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

Hydrograph River at a Glance Download
Rio Grande De Loiza below Dam Stage (ft)Flow (kcfs)Observed: 8.33 ft at 2:30PM Nov 21, 2020Observed: 8.32 ft at 2:45PM Nov 21, 2020Observed: 8.3 ft at 3:00PM Nov 21, 2020Observed: 8.27 ft at 3:15PM Nov 21, 2020Observed: 8.32 ft at 3:30PM Nov 21, 2020Observed: 8.3 ft at 3:45PM Nov 21, 2020Observed: 8.24 ft at 4:00PM Nov 21, 2020Observed: 8.24 ft at 4:15PM Nov 21, 2020Observed: 8.24 ft at 4:30PM Nov 21, 2020Observed: 8.22 ft at 4:45PM Nov 21, 2020Observed: 8.21 ft at 5:00PM Nov 21, 2020Observed: 8.22 ft at 5:15PM Nov 21, 2020Observed: 8.25 ft at 5:30PM Nov 21, 2020Observed: 8.23 ft at 5:45PM Nov 21, 2020Observed: 8.21 ft at 6:00PM Nov 21, 2020Observed: 8.15 ft at 6:15PM Nov 21, 2020Observed: 8.17 ft at 6:30PM Nov 21, 2020Observed: 8.19 ft at 6:45PM Nov 21, 2020Observed: 8.21 ft at 7:00PM Nov 21, 2020Observed: 8.21 ft at 7:15PM Nov 21, 2020Observed: 8.21 ft at 7:30PM Nov 21, 2020Observed: 8.24 ft at 7:45PM Nov 21, 2020Observed: 8.22 ft at 8:00PM Nov 21, 2020Observed: 8.21 ft at 8:15PM Nov 21, 2020Observed: 8.19 ft at 8:30PM Nov 21, 2020Observed: 8.21 ft at 8:45PM Nov 21, 2020Observed: 8.18 ft at 9:00PM Nov 21, 2020Observed: 8.18 ft at 9:15PM Nov 21, 2020Observed: 8.2 ft at 9:21PM Nov 21, 2020Observed: 8.19 ft at 9:30PM Nov 21, 2020Observed: 8.17 ft at 9:45PM Nov 21, 2020Observed: 8.14 ft at 10:00PM Nov 21, 2020Observed: 7.86 ft at 10:15PM Nov 21, 2020Observed: 7.45 ft at 10:22PM Nov 21, 2020Observed: 7.01 ft at 10:26PM Nov 21, 2020Observed: 6.63 ft at 10:30PM Nov 21, 2020Observed: 5.92 ft at 10:41PM Nov 21, 2020Observed: 5.63 ft at 10:45PM Nov 21, 2020Observed: 5.63 ft at 10:46PM Nov 21, 2020Observed: 4.95 ft at 11:00PM Nov 21, 2020Observed: 4.5 ft at 11:15PM Nov 21, 2020Observed: 4.18 ft at 11:30PM Nov 21, 2020Observed: 3.96 ft at 11:45PM Nov 21, 2020Observed: 3.8 ft at 12:00AM Nov 22, 2020Observed: 3.67 ft at 12:15AM Nov 22, 2020Observed: 3.56 ft at 12:30AM Nov 22, 2020Observed: 3.48 ft at 12:45AM Nov 22, 2020Observed: 3.4 ft at 1:00AM Nov 22, 2020Observed: 3.33 ft at 1:15AM Nov 22, 2020Observed: 3.28 ft at 1:30AM Nov 22, 2020Observed: 3.23 ft at 1:45AM Nov 22, 2020Observed: 3.18 ft at 2:00AM Nov 22, 2020Observed: 3.14 ft at 2:15AM Nov 22, 2020Observed: 3.1 ft at 2:30AM Nov 22, 2020Observed: 3.07 ft at 2:45AM Nov 22, 2020Observed: 3.04 ft at 3:00AM Nov 22, 2020Observed: 3.01 ft at 3:15AM Nov 22, 2020Observed: 2.98 ft at 3:30AM Nov 22, 2020Observed: 2.95 ft at 3:45AM Nov 22, 2020Observed: 2.93 ft at 4:00AM Nov 22, 2020Observed: 2.9 ft at 4:15AM Nov 22, 2020Observed: 