Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
     Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 
San Juan Radar Outage Impacts Precipitation Estimates.. read more here
Hydrograph River at a Glance Download
Rio Grande De Manati near Ciales Stage (ft)Flow (kcfs)Observed: 1.88 ft at 8:30PM Jun 21, 2018Observed: 1.88 ft at 8:45PM Jun 21, 2018Observed: 1.87 ft at 9:00PM Jun 21, 2018Observed: 1.87 ft at 9:15PM Jun 21, 2018Observed: 1.86 ft at 9:30PM Jun 21, 2018Observed: 1.86 ft at 9:45PM Jun 21, 2018Observed: 1.86 ft at 10:00PM Jun 21, 2018Observed: 1.85 ft at 10:15PM Jun 21, 2018Observed: 1.85 ft at 10:30PM Jun 21, 2018Observed: 1.84 ft at 10:45PM Jun 21, 2018Observed: 1.84 ft at 11:00PM Jun 21, 2018Observed: 1.84 ft at 11:15PM Jun 21, 2018Observed: 1.83 ft at 11:30PM Jun 21, 2018Observed: 1.83 ft at 11:45PM Jun 21, 2018Observed: 1.83 ft at 12:00AM Jun 22, 2018Observed: 1.82 ft at 12:15AM Jun 22, 2018Observed: 1.82 ft at 12:30AM Jun 22, 2018Observed: 1.81 ft at 12:45AM Jun 22, 2018Observed: 1.81 ft at 1:00AM Jun 22, 2018Observed: 1.8 ft at 1:15AM Jun 22, 2018Observed: 1.8 ft at 1:30AM Jun 22, 2018Observed: 1.8 ft at 1:45AM Jun 22, 2018Observed: 1.8 ft at 2:00AM Jun 22, 2018Observed: 1.79 ft at 2:15AM Jun 22, 2018Observed: 1.79 ft at 2:30AM Jun 22, 2018Observed: 1.79 ft at 2:45AM Jun 22, 2018Observed: 1.79 ft at 3:00AM Jun 22, 2018Observed: 1.78 ft at 3:15AM Jun 22, 2018Observed: 1.78 ft at 3:30AM Jun 22, 2018Observed: 1.78 ft at 3:45AM Jun 22, 2018Observed: 1.78 ft at 4:00AM Jun 22, 2018Observed: 1.78 ft at 4:15AM Jun 22, 2018Observed: 1.78 ft at 4:30AM Jun 22, 2018Observed: 1.77 ft at 5:45AM Jun 22, 2018Observed: 1.77 ft at 6:00AM Jun 22, 2018Observed: 1.76 ft at 6:15AM Jun 22, 2018Observed: 1.76 ft at 6:30AM Jun 22, 2018Observed: 1.76 ft at 6:45AM Jun 22, 2018Observed: 1.76 ft at 7:00AM Jun 22, 2018Observed: 1.76 ft at 7:15AM Jun 22, 2018Observed: 1.76 ft at 7:30AM Jun 22, 2018Observed: 1.76 ft at 7:45AM Jun 22, 2018Observed: 1.76 ft at 8:00AM Jun 22, 2018Observed: 1.76 ft at 8:15AM Jun 22, 2018Observed: 1.76 ft at 8:30AM Jun 22, 2018Observed: 1.76 ft at 8:45AM Jun 22, 2018Observed: 1.76 ft at 9:00AM Jun 22, 2018Observed: 1.76 ft at 9:15AM Jun 22, 2018Observed: 1.75 ft at 9:30AM Jun 22, 2018Observed: 1.75 ft at 9:45AM Jun 22, 2018Observed: 1.75 ft at 10:00AM Jun 22, 2018Observed: 1.75 ft at 10:15AM Jun 22, 2018Observed: 1.75 ft at 10:30AM Jun 22, 2018Observed: 1.76 ft at 10:45AM Jun 22, 2018Observed: 1.75 ft at 11:00AM Jun 22, 2018Observed: 1.75 ft at 11:15AM Jun 22, 2018Observed: 1.75 ft at 11:30AM Jun 22, 2018Observed: 1.75 ft at 11:45AM Jun 22, 2018Observed: 