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San Juan Radar Outage Impacts Precipitation Estimates.. read more here
Hydrograph River at a Glance Download
Rio Loco at Las Latas Stage (ft)Observed: 2.42 ft at 6:15PM Nov 27, 2021Observed: 2.4 ft at 6:30PM Nov 27, 2021Observed: 2.41 ft at 6:45PM Nov 27, 2021Observed: 2.41 ft at 7:00PM Nov 27, 2021Observed: 2.42 ft at 7:15PM Nov 27, 2021Observed: 2.4 ft at 7:30PM Nov 27, 2021Observed: 2.39 ft at 7:45PM Nov 27, 2021Observed: 2.41 ft at 8:00PM Nov 27, 2021Observed: 2.37 ft at 8:15PM Nov 27, 2021Observed: 2.41 ft at 8:30PM Nov 27, 2021Observed: 2.41 ft at 8:45PM Nov 27, 2021Observed: 2.4 ft at 9:00PM Nov 27, 2021Observed: 2.41 ft at 9:15PM Nov 27, 2021Observed: 2.41 ft at 9:30PM Nov 27, 2021Observed: 2.41 ft at 9:45PM Nov 27, 2021Observed: 2.41 ft at 10:00PM Nov 27, 2021Observed: 2.44 ft at 10:15PM Nov 27, 2021Observed: 2.45 ft at 10:30PM Nov 27, 2021Observed: 2.44 ft at 10:45PM Nov 27, 2021Observed: 2.44 ft at 11:00PM Nov 27, 2021Observed: 3.01 ft at 11:11PM Nov 27, 2021Observed: 3.58 ft at 11:15PM Nov 27, 2021Observed: 3.73 ft at 11:21PM Nov 27, 2021Observed: 3.89 ft at 11:30PM Nov 27, 2021Observed: 4.06 ft at 11:45PM Nov 27, 2021Observed: 4.18 ft at 12:00AM Nov 28, 2021Observed: 4.25 ft at 12:15AM Nov 28, 2021Observed: 4.38 ft at 12:30AM Nov 28, 2021Observed: 4.46 ft at 12:45AM Nov 28, 2021Observed: 4.46 ft at 1:00AM Nov 28, 2021Observed: 3.82 ft at 2:15AM Nov 28, 2021Observed: 3.7 ft at 2:30AM Nov 28, 2021Observed: 3.59 ft at 2:45AM Nov 28, 2021Observed: 3.51 ft at 3:00AM Nov 28, 2021Observed: 3.44 ft at 3:15AM Nov 28, 2021Observed: 3.37 ft at 3:30AM Nov 28, 2021Observed: 3.31 ft at 3:45AM Nov 28, 2021Observed: 3.26 ft at 4:00AM Nov 28, 2021Observed: 3.2 ft at 4:15AM Nov 28, 2021Observed: 3.16 ft at 4:30AM Nov 28, 2021Observed: 3.12 ft at 4:45AM Nov 28, 2021Observed: 3.07 ft at 5:00AM Nov 28, 2021Observed: 3.03 ft at 5:15AM Nov 28, 2021Observed: 2.97 ft at 5:30AM Nov 28, 2021Observed: 2.97 ft at 5:45AM Nov 28, 2021Observed: 2.94 ft at 6:00AM Nov 28, 2021Observed: 2.9 ft at 6:15AM Nov 28, 2021Observed: 2.85 ft at 6:30AM Nov 28, 2021Observed: 2.85 ft at 6:45AM Nov 28, 2021Observed: 2.83 ft at 7:00AM Nov 28, 2021Observed: 2.8 ft at 7:15AM Nov 28, 2021Observed: 2.8 ft at 7:21AM Nov 28, 2021Observed: 2.77 ft at 7:30AM Nov 28, 2021Observed: 2.76 ft at 7:45AM Nov 28, 2021Observed: 2.75 ft at 8:00AM Nov 28, 2021Observed: 2.73 ft at 8:15AM Nov 28, 2021Observed: 2.71 ft at 8:30AM Nov 28, 2021Observed: 2.68 ft at 8:45AM Nov 28, 2021Observed: 2.67 ft at 9:00AM Nov 28, 2021Observed: 2.67 ft at 9:15AM Nov 28, 2021Observed: 2.64 ft at 9:30AM Nov 28, 2021Observed: 2.64 ft at 9:45AM Nov 28, 2021Observed: 2.63 ft at 10:00AM Nov 28, 2021Observed: 2.61 ft at 10:15AM Nov 28, 2021Observed: 2.61 ft at 10:30AM Nov 28, 2021Observed: 2.6 ft at 10:45AM Nov 28, 2021Observed: 2.59 ft at 11:00AM Nov 28, 