2.89 ft at 4:30AM Nov 22, 2020Observed: 2.87 ft at 4:45AM Nov 22, 2020Observed: 2.85 ft at 5:00AM Nov 22, 2020Observed: 2.83 ft at 5:15AM Nov 22, 2020Observed: 2.82 ft at 5:30AM Nov 22, 2020Observed: 2.81 ft at 5:45AM Nov 22, 2020Observed: 2.79 ft at 6:00AM Nov 22, 2020Observed: 2.78 ft at 6:15AM Nov 22, 2020Observed: 2.77 ft at 6:30AM Nov 22, 2020Observed: 2.76 ft at 6:45AM Nov 22, 2020Observed: 2.75 ft at 7:00AM Nov 22, 2020Observed: 2.75 ft at 7:15AM Nov 22, 2020Observed: 2.74 ft at 7:30AM Nov 22, 2020Observed: 2.73 ft at 7:45AM Nov 22, 2020Observed: 2.73 ft at 8:00AM Nov 22, 2020Observed: 2.71 ft at 8:15AM Nov 22, 2020Observed: 2.71 ft at 8:30AM Nov 22, 2020Observed: 2.71 ft at 8:45AM Nov 22, 2020Observed: 2.7 ft at 9:00AM Nov 22, 2020Observed: 2.7 ft at 9:15AM Nov 22, 2020Observed: 2.7 ft at 9:30AM Nov 22, 2020Observed: 2.69 ft at 9:45AM Nov 22, 2020Observed: 2.68 ft at 10:00AM Nov 22, 2020Observed: 2.68 ft at 10:15AM Nov 22, 2020Observed: 2.67 ft at 10:30AM Nov 22, 2020Observed: 2.67 ft at 10:45AM Nov 22, 2020Observed: 2.67 ft at 11:00AM Nov 22, 2020Observed: 2.66 ft at 11:15AM Nov 22, 2020Observed: 2.66 ft at 11:30AM Nov 22, 2020Observed: 2.66 ft at 11:45AM Nov 22, 2020Observed: 2.65 ft at 12:00PM Nov 22, 2020Observed: 2.65 ft at 12:15PM Nov 22, 2020Observed: 2.65 ft at 12:30PM Nov 22, 2020Observed: 2.65 ft at 12:45PM Nov 22, 2020Observed: 2.65 ft at 1:00PM Nov 22, 2020Observed: 2.65 ft at 1:15PM Nov 22, 2020Observed: 2.65 ft at 1:30PM Nov 22, 2020Observed: 2.65 ft at 1:45PM Nov 22, 2020Observed: 2.65 ft at 2:00PM Nov 22, 2020Observed: 2.65 ft at 2:15PM Nov 22, 2020Observed: 2.65 ft at 2:30PM Nov 22, 2020Observed: 2.65 ft at 2:45PM Nov 22, 2020Observed: 2.65 ft at 2:46PM Nov 22, 2020Observed: 2.65 ft at 3:00PM Nov 22, 2020Observed: 3.64 ft at 3:07PM Nov 22, 2020Observed: 6.49 ft at 3:10PM Nov 22, 2020Observed: 7.07 ft at 3:15PM Nov 22, 2020Observed: 7.35 ft at 3:21PM Nov 22, 2020Observed: 7.9 ft at 3:30PM Nov 22, 2020Observed: 7.9 ft at 3:31PM Nov 22, 2020Observed: 8.83 ft at 3:36PM Nov 22, 2020Observed: 9.6 ft at 3:40PM Nov 22, 2020Observed: 10.12 ft at 3:45PM Nov 22, 2020Observed: 10.3 ft at 3:51PM Nov 22, 2020Observed: 10.61 ft at 4:00PM Nov 22, 2020Observed: 10.72 ft at 4:15PM Nov 22, 2020Observed: 10.76 ft at 4:30PM Nov 22, 2020Observed: 10.75 ft at 4:45PM Nov 22, 2020Observed: 10.81 ft at 5:00PM Nov 22, 2020Observed: 10.78 ft at 5:15PM Nov 22, 2020Observed: 10.76 ft at 5:30PM Nov 22, 2020Observed: 10.82 ft at 5:45PM Nov 22, 2020Observed: 10.74 ft at 6:00PM Nov 22, 2020Observed: 10.73 ft at 6:15PM Nov 22, 2020Observed: 10.76 ft at 6:30PM Nov 