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  NOTICE:There is a service interruption for a number of stream gauges nationwide due to the Global Positioning System (GPS) Rollover that occurred on April 6 at 23:59 GMT. The National Weather Service is working with federal, state, and local partners to ensure those affected gauges obtain the necessary updates to resume data transmission. We apologize for the service interruption and hope to have the data restored as soon as possible.

Hydrograph River at a Glance Download
Colorado River (TX) at Matagorda Stage (ft)Observed: 0.64 ft at 8:00PM Apr 19, 2019Observed: 0.56 ft at 9:00PM Apr 19, 2019Observed: 0.43 ft at 10:00PM Apr 19, 2019Observed: 0.38 ft at 11:00PM Apr 19, 2019Observed: 0.29 ft at 12:00AM Apr 20, 2019Observed: 0.24 ft at 1:00AM Apr 20, 2019Observed: 0.08 ft at 2:00AM Apr 20, 2019Observed: 0.23 ft at 3:00AM Apr 20, 2019Observed: 0.37 ft at 4:00AM Apr 20, 2019Observed: 0.34 ft at 5:00AM Apr 20, 2019Observed: 0.25 ft at 6:00AM Apr 20, 2019Observed: 0.62 ft at 7:00AM Apr 20, 2019Observed: 0.86 ft at 8:00AM Apr 20, 2019Observed: 0.86 ft at 9:00AM Apr 20, 2019Observed: 0.94 ft at 10:00AM Apr 20, 2019Observed: 0.91 ft at 11:00AM Apr 20, 2019Observed: 0.92 ft at 12:00PM Apr 20, 2019Observed: 0.95 ft at 1:00PM Apr 20, 2019Observed: 0.95 ft at 2:00PM Apr 20, 2019Observed: 0.91 ft at 3:00PM Apr 20, 2019Observed: 0.86 ft at 4:00PM Apr 20, 2019Observed: 0.86 ft at 5:00PM Apr 20, 2019Observed: 0.84 ft at 6:00PM Apr 20, 2019Observed: 0.9 ft at 7:00PM Apr 20, 2019Observed: 1 ft at 8:00PM Apr 20, 2019Observed: 0.84 ft at 9:00PM Apr 20, 2019Observed: 0.79 ft at 10:00PM Apr 20, 2019Observed: 0.66 ft at 11:00PM Apr 20, 2019Observed: 0.57 ft at 12:00AM Apr 21, 2019Observed: 0.56 ft at 1:00AM Apr 21, 2019Observed: 0.55 ft at 2:00AM Apr 21, 2019Observed: 0.58 ft at 3:00AM Apr 21, 2019Observed: 0.69 ft at 4:00AM Apr 21, 2019Observed: 0.71 ft at 5:00AM Apr 21, 2019Observed: 0.88 ft at 6:00AM Apr 21, 2019Observed: 0.94 ft at 7:00AM Apr 21, 2019Observed: 1.08 ft at 8:00AM Apr 21, 2019Observed: 1.15 ft at 9:00AM Apr 21, 2019Observed: 1.23 ft at 10:00AM Apr 21, 2019Observed: 1.26 ft at 11:00AM Apr 21, 2019Observed: 1.26 ft at 12:00PM Apr 21, 2019Observed: 1.33 ft at 1:00PM Apr 21, 2019Highest Observation: 1.38 ft at 2:00PM Apr 21, 2019Observed: 1.31 ft at 3:00PM Apr 21, 2019Observed: 1.27 ft at 4:00PM Apr 21, 2019Observed: 1.14 ft at 5:00PM Apr 21, 2019Observed: 1.15 ft at 6:00PM Apr 21, 2019Observed: 1.12 ft at 7:00PM Apr 21, 2019Observed: 1.07 ft at 8:00PM Apr 21, 2019Observed: 0.96 ft at 9:00PM Apr 21, 2019Observed: 0.91 ft at 10:00PM Apr 21, 2019Observed: 0.83 ft at 11:00PM Apr 21, 2019Observed: 0.76 ft at 12:00AM Apr 22, 2019Observed: 0.73 ft at 1:00AM Apr 22, 2019Observed: 0.73 ft at 2:00AM Apr 22, 2019Observed: 0.68 ft at 3:00AM Apr 22, 2019Observed: 0.73 ft at 4:00AM Apr 22, 2019Observed: 0.87 ft at 5:00AM Apr 22, 2019Observed: 1.07 ft at 6:00AM Apr 22, 2019Observed: 1.01 ft at 7:00AM Apr 22, 2019Observed: 1.07 ft at 8:00AM Apr 22, 2019Observed: 1.16 ft at 9:00AM Apr 22, 2019Observed: 1.25 ft at 10:00AM Apr 22, 2019Observed: 1.25 ft at 11:00AM Apr 22, 2019Observed: 1.28 ft at 12:00PM Apr 22, 2019Observed: 1.31 ft at 1:00PM Apr 22, 2019Observed: 1.32 ft at 2:00PM Apr 22, 2019Observed: 1.28 ft at 3:00PM Apr 22, 2019Observed: 1.25 ft at 4:00PM Apr 22, 2019Observed: 1.21 ft at 5:00PM Apr 22, 2019Observed: 1.18 ft at 6:00PM Apr 22, 2019Observed: 1.11 ft at 7:00PM Apr 22, 2019LCRA-Energy, Water, Community ServicesMRCT2(plotting HGIRZ) Graph Created (7:31PM Apr 22, 2019)ObservedLatest observed value: 1.11 ft at 7:00 PM CDT 22-Apr-2019. Flood Stage is 8.8 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Colorado River (TX) at Matagorda are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Bay City Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 10.4
Moderate Flood Stage: 9.6
Flood Stage: 8.8
Action Stage: 4.8
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:16
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
18 Top of levy surrounding City of Matagorda.
10.4 Major lowoand flooding begins as water enters homes in River Run subdivision.
8.8 Minor lowland flooding begins as water spills over the bulkhead at homes in the River Run subdivision.
8.19 Right upstream lowbank at north end of River Run subdivision.
4.8 Water is over the low piers at homes in the River Run subdivision at the gage site.
About This Location Collapse

Latitude: 28.699167° N, Longitude: 95.975000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8.8 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  
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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
Houston/Galveston Weather Forecast Office
1353 FM 646, Suite 202
Dickinson, TX 77539
(281) 337-5074
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Page last modified: 4-Mar-2019 11:29 PM
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