2021Observed: 2.58 ft at 11:15AM Nov 28, 2021Observed: 2.57 ft at 11:30AM Nov 28, 2021Observed: 2.57 ft at 11:45AM Nov 28, 2021Observed: 2.52 ft at 12:00PM Nov 28, 2021Observed: 2.55 ft at 12:15PM Nov 28, 2021Observed: 2.54 ft at 12:30PM Nov 28, 2021Observed: 2.54 ft at 12:45PM Nov 28, 2021Observed: 2.53 ft at 1:00PM Nov 28, 2021Observed: 2.53 ft at 1:15PM Nov 28, 2021Observed: 2.52 ft at 1:30PM Nov 28, 2021Observed: 2.51 ft at 1:45PM Nov 28, 2021Observed: 2.5 ft at 2:00PM Nov 28, 2021Observed: 2.51 ft at 2:15PM Nov 28, 2021Observed: 2.5 ft at 2:30PM Nov 28, 2021Observed: 2.47 ft at 2:45PM Nov 28, 2021Observed: 2.5 ft at 3:00PM Nov 28, 2021Observed: 2.49 ft at 3:15PM Nov 28, 2021Observed: 2.49 ft at 3:21PM Nov 28, 2021Observed: 2.49 ft at 3:30PM Nov 28, 2021Observed: 2.48 ft at 3:45PM Nov 28, 2021Observed: 2.47 ft at 4:00PM Nov 28, 2021Observed: 2.47 ft at 5:15PM Nov 28, 2021Observed: 2.45 ft at 5:30PM Nov 28, 2021Observed: 2.46 ft at 5:45PM Nov 28, 2021Observed: 2.46 ft at 6:00PM Nov 28, 2021Observed: 2.41 ft at 7:15PM Nov 28, 2021Observed: 2.53 ft at 7:30PM Nov 28, 2021Observed: 2.77 ft at 7:45PM Nov 28, 2021Observed: 2.75 ft at 8:00PM Nov 28, 2021Observed: 2.72 ft at 8:15PM Nov 28, 2021Observed: 2.7 ft at 8:30PM Nov 28, 2021Observed: 3.11 ft at 8:45PM Nov 28, 2021Observed: 3.74 ft at 9:00PM Nov 28, 2021Observed: 3.93 ft at 9:15PM Nov 28, 2021Observed: 4.08 ft at 9:30PM Nov 28, 2021Observed: 4.19 ft at 9:45PM Nov 28, 2021Observed: 4.28 ft at 10:00PM Nov 28, 2021Observed: 4.37 ft at 10:15PM Nov 28, 2021Observed: 4.44 ft at 10:30PM Nov 28, 2021Observed: 4.5 ft at 10:45PM Nov 28, 2021Observed: 4.54 ft at 11:00PM Nov 28, 2021Observed: 4.66 ft at 12:15AM Nov 29, 2021Observed: 4.73 ft at 12:30AM Nov 29, 2021Observed: 4.74 ft at 12:45AM Nov 29, 2021Observed: 4.73 ft at 1:00AM Nov 29, 2021Observed: 4.77 ft at 1:15AM Nov 29, 2021Observed: 4.79 ft at 1:30AM Nov 29, 2021Observed: 4.8 ft at 1:45AM Nov 29, 2021Highest Observation: 4.81 ft at 2:00AM Nov 29, 2021Observed: 4.78 ft at 2:15AM Nov 29, 2021Observed: 4.79 ft at 2:30AM Nov 29, 2021Observed: 4.68 ft at 2:45AM Nov 29, 2021Observed: 4.47 ft at 3:00AM Nov 29, 2021Observed: 4.26 ft at 3:15AM Nov 29, 2021Observed: 4.08 ft at 3:30AM Nov 29, 2021Observed: 3.91 ft at 3:45AM Nov 29, 2021Observed: 3.79 ft at 4:00AM Nov 29, 2021Observed: 3.68 ft at 4:15AM Nov 29, 2021Observed: 3.6 ft at 4:30AM Nov 29, 2021Observed: 3.53 ft at 4:45AM Nov 29, 2021Observed: 3.46 ft at 5:00AM Nov 29, 2021Observed: 3.4 ft at 5:15AM Nov 29, 2021Observed: 3.34 ft at 5:30AM Nov 29, 2021Observed: 3.3 ft at 5:45AM Nov 29, 2021Observed: 3.24 ft at 6:00AM Nov 29, 2021Observed: 3.17 ft at 6:15AM Nov 29, 2021Observed: 3.17 ft at 6:30AM Nov 29, 2021Observed: 3.13 ft at 6:45AM Nov 29, 2021Observed: 3.09 ft at 7:00AM Nov 29, 2021Observed: 3.05 ft at 7:15AM Nov 29, 2021Observed: 3.04 ft at 7:26AM Nov 29, 2021Observed: 3.03 ft at 7:30AM Nov 29, 2021Observed: 3 ft at 7:45AM Nov 29, 2021Observed: 2.97 ft at 8:00AM Nov 29, 2021Observed: 2.95 ft at 8:15AM Nov 29, 2021Observed: 2.92 ft at 8:30AM Nov 29, 2021Observed: 2.9 ft at 8:45AM Nov 29, 2021Observed: 2.88 ft at 9:00AM Nov 29, 2021Observed: 2.86 ft at 9:15AM Nov 29, 2021Observed: 2.84 ft at 9:30AM Nov 29, 2021Observed: 2.82 ft at 9:45AM Nov 29, 2021Observed: 2.76 ft at 10:00AM Nov 29, 2021Observed: 2.78 ft at 10:15AM Nov 29, 2021Observed: 2.77 ft at 10:30AM Nov 29, 2021Observed: 2.76 ft at 10:45AM Nov 29, 2021Observed: 2.72 ft at 11:00AM Nov 29, 2021Observed: 2.69 ft at 12:15PM Nov 29, 2021Observed: 2.69 ft at 12:30PM Nov 29, 2021Observed: 2.68 ft at 12:45PM Nov 29, 2021Observed: 2.67 ft at 1:00PM Nov 29, 2021Observed: 2.66 ft at 1:15PM Nov 29, 2021Observed: 2.65 ft at 1:30PM Nov 29, 2021Observed: 2.63 ft at 1:45PM Nov 29, 2021Observed: 2.65 ft at 2:00PM Nov 29, 2021Observed: 2.64 ft at 2:15PM Nov 29, 2021Observed: 2.6 ft at 2:30PM Nov 29, 2021Observed: 2.62 ft at 2:45PM Nov 29, 2021Observed: 2.62 ft at 3:00PM Nov 29, 2021Observed: 2.61 ft at 3:15PM Nov 29, 2021Observed: 2.61 ft at 3:25PM Nov 29, 2021Observed: 2.61 ft at 3:30PM Nov 29, 2021Observed: 2.61 ft at 3:45PM Nov 29, 2021Observed: 2.61 ft at 4:00PM Nov 29, 2021Observed: 2.59 ft at 4:15PM Nov 29, 2021Observed: 2.59 ft at 4:30PM Nov 29, 2021Observed: 2.56 ft at 4:45PM Nov 29, 2021Observed: 2.57 ft at 5:00PM Nov 29, 2021Observed: 2.56 ft at 5:15PM Nov 29, 2021Observed: 2.56 ft at 5:30PM Nov 29, 2021Observed: 2.54 ft at 5:45PM Nov 29, 2021Observed: 2.55 ft at 6:00PM Nov 29, 2021Observed: 2.62 ft at 6:15PM Nov 29, 2021Observed: 2.66 ft at 6:30PM Nov 29, 2021Observed: 2.63 ft at 6:45PM Nov 29, 2021Observed: 2.63 ft at 7:00PM Nov 29, 2021Observed: 2.59 ft at 7:15PM Nov 29, 2021Observed: 2.56 ft at 7:30PM Nov 29, 2021Observed: 3.31 ft at 7:45PM Nov 29, 2021Observed: 3.31 ft at 7:46PM Nov 29, 2021Observed: 3.42 ft at 7:51PM Nov 29, 2021Observed: 3.45 ft at 8:00PM Nov 29, 2021Observed: 3.34 ft at 8:15PM Nov 29, 2021Observed: 3.19 ft at 8:30PM Nov 29, 2021Observed: 3.15 ft at 8:45PM Nov 29, 2021Observed: 3.09 ft at 9:00PM Nov 29, 2021Observed: 3.17 ft at 9:15PM Nov 29, 2021Observed: 3.74 ft at 9:30PM Nov 29, 2021Observed: 3.96 ft at 9:45PM Nov 29, 2021Observed: 4.11 ft at 10:00PM Nov 29, 2021Observed: 4.2 ft at 10:15PM Nov 29, 2021Observed: 4.34 ft at 10:30PM Nov 29, 2021Observed: 4.42 ft at 10:45PM Nov 29, 2021Observed: 4.47 ft at 11:00PM Nov 29, 2021Observed: 4.53 ft at 11:15PM Nov 29, 2021Observed: 4.58 ft at 11:30PM Nov 29, 2021Observed: 4.62 ft at 11:45PM Nov 29, 2021Observed: 4.68 ft at 12:00AM Nov 30, 2021Observed: 4.68 ft at 12:15AM Nov 30, 2021Observed: 4.6 ft at 12:30AM Nov 30, 2021Observed: 4.42 ft at 12:45AM Nov 30, 2021Observed: 4.24 ft at 1:00AM Nov 30, 2021Observed: 4.08 ft at 1:15AM Nov 30, 2021Observed: 3.94 ft at 1:30AM Nov 30, 2021Observed: 3.85 ft at 1:45AM Nov 30, 2021Observed: 3.78 ft at 2:00AM Nov 30, 2021Observed: 3.69 ft at 2:15AM Nov 30, 2021Observed: 3.66 ft at 2:30AM Nov 30, 2021Observed: 3.62 ft at 2:45AM Nov 30, 2021Observed: 3.57 ft at 3:00AM Nov 30, 2021Observed: 3.54 ft at 3:15AM Nov 30, 2021Observed: 3.5 ft at 3:30AM Nov 30, 2021Observed: 3.46 ft at 3:45AM Nov 30, 2021Observed: 3.45 ft at 3:50AM Nov 30, 2021Observed: 3.42 ft at 4:00AM Nov 30, 2021Observed: 3.39 ft at 4:15AM Nov 30, 2021Observed: 3.36 ft at 4:30AM Nov 30, 2021Observed: 3.28 ft at 4:45AM Nov 30, 2021Observed: 3.29 ft at 5:00AM Nov 30, 2021Observed: 3.26 ft at 5:15AM Nov 30, 2021Observed: 3.2 ft at 5:30AM Nov 30, 2021Observed: 3.21 ft at 5:45AM Nov 30, 2021Observed: 3.15 ft at 6:00AM Nov 30, 2021Observed: 3.15 ft at 6:15AM Nov 30, 2021Observed: 3.13 ft at 6:30AM Nov 30, 2021Observed: 3.11 ft at 6:45AM Nov 30, 2021Observed: 3.09 ft at 7:00AM Nov 30, 2021Observed: 3.05 ft at 7:15AM Nov 30, 2021Observed: 3.04 ft at 7:30AM Nov 30, 2021Observed: 3.02 ft at 7:45AM Nov 30, 2021Observed: 3 ft at 8:00AM Nov 30, 2021Observed: 2.95 ft at 8:15AM Nov 30, 2021Observed: 2.96 ft at 8:30AM Nov 30, 2021Observed: 2.94 ft at 8:45AM Nov 30, 2021Observed: 2.9 ft at 9:00AM Nov 30, 2021Observed: 2.91 ft at 9:15AM Nov 30, 2021Observed: 2.86 ft at 9:30AM Nov 30, 2021Observed: 2.88 ft at 9:45AM Nov 30, 2021Observed: 2.87 ft at 10:00AM Nov 30, 2021Observed: 2.85 ft at 10:15AM Nov 30, 2021Observed: 2.8 ft at 10:30AM Nov 30, 2021Observed: 2.82 ft at 10:45AM Nov 30, 2021Observed: 2.78 ft at 11:00AM Nov 30, 2021Observed: 2.76 ft at 11:15AM Nov 30, 2021Observed: 2.78 ft at 11:30AM Nov 30, 2021Observed: 2.73 ft at 11:45AM Nov 30, 2021Observed: 2.77 ft at 11:51AM Nov 30, 2021Observed: 2.71 ft at 12:00PM Nov 30, 2021Observed: 2.71 ft at 12:01PM Nov 30, 2021Observed: 2.75 ft at 12:05PM Nov 30, 2021Observed: 2.7 ft at 1:15PM Nov 30, 2021Observed: 2.69 ft at 1:30PM Nov 30, 2021Observed: 2.68 ft at 1:45PM Nov 30, 2021Observed: 2.67 ft at 2:00PM Nov 30, 2021Observed: 2.65 ft at 2:15PM Nov 30, 2021Observed: 2.65 ft at 2:30PM Nov 30, 2021Observed: 2.64 ft at 2:45PM Nov 30, 2021Observed: 2.64 ft at 3:00PM Nov 30, 2021Observed: 2.59 ft at 3:15PM Nov 30, 2021Observed: 2.62 ft at 3:30PM Nov 30, 2021Observed: 2.61 ft at 3:45PM Nov 30, 2021Observed: 2.61 ft at 4:00PM Nov 30, 2021Observed: 2.6 ft at 4:15PM Nov 30, 2021Observed: 2.59 ft at 4:30PM Nov 30, 2021Observed: 2.59 ft at 4:45PM Nov 30, 2021Observed: 2.58 ft at 5:00PM Nov 30, 2021USGS--Water Resources of the United StatesLOGP4(plotting HGIRG) Graph Created (5:36PM Nov 30, 2021)ObservedLatest observed value: 2.58 ft at 5:00 PM AST 30-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 Loco at Las Latas. 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: 18.007182° N, Longitude: 66.876320° 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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