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
 

Web Portal Changes:

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
San Bernard River near Old Ocean Stage (ft)Flow (kcfs)Observed: 1.93 ft at 8:45PM Apr 15, 2024Observed: 1.93 ft at 9:00PM Apr 15, 2024Observed: 1.9 ft at 9:15PM Apr 15, 2024Observed: 1.89 ft at 9:30PM Apr 15, 2024Observed: 1.87 ft at 9:45PM Apr 15, 2024Observed: 1.84 ft at 10:00PM Apr 15, 2024Observed: 1.81 ft at 10:15PM Apr 15, 2024Observed: 1.79 ft at 10:30PM Apr 15, 2024Observed: 1.76 ft at 10:45PM Apr 15, 2024Observed: 1.76 ft at 11:00PM Apr 15, 2024Observed: 1.73 ft at 11:15PM Apr 15, 2024Observed: 1.71 ft at 11:30PM Apr 15, 2024Observed: 1.68 ft at 11:45PM Apr 15, 2024Observed: 1.65 ft at 12:00AM Apr 16, 2024Observed: 1.63 ft at 12:15AM Apr 16, 2024Observed: 1.61 ft at 12:30AM Apr 16, 2024Observed: 1.57 ft at 12:45AM Apr 16, 2024Observed: 1.56 ft at 1:00AM Apr 16, 2024Observed: 1.53 ft at 1:15AM Apr 16, 2024Observed: 1.53 ft at 1:30AM Apr 16, 2024Observed: 1.54 ft at 1:45AM Apr 16, 2024Observed: 1.54 ft at 2:00AM Apr 16, 2024Observed: 1.53 ft at 2:15AM Apr 16, 2024Observed: 1.51 ft at 2:30AM Apr 16, 2024Observed: 1.49 ft at 2:45AM Apr 16, 2024Observed: 1.46 ft at 3:00AM Apr 16, 2024Observed: 1.44 ft at 3:15AM Apr 16, 2024Observed: 1.42 ft at 3:30AM Apr 16, 2024Observed: 1.41 ft at 3:45AM Apr 16, 2024Observed: 1.38 ft at 4:00AM Apr 16, 2024Observed: 1.36 ft at 4:15AM Apr 16, 2024Observed: 1.32 ft at 4:30AM Apr 16, 2024Observed: 1.3 ft at 4:45AM Apr 16, 2024Observed: 1.27 ft at 5:00AM Apr 16, 2024Observed: 1.24 ft at 5:15AM Apr 16, 2024Observed: 1.19 ft at 5:30AM Apr 16, 2024Observed: 1.17 ft at 5:45AM Apr 16, 2024Observed: 1.13 ft at 6:00AM Apr 16, 2024Observed: 1.11 ft at 6:15AM Apr 16, 2024Observed: 1.08 ft at 6:30AM Apr 16, 2024Observed: 1.07 ft at 6:45AM Apr 16, 2024Observed: 1.05 ft at 7:00AM Apr 16, 2024Observed: 1.04 ft at 7:15AM Apr 16, 2024Observed: 1.03 ft at 7:30AM Apr 16, 2024Observed: 1 ft at 7:45AM Apr 16, 2024Observed: 0.98 ft at 8:00AM Apr 16, 2024Observed: 0.97 ft at 8:15AM Apr 16, 2024Observed: 0.96 ft at 8:30AM Apr 16, 2024Observed: 0.95 ft at 8:45AM Apr 16, 2024Observed: 0.95 ft at 9:00AM Apr 16, 2024Observed: 0.95 ft at 9:15AM Apr 16, 2024Observed: 0.96 ft at 9:30AM Apr 16, 2024Observed: 0.99 ft at 9:45AM Apr 16, 2024Observed: 1.04 ft at 10:00AM Apr 16, 2024Observed: 1.06 ft at 10:15AM Apr 16, 2024Observed: 1.08 ft at 10:30AM Apr 16, 2024Observed: 1.15 ft at 10:45AM Apr 16, 2024Observed: 1.23 ft at 11:00AM Apr 16, 2024Observed: 1.25 ft at 11:15AM Apr 16, 2024Observed: 1.36 ft at 11:30AM Apr 16, 2024Observed: 1.44 ft at 11:45AM Apr 16, 2024Observed: 1.4 ft at 12:00PM Apr 16, 2024Observed: 1.33 ft at 12:15PM Apr 16, 2024Observed: 1.24 ft at 12:30PM Apr 16, 2024Observed: 1.23 ft at 12:45PM Apr 16, 2024Observed: 1.27 ft at 1:00PM Apr 16, 2024Observed: 1.28 ft at 1:15PM Apr 16, 2024Observed: 1.33 ft at 1:30PM Apr 16, 2024Observed: 1.39 