1.75 ft at 12:00PM Jun 22, 2018Observed: 1.75 ft at 12:15PM Jun 22, 2018Observed: 1.75 ft at 12:30PM Jun 22, 2018Observed: 1.75 ft at 12:45PM Jun 22, 2018Observed: 1.75 ft at 1:00PM Jun 22, 2018Observed: 1.75 ft at 1:15PM Jun 22, 2018Observed: 1.75 ft at 1:30PM Jun 22, 2018Observed: 1.75 ft at 1:45PM Jun 22, 2018Observed: 1.75 ft at 2:00PM Jun 22, 2018Observed: 1.74 ft at 2:15PM Jun 22, 2018Observed: 1.74 ft at 2:30PM Jun 22, 2018Observed: 1.74 ft at 2:45PM Jun 22, 2018Observed: 1.74 ft at 3:00PM Jun 22, 2018Observed: 1.74 ft at 3:15PM Jun 22, 2018Observed: 1.73 ft at 3:30PM Jun 22, 2018Observed: 1.73 ft at 3:45PM Jun 22, 2018Observed: 1.73 ft at 4:00PM Jun 22, 2018Observed: 1.73 ft at 4:15PM Jun 22, 2018Observed: 1.73 ft at 4:30PM Jun 22, 2018Observed: 1.73 ft at 4:45PM Jun 22, 2018Observed: 1.73 ft at 5:00PM Jun 22, 2018Observed: 1.73 ft at 5:15PM Jun 22, 2018Observed: 1.73 ft at 5:30PM Jun 22, 2018Observed: 1.73 ft at 5:45PM Jun 22, 2018Observed: 1.72 ft at 6:00PM Jun 22, 2018Observed: 1.72 ft at 6:15PM Jun 22, 2018Observed: 1.72 ft at 6:16PM Jun 22, 2018Observed: 1.73 ft at 6:30PM Jun 22, 2018Observed: 1.73 ft at 6:45PM Jun 22, 2018Observed: 1.73 ft at 7:00PM Jun 22, 2018Observed: 1.73 ft at 7:15PM Jun 22, 2018Observed: 1.73 ft at 7:30PM Jun 22, 2018Observed: 1.73 ft at 7:45PM Jun 22, 2018Observed: 1.73 ft at 8:00PM Jun 22, 2018Observed: 1.73 ft at 8:15PM Jun 22, 2018Observed: 1.74 ft at 8:30PM Jun 22, 2018Observed: 1.74 ft at 8:45PM Jun 22, 2018Observed: 1.74 ft at 9:00PM Jun 22, 2018Observed: 1.74 ft at 9:15PM Jun 22, 2018Observed: 1.74 ft at 9:30PM Jun 22, 2018Observed: 1.73 ft at 9:45PM Jun 22, 2018Observed: 1.73 ft at 10:00PM Jun 22, 2018Observed: 1.73 ft at 10:15PM Jun 22, 2018Observed: 1.73 ft at 10:30PM Jun 22, 2018Observed: 1.73 ft at 10:45PM Jun 22, 2018Observed: 1.73 ft at 11:00PM Jun 22, 2018Observed: 1.73 ft at 11:15PM Jun 22, 2018Observed: 1.73 ft at 11:30PM Jun 22, 2018Observed: 1.73 ft at 11:45PM Jun 22, 2018Observed: 1.73 ft at 12:00AM Jun 23, 2018Observed: 1.73 ft at 12:15AM Jun 23, 2018Observed: 1.73 ft at 12:30AM Jun 23, 2018Observed: 1.73 ft at 12:45AM Jun 23, 2018Observed: 1.73 ft at 1:00AM Jun 23, 2018Observed: 1.73 ft at 1:15AM Jun 23, 2018Observed: 1.73 ft at 1:30AM Jun 23, 2018Observed: 1.73 ft at 1:45AM Jun 23, 2018Observed: 1.73 ft at 2:00AM Jun 23, 2018Observed: 1.73 ft at 2:15AM Jun 23, 2018Observed: 1.73 ft at 2:30AM Jun 23, 2018Observed: 1.73 ft at 2:45AM Jun 23, 2018Observed: 1.73 ft at 3:00AM Jun 23, 2018Observed: 1.73 ft at 3:15AM Jun 23, 2018Observed: 1.73 ft at 3:30AM Jun 23, 2018Observed: 1.73 ft at 3:45AM Jun 23, 2018Observed: 1.73 ft at 4:00AM Jun 23, 2018Observed: 1.73 ft at 4:15AM Jun 23, 2018Observed: 1.74 ft at 4:30AM Jun 23, 2018Observed: 1.74 ft at 4:45AM Jun 23, 2018Observed: 1.74 ft at 5:00AM Jun 23, 2018Observed: 1.74 ft at 5:15AM Jun 23, 2018Observed: 1.74 ft at 5:30AM Jun 23, 2018Observed: 1.74 ft at 5:45AM Jun 23, 2018Observed: 1.75 ft at 6:00AM Jun 23, 2018Observed: 1.75 ft at 6:15AM Jun 23, 2018Observed: 1.75 ft at 6:30AM Jun 23, 2018Observed: 1.76 ft at 6:45AM Jun 23, 2018Observed: 1.76 ft at 7:00AM Jun 23, 2018Observed: 1.76 ft at 7:15AM Jun 23, 2018Observed: 1.77 ft at 7:30AM Jun 23, 2018Observed: 1.77 ft at 7:45AM Jun 23, 2018Observed: 1.78 ft at 8:00AM Jun 23, 2018Observed: 1.78 ft at 8:15AM Jun 23, 2018Observed: 1.79 ft at 8:30AM Jun 23, 2018Observed: 1.8 ft at 8:45AM Jun 23, 2018Observed: 1.81 ft at 9:00AM Jun 23, 2018Observed: 1.82 ft at 9:15AM Jun 23, 2018Observed: 1.83 ft at 9:30AM Jun 23, 2018Observed: 1.85 ft at 9:45AM Jun 23, 2018Observed: 1.88 ft at 10:00AM Jun 23, 2018Observed: 1.94 ft at 10:15AM Jun 23, 2018Observed: 1.97 ft at 10:20AM Jun 23, 2018Observed: 2.04 ft at 10:30AM Jun 23, 2018Observed: 2.1 ft at 10:45AM Jun 23, 2018Observed: 2.14 ft at 11:00AM Jun 23, 2018Observed: 2.16 ft at 11:15AM Jun 23, 2018Observed: 2.22 ft at 11:30AM Jun 23, 2018Observed: 2.35 ft at 11:45AM Jun 23, 2018Observed: 2.46 ft at 12:00PM Jun 23, 2018Observed: 2.52 ft at 12:15PM Jun 23, 2018Observed: 2.55 ft at 12:30PM Jun 23, 2018Observed: 2.56 ft at 12:45PM Jun 23, 2018Observed: 2.57 ft at 1:00PM Jun 23, 2018Observed: 2.59 ft at 1:15PM Jun 23, 2018Observed: 2.59 ft at 1:30PM Jun 23, 2018Observed: 2.6 ft at 1:45PM Jun 23, 2018Observed: 2.61 ft at 2:00PM Jun 23, 2018Observed: 2.62 ft at 2:15PM Jun 23, 2018Observed: 2.64 ft at 2:30PM Jun 23, 2018Observed: 2.64 ft at 2:45PM Jun 23, 2018Observed: 2.65 ft at 3:00PM Jun 23, 2018Observed: 2.66 ft at 3:15PM Jun 23, 2018Observed: 2.66 ft at 3:30PM Jun 23, 2018Observed: 2.67 ft at 3:45PM Jun 23, 2018Observed: 2.68 ft at 4:00PM Jun 23, 2018Observed: 2.68 ft at 4:15PM Jun 23, 2018Observed: 2.7 ft at 4:30PM Jun 23, 2018Observed: 2.71 ft at 4:45PM Jun 23, 2018Observed: 2.72 ft at 5:00PM Jun 23, 2018Observed: 2.74 ft at 5:15PM Jun 23, 2018Observed: 2.75 ft at 5:30PM Jun 23, 2018Observed: 2.76 ft at 5:45PM Jun 23, 2018Observed: 2.77 ft at 6:00PM Jun 23, 2018Observed: 2.79 ft at 6:15PM Jun 23, 2018Observed: 2.81 ft at 6:20PM Jun 23, 2018Observed: 2.83 ft at 6:30PM Jun 23, 2018Observed: 2.88 ft at 6:45PM Jun 23, 2018Observed: 2.93 ft at 7:00PM Jun 23, 2018Observed: 2.96 ft at 7:15PM Jun 23, 2018Observed: 2.98 ft at 7:30PM Jun 23, 2018Observed: 2.99 ft at 7:45PM Jun 23, 