PM Jul 18, 2019Observed: 294.62 ft at 6:45PM Jul 18, 2019Observed: 294.61 ft at 7:00PM Jul 18, 2019Observed: 294.63 ft at 7:15PM Jul 18, 2019Observed: 294.68 ft at 7:30PM Jul 18, 2019Observed: 294.67 ft at 7:45PM Jul 18, 2019Observed: 294.68 ft at 8:00PM Jul 18, 2019Observed: 294.69 ft at 8:15PM Jul 18, 2019Observed: 294.7 ft at 8:30PM Jul 18, 2019Observed: 294.7 ft at 8:45PM Jul 18, 2019Observed: 294.69 ft at 9:00PM Jul 18, 2019Observed: 294.68 ft at 9:15PM Jul 18, 2019Observed: 294.68 ft at 9:30PM Jul 18, 2019Observed: 294.7 ft at 9:45PM Jul 18, 2019Observed: 294.71 ft at 10:00PM Jul 18, 2019Observed: 294.73 ft at 10:15PM Jul 18, 2019Observed: 294.74 ft at 10:30PM Jul 18, 2019Observed: 294.75 ft at 10:45PM Jul 18, 2019Observed: 294.77 ft at 11:00PM Jul 18, 2019Observed: 294.78 ft at 11:15PM Jul 18, 2019Observed: 294.79 ft at 11:30PM Jul 18, 2019Observed: 294.8 ft at 11:45PM Jul 18, 2019Observed: 294.81 ft at 12:00AM Jul 19, 2019Observed: 294.82 ft at 12:15AM Jul 19, 2019Observed: 294.84 ft at 12:30AM Jul 19, 2019Observed: 294.84 ft at 12:45AM Jul 19, 2019Observed: 294.84 ft at 1:00AM Jul 19, 2019Observed: 294.85 ft at 1:15AM Jul 19, 2019Observed: 294.86 ft at 1:30AM Jul 19, 2019Observed: 294.89 ft at 1:45AM Jul 19, 2019Observed: 294.89 ft at 2:00AM Jul 19, 2019Observed: 294.9 ft at 2:15AM Jul 19, 2019Observed: 294.91 ft at 2:30AM Jul 19, 2019Observed: 294.89 ft at 2:45AM Jul 19, 2019Observed: 294.91 ft at 3:00AM Jul 19, 2019Observed: 294.86 ft at 3:15AM Jul 19, 2019Observed: 294.91 ft at 3:30AM Jul 19, 2019Observed: 294.91 ft at 3:45AM Jul 19, 2019Observed: 294.94 ft at 4:00AM Jul 19, 2019Observed: 294.91 ft at 4:15AM Jul 19, 2019Observed: 294.93 ft at 4:30AM Jul 19, 2019Observed: 294.94 ft at 4:45AM Jul 19, 2019USGS--Water Resources of the United StatesARGP4(plotting HPIRG) Graph Created (6:06AM Jul 19, 2019)ObservedLatest observed value: 294.94 ft at 4:45 AM AST 19-Jul-2019.
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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 Lago Dos Bocas at Utuado. Only observed stages are available for this point.
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Upstream Gauge - below Utuado Upstream Gauge Downstream Gauge Downstream Gauge - above Arecibo
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 295
Low Stage (in feet): 0

Historic Crests

(P): Preliminary values subject to further review.

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:14
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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.
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298.81 Arecibo:Calle Magallanes, Sector La PuntillaParcelas Rodriquez OlmoBarrio Abra San FranciscoBarrio Rio Arriba all flooded
298.5 Flooding in Arecibo ... Calle Magallanes, Sector La Puntilla, Parcelas Rodriguez Olmo, Barrio Abra San Francisco and Barrio Rio Arriba.
About This Location Collapse

Latitude: 18.335833° N, Longitude: 66.667778° 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 326.92 ft 623.92 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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