22, 2020Observed: 10.81 ft at 6:45PM Nov 22, 2020Observed: 10.76 ft at 7:00PM Nov 22, 2020Observed: 10.76 ft at 7:15PM Nov 22, 2020Observed: 10.82 ft at 7:30PM Nov 22, 2020Observed: 10.75 ft at 7:45PM Nov 22, 2020Observed: 10.74 ft at 8:00PM Nov 22, 2020Observed: 10.75 ft at 8:15PM Nov 22, 2020Observed: 10.74 ft at 8:30PM Nov 22, 2020Observed: 10.73 ft at 8:45PM Nov 22, 2020Observed: 10.73 ft at 9:00PM Nov 22, 2020Observed: 10.74 ft at 9:15PM Nov 22, 2020Observed: 10.72 ft at 9:30PM Nov 22, 2020Observed: 10.74 ft at 9:45PM Nov 22, 2020Observed: 10.72 ft at 10:00PM Nov 22, 2020Observed: 10.72 ft at 10:15PM Nov 22, 2020Observed: 10.7 ft at 10:30PM Nov 22, 2020Observed: 10.74 ft at 10:45PM Nov 22, 2020Observed: 10.74 ft at 11:00PM Nov 22, 2020Observed: 10.69 ft at 11:15PM Nov 22, 2020Observed: 10.68 ft at 11:30PM Nov 22, 2020Observed: 10.73 ft at 11:45PM Nov 22, 2020Observed: 10.78 ft at 11:55PM Nov 22, 2020Observed: 10.71 ft at 12:00AM Nov 23, 2020Observed: 10.74 ft at 12:15AM Nov 23, 2020Observed: 10.72 ft at 12:30AM Nov 23, 2020Observed: 10.77 ft at 12:45AM Nov 23, 2020Observed: 10.75 ft at 1:00AM Nov 23, 2020Observed: 10.7 ft at 1:15AM Nov 23, 2020Observed: 10.72 ft at 1:30AM Nov 23, 2020Observed: 10.7 ft at 1:45AM Nov 23, 2020Observed: 10.69 ft at 2:00AM Nov 23, 2020Observed: 10.75 ft at 2:06AM Nov 23, 2020Observed: 10.77 ft at 2:11AM Nov 23, 2020Observed: 10.7 ft at 2:15AM Nov 23, 2020Observed: 10.7 ft at 2:16AM Nov 23, 2020Observed: 10.73 ft at 2:30AM Nov 23, 2020Observed: 10.72 ft at 2:36AM Nov 23, 2020Observed: 10.76 ft at 2:41AM Nov 23, 2020Observed: 10.69 ft at 2:45AM Nov 23, 2020Observed: 10.69 ft at 2:46AM Nov 23, 2020Observed: 10.94 ft at 2:56AM Nov 23, 2020Observed: 11.44 ft at 3:00AM Nov 23, 2020Observed: 11.44 ft at 3:01AM Nov 23, 2020Observed: 11.77 ft at 3:05AM Nov 23, 2020Observed: 12.04 ft at 3:11AM Nov 23, 2020Observed: 12.18 ft at 3:15AM Nov 23, 2020Observed: 12.86 ft at 3:26AM Nov 23, 2020Observed: 13.07 ft at 3:30AM Nov 23, 2020Observed: 13.07 ft at 3:31AM Nov 23, 2020Observed: 13.51 ft at 3:45AM Nov 23, 2020Observed: 14.09 ft at 4:00AM Nov 23, 2020Observed: 14.48 ft at 4:15AM Nov 23, 2020Observed: 14.78 ft at 4:30AM Nov 23, 2020Observed: 15.35 ft at 4:41AM Nov 23, 2020Observed: 15.61 ft at 4:45AM Nov 23, 2020Observed: 15.85 ft at 5:00AM Nov 23, 2020Observed: 16.02 ft at 5:15AM Nov 23, 2020Observed: 16.6 ft at 5:25AM Nov 23, 2020Observed: 16.84 ft at 5:30AM Nov 23, 2020Observed: 16.97 ft at 5:45AM Nov 23, 2020Observed: 17.19 ft at 6:00AM Nov 23, 2020Observed: 17.63 ft at 6:11AM Nov 23, 2020Observed: 17.9 ft at 6:15AM Nov 23, 2020Observed: 17.9 ft at 6:16AM Nov 23, 2020Observed: 18.3 ft at 6:21AM Nov 23, 2020Observed: 18.88 ft at 6:26AM Nov 23, 2020Observed: 19.36 ft at 6:30AM Nov 23, 2020Highest Observation: 19.68 ft at 6:41AM Nov 23, 2020Observed: 19.44 ft at 6:45AM Nov 23, 2020Observed: 19.24 ft at 7:00AM Nov 23, 2020Observed: 18.8 ft at 7:12AM Nov 23, 2020Observed: 18.67 ft at 7:15AM Nov 23, 2020Observed: 18.25 ft at 7:26AM Nov 23, 2020Observed: 18.01 ft at 7:30AM Nov 23, 2020Observed: 18.01 ft at 7:31AM Nov 23, 2020Observed: 18.01 ft at 7:45AM Nov 23, 2020Observed: 18.37 ft at 8:00AM Nov 23, 2020Observed: 18.73 ft at 8:15AM Nov 23, 2020Observed: 18.85 ft at 8:30AM Nov 23, 2020Observed: 18.76 ft at 8:45AM Nov 23, 2020Observed: 18.62 ft at 9:00AM Nov 23, 2020Observed: 18.68 ft at 9:15AM Nov 23, 2020Observed: 18.75 ft at 9:30AM Nov 23, 2020Observed: 18.11 ft at 9:45AM Nov 23, 2020Observed: 17.46 ft at 10:00AM Nov 23, 2020Observed: 17.46 ft at 10:01AM Nov 23, 2020Observed: 17.1 ft at 10:05AM Nov 23, 2020Observed: 16.78 ft at 10:10AM Nov 23, 2020Observed: 16.37 ft at 10:15AM Nov 23, 2020Observed: 15.41 ft at 10:26AM Nov 23, 2020Observed: 15.4 ft at 10:30AM Nov 23, 2020Observed: 14.9 ft at 10:45AM Nov 23, 2020Observed: 14.93 ft at 11:00AM Nov 23, 2020Observed: 14.86 ft at 11:15AM Nov 23, 2020Observed: 14.79 ft at 11:30AM Nov 23, 2020Observed: 14.8 ft at 11:45AM Nov 23, 2020Observed: 14.33 ft at 11:56AM Nov 23, 2020Observed: 14.08 ft at 12:00PM Nov 23, 2020Observed: 14.08 ft at 12:01PM Nov 23, 2020Observed: 13.53 ft at 12:15PM Nov 23, 2020Observed: 13.53 ft at 12:16PM Nov 23, 2020Observed: 12.81 ft at 12:26PM Nov 23, 2020Observed: 12.64 ft at 12:30PM Nov 23, 2020Observed: 12.24 ft at 12:45PM Nov 23, 2020Observed: 12.18 ft at 1:00PM Nov 23, 2020Observed: 12.05 ft at 1:15PM Nov 23, 2020Observed: 12.18 ft at 1:30PM Nov 23, 2020Observed: 12.02 ft at 1:45PM Nov 23, 2020Observed: 12.05 ft at 2:00PM Nov 23, 2020Observed: 12.11 ft at 2:15PM Nov 23, 2020Observed: 12.05 ft at 2:30PM Nov 23, 2020Observed: 12.08 ft at 2:45PM Nov 23, 2020Observed: 12.02 ft at 3:00PM Nov 23, 2020Observed: 12.04 ft at 3:15PM Nov 23, 2020Observed: 12.06 ft at 3:30PM Nov 23, 2020Observed: 12.05 ft at 3:45PM Nov 23, 2020Observed: 11.77 ft at 4:00PM Nov 23, 2020Observed: 11.25 ft at 4:06PM Nov 23, 2020Observed: 10.81 ft at 4:11PM Nov 23, 2020Observed: 10.44 ft at 4:15PM Nov 23, 2020Observed: 10.44 ft at 4:16PM Nov 23, 2020Observed: 10.07 ft at 4:30PM Nov 23, 2020Observed: 10.02 ft at 4:45PM Nov 23, 2020Observed: 9.98 ft at 5:00PM Nov 23, 2020Observed: 9.91 ft at 5:15PM Nov 23, 2020Observed: 9.89 ft at 5:30PM Nov 23, 2020Observed: 9.96 ft at 5:45PM Nov 23, 2020Observed: 9.97 ft at 6:00PM Nov 23, 2020Observed: 9.86 ft at 6:15PM Nov 23, 2020Observed: 9.9 ft at 6:30PM Nov 23, 2020Observed: 9.87 ft at 6:45PM Nov 23, 2020Observed: 9.92 ft at 7:00PM Nov 23, 2020Observed: 9.77 ft at 7:15PM Nov 23, 2020Observed: 9.35 ft at 7:21PM Nov 23, 2020Observed: 8.92 ft at 7:26PM Nov 23, 2020Observed: 8.46 ft at 7:30PM Nov 23, 2020Observed: 8.46 ft at 7:31PM Nov 23, 2020Observed: 8.14 ft at 7:36PM Nov 23, 2020Observed: 7.7 ft at 7:45PM Nov 23, 2020Observed: 7.49 ft at 8:00PM Nov 23, 2020Observed: 7.45 ft at 8:15PM Nov 23, 2020Observed: 7.41 ft at 8:30PM Nov 23, 2020Observed: 7.41 ft at 8:45PM Nov 23, 2020Observed: 7.36 ft at 9:00PM Nov 23, 2020Observed: 7.4 ft at 9:15PM Nov 23, 2020Observed: 7.38 ft at 9:30PM Nov 23, 2020Observed: 7.39 ft at 9:45PM Nov 23, 2020Observed: 7.4 ft at 10:00PM Nov 23, 2020Observed: 7.41 ft at 10:15PM Nov 23, 2020Observed: 7.39 ft at 10:30PM Nov 23, 2020Observed: 7.37 ft at 10:45PM Nov 23, 2020Observed: 7.4 ft at 11:00PM Nov 23, 2020Observed: 7.4 ft at 11:15PM Nov 23, 2020Observed: 7.39 ft at 11:30PM Nov 23, 2020Observed: 7.39 ft at 11:45PM Nov 23, 2020Observed: 7.42 ft at 12:00AM Nov 24, 2020Observed: 7.29 ft at 12:15AM Nov 24, 2020Observed: 7.38 ft at 12:30AM Nov 24, 2020Observed: 7.42 ft at 12:45AM Nov 24, 2020Observed: 8.19 ft at 1:00AM Nov 24, 2020Observed: 8.19 ft at 1:01AM Nov 24, 2020Observed: 8.55 ft at 1:06AM Nov 24, 2020Observed: 8.84 ft at 1:11AM Nov 24, 2020Observed: 9.02 ft at 1:15AM Nov 24, 2020Observed: 9.18 ft at 1:30AM Nov 24, 2020Observed: 9.31 ft at 1:45AM Nov 24, 2020Observed: 9.2 ft at 2:00AM Nov 24, 2020Observed: 8.83 ft at 2:15AM Nov 24, 2020Observed: 8.18 ft at 2:30AM Nov 24, 2020Observed: 7.93 ft at 2:45AM Nov 24, 2020Observed: 7.86 ft at 3:00AM Nov 24, 2020Observed: 7.83 ft at 3:15AM Nov 24, 2020Observed: 7.84 ft at 3:30AM Nov 24, 2020Observed: 7.87 ft at 3:45AM Nov 24, 2020Observed: 7.86 ft at 4:00AM Nov 24, 2020Observed: 7.85 ft at 4:15AM Nov 24, 2020Observed: 7.9 ft at 4:30AM Nov 24, 2020Observed: 7.86 ft at 4:45AM Nov 24, 2020Observed: 7.86 ft at 5:00AM Nov 24, 2020Observed: 7.88 ft at 5:15AM Nov 24, 2020Observed: 7.85 ft at 5:30AM Nov 24, 2020Observed: 7.88 ft at 5:45AM Nov 24, 2020Observed: 7.88 ft at 6:00AM Nov 24, 2020Observed: 7.84 ft at 6:15AM Nov 24, 2020Observed: 7.83 ft at 6:30AM Nov 24, 2020Observed: 7.83 ft at 6:45AM Nov 24, 2020Observed: 7.88 ft at 7:00AM Nov 24, 2020Observed: 7.87 ft at 7:15AM Nov 24, 2020Observed: 7.83 ft at 7:30AM Nov 24, 2020Observed: 7.86 ft at 7:45AM Nov 24, 2020Observed: 7.86 ft at 8:00AM Nov 24, 2020Observed: 7.81 ft at 8:15AM Nov 24, 2020Observed: 7.85 ft at 8:30AM Nov 24, 2020Observed: 7.86 ft at 8:45AM Nov 24, 2020Observed: 7.89 ft at 9:00AM Nov 24, 2020Observed: 7.82 ft at 9:10AM Nov 24, 2020Observed: 7.87 ft at 9:15AM Nov 24, 2020Observed: 7.84 ft at 9:30AM Nov 24, 2020Observed: 7.83 ft at 9:45AM Nov 24, 2020Observed: 7.83 ft at 10:00AM Nov 24, 2020Observed: 7.89 ft at 10:15AM Nov 24, 2020Observed: 7.86 ft at 10:30AM Nov 24, 2020Observed: 7.88 ft at 10:45AM Nov 24, 2020Observed: 7.83 ft at 11:00AM Nov 24, 2020Observed: 7.88 ft at 11:15AM Nov 24, 2020Observed: 7.91 ft at 11:30AM Nov 24, 2020Observed: 7.88 ft at 11:45AM Nov 24, 2020Observed: 7.83 ft at 12:00PM Nov 24, 2020Observed: 7.85 ft at 12:15PM Nov 24, 2020Observed: 7.86 ft at 12:30PM Nov 24, 2020Observed: 7.9 ft at 12:45PM Nov 24, 2020Observed: 7.86 ft at 1:00PM Nov 24, 2020Observed: 7.87 ft at 1:15PM Nov 24, 2020Observed: 7.85 ft at 1:30PM Nov 24, 2020Observed: 7.84 ft at 1:45PM Nov 24, 2020USGS--Water Resources of the United StatesTRUP4(plotting HGIRG) Graph Created (2:22PM Nov 24, 2020)ObservedLatest observed value: 7.84 ft at 1:45 PM AST 24-Nov-2020. Flood Stage is 22 ft
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About this graph
Tabular Data (UTC)
Tabular Data (AST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Rio Grande De Loiza below Dam. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 42
Moderate Flood Stage: 32
Flood Stage: 22
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 49.31 ft on 09/10/1996
(2) 47.93 ft on 09/20/2017 (P)
(3) 47.01 ft on 10/14/1997
(4) 39.57 ft on 11/27/1987
(5) 37.30 ft on 09/15/2004
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 47.93 ft on 09/20/2017 (P)
(2) 25.54 ft on 10/25/2015
(3) 29.27 ft on 11/07/2014
(4) 26.01 ft on 08/23/2014
(5) 23.99 ft on 10/26/2012
Show More 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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
26.94 Water beneath the houses in Canovanas past the confluences of Rio Canovanas and Rio Canovanillas
23.61 River out of its banks along Road #3 at town entrance in Carolina, Flooding also occurring in the parking lot of the Roberto Clemente Coliseum.Roads #853 and #858 blocked
About This Location Collapse

Latitude: 18.342500° N, Longitude: 66.005556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 22 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 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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Page last modified: 30-Oct-2020 4:10 PM
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