ft at 1:45PM Apr 16, 2024Observed: 1.43 ft at 2:00PM Apr 16, 2024Observed: 1.49 ft at 2:15PM Apr 16, 2024Observed: 1.53 ft at 2:30PM Apr 16, 2024Observed: 1.52 ft at 2:45PM Apr 16, 2024Observed: 1.52 ft at 3:00PM Apr 16, 2024Observed: 1.52 ft at 3:15PM Apr 16, 2024Observed: 1.55 ft at 3:30PM Apr 16, 2024Observed: 1.57 ft at 3:45PM Apr 16, 2024Observed: 1.71 ft at 4:00PM Apr 16, 2024Observed: 1.8 ft at 4:15PM Apr 16, 2024Observed: 1.75 ft at 4:30PM Apr 16, 2024Observed: 1.68 ft at 4:45PM Apr 16, 2024Observed: 1.62 ft at 5:00PM Apr 16, 2024Observed: 1.6 ft at 5:15PM Apr 16, 2024Observed: 1.59 ft at 5:30PM Apr 16, 2024Observed: 1.61 ft at 5:45PM Apr 16, 2024Observed: 1.63 ft at 6:00PM Apr 16, 2024Observed: 1.61 ft at 6:15PM Apr 16, 2024Observed: 1.65 ft at 6:30PM Apr 16, 2024Observed: 1.68 ft at 6:45PM Apr 16, 2024Observed: 1.77 ft at 7:00PM Apr 16, 2024Observed: 1.89 ft at 7:15PM Apr 16, 2024Highest Observation: 1.98 ft at 7:30PM Apr 16, 2024Highest Observation: 1.98 ft at 7:45PM Apr 16, 2024Observed: 1.96 ft at 8:00PM Apr 16, 2024Observed: 1.92 ft at 8:15PM Apr 16, 2024Observed: 1.92 ft at 8:30PM Apr 16, 2024Observed: 1.89 ft at 8:45PM Apr 16, 2024Observed: 1.85 ft at 9:00PM Apr 16, 2024Observed: 1.83 ft at 9:15PM Apr 16, 2024Observed: 1.77 ft at 9:30PM Apr 16, 2024Observed: 1.73 ft at 9:45PM Apr 16, 2024Observed: 1.72 ft at 10:00PM Apr 16, 2024Observed: 1.71 ft at 10:15PM Apr 16, 2024Observed: 1.71 ft at 10:30PM Apr 16, 2024Observed: 1.7 ft at 10:45PM Apr 16, 2024Observed: 1.67 ft at 11:00PM Apr 16, 2024Observed: 1.64 ft at 11:15PM Apr 16, 2024Observed: 1.61 ft at 11:30PM Apr 16, 2024Observed: 1.59 ft at 11:45PM Apr 16, 2024Observed: 1.56 ft at 12:00AM Apr 17, 2024Observed: 1.55 ft at 12:15AM Apr 17, 2024Observed: 1.55 ft at 12:30AM Apr 17, 2024Observed: 1.54 ft at 12:45AM Apr 17, 2024Observed: 1.55 ft at 1:00AM Apr 17, 2024Observed: 1.54 ft at 1:15AM Apr 17, 2024Observed: 1.52 ft at 1:30AM Apr 17, 2024Observed: 1.5 ft at 1:45AM Apr 17, 2024Observed: 1.47 ft at 2:00AM Apr 17, 2024Observed: 1.43 ft at 2:15AM Apr 17, 2024Observed: 1.4 ft at 2:30AM Apr 17, 2024Observed: 1.4 ft at 2:45AM Apr 17, 2024Observed: 1.4 ft at 3:00AM Apr 17, 2024Observed: 1.4 ft at 3:15AM Apr 17, 2024Observed: 1.39 ft at 3:30AM Apr 17, 2024Observed: 1.35 ft at 3:45AM Apr 17, 2024Observed: 1.34 ft at 4:00AM Apr 17, 2024Observed: 1.33 ft at 4:15AM Apr 17, 2024Observed: 1.29 ft at 4:30AM Apr 17, 2024Observed: 1.26 ft at 4:45AM Apr 17, 2024Observed: 1.24 ft at 5:00AM Apr 17, 2024Observed: 1.2 ft at 5:15AM Apr 17, 2024Observed: 1.18 ft at 5:30AM Apr 17, 2024Observed: 1.15 ft at 5:45AM Apr 17, 2024Observed: 1.12 ft at 6:00AM Apr 17, 2024Observed: 1.09 ft at 6:15AM Apr 17, 2024Observed: 1.07 ft at 6:30AM Apr 17, 2024Observed: 1.02 ft at 6:45AM Apr 17, 2024Observed: 0.97 ft at 7:00AM Apr 17, 2024Observed: 0.94 ft at 7:15AM Apr 17, 2024Observed: 0.91 ft at 7:30AM Apr 17, 2024Observed: 0.89 ft at 7:45AM Apr 17, 2024Observed: 0.86 ft at 8:00AM Apr 17, 2024Observed: 0.83 ft at 8:15AM Apr 17, 2024Observed: 0.8 ft at 8:30AM Apr 17, 2024Observed: 0.79 ft at 8:45AM Apr 17, 2024Observed: 0.78 ft at 9:00AM Apr 17, 2024Observed: 0.77 ft at 9:15AM Apr 17, 2024Observed: 0.77 ft at 9:30AM Apr 17, 2024Observed: 0.77 ft at 9:45AM Apr 17, 2024Observed: 0.74 ft at 10:00AM Apr 17, 2024Observed: 0.76 ft at 10:15AM Apr 17, 2024Observed: 0.75 ft at 10:30AM Apr 17, 2024Observed: 0.8 ft at 10:45AM Apr 17, 2024Observed: 0.83 ft at 11:00AM Apr 17, 2024Observed: 0.91 ft at 11:15AM Apr 17, 2024Observed: 0.97 ft at 11:30AM Apr 17, 2024Observed: 1.05 ft at 11:45AM Apr 17, 2024Observed: 1.08 ft at 12:00PM Apr 17, 2024Observed: 1.13 ft at 12:15PM Apr 17, 2024Observed: 1.12 ft at 12:30PM Apr 17, 2024Observed: 1.16 ft at 12:45PM Apr 17, 2024Observed: 1.21 ft at 1:00PM Apr 17, 2024Observed: 1.16 ft at 1:15PM Apr 17, 2024Observed: 1.21 ft at 1:30PM Apr 17, 2024Observed: 1.24 ft at 1:45PM Apr 17, 2024Observed: 1.26 ft at 2:00PM Apr 17, 2024Observed: 1.3 ft at 2:15PM Apr 17, 2024Observed: 1.35 ft at 2:30PM Apr 17, 2024Observed: 1.38 ft at 2:45PM Apr 17, 2024Observed: 1.35 ft at 3:00PM Apr 17, 2024Observed: 1.38 ft at 3:15PM Apr 17, 2024Observed: 1.43 ft at 3:30PM Apr 17, 2024Observed: 1.47 ft at 3:45PM Apr 17, 2024Observed: 1.45 ft at 4:00PM Apr 17, 2024Observed: 1.52 ft at 4:15PM Apr 17, 2024Observed: 1.54 ft at 4:30PM Apr 17, 2024Observed: 1.54 ft at 4:45PM Apr 17, 2024Observed: 1.54 ft at 5:00PM Apr 17, 2024Observed: 1.52 ft at 5:15PM Apr 17, 2024Observed: 1.52 ft at 5:30PM Apr 17, 2024Observed: 1.51 ft at 5:45PM Apr 17, 2024Observed: 1.5 ft at 6:00PM Apr 17, 2024Observed: 1.48 ft at 6:15PM Apr 17, 2024Observed: 1.5 ft at 6:30PM Apr 17, 2024Observed: 1.49 ft at 6:45PM Apr 17, 2024Observed: 1.47 ft at 7:00PM Apr 17, 2024Observed: 1.48 ft at 7:15PM Apr 17, 2024Observed: 1.5 ft at 7:30PM Apr 17, 2024Observed: 1.59 ft at 7:45PM Apr 17, 2024Observed: 1.71 ft at 8:00PM Apr 17, 2024Observed: 1.73 ft at 8:15PM Apr 17, 2024Observed: 1.69 ft at 8:30PM Apr 17, 2024Observed: 1.64 ft at 8:45PM Apr 17, 2024Observed: 1.62 ft at 9:00PM Apr 17, 2024Observed: 1.61 ft at 9:15PM Apr 17, 2024Observed: 1.59 ft at 9:30PM Apr 17, 2024Observed: 1.56 ft at 9:45PM Apr 17, 2024Observed: 1.51 ft at 10:00PM Apr 17, 2024Observed: 1.46 ft at 10:15PM Apr 17, 2024Observed: 1.42 ft at 10:30PM Apr 17, 2024Observed: 1.42 ft at 10:45PM Apr 17, 2024Observed: 1.35 ft at 11:00PM Apr 17, 2024Observed: 1.31 ft at 11:15PM Apr 17, 2024Observed: 1.33 ft at 11:30PM Apr 17, 2024Observed: 1.31 ft at 11:45PM Apr 17, 2024Observed: 1.27 ft at 12:00AM Apr 18, 2024Observed: 1.24 ft at 12:15AM Apr 18, 2024Observed: 1.24 ft at 12:30AM Apr 18, 2024Observed: 1.24 ft at 12:45AM Apr 18, 2024Observed: 1.26 ft at 1:00AM Apr 18, 2024Observed: 1.28 ft at 1:15AM Apr 18, 2024Observed: 1.24 ft at 1:30AM Apr 18, 2024Observed: 1.25 ft at 1:45AM Apr 18, 2024Observed: 1.31 ft at 2:00AM Apr 18, 2024Observed: 1.33 ft at 2:15AM Apr 18, 2024Observed: 1.34 ft at 2:30AM Apr 18, 2024Observed: 1.34 ft at 2:45AM Apr 18, 2024Observed: 1.38 ft at 3:00AM Apr 18, 2024Observed: 1.42 ft at 3:15AM Apr 18, 2024Observed: 1.42 ft at 3:30AM Apr 18, 2024Observed: 1.38 ft at 3:45AM Apr 18, 2024Observed: 1.38 ft at 4:00AM Apr 18, 2024Observed: 1.34 ft at 4:15AM Apr 18, 2024Observed: 1.32 ft at 4:30AM Apr 18, 2024Observed: 1.32 ft at 4:45AM Apr 18, 2024Observed: 1.32 ft at 5:00AM Apr 18, 2024Observed: 1.32 ft at 5:15AM Apr 18, 2024Observed: 1.29 ft at 5:30AM Apr 18, 2024Observed: 1.24 ft at 5:45AM Apr 18, 2024Observed: 1.21 ft at 6:00AM Apr 18, 2024Observed: 1.14 ft at 6:15AM Apr 18, 2024Observed: 1.14 ft at 6:30AM Apr 18, 2024Observed: 1.11 ft at 6:45AM Apr 18, 2024Observed: 1.08 ft at 7:00AM Apr 18, 2024Observed: 1.04 ft at 7:15AM Apr 18, 2024Observed: 1 ft at 7:30AM Apr 18, 2024Observed: 0.94 ft at 7:45AM Apr 18, 2024Observed: 0.92 ft at 8:00AM Apr 18, 2024Observed: 0.89 ft at 8:15AM Apr 18, 2024Observed: 0.84 ft at 8:30AM Apr 18, 2024Observed: 0.82 ft at 8:45AM Apr 18, 2024Observed: 0.78 ft at 9:00AM Apr 18, 2024Observed: 0.77 ft at 9:15AM Apr 18, 2024Observed: 0.74 ft at 9:30AM Apr 18, 2024Observed: 0.76 ft at 9:45AM Apr 18, 2024Observed: 0.79 ft at 10:00AM Apr 18, 2024Observed: 0.8 ft at 10:15AM Apr 18, 2024Observed: 0.79 ft at 10:30AM Apr 18, 2024Observed: 0.77 ft at 10:45AM Apr 18, 2024Observed: 0.75 ft at 11:00AM Apr 18, 2024Observed: 0.74 ft at 11:15AM Apr 18, 2024Observed: 0.79 ft at 11:30AM Apr 18, 2024Observed: 0.85 ft at 11:45AM Apr 18, 2024Observed: 0.91 ft at 12:00PM Apr 18, 2024Observed: 0.97 ft at 12:15PM Apr 18, 2024Observed: 1.01 ft at 12:30PM Apr 18, 2024Observed: 1.07 ft at 12:45PM Apr 18, 2024Observed: 1.17 ft at 1:00PM Apr 18, 2024Observed: 1.27 ft at 1:15PM Apr 18, 2024Observed: 1.38 ft at 1:30PM Apr 18, 2024Observed: 1.48 ft at 1:45PM Apr 18, 2024Observed: 1.55 ft at 2:00PM Apr 18, 2024Observed: 1.6 ft at 2:15PM Apr 18, 2024Observed: 1.62 ft at 2:30PM Apr 18, 2024Observed: 1.65 ft at 2:45PM Apr 18, 2024Observed: 1.69 ft at 3:00PM Apr 18, 2024Observed: 1.72 ft at 3:15PM Apr 18, 2024Observed: 1.77 ft at 3:30PM Apr 18, 2024Observed: 1.79 ft at 3:45PM Apr 18, 2024Observed: 1.8 ft at 4:00PM Apr 18, 2024Observed: 1.78 ft at 4:15PM Apr 18, 2024Observed: 1.78 ft at 4:30PM Apr 18, 2024Observed: 1.78 ft at 4:45PM Apr 18, 2024Observed: 1.78 ft at 5:00PM Apr 18, 2024Observed: 1.81 ft at 5:15PM Apr 18, 2024Observed: 1.84 ft at 5:30PM Apr 18, 2024Observed: 1.87 ft at 5:45PM Apr 18, 2024Observed: 1.85 ft at 6:00PM Apr 18, 2024Observed: 1.86 ft at 6:15PM Apr 18, 2024Observed: 1.84 ft at 6:30PM Apr 18, 2024Observed: 1.84 ft at 6:45PM Apr 18, 2024Observed: 1.83 ft at 7:00PM Apr 18, 2024Observed: 1.79 ft at 7:15PM Apr 18, 2024Observed: 1.72 ft at 7:30PM Apr 18, 2024Observed: 1.64 ft at 7:45PM Apr 18, 2024USGS--Water Resources of the United StatesOCNT2(plotting HGIRG) Graph Created (8:36PM Apr 18, 2024)ObservedLatest observed value: 1.64 ft at 7:45 PM CDT 18-Apr-2024. Flood Stage is 7 ft
Printable Image
About this graph
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 San Bernard River near Old Ocean are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Gauge - near Boling Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 11
Flood Stage: 7
Action Stage: 5
Low Stage (in feet): 0

Historic Crests
(1) 30.16 ft on 09/02/2017
(2) 20.35 ft on 06/07/2019
(3) 15.82 ft on 05/12/2019
(4) 15.36 ft on 07/11/2021 (P)
(5) 11.30 ft on 06/05/2021 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.36 ft on 07/11/2021 (P)
(2) 11.30 ft on 06/05/2021 (P)
(3) 9.78 ft on 01/04/2021 (P)
(4) 20.35 ft on 06/07/2019
(5) 15.82 ft on 05/12/2019
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
25.5 FM 521 begins to flood.
25 Lowest homes along CR 747A begin to flood. Reifels Feed Store is threatened. Graham Road and Kaufman Road become threatened.
24 Low spots on HWY 35 become threatened. Low spots on Cypress Crest Street begin to take on water.
23 FM 522 West and CR 747A become threatened.
22 FM 522 East and Gupton Road become threatened.
21 Allhands Drive becomes threatened.
20.5 Lowest homes along CR 244A being to flood.
20 Windsor Road, CR 797 and Post Oak Court become threatened.
19.5 Lowest homes along CR 506 north of FM 521 begin to flood. CR 244A becomes threatened.
19 Homes along CR 506 north of FM 521 are threatened. River Drive, Riverbend Road, and CR 945 become threatened.
18 Water is over the road at the entrance of the Phillips Terminal. Water is over the top of the dock at the Phillips Terminal near Sweeny with all vessel traffic stopped. Widespread inundation of the left floodplain occurs. Hook Road becomes threatened.
17 Low spots on CR 506 begin to flood.
16 Water begins inundating the boat ramp off of FM 521. Pan American Road and Riverglen Street become threatened.
13 Water is within 5 feet of the top of the dock at the Phillips Terminal near Sweeny. Tugs can not push barges upstream and are unable to dock and there is widespread inundation of the floodplain.
11 Lazy G RV Park becomes threatened.
10 Water begins spilling into the left floodplain. Water is over the mid level walkway at the Phillips Terminal near Sweeny.
9 Water is over the mid level walkway at the Phillips Terminal near Sweeny.
7.5 Lazy G RV Boat Ramp takes on water.
7 Water is over the lowest platform at the Phillips Terminal near Sweeny. Hanson Park begins to flood.
5 Private boat ramps begin taking on water.
About This Location Collapse

Latitude: 29.111900° N, Longitude: 95.676600° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 7 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:
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
Houston/Galveston Weather Forecast Office
1353 FM 646, Suite 202
Dickinson, TX 77539
(281) 337-5074
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities