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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
Cacapon River near Great Cacapon Stage (ft)Flow (kcfs)Observed: 1.29 ft at 10:15PM Sep 16, 2023Observed: 1.29 ft at 10:30PM Sep 16, 2023Observed: 1.29 ft at 10:45PM Sep 16, 2023Observed: 1.29 ft at 11:00PM Sep 16, 2023Observed: 1.29 ft at 11:15PM Sep 16, 2023Observed: 1.29 ft at 11:30PM Sep 16, 2023Observed: 1.29 ft at 11:45PM Sep 16, 2023Observed: 1.29 ft at 12:00AM Sep 17, 2023Observed: 1.29 ft at 12:15AM Sep 17, 2023Observed: 1.29 ft at 12:30AM Sep 17, 2023Observed: 1.29 ft at 12:45AM Sep 17, 2023Observed: 1.29 ft at 1:00AM Sep 17, 2023Observed: 1.29 ft at 1:15AM Sep 17, 2023Observed: 1.29 ft at 1:30AM Sep 17, 2023Observed: 1.29 ft at 1:45AM Sep 17, 2023Observed: 1.29 ft at 2:00AM Sep 17, 2023Observed: 1.29 ft at 2:15AM Sep 17, 2023Observed: 1.29 ft at 2:30AM Sep 17, 2023Observed: 1.29 ft at 2:45AM Sep 17, 2023Observed: 1.29 ft at 3:00AM Sep 17, 2023Observed: 1.29 ft at 3:15AM Sep 17, 2023Observed: 1.29 ft at 3:30AM Sep 17, 2023Observed: 1.29 ft at 3:45AM Sep 17, 2023Observed: 1.29 ft at 4:00AM Sep 17, 2023Observed: 1.29 ft at 4:15AM Sep 17, 2023Observed: 1.29 ft at 4:30AM Sep 17, 2023Observed: 1.29 ft at 4:45AM Sep 17, 2023Observed: 1.29 ft at 5:00AM Sep 17, 2023Observed: 1.29 ft at 5:15AM Sep 17, 2023Observed: 1.29 ft at 5:30AM Sep 17, 2023Observed: 1.29 ft at 5:45AM Sep 17, 2023Observed: 1.29 ft at 6:00AM Sep 17, 2023Observed: 1.29 ft at 6:15AM Sep 17, 2023Observed: 1.29 ft at 6:30AM Sep 17, 2023Observed: 1.29 ft at 6:45AM Sep 17, 2023Observed: 1.29 ft at 7:00AM Sep 17, 2023Observed: 1.29 ft at 7:15AM Sep 17, 2023Observed: 1.29 ft at 7:30AM Sep 17, 2023Observed: 1.29 ft at 7:45AM Sep 17, 2023Observed: 1.29 ft at 8:00AM Sep 17, 2023Observed: 1.29 ft at 8:15AM Sep 17, 2023Observed: 1.29 ft at 8:30AM Sep 17, 2023Observed: 1.3 ft at 9:45AM Sep 17, 2023Observed: 1.31 ft at 10:00AM Sep 17, 2023Observed: 1.31 ft at 10:15AM Sep 17, 2023Observed: 1.31 ft at 10:30AM Sep 17, 2023Observed: 1.31 ft at 10:45AM Sep 17, 2023Observed: 1.31 ft at 11:00AM Sep 17, 2023Observed: 1.31 ft at 11:15AM Sep 17, 2023Observed: 1.31 ft at 11:30AM Sep 17, 2023Observed: 1.32 ft at 11:45AM Sep 17, 2023Observed: 1.32 ft at 12:00PM Sep 17, 2023Observed: 1.33 ft at 12:15PM Sep 17, 2023Observed: 1.33 ft at 12:30PM Sep 17, 2023Observed: 1.34 ft at 12:45PM Sep 17, 2023Observed: 1.35 ft at 1:00PM Sep 17, 2023Observed: 1.35 ft at 1:15PM Sep 17, 2023Observed: 1.35 ft at 1:30PM Sep 17, 2023Observed: 1.35 ft at 1:45PM Sep 17, 2023Observed: 1.35 ft at 2:00PM Sep 17, 2023Observed: 1.35 ft at 2:15PM Sep 17, 2023Observed: 1.35 ft at 2:30PM Sep 17, 2023Observed: 1.35 ft at 2:45PM Sep 17, 2023Observed: 1.35 ft at 3:00PM Sep 17, 2023Observed: 1.35 ft at 3:15PM Sep 17, 2023Observed: 1.36 ft at 3:30PM Sep 17, 2023Observed: 1.36 ft at 3:45PM Sep 17, 2023Observed: 1.36 ft at 4:00PM Sep 17, 2023Observed: 1.37 ft at 4:15PM Sep 17, 2023Observed: 1.37 ft at 4:30PM Sep 17, 2023Observed: 1.37 ft at 4:45PM Sep 17, 2023Observed: 1.37 ft at 5:00PM Sep 17, 2023Observed: 1.37 ft at 5:15PM Sep 17, 2023Observed: 1.38 ft at 5:30PM Sep 17, 2023Observed: 1.38 ft at 5:45PM Sep 17, 2023Observed: 1.38 ft at 6:00PM Sep 17, 2023Observed: 1.38 ft at 6:15PM Sep 17, 2023Observed: 1.38 ft at 6:30PM Sep 17, 2023Observed: 1.38 ft at 6:45PM Sep 17, 2023Observed: 1.38 ft at 7:00PM Sep 17, 2023Observed: 1.38 ft at 7:15PM Sep 17, 2023Observed: 1.38 ft at 7:30PM Sep 17, 2023Observed: 1.38 ft at 7:45PM Sep 17, 2023Observed: 1.38 ft at 8:00PM Sep 17, 2023Observed: 1.38 ft at 8:15PM Sep 17, 2023Observed: 1.39 ft at 8:30PM Sep 17, 2023Observed: 1.39 ft at 8:45PM Sep 17, 2023Observed: 1.39 ft at 9:00PM Sep 17, 2023Observed: 1.39 ft at 9:15PM Sep 17, 2023Observed: 1.39 ft at 9:30PM Sep 17, 2023Observed: 1.39 ft at 9:45PM Sep 17, 2023Observed: 1.39 ft at 10:00PM Sep 17, 2023Observed: 1.39 ft at 10:15PM Sep 17, 2023Observed: 1.39 ft at 10:30PM Sep 17, 2023Observed: 1.39 ft at 10:45PM Sep 17, 2023Observed: 1.39 ft at 11:00PM Sep 17, 2023Observed: 1.39 ft at 11:15PM Sep 17, 2023Observed: 1.39 ft at 11:30PM Sep 17, 2023Observed: 1.39 ft at 11:45PM Sep 17, 2023Observed: 1.39 ft at 12:00AM Sep 18, 2023Observed: 1.39 ft at 12:15AM Sep 18, 2023Observed: 1.39 ft at 12:30AM Sep 18, 2023Observed: 1.4 ft at 12:45AM Sep 18, 2023Observed: 1.4 ft at 1:00AM Sep 18, 2023Observed: 1.4 ft at 1:15AM Sep 18, 2023Observed: 1.4 ft at 1:30AM Sep 18, 2023Observed: 1.4 ft at 1:45AM Sep 18, 2023Observed: 1.4 ft at 2:00AM Sep 18, 2023Observed: 1.4 ft at 2:15AM Sep 18, 2023Observed: 1.4 ft at 2:30AM Sep 18, 2023Observed: 1.4 ft at 2:45AM Sep 18, 2023Observed: 1.4 ft at 3:00AM Sep 18, 2023Observed: 1.4 ft at 3:15AM Sep 18, 2023Observed: 1.4 ft at 3:30AM Sep 18, 2023Observed: 1.4 ft at 3:45AM Sep 18, 2023Observed: 1.4 ft at 4:00AM Sep 18, 2023Observed: 1.4 ft at 4:15AM Sep 18, 2023Observed: 1.4 ft at 4:30AM Sep 18, 2023Observed: 1.4 ft at 4:45AM Sep 18, 2023Observed: 1.4 ft at 5:00AM Sep 18, 2023Observed: 1.4 ft at 5:15AM Sep 18, 2023Observed: 1.4 ft at 5:30AM Sep 18, 2023Observed: 1.4 ft at 5:45AM Sep 18, 2023Observed: 1.4 ft at 6:00AM Sep 18, 2023Observed: 1.4 ft at 6:15AM Sep 18, 2023Observed: 1.41 ft at 6:30AM Sep 18, 2023Observed: 1.41 ft at 6:45AM Sep 18, 2023Observed: 1.41 ft at 7:00AM Sep 18, 2023Observed: 1.41 ft at 7:15AM Sep 18, 2023Observed: 1.41 ft at 7:30AM Sep 18, 2023Observed: 1.41 ft at 7:45AM Sep 18, 2023Observed: 1.41 ft at 8:00AM Sep 18, 2023Observed: 1.41 ft at 8:15AM Sep 18, 2023Observed: 1.41 ft at 8:30AM Sep 18, 2023Observed: 1.41 ft at 8:45AM Sep 18, 2023Observed: 1.41 ft at 9:00AM Sep 18, 2023Observed: 1.41 ft at 9:15AM Sep 18, 2023Observed: 1.41 ft at 9:30AM Sep 18, 2023Observed: 1.41 ft at 9:45AM Sep 18, 2023Observed: 1.41 ft at 10:00AM Sep 18, 2023Observed: 1.41 ft at 10:15AM Sep 18, 2023Observed: 1.41 ft at 10:30AM Sep 18, 2023Observed: 1.41 ft at 10:45AM Sep 18, 2023Observed: 1.41 ft at 11:00AM Sep 18, 2023Observed: 1.41 ft at 11:15AM Sep 18, 2023Observed: 1.41 ft at 11:30AM Sep 18, 2023Observed: 1.41 ft at 11:45AM Sep 18, 2023Observed: 1.41 ft at 12:00PM Sep 18, 2023Observed: 1.41 ft at 12:15PM Sep 18, 2023Observed: 1.41 ft at 12:30PM Sep 18, 2023Observed: 1.41 ft at 12:45PM Sep 18, 2023Observed: 1.41 ft at 1:00PM Sep 18, 2023Observed: 1.41 ft at 1:15PM Sep 18, 2023Observed: 1.41 ft at 1:30PM Sep 18, 2023Observed: 1.41 ft at 1:45PM Sep 18, 2023Observed: 1.42 ft at 2:00PM Sep 18, 2023Observed: 1.42 ft at 2:15PM Sep 18, 2023Observed: 1.42 ft at 2:30PM Sep 18, 2023Observed: 1.42 ft at 2:45PM Sep 18, 2023Observed: 1.42 ft at 3:00PM Sep 18, 2023Observed: 1.42 ft at 3:15PM Sep 18, 2023Observed: 1.43 ft at 3:30PM Sep 18, 2023Observed: 1.42 ft at 3:45PM Sep 18, 2023Observed: 1.43 ft at 4:00PM Sep 18, 2023Observed: 1.43 ft at 4:15PM Sep 18, 2023Observed: 1.43 ft at 4:30PM Sep 18, 2023Observed: 1.43 ft at 4:45PM Sep 18, 2023Observed: 1.43 ft at 5:00PM Sep 18, 2023Observed: 1.43 ft at 5:15PM Sep 18, 2023Observed: 1.43 ft at 5:30PM Sep 18, 2023Observed: 1.43 ft at 5:45PM Sep 18, 2023Observed: 1.43 ft at 6:00PM Sep 18, 2023Observed: 1.43 ft at 6:15PM Sep 18, 2023Observed: 1.43 ft at 6:30PM Sep 18, 2023Observed: 1.43 ft at 6:45PM Sep 18, 2023Observed: 1.43 ft at 7:00PM Sep 18, 2023Observed: 1.43 ft at 7:15PM Sep 18, 2023Observed: 1.43 ft at 7:30PM Sep 18, 2023Observed: 1.43 ft at 7:45PM Sep 18, 2023Observed: 1.43 ft at 8:00PM Sep 18, 2023Observed: 1.43 ft at 8:15PM Sep 18, 2023Observed: 1.43 ft at 8:30PM Sep 18, 2023Observed: 1.43 ft at 8:45PM Sep 18, 2023Observed: 1.43 ft at 9:00PM Sep 18, 2023Observed: 1.43 ft at 9:15PM Sep 18, 2023Observed: 1.43 ft at 9:30PM Sep 18, 2023Observed: 1.43 ft at 9:45PM Sep 18, 2023Observed: 1.43 ft at 10:00PM Sep 18, 2023Observed: 1.44 ft at 10:15PM Sep 18, 2023Observed: 1.44 ft at 10:30PM Sep 18, 2023Observed: 1.44 ft at 10:45PM Sep 18, 2023Observed: 1.44 ft at 11:00PM Sep 18, 2023Observed: 1.44 ft at 11:15PM Sep 18, 2023Observed: 1.44 ft at 11:30PM Sep 18, 2023Observed: 1.44 ft at 11:45PM Sep 18, 2023Observed: 1.44 ft at 12:00AM Sep 19, 2023Observed: 1.44 ft at 12:15AM Sep 19, 2023Observed: 1.44 ft at 12:30AM Sep 19, 2023Observed: 1.44 ft at 12:45AM Sep 19, 2023Observed: 1.44 ft at 1:00AM Sep 19, 2023Observed: 1.44 ft at 1:15AM Sep 19, 2023Observed: 1.44 ft at 1:30AM Sep 19, 2023Observed: 1.44 ft at 1:45AM Sep 19, 2023Observed: 1.44 ft at 2:00AM Sep 19, 2023Observed: 1.44 ft at 2:15AM Sep 19, 2023Observed: 1.44 ft at 2:30AM Sep 19, 2023Observed: 1.44 ft at 2:45AM Sep 19, 2023Observed: 1.44 ft at 3:00AM Sep 19, 2023Observed: 1.44 ft at 3:15AM Sep 19, 2023Observed: 1.44 ft at 3:30AM Sep 19, 2023Observed: 1.44 ft at 3:45AM Sep 19, 2023Observed: 1.44 ft at 4:00AM Sep 19, 2023Observed: 1.44 ft at 4:15AM Sep 19, 2023Observed: 1.44 ft at 4:30AM Sep 19, 2023Observed: 1.44 ft at 4:45AM Sep 19, 2023Observed: 1.44 ft at 5:00AM Sep 19, 2023Observed: 1.44 ft at 5:15AM Sep 19, 2023Observed: 1.44 ft at 5:30AM Sep 19, 2023Observed: 1.44 ft at 5:45AM Sep 19, 2023Observed: 1.44 ft at 6:00AM Sep 19, 2023Observed: 1.44 ft at 6:15AM Sep 19, 2023Observed: 1.44 ft at 6:30AM Sep 19, 2023Observed: 1.44 ft at 6:45AM Sep 19, 2023Observed: 1.44 ft at 7:00AM Sep 19, 2023Observed: 1.44 ft at 7:15AM Sep 19, 2023Observed: 1.44 ft at 7:30AM Sep 19, 2023Observed: 1.44 ft at 7:45AM Sep 19, 2023Observed: 1.44 ft at 8:00AM Sep 19, 2023Observed: 1.44 ft at 8:15AM Sep 19, 2023Observed: 1.44 ft at 8:30AM Sep 19, 2023Highest Observation: 1.45 ft at 8:45AM Sep 19, 2023Highest Observation: 1.45 ft at 9:00AM Sep 19, 2023Highest Observation: 1.45 ft at 9:15AM Sep 19, 2023Highest Observation: 1.45 ft at 9:30AM Sep 19, 2023Highest Observation: 1.45 ft at 9:45AM Sep 19, 2023Highest Observation: 1.45 ft at 10:00AM Sep 19, 2023Highest Observation: 1.45 ft at 10:15AM Sep 19, 2023Highest Observation: 1.45 ft at 10:30AM Sep 19, 2023Highest Observation: 1.45 ft at 10:45AM Sep 19, 2023Highest Observation: 1.45 ft at 11:00AM Sep 19, 2023Highest Observation: 1.45 ft at 11:15AM Sep 19, 2023Highest Observation: 1.45 ft at 11:30AM Sep 19, 2023Highest Observation: 1.45 ft at 11:45AM Sep 19, 2023Highest Observation: 1.45 ft at 12:00PM Sep 19, 2023Highest Observation: 1.45 ft at 12:15PM Sep 19, 2023Highest Observation: 1.45 ft at 12:30PM Sep 19, 2023Highest Observation: 1.45 ft at 12:45PM Sep 19, 2023Highest Observation: 1.45 ft at 1:00PM Sep 19, 2023Highest Observation: 1.45 ft at 1:15PM Sep 19, 2023Highest Observation: 1.45 ft at 1:30PM Sep 19, 2023Highest Observation: 1.45 ft at 1:45PM Sep 19, 2023Highest Observation: 1.45 ft at 2:00PM Sep 19, 2023Highest Observation: 1.45 ft at 2:15PM Sep 19, 2023Highest Observation: 1.45 ft at 2:30PM Sep 19, 2023Highest Observation: 1.45 ft at 2:45PM Sep 19, 2023Highest Observation: 1.45 ft at 3:00PM Sep 19, 2023Highest Observation: 1.45 ft at 3:15PM Sep 19, 2023Highest Observation: 1.45 ft at 3:30PM Sep 19, 2023Observed: 1.44 ft at 3:45PM Sep 19, 2023Observed: 1.44 ft at 4:00PM Sep 19, 2023Observed: 1.44 ft at 4:15PM Sep 19, 2023Observed: 1.44 ft at 4:30PM Sep 19, 2023Observed: 1.44 ft at 4:45PM Sep 19, 2023Observed: 1.44 ft at 5:00PM Sep 19, 2023Observed: 1.44 ft at 5:15PM Sep 19, 2023Observed: 1.44 ft at 5:30PM Sep 19, 2023Observed: 1.44 ft at 5:45PM Sep 19, 2023Observed: 1.44 ft at 6:00PM Sep 19, 2023Observed: 1.44 ft at 6:15PM Sep 19, 2023Observed: 1.44 ft at 6:30PM Sep 19, 2023Observed: 1.43 ft at 6:45PM Sep 19, 2023Observed: 1.43 ft at 7:00PM Sep 19, 2023Observed: 1.43 ft at 7:15PM Sep 19, 2023Observed: 1.43 ft at 7:30PM Sep 19, 2023Observed: 1.43 ft at 7:45PM Sep 19, 2023Observed: 1.43 ft at 8:00PM Sep 19, 2023Observed: 1.43 ft at 8:15PM Sep 19, 2023Observed: 1.43 ft at 8:30PM Sep 19, 2023Observed: 1.43 ft at 8:45PM Sep 19, 2023Observed: 1.43 ft at 9:00PM Sep 19, 2023Observed: 1.43 ft at 9:15PM Sep 19, 2023Observed: 1.43 ft at 9:30PM Sep 19, 2023Observed: 1.42 ft at 10:45PM Sep 19, 2023Observed: 1.42 ft at 11:00PM Sep 19, 2023Observed: 1.42 ft at 11:15PM Sep 19, 2023Observed: 1.42 ft at 11:30PM Sep 19, 2023Observed: 1.42 ft at 11:45PM Sep 19, 2023Observed: 1.42 ft at 12:00AM Sep 20, 2023Observed: 1.42 ft at 12:15AM Sep 20, 2023Observed: 1.41 ft at 12:30AM Sep 20, 2023Observed: 1.41 ft at 12:45AM Sep 20, 2023Observed: 1.41 ft at 1:00AM Sep 20, 2023Observed: 1.41 ft at 1:15AM Sep 20, 2023Observed: 1.41 ft at 1:30AM Sep 20, 2023Observed: 1.41 ft at 1:45AM Sep 20, 2023Observed: 1.41 ft at 2:00AM Sep 20, 2023Observed: 1.41 ft at 2:15AM Sep 20, 2023Observed: 1.41 ft at 2:30AM Sep 20, 2023Observed: 1.41 ft at 2:45AM Sep 20, 2023Observed: 1.41 ft at 3:00AM Sep 20, 2023Observed: 1.41 ft at 3:15AM Sep 20, 2023Observed: 1.4 ft at 3:30AM Sep 20, 2023Observed: 1.4 ft at 3:45AM Sep 20, 2023Observed: 1.4 ft at 4:00AM Sep 20, 2023Observed: 1.4 ft at 4:15AM Sep 20, 2023Observed: 1.4 ft at 4:30AM Sep 20, 2023Observed: 1.4 ft at 4:45AM Sep 20, 2023Observed: 1.4 ft at 5:00AM Sep 20, 2023Observed: 1.4 ft at 5:15AM Sep 20, 2023Observed: 1.4 ft at 5:30AM Sep 20, 2023Observed: 1.4 ft at 5:45AM Sep 20, 2023Observed: 1.39 ft at 6:00AM Sep 20, 2023Observed: 1.39 ft at 6:15AM Sep 20, 2023Observed: 1.39 ft at 6:30AM Sep 20, 2023Observed: 1.39 ft at 6:45AM Sep 20, 2023Observed: 1.39 ft at 7:00AM Sep 20, 2023Observed: 1.39 ft at 7:15AM Sep 20, 2023Observed: 1.39 ft at 7:30AM Sep 20, 2023Observed: 1.39 ft at 7:45AM Sep 20, 2023Observed: 1.39 ft at 8:00AM Sep 20, 2023Observed: 1.39 ft at 8:15AM Sep 20, 2023Observed: 1.39 ft at 8:30AM Sep 20, 2023Observed: 1.39 ft at 8:45AM Sep 20, 2023Observed: 1.39 ft at 9:00AM Sep 20, 2023Observed: 1.39 ft at 9:15AM Sep 20, 2023Observed: 1.39 ft at 9:30AM Sep 20, 2023Observed: 1.39 ft at 9:45AM Sep 20, 2023Observed: 1.39 ft at 10:00AM Sep 20, 2023Observed: 1.39 ft at 10:15AM Sep 20, 2023Observed: 1.39 ft at 10:30AM Sep 20, 2023Observed: 1.39 ft at 10:45AM Sep 20, 2023Observed: 1.38 ft at 11:00AM Sep 20, 2023Observed: 1.38 ft at 11:15AM Sep 20, 2023Observed: 1.38 ft at 11:30AM Sep 20, 2023Observed: 1.38 ft at 11:45AM Sep 20, 2023Observed: 1.38 ft at 12:00PM Sep 20, 2023Observed: 1.38 ft at 12:15PM Sep 20, 2023Observed: 1.38 ft at 12:30PM Sep 20, 2023Observed: 1.38 ft at 12:45PM Sep 20, 2023Observed: 1.38 ft at 1:00PM Sep 20, 2023Observed: 1.38 ft at 1:15PM Sep 20, 2023Observed: 1.38 ft at 1:30PM Sep 20, 2023Observed: 1.38 ft at 1:45PM Sep 20, 2023Observed: 1.38 ft at 2:00PM Sep 20, 2023Observed: 1.38 ft at 2:15PM Sep 20, 2023Observed: 1.38 ft at 2:30PM Sep 20, 2023Observed: 1.38 ft at 2:45PM Sep 20, 2023Observed: 1.38 ft at 3:00PM Sep 20, 2023Observed: 1.38 ft at 3:15PM Sep 20, 2023Observed: 1.38 ft at 3:30PM Sep 20, 2023Observed: 1.38 ft at 3:45PM Sep 20, 2023Observed: 1.38 ft at 4:00PM Sep 20, 2023Observed: 1.38 ft at 4:15PM Sep 20, 2023Observed: 1.38 ft at 4:30PM Sep 20, 2023Observed: 1.38 ft at 4:45PM Sep 20, 2023Observed: 1.38 ft at 5:00PM Sep 20, 2023Observed: 1.38 ft at 5:15PM Sep 20, 2023Observed: 1.38 ft at 5:30PM Sep 20, 2023Observed: 1.38 ft at 5:45PM Sep 20, 2023Observed: 1.38 ft at 6:00PM Sep 20, 2023Observed: 1.38 ft at 6:15PM Sep 20, 2023Observed: 1.38 ft at 6:30PM Sep 20, 2023Observed: 1.38 ft at 6:45PM Sep 20, 2023Observed: 1.38 ft at 7:00PM Sep 20, 2023Observed: 1.38 ft at 7:15PM Sep 20, 2023Observed: 1.38 ft at 7:30PM Sep 20, 2023Observed: 1.38 ft at 7:45PM Sep 20, 2023Observed: 1.38 ft at 8:00PM Sep 20, 2023Observed: 1.38 ft at 8:15PM Sep 20, 2023Observed: 1.37 ft at 8:30PM Sep 20, 2023Observed: 1.37 ft at 8:45PM Sep 20, 2023Observed: 1.37 ft at 9:00PM Sep 20, 2023Observed: 1.37 ft at 9:15PM Sep 20, 2023Observed: 1.37 ft at 9:30PM Sep 20, 2023Observed: 1.37 ft at 9:45PM Sep 20, 2023Observed: 1.37 ft at 10:00PM Sep 20, 2023Observed: 1.37 ft at 10:15PM Sep 20, 2023Observed: 1.37 ft at 10:30PM Sep 20, 2023Observed: 1.37 ft at 10:45PM Sep 20, 2023Observed: 1.37 ft at 11:00PM Sep 20, 2023Observed: 1.37 ft at 11:15PM Sep 20, 2023Observed: 1.37 ft at 11:30PM Sep 20, 2023Observed: 1.37 ft at 11:45PM Sep 20, 2023Observed: 1.37 ft at 12:00AM Sep 21, 2023Observed: 1.37 ft at 12:15AM Sep 21, 2023Observed: 1.37 ft at 12:30AM Sep 21, 2023Observed: 1.37 ft at 12:45AM Sep 21, 2023Observed: 1.37 ft at 1:00AM Sep 21, 2023Observed: 1.37 ft at 1:15AM Sep 21, 2023Observed: 1.37 ft at 1:30AM Sep 21, 2023Observed: 1.37 ft at 1:45AM Sep 21, 2023Observed: 1.37 ft at 2:00AM Sep 21, 2023Observed: 1.37 ft at 2:15AM Sep 21, 2023Observed: 1.37 ft at 2:30AM Sep 21, 2023Observed: 1.37 ft at 2:45AM Sep 21, 2023Observed: 1.37 ft at 3:00AM Sep 21, 2023Observed: 1.37 ft at 3:15AM Sep 21, 2023Observed: 1.37 ft at 3:30AM Sep 21, 2023Observed: 1.37 ft at 3:45AM Sep 21, 2023Observed: 1.37 ft at 4:00AM Sep 21, 2023Observed: 1.37 ft at 4:15AM Sep 21, 2023Observed: 1.37 ft at 4:30AM Sep 21, 2023Observed: 1.37 ft at 4:45AM Sep 21, 2023Observed: 1.37 ft at 5:00AM Sep 21, 2023Observed: 1.37 ft at 5:15AM Sep 21, 2023Observed: 1.37 ft at 5:30AM Sep 21, 2023Observed: 1.37 ft at 5:45AM Sep 21, 2023Observed: 1.37 ft at 6:00AM Sep 21, 2023Observed: 1.37 ft at 6:15AM Sep 21, 2023Observed: 1.37 ft at 6:30AM Sep 21, 2023Observed: 1.37 ft at 6:45AM Sep 21, 2023Observed: 1.37 ft at 7:00AM Sep 21, 2023Observed: 1.37 ft at 7:15AM Sep 21, 2023Observed: 1.37 ft at 7:30AM Sep 21, 2023Observed: 1.37 ft at 7:45AM Sep 21, 2023Observed: 1.37 ft at 8:00AM Sep 21, 2023Observed: 1.37 ft at 8:15AM Sep 21, 2023Observed: 1.37 ft at 8:30AM Sep 21, 2023Observed: 1.37 ft at 8:45AM Sep 21, 2023Observed: 1.37 ft at 9:00AM Sep 21, 2023Observed: 1.37 ft at 9:15AM Sep 21, 2023Observed: 1.37 ft at 9:30AM Sep 21, 2023Observed: 1.37 ft at 9:45AM Sep 21, 2023Observed: 1.37 ft at 10:00AM Sep 21, 2023Observed: 1.37 ft at 10:15AM Sep 21, 2023Observed: 1.37 ft at 10:30AM Sep 21, 2023Observed: 1.37 ft at 10:45AM Sep 21, 2023Observed: 1.37 ft at 11:00AM Sep 21, 2023Observed: 1.37 ft at 11:15AM Sep 21, 2023Observed: 1.37 ft at 11:30AM Sep 21, 2023Observed: 1.37 ft at 11:45AM Sep 21, 2023Observed: 1.37 ft at 12:00PM Sep 21, 2023Observed: 1.37 ft at 12:15PM Sep 21, 2023Observed: 1.37 ft at 12:30PM Sep 21, 2023Observed: 1.37 ft at 12:45PM Sep 21, 2023Observed: 1.37 ft at 1:00PM Sep 21, 2023Observed: 1.37 ft at 1:15PM Sep 21, 2023Observed: 1.37 ft at 1:30PM Sep 21, 2023Observed: 1.37 ft at 1:45PM Sep 21, 2023Observed: 1.37 ft at 2:00PM Sep 21, 2023Observed: 1.37 ft at 2:15PM Sep 21, 2023Observed: 1.37 ft at 2:30PM Sep 21, 2023Observed: 1.37 ft at 2:45PM Sep 21, 2023Observed: 1.37 ft at 3:00PM Sep 21, 2023Observed: 1.37 ft at 3:15PM Sep 21, 2023Observed: 1.37 ft at 3:30PM Sep 21, 2023Observed: 1.37 ft at 3:45PM Sep 21, 2023Observed: 1.37 ft at 4:00PM Sep 21, 2023Observed: 1.37 ft at 4:15PM Sep 21, 2023Observed: 1.37 ft at 4:30PM Sep 21, 2023Observed: 1.37 ft at 4:45PM Sep 21, 2023Observed: 1.37 ft at 5:00PM Sep 21, 2023Observed: 1.37 ft at 5:15PM Sep 21, 2023Observed: 1.37 ft at 5:30PM Sep 21, 2023Observed: 1.37 ft at 5:45PM Sep 21, 2023Observed: 1.37 ft at 6:00PM Sep 21, 2023Observed: 1.37 ft at 6:15PM Sep 21, 2023Observed: 1.37 ft at 6:30PM Sep 21, 2023Observed: 1.37 ft at 6:45PM Sep 21, 2023Observed: 1.37 ft at 7:00PM Sep 21, 2023Observed: 1.37 ft at 7:15PM Sep 21, 2023Observed: 1.37 ft at 7:30PM Sep 21, 2023Observed: 1.37 ft at 7:45PM Sep 21, 2023Observed: 1.37 ft at 8:00PM Sep 21, 2023Observed: 1.37 ft at 8:15PM Sep 21, 2023Observed: 1.37 ft at 8:30PM Sep 21, 2023Observed: 1.37 ft at 8:45PM Sep 21, 2023Observed: 1.37 ft at 9:00PM Sep 21, 2023Observed: 1.37 ft at 9:15PM Sep 21, 2023Observed: 1.37 ft at 9:30PM Sep 21, 2023Forecast: 1.3 ft 2:00AM Sep 22, 2023Forecast: 1.3 ft 8:00AM Sep 22, 2023Forecast: 1.3 ft 2:00PM Sep 22, 2023Forecast: 1.3 ft 8:00PM Sep 22, 2023Forecast: 1.3 ft 2:00AM Sep 23, 2023Forecast: 1.3 ft 8:00AM Sep 23, 2023Forecast: 1.4 ft 2:00PM Sep 23, 2023Forecast: 1.5 ft 8:00PM Sep 23, 2023Forecast: 1.8 ft 2:00AM Sep 24, 2023Highest Forecast: 2.1 ft 8:00AM Sep 24, 2023USGS--Water Resources of the United StatesGCPW2(plotting HGIRG) Graph Created (10:10PM Sep 21, 2023)ObservedForecast (issued 10:33AM Sep 21)Latest observed value: 1.37 ft at 9:30 PM EDT 21-Sep-2023. Flood Stage is 9 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Cacapon River near Great Cacapon are issued routinely year-round.
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Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 16
Flood Stage: 9
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 30.10 ft on 03/18/1936
(2) 24.70 ft on 05/01/1889
(3) 24.30 ft on 08/19/1955
(4) 23.67 ft on 10/16/1942
(5) 22.60 ft on 04/26/1937
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.36 ft on 05/08/2022 (P)
(2) 10.59 ft on 03/01/2021
(3) 10.29 ft on 05/01/2020
(4) 9.28 ft on 12/22/2018
(5) 13.05 ft on 12/16/2018
Show More 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:14
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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
23 Floodwaters approach homes near Rock Ford Road.
20 Floodwaters approach homes near Largent, as well as near Fisher Bridge Road and Running Waters Way. Widespread flooding is occurring throughout the basin.
17 Route 9 is flooded in multiple locations, near the southern bridge over the Cacapon in Morgan County, and near Claybaugh Rocks.
16 Route 9 begins to flood near the southern bridge over the Cacapon River in Morgan County.
15 Floodwaters reach Trailer Park Road near Largent.
12 Running Waters Way begins to flood.
11 Kilgore Road is flooded in multiple spots.
9 Rock Ford Road begins to flood in multiple locations, including flowing completely over the low water bridge. Constant Run Road and a small portion of Kilgore Road also begin to flood.
About This Location Collapse

Latitude: 39.582222° N, Longitude: 78.310000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.
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Hydrologic Resources Additional Resources
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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
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(571) 888-3500
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