2018Observed: 2.99 ft at 8:00PM Jun 23, 2018Observed: 3 ft at 8:15PM Jun 23, 2018Observed: 3 ft at 8:30PM Jun 23, 2018Observed: 3.01 ft at 8:45PM Jun 23, 2018Highest Observation: 3.02 ft at 9:00PM Jun 23, 2018Highest Observation: 3.02 ft at 9:15PM Jun 23, 2018Highest Observation: 3.02 ft at 9:30PM Jun 23, 2018Observed: 3.01 ft at 9:45PM Jun 23, 2018Observed: 3 ft at 10:00PM Jun 23, 2018Observed: 2.99 ft at 10:15PM Jun 23, 2018Observed: 2.98 ft at 10:30PM Jun 23, 2018Observed: 2.96 ft at 10:45PM Jun 23, 2018Observed: 2.95 ft at 11:00PM Jun 23, 2018Observed: 2.93 ft at 11:15PM Jun 23, 2018Observed: 2.92 ft at 11:30PM Jun 23, 2018Observed: 2.9 ft at 11:45PM Jun 23, 2018Observed: 2.89 ft at 12:00AM Jun 24, 2018Observed: 2.87 ft at 12:15AM Jun 24, 2018Observed: 2.86 ft at 12:30AM Jun 24, 2018Observed: 2.84 ft at 12:45AM Jun 24, 2018Observed: 2.83 ft at 1:00AM Jun 24, 2018Observed: 2.81 ft at 1:15AM Jun 24, 2018Observed: 2.79 ft at 1:30AM Jun 24, 2018Observed: 2.78 ft at 1:45AM Jun 24, 2018Observed: 2.76 ft at 2:00AM Jun 24, 2018Observed: 2.75 ft at 2:15AM Jun 24, 2018Observed: 2.74 ft at 2:21AM Jun 24, 2018Observed: 2.73 ft at 2:30AM Jun 24, 2018Observed: 2.72 ft at 2:45AM Jun 24, 2018Observed: 2.7 ft at 3:00AM Jun 24, 2018Observed: 2.69 ft at 3:15AM Jun 24, 2018Observed: 2.68 ft at 3:30AM Jun 24, 2018Observed: 2.66 ft at 3:45AM Jun 24, 2018Observed: 2.65 ft at 4:00AM Jun 24, 2018Observed: 2.64 ft at 4:15AM Jun 24, 2018Observed: 2.62 ft at 4:30AM Jun 24, 2018Observed: 2.61 ft at 4:45AM Jun 24, 2018Observed: 2.59 ft at 5:00AM Jun 24, 2018Observed: 2.58 ft at 5:15AM Jun 24, 2018Observed: 2.57 ft at 5:30AM Jun 24, 2018Observed: 2.55 ft at 5:45AM Jun 24, 2018Observed: 2.54 ft at 6:00AM Jun 24, 2018Observed: 2.52 ft at 6:15AM Jun 24, 2018Observed: 2.5 ft at 6:30AM Jun 24, 2018Observed: 2.5 ft at 6:45AM Jun 24, 2018Observed: 2.48 ft at 7:00AM Jun 24, 2018Observed: 2.47 ft at 7:15AM Jun 24, 2018Observed: 2.46 ft at 7:30AM Jun 24, 2018Observed: 2.45 ft at 7:45AM Jun 24, 2018Observed: 2.44 ft at 8:00AM Jun 24, 2018Observed: 2.43 ft at 8:15AM Jun 24, 2018Observed: 2.42 ft at 8:30AM Jun 24, 2018Observed: 2.41 ft at 8:45AM Jun 24, 2018Observed: 2.4 ft at 9:00AM Jun 24, 2018Observed: 2.39 ft at 9:15AM Jun 24, 2018Observed: 2.38 ft at 9:30AM Jun 24, 2018Observed: 2.35 ft at 10:26AM Jun 24, 2018Observed: 2.34 ft at 10:45AM Jun 24, 2018Observed: 2.33 ft at 11:00AM Jun 24, 2018Observed: 2.31 ft at 11:15AM Jun 24, 2018Observed: 2.31 ft at 11:30AM Jun 24, 2018Observed: 2.3 ft at 11:45AM Jun 24, 2018Observed: 2.29 ft at 12:00PM Jun 24, 2018Observed: 2.28 ft at 12:15PM Jun 24, 2018Observed: 2.28 ft at 12:30PM Jun 24, 2018Observed: 2.27 ft at 12:45PM Jun 24, 2018Observed: 2.26 ft at 1:00PM Jun 24, 2018Observed: 2.26 ft at 1:15PM Jun 24, 2018Observed: 2.25 ft at 1:30PM Jun 24, 2018Observed: 2.24 ft at 1:45PM Jun 24, 2018Observed: 2.23 ft at 2:00PM Jun 24, 2018Observed: 2.23 ft at 2:15PM Jun 24, 2018Observed: 2.22 ft at 2:30PM Jun 24, 2018Observed: 2.21 ft at 2:45PM Jun 24, 2018Observed: 2.2 ft at 3:00PM Jun 24, 2018Observed: 2.2 ft at 3:15PM Jun 24, 2018Observed: 2.19 ft at 3:30PM Jun 24, 2018Observed: 2.18 ft at 3:45PM Jun 24, 2018Observed: 2.18 ft at 4:00PM Jun 24, 2018Observed: 2.17 ft at 4:15PM Jun 24, 2018Observed: 2.17 ft at 4:30PM Jun 24, 2018Observed: 2.16 ft at 4:45PM Jun 24, 2018Observed: 2.15 ft at 5:00PM Jun 24, 2018Observed: 2.14 ft at 5:15PM Jun 24, 2018Observed: 2.13 ft at 5:30PM Jun 24, 2018Observed: 2.13 ft at 5:45PM Jun 24, 2018Observed: 2.12 ft at 6:00PM Jun 24, 2018Observed: 2.11 ft at 6:15PM Jun 24, 2018Observed: 2.11 ft at 6:26PM Jun 24, 2018Observed: 2.11 ft at 6:30PM Jun 24, 2018Observed: 2.1 ft at 6:45PM Jun 24, 2018Observed: 2.09 ft at 7:00PM Jun 24, 2018Observed: 2.09 ft at 7:15PM Jun 24, 2018Observed: 2.09 ft at 7:30PM Jun 24, 2018USGS--Water Resources of the United StatesCIAP4(plotting HGIRG) Graph Created (8:21PM Jun 24, 2018)ObservedLatest observed value: 2.09 ft at 7:30 PM AST 24-Jun-2018. Flood Stage is 10 ft
Printable Image
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 Grande De Manati near Ciales. Only observed stages are available for this point.
Return to Area Map
Upstream Gauge - near Morovis Upstream Gauge Downstream Gauge Downstream Gauge - near Manati
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 12
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): 0

Historic Crests
(1) 50.00 ft on 08/08/1899
(2) 36.00 ft on 09/13/1928
(3) 34.00 ft on 09/26/1932
(4) 28.33 ft on 09/20/2017 (P)
(5) 25.20 ft on 09/10/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 28.33 ft on 09/20/2017 (P)
(2) 10.58 ft on 11/24/2015
(3) 13.31 ft on 08/23/2014
(4) 12.16 ft on 10/26/2012
(5) 16.37 ft on 05/05/2012
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 07/28/1994

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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: 18.323889° N, Longitude: 66.460000° W, Horizontal Datum: NAD83/WGS84

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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other NULL NULL  

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
Ask Questions/Webmaster
Page last modified: 21-Dec-2016 5:21 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities