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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
Western Branch at Upper Marlboro / Marlboro Country Club Stage (ft)Observed: 0.82 ft at 11:00AM Sep 18, 2023Highest Observation: 1.05 ft at 12:45PM Sep 18, 2023Highest Observation: 1.05 ft at 3:30PM Sep 18, 2023Observed: 0.74 ft at 11:25PM Sep 18, 2023Observed: 0.7 ft at 3:30AM Sep 19, 2023Observed: 0.86 ft at 11:45AM Sep 19, 2023Observed: 0.86 ft at 2:45PM Sep 19, 2023Observed: 0.78 ft at 4:50PM Sep 19, 2023Observed: 0.62 ft at 9:30PM Sep 19, 2023Observed: 0.58 ft at 3:30AM Sep 20, 2023Observed: 0.66 ft at 5:25AM Sep 20, 2023Observed: 0.58 ft at 6:10AM Sep 20, 2023Observed: 0.93 ft at 12:30PM Sep 20, 2023Observed: 0.82 ft at 12:35PM Sep 20, 2023Observed: 0.89 ft at 1:00PM Sep 20, 2023Observed: 0.66 ft at 7:25PM Sep 20, 2023Observed: 0.62 ft at 9:30PM Sep 20, 2023Observed: 0.55 ft at 12:50AM Sep 21, 2023Observed: 0.62 ft at 3:30AM Sep 21, 2023Observed: 0.62 ft at 5:00AM Sep 21, 2023Observed: 0.62 ft at 6:30AM Sep 21, 2023Observed: 0.7 ft at 11:05AM Sep 21, 2023Observed: 0.82 ft at 3:30PM Sep 21, 2023Observed: 0.74 ft at 6:25PM Sep 21, 2023Observed: 0.66 ft at 7:00PM Sep 21, 2023Observed: 0.66 ft at 7:45PM Sep 21, 2023Observed: 0.58 ft at 8:20PM Sep 21, 2023Observed: 0.58 ft at 9:30PM Sep 21, 2023Observed: 0.58 ft at 3:30AM Sep 22, 2023Observed: 0.66 ft at 11:10AM Sep 22, 2023Observed: 0.74 ft at 11:40AM Sep 22, 2023Observed: 0.78 ft at 3:30PM Sep 22, 2023Observed: 0.7 ft at 8:50PM Sep 22, 2023Observed: 0.74 ft at 9:30PM Sep 22, 2023Observed: 0.66 ft at 10:10PM Sep 22, 2023Observed: 0.74 ft at 11:30PM Sep 22, 2023Observed: 0.66 ft at 12:00AM Sep 23, 2023Observed: 0.74 ft at 1:00AM Sep 23, 2023Observed: 0.7 ft at 3:30AM Sep 23, 2023MBOM2(plotting HGIRR) Graph Created (4:41AM Sep 23, 2023)ObservedLatest observed value: 0.7 ft at 3:30 AM EDT 23-Sep-2023. Flood Stage is 18 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Western Branch at Upper Marlboro / Marlboro Country Club. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 20
Flood Stage: 18
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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.
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Latitude: 38.826111° N, Longitude: 76.754167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 18 ft  
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available  
NGVD 29 Not Available Not Available  
MSL Not Available Not Available  
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
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(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(571) 888-3500
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Page last modified: 2-Nov-2020 7:30 PM
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