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
Bookmark and Share Navigation Bar End Cap

  
 

Web Portal Changes:

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



Hydrograph River at a Glance Download
North Branch Potomac River at Luke Stage (ft)Flow (kcfs)Highest Observation: 2.2 ft at 8:45AM Mar 24, 2024Highest Observation: 2.2 ft at 9:00AM Mar 24, 2024Highest Observation: 2.2 ft at 9:15AM Mar 24, 2024Highest Observation: 2.2 ft at 9:30AM Mar 24, 2024Highest Observation: 2.2 ft at 9:45AM Mar 24, 2024Highest Observation: 2.2 ft at 10:00AM Mar 24, 2024Highest Observation: 2.2 ft at 10:15AM Mar 24, 2024Observed: 2.19 ft at 10:30AM Mar 24, 2024Highest Observation: 2.2 ft at 10:45AM Mar 24, 2024Highest Observation: 2.2 ft at 11:00AM Mar 24, 2024Highest Observation: 2.2 ft at 11:15AM Mar 24, 2024Highest Observation: 2.2 ft at 11:30AM Mar 24, 2024Observed: 2.19 ft at 11:45AM Mar 24, 2024Highest Observation: 2.2 ft at 12:00PM Mar 24, 2024Highest Observation: 2.2 ft at 12:15PM Mar 24, 2024Highest Observation: 2.2 ft at 12:30PM Mar 24, 2024Highest Observation: 2.2 ft at 12:45PM Mar 24, 2024Highest Observation: 2.2 ft at 1:00PM Mar 24, 2024Highest Observation: 2.2 ft at 1:15PM Mar 24, 2024Observed: 2.19 ft at 1:30PM Mar 24, 2024Highest Observation: 2.2 ft at 1:45PM Mar 24, 2024Highest Observation: 2.2 ft at 2:00PM Mar 24, 2024Highest Observation: 2.2 ft at 2:15PM Mar 24, 2024Highest Observation: 2.2 ft at 2:30PM Mar 24, 2024Highest Observation: 2.2 ft at 2:45PM Mar 24, 2024Highest Observation: 2.2 ft at 3:00PM Mar 24, 2024Highest Observation: 2.2 ft at 3:15PM Mar 24, 2024Highest Observation: 2.2 ft at 3:30PM Mar 24, 2024Highest Observation: 2.2 ft at 3:45PM Mar 24, 2024Highest Observation: 2.2 ft at 4:00PM Mar 24, 2024Highest Observation: 2.2 ft at 4:15PM Mar 24, 2024Highest Observation: 2.2 ft at 4:30PM Mar 24, 2024Observed: 2.19 ft at 4:45PM Mar 24, 2024Observed: 2.19 ft at 5:00PM Mar 24, 2024Observed: 2.19 ft at 5:15PM Mar 24, 2024Observed: 2.19 ft at 5:30PM Mar 24, 2024Highest Observation: 2.2 ft at 5:45PM Mar 24, 2024Observed: 2.19 ft at 6:00PM Mar 24, 2024Highest Observation: 2.2 ft at 6:15PM Mar 24, 2024Observed: 2.19 ft at 6:30PM Mar 24, 2024Observed: 2.19 ft at 6:45PM Mar 24, 2024Observed: 2.19 ft at 7:00PM Mar 24, 2024Observed: 2.19 ft at 7:15PM Mar 24, 2024Observed: 2.19 ft at 7:30PM Mar 24, 2024Observed: 2.19 ft at 7:45PM Mar 24, 2024Observed: 2.19 ft at 8:00PM Mar 24, 2024Highest Observation: 2.2 ft at 8:15PM Mar 24, 2024Observed: 2.19 ft at 8:30PM Mar 24, 2024Highest Observation: 2.2 ft at 8:45PM Mar 24, 2024Observed: 2.19 ft at 9:00PM Mar 24, 2024Observed: 2.19 ft at 9:15PM Mar 24, 2024Observed: 2.19 ft at 9:30PM Mar 24, 2024Observed: 2.19 ft at 9:45PM Mar 24, 2024Observed: 2.19 ft at 10:00PM Mar 24, 2024Observed: 2.19 ft at 10:15PM Mar 24, 2024Observed: 2.19 ft at 10:30PM Mar 24, 2024Observed: 2.19 ft at 10:45PM Mar 24, 2024Observed: 2.19 ft at 11:00PM Mar 24, 2024Observed: 2.19 ft at 11:15PM Mar 24, 2024Observed: 2.19 ft at 11:30PM Mar 24, 2024Observed: 2.19 ft at 11:45PM Mar 24, 2024Observed: 2.19 ft at 12:00AM Mar 25, 2024Observed: 2.19 ft at 12:15AM Mar 25, 2024Observed: 2.19 ft at 12:30AM Mar 25, 2024Observed: 2.19 ft at 12:45AM Mar 25, 2024Observed: 2.19 ft at 1:00AM Mar 25, 2024Observed: 2.19 ft at 1:15AM Mar 25, 2024Observed: 2.19 ft at 1:30AM Mar 25, 2024Observed: 2.19 ft at 1:45AM Mar 25, 2024Observed: 2.19 ft at 2:00AM Mar 25, 2024Observed: 2.19 ft at 2:15AM Mar 25, 2024Observed: 2.19 ft at 2:30AM Mar 25, 2024Observed: 2.19 ft at 2:45AM Mar 25, 2024Observed: 2.19 ft at 3:00AM Mar 25, 2024Observed: 2.19 ft at 3:15AM Mar 25, 2024Observed: 2.19 ft at 3:30AM Mar 25, 2024Observed: 2.19 ft at 3:45AM Mar 25, 2024Observed: 2.19 ft at 4:00AM Mar 25, 2024Observed: 2.19 ft at 4:15AM Mar 25, 2024Observed: 2.18 ft at 4:30AM Mar 25, 2024Observed: 2.19 ft at 4:45AM Mar 25, 2024Observed: 2.19 ft at 5:00AM Mar 25, 2024Observed: 2.19 ft at 5:15AM Mar 25, 2024Observed: 2.18 ft at 5:30AM Mar 25, 2024Observed: 2.19 ft at 5:45AM Mar 25, 2024Observed: 2.18 ft at 6:00AM Mar 25, 2024Observed: 2.18 ft at 6:15AM Mar 25, 2024Observed: 2.19 ft at 6:30AM Mar 25, 2024Observed: 2.19 ft at 6:45AM Mar 25, 2024Observed: 2.19 ft at 7:00AM Mar 25, 2024Observed: 2.19 ft at 7:15AM Mar 25, 2024Observed: 2.18 ft at 7:30AM Mar 25, 2024Observed: 2.18 ft at 7:45AM Mar 25, 2024Observed: 2.18 ft at 8:00AM Mar 25, 2024Observed: 2.18 ft at 8:15AM Mar 25, 2024Observed: 2.18 ft at 8:30AM Mar 25, 2024Observed: 2.19 ft at 8:45AM Mar 25, 2024Observed: 2.18 ft at 9:00AM Mar 25, 2024Observed: 2.19 ft at 9:15AM Mar 25, 2024Observed: 2.18 ft at 9:30AM Mar 25, 2024Observed: 2.18 ft at 9:45AM Mar 25, 2024Observed: 2.18 ft at 10:00AM Mar 25, 2024Observed: 2.18 ft at 10:15AM Mar 25, 2024Observed: 2.19 ft at 10:30AM Mar 25, 2024Observed: 2.19 ft at 10:45AM Mar 25, 2024Observed: 2.18 ft at 11:00AM Mar 25, 2024Observed: 2.19 ft at 11:15AM Mar 25, 2024Observed: 2.19 ft at 11:30AM Mar 25, 2024Observed: 2.18 ft at 11:45AM Mar 25, 2024Observed: 2.18 ft at 12:00PM Mar 25, 2024Observed: 2.18 ft at 12:15PM Mar 25, 2024Observed: 2.18 ft at 12:30PM Mar 25, 2024Observed: 2.18 ft at 12:45PM Mar 25, 2024Observed: 2.19 ft at 1:00PM Mar 25, 2024Observed: 2.18 ft at 1:15PM Mar 25, 2024Observed: 2.18 ft at 1:30PM Mar 25, 2024Observed: 2.18 ft at 1:45PM Mar 25, 2024Observed: 2.18 ft at 2:00PM Mar 25, 2024Observed: 2.18 ft at 2:15PM Mar 25, 2024Observed: 2.18 ft at 2:30PM Mar 25, 2024Observed: 2.18 ft at 2:45PM Mar 25, 2024Observed: 2.18 ft at 3:00PM Mar 25, 2024Observed: 2.18 ft at 3:15PM Mar 25, 2024Observed: 2.18 ft at 3:30PM Mar 25, 2024Observed: 2.18 ft at 3:45PM Mar 25, 2024Observed: 2.18 ft at 4:00PM Mar 25, 2024Observed: 2.19 ft at 4:15PM Mar 25, 2024Observed: 2.18 ft at 4:30PM Mar 25, 2024Observed: 2.19 ft at 4:45PM Mar 25, 2024Observed: 2.18 ft at 5:00PM Mar 25, 2024Observed: 2.18 ft at 5:15PM Mar 25, 2024Observed: 2.18 ft at 5:30PM Mar 25, 2024Observed: 2.18 ft at 5:45PM Mar 25, 2024Observed: 2.19 ft at 6:00PM Mar 25, 2024Observed: 2.19 ft at 6:15PM Mar 25, 2024Observed: 2.18 ft at 6:30PM Mar 25, 2024Observed: 2.18 ft at 6:45PM Mar 25, 2024Observed: 2.18 ft at 7:00PM Mar 25, 2024Observed: 2.18 ft at 7:15PM Mar 25, 2024Observed: 2.18 ft at 7:30PM Mar 25, 2024Observed: 2.18 ft at 7:45PM Mar 25, 2024Observed: 2.18 ft at 8:00PM Mar 25, 2024Observed: 2.18 ft at 8:15PM Mar 25, 2024Observed: 2.18 ft at 8:30PM Mar 25, 2024Observed: 2.18 ft at 8:45PM Mar 25, 2024Observed: 2.18 ft at 9:00PM Mar 25, 2024Observed: 2.18 ft at 9:15PM Mar 25, 2024Observed: 2.18 ft at 9:30PM Mar 25, 2024Observed: 2.18 ft at 9:45PM Mar 25, 2024Observed: 2.18 ft at 10:00PM Mar 25, 2024Observed: 2.19 ft at 10:15PM Mar 25, 2024Observed: 2.18 ft at 10:30PM Mar 25, 2024Observed: 2.18 ft at 10:45PM Mar 25, 2024Observed: 2.18 ft at 11:00PM Mar 25, 2024Observed: 2.18 ft at 11:15PM Mar 25, 2024Observed: 2.18 ft at 11:30PM Mar 25, 2024Observed: 2.18 ft at 11:45PM Mar 25, 2024Observed: 2.18 ft at 12:00AM Mar 26, 2024Observed: 2.18 ft at 12:15AM Mar 26, 2024Observed: 2.18 ft at 12:30AM Mar 26, 2024Observed: 2.18 ft at 12:45AM Mar 26, 2024Observed: 2.18 ft at 1:00AM Mar 26, 2024Observed: 2.18 ft at 1:15AM Mar 26, 2024Observed: 2.18 ft at 1:30AM Mar 26, 2024Observed: 2.18 ft at 1:45AM Mar 26, 2024Observed: 2.18 ft at 2:00AM Mar 26, 2024Observed: 2.18 ft at 2:15AM Mar 26, 2024Observed: 2.18 ft at 2:30AM Mar 26, 2024Observed: 2.18 ft at 2:45AM Mar 26, 2024Observed: 2.18 ft at 3:00AM Mar 26, 2024Observed: 2.19 ft at 3:15AM Mar 26, 2024Observed: 2.18 ft at 3:30AM Mar 26, 2024Observed: 2.18 ft at 3:45AM Mar 26, 2024Observed: 2.18 ft at 4:00AM Mar 26, 2024Observed: 2.18 ft at 4:15AM Mar 26, 2024Observed: 2.18 ft at 4:30AM Mar 26, 2024Observed: 2.18 ft at 4:45AM Mar 26, 2024Observed: 2.18 ft at 5:00AM Mar 26, 2024Observed: 2.18 ft at 5:15AM Mar 26, 2024Observed: 2.18 ft at 5:30AM Mar 26, 2024Observed: 2.18 ft at 5:45AM Mar 26, 2024Observed: 2.18 ft at 6:00AM Mar 26, 2024Observed: 2.18 ft at 6:15AM Mar 26, 2024Observed: 2.18 ft at 6:30AM Mar 26, 2024Observed: 2.18 ft at 6:45AM Mar 26, 2024Observed: 2.18 ft at 7:00AM Mar 26, 2024Observed: 2.18 ft at 7:15AM Mar 26, 2024Observed: 2.18 ft at 7:30AM Mar 26, 2024Observed: 2.18 ft at 7:45AM Mar 26, 2024Observed: 2.18 ft at 8:00AM Mar 26, 2024Observed: 2.18 ft at 8:15AM Mar 26, 2024Observed: 2.18 ft at 8:30AM Mar 26, 2024Observed: 2.18 ft at 8:45AM Mar 26, 2024Observed: 2.18 ft at 9:00AM Mar 26, 2024Observed: 2.18 ft at 9:15AM Mar 26, 2024Observed: 2.18 ft at 9:30AM Mar 26, 2024Observed: 2.18 ft at 9:45AM Mar 26, 2024Observed: 2.18 ft at 10:00AM Mar 26, 2024Observed: 2.18 ft at 10:15AM Mar 26, 2024Observed: 2.18 ft at 10:30AM Mar 26, 2024Observed: 2.18 ft at 10:45AM Mar 26, 2024Observed: 2.18 ft at 11:00AM Mar 26, 2024Observed: 2.18 ft at 11:15AM Mar 26, 2024Observed: 2.18 ft at 11:30AM Mar 26, 2024Observed: 2.18 ft at 11:45AM Mar 26, 2024Observed: 2.18 ft at 12:00PM Mar 26, 2024Observed: 2.18 ft at 12:15PM Mar 26, 2024Observed: 2.18 ft at 12:30PM Mar 26, 2024Observed: 2.18 ft at 12:45PM Mar 26, 2024Observed: 2.18 ft at 1:00PM Mar 26, 2024Observed: 2.18 ft at 1:15PM Mar 26, 2024Observed: 2.18 ft at 1:30PM Mar 26, 2024Observed: 2.18 ft at 1:45PM Mar 26, 2024Observed: 2.18 ft at 2:00PM Mar 26, 2024Observed: 2.18 ft at 2:15PM Mar 26, 2024Observed: 2.18 ft at 2:30PM Mar 26, 2024Observed: 2.18 ft at 2:45PM Mar 26, 2024Observed: 2.18 ft at 3:00PM Mar 26, 2024Observed: 2.18 ft at 3:15PM Mar 26, 2024Observed: 2.18 ft at 3:30PM Mar 26, 2024Observed: 2.18 ft at 3:45PM Mar 26, 2024Observed: 2.18 ft at 4:00PM Mar 26, 2024Observed: 2.18 ft at 4:15PM Mar 26, 2024Observed: 2.18 ft at 4:30PM Mar 26, 2024Observed: 2.18 ft at 4:45PM Mar 26, 2024Observed: 2.18 ft at 5:00PM Mar 26, 2024Observed: 2.18 ft at 5:15PM Mar 26, 2024Observed: 2.18 ft at 5:30PM Mar 26, 2024Observed: 2.19 ft at 5:45PM Mar 26, 2024Observed: 2.19 ft at 6:00PM Mar 26, 2024Observed: 2.19 ft at 6:15PM Mar 26, 2024Observed: 2.19 ft at 6:30PM Mar 26, 2024Observed: 2.19 ft at 6:45PM Mar 26, 2024Observed: 2.19 ft at 7:00PM Mar 26, 2024Observed: 2.19 ft at 7:15PM Mar 26, 2024Observed: 2.19 ft at 7:30PM Mar 26, 2024Highest Observation: 2.2 ft at 7:45PM Mar 26, 2024Highest Observation: 2.2 ft at 8:00PM Mar 26, 2024Highest Observation: 2.2 ft at 8:15PM Mar 26, 2024Highest Observation: 2.2 ft at 8:30PM Mar 26, 2024Highest Observation: 2.2 ft at 8:45PM Mar 26, 2024Highest Observation: 2.2 ft at 9:00PM Mar 26, 2024Observed: 2.19 ft at 9:15PM Mar 26, 2024Highest Observation: 2.2 ft at 9:30PM Mar 26, 2024Observed: 2.19 ft at 9:45PM Mar 26, 2024Highest Observation: 2.2 ft at 10:00PM Mar 26, 2024Observed: 2.19 ft at 10:15PM Mar 26, 2024Observed: 2.19 ft at 10:30PM Mar 26, 2024Observed: 2.19 ft at 10:45PM Mar 26, 2024Observed: 2.19 ft at 11:00PM Mar 26, 2024Observed: 2.19 ft at 11:15PM Mar 26, 2024Observed: 2.19 ft at 11:30PM Mar 26, 2024Observed: 2.19 ft at 11:45PM Mar 26, 2024Observed: 2.19 ft at 12:00AM Mar 27, 2024Observed: 2.18 ft at 12:15AM Mar 27, 2024Observed: 2.19 ft at 12:30AM Mar 27, 2024Observed: 2.19 ft at 12:45AM Mar 27, 2024Observed: 2.19 ft at 1:00AM Mar 27, 2024Observed: 2.19 ft at 1:15AM Mar 27, 2024Observed: 2.19 ft at 1:30AM Mar 27, 2024Observed: 2.19 ft at 1:45AM Mar 27, 2024Observed: 2.19 ft at 2:00AM Mar 27, 2024Observed: 2.19 ft at 2:15AM Mar 27, 2024Observed: 2.19 ft at 2:30AM Mar 27, 2024Observed: 2.18 ft at 2:45AM Mar 27, 2024Observed: 2.18 ft at 3:00AM Mar 27, 2024Observed: 2.19 ft at 3:15AM Mar 27, 2024Observed: 2.18 ft at 3:30AM Mar 27, 2024Observed: 2.19 ft at 3:45AM Mar 27, 2024Observed: 2.19 ft at 4:00AM Mar 27, 2024Observed: 2.18 ft at 4:15AM Mar 27, 2024Observed: 2.18 ft at 4:30AM Mar 27, 2024Observed: 2.19 ft at 4:45AM Mar 27, 2024Observed: 2.19 ft at 5:00AM Mar 27, 2024Observed: 2.19 ft at 5:15AM Mar 27, 2024Observed: 2.19 ft at 5:30AM Mar 27, 2024Observed: 2.19 ft at 5:45AM Mar 27, 2024Observed: 2.19 ft at 6:00AM Mar 27, 2024Observed: 2.19 ft at 6:15AM Mar 27, 2024Observed: 2.19 ft at 6:30AM Mar 27, 2024Observed: 2.19 ft at 6:45AM Mar 27, 2024Observed: 2.19 ft at 7:00AM Mar 27, 2024Observed: 2.18 ft at 7:15AM Mar 27, 2024Observed: 2.19 ft at 7:30AM Mar 27, 2024Observed: 2.19 ft at 7:45AM Mar 27, 2024Observed: 2.18 ft at 8:00AM Mar 27, 2024Observed: 2.18 ft at 8:15AM Mar 27, 2024Observed: 2.18 ft at 8:30AM Mar 27, 2024Observed: 2.18 ft at 8:45AM Mar 27, 2024Observed: 2.18 ft at 9:00AM Mar 27, 2024Observed: 2.18 ft at 9:15AM Mar 27, 2024Observed: 2.18 ft at 9:30AM Mar 27, 2024Observed: 2.18 ft at 9:45AM Mar 27, 2024Observed: 2.18 ft at 10:00AM Mar 27, 2024Observed: 2.18 ft at 10:15AM Mar 27, 2024Observed: 2.18 ft at 10:30AM Mar 27, 2024Observed: 2.18 ft at 10:45AM Mar 27, 2024Observed: 2.18 ft at 11:00AM Mar 27, 2024Observed: 2.18 ft at 11:15AM Mar 27, 2024Observed: 2.18 ft at 11:30AM Mar 27, 2024Observed: 2.18 ft at 11:45AM Mar 27, 2024Observed: 2.18 ft at 12:00PM Mar 27, 2024Observed: 2.18 ft at 12:15PM Mar 27, 2024Observed: 2.18 ft at 12:30PM Mar 27, 2024Observed: 2.18 ft at 12:45PM Mar 27, 2024Observed: 2.18 ft at 1:00PM Mar 27, 2024Observed: 2.18 ft at 1:15PM Mar 27, 2024Observed: 2.18 ft at 1:30PM Mar 27, 2024Observed: 2.18 ft at 1:45PM Mar 27, 2024Observed: 2.18 ft at 2:00PM Mar 27, 2024Observed: 2.18 ft at 2:15PM Mar 27, 2024Observed: 2.18 ft at 2:30PM Mar 27, 2024Observed: 2.18 ft at 2:45PM Mar 27, 2024Observed: 2.18 ft at 3:00PM Mar 27, 2024Observed: 2.18 ft at 3:15PM Mar 27, 2024Observed: 2.18 ft at 3:30PM Mar 27, 2024Observed: 2.18 ft at 3:45PM Mar 27, 2024Observed: 2.18 ft at 4:00PM Mar 27, 2024Observed: 2.18 ft at 4:15PM Mar 27, 2024Observed: 2.18 ft at 4:30PM Mar 27, 2024Observed: 2.18 ft at 4:45PM Mar 27, 2024Observed: 2.18 ft at 5:00PM Mar 27, 2024Observed: 2.18 ft at 5:15PM Mar 27, 2024Observed: 2.18 ft at 5:30PM Mar 27, 2024Observed: 2.18 ft at 5:45PM Mar 27, 2024Observed: 2.18 ft at 6:00PM Mar 27, 2024Observed: 2.18 ft at 6:15PM Mar 27, 2024Observed: 2.18 ft at 6:30PM Mar 27, 2024Observed: 2.18 ft at 6:45PM Mar 27, 2024Observed: 2.18 ft at 7:00PM Mar 27, 2024Observed: 2.18 ft at 7:15PM Mar 27, 2024Observed: 2.18 ft at 7:30PM Mar 27, 2024Observed: 2.18 ft at 7:45PM Mar 27, 2024Observed: 2.18 ft at 8:00PM Mar 27, 2024Observed: 2.18 ft at 8:15PM Mar 27, 2024Observed: 2.18 ft at 8:30PM Mar 27, 2024Observed: 2.18 ft at 8:45PM Mar 27, 2024Observed: 2.18 ft at 9:00PM Mar 27, 2024Observed: 2.18 ft at 9:15PM Mar 27, 2024Observed: 2.18 ft at 9:30PM Mar 27, 2024Observed: 2.18 ft at 9:45PM Mar 27, 2024Observed: 2.18 ft at 10:00PM Mar 27, 2024Observed: 2.18 ft at 10:15PM Mar 27, 2024Observed: 2.18 ft at 10:30PM Mar 27, 2024Observed: 2.18 ft at 10:45PM Mar 27, 2024Observed: 2.18 ft at 11:00PM Mar 27, 2024Observed: 2.18 ft at 11:15PM Mar 27, 2024Observed: 2.18 ft at 11:30PM Mar 27, 2024Observed: 2.18 ft at 11:45PM Mar 27, 2024Observed: 2.18 ft at 12:00AM Mar 28, 2024Observed: 2.18 ft at 12:15AM Mar 28, 2024Observed: 2.18 ft at 12:30AM Mar 28, 2024Observed: 2.18 ft at 12:45AM Mar 28, 2024Observed: 2.18 ft at 1:00AM Mar 28, 2024Observed: 2.18 ft at 1:15AM Mar 28, 2024Observed: 2.18 ft at 1:30AM Mar 28, 2024Observed: 2.18 ft at 1:45AM Mar 28, 2024Observed: 2.18 ft at 2:00AM Mar 28, 2024Observed: 2.18 ft at 2:15AM Mar 28, 2024Observed: 2.18 ft at 2:30AM Mar 28, 2024Observed: 2.18 ft at 2:45AM Mar 28, 2024Observed: 2.17 ft at 3:00AM Mar 28, 2024Observed: 2.18 ft at 3:15AM Mar 28, 2024Observed: 2.18 ft at 3:30AM Mar 28, 2024Observed: 2.18 ft at 3:45AM Mar 28, 2024Observed: 2.17 ft at 4:00AM Mar 28, 2024Observed: 2.17 ft at 4:15AM Mar 28, 2024Observed: 2.18 ft at 4:30AM Mar 28, 2024Observed: 2.17 ft at 4:45AM Mar 28, 2024Observed: 2.17 ft at 5:00AM Mar 28, 2024Observed: 2.17 ft at 5:15AM Mar 28, 2024Observed: 2.17 ft at 5:30AM Mar 28, 2024Observed: 2.17 ft at 5:45AM Mar 28, 2024Observed: 2.18 ft at 6:00AM Mar 28, 2024Observed: 2.17 ft at 6:15AM Mar 28, 2024Observed: 2.18 ft at 6:30AM Mar 28, 2024Observed: 2.18 ft at 6:45AM Mar 28, 2024Observed: 2.17 ft at 7:00AM Mar 28, 2024Observed: 2.17 ft at 7:15AM Mar 28, 2024Observed: 2.17 ft at 7:30AM Mar 28, 2024Observed: 2.17 ft at 7:45AM Mar 28, 2024Observed: 2.17 ft at 8:00AM Mar 28, 2024Observed: 2.17 ft at 8:15AM Mar 28, 2024Observed: 2.17 ft at 8:30AM Mar 28, 2024Observed: 2.17 ft at 8:45AM Mar 28, 2024Observed: 2.17 ft at 9:00AM Mar 28, 2024Observed: 2.17 ft at 9:15AM Mar 28, 2024Observed: 2.17 ft at 9:30AM Mar 28, 2024Observed: 2.17 ft at 9:45AM Mar 28, 2024Observed: 2.18 ft at 10:00AM Mar 28, 2024Observed: 2.17 ft at 10:15AM Mar 28, 2024Observed: 2.17 ft at 10:30AM Mar 28, 2024Observed: 2.17 ft at 10:45AM Mar 28, 2024Observed: 2.17 ft at 11:00AM Mar 28, 2024Observed: 2.17 ft at 11:15AM Mar 28, 2024Observed: 2.16 ft at 11:30AM Mar 28, 2024Observed: 2.15 ft at 11:45AM Mar 28, 2024Observed: 2.15 ft at 12:00PM Mar 28, 2024Observed: 2.15 ft at 12:15PM Mar 28, 2024Observed: 2.15 ft at 12:30PM Mar 28, 2024Observed: 2.15 ft at 12:45PM Mar 28, 2024Observed: 2.15 ft at 1:00PM Mar 28, 2024Observed: 2.15 ft at 1:15PM Mar 28, 2024Observed: 2.15 ft at 1:30PM Mar 28, 2024Observed: 2.15 ft at 1:45PM Mar 28, 2024Observed: 2.15 ft at 2:00PM Mar 28, 2024Observed: 2.15 ft at 2:15PM Mar 28, 2024Observed: 2.15 ft at 2:30PM Mar 28, 2024Observed: 2.15 ft at 2:45PM Mar 28, 2024Observed: 2.14 ft at 3:00PM Mar 28, 2024Observed: 2.14 ft at 3:15PM Mar 28, 2024Observed: 2.14 ft at 3:30PM Mar 28, 2024Observed: 2.14 ft at 3:45PM Mar 28, 2024Observed: 2.14 ft at 4:00PM Mar 28, 2024Observed: 2.15 ft at 4:15PM Mar 28, 2024Observed: 2.14 ft at 4:30PM Mar 28, 2024Observed: 2.15 ft at 4:45PM Mar 28, 2024Observed: 2.14 ft at 5:00PM Mar 28, 2024Observed: 2.15 ft at 5:15PM Mar 28, 2024Observed: 2.15 ft at 5:30PM Mar 28, 2024Observed: 2.14 ft at 5:45PM Mar 28, 2024Observed: 2.15 ft at 6:00PM Mar 28, 2024Observed: 2.14 ft at 6:15PM Mar 28, 2024Observed: 2.14 ft at 6:30PM Mar 28, 2024Observed: 2.14 ft at 6:45PM Mar 28, 2024Observed: 2.15 ft at 7:00PM Mar 28, 2024Observed: 2.14 ft at 7:15PM Mar 28, 2024Observed: 2.15 ft at 7:30PM Mar 28, 2024Observed: 2.14 ft at 7:45PM Mar 28, 2024Observed: 2.15 ft at 8:00PM Mar 28, 2024Observed: 2.15 ft at 8:15PM Mar 28, 2024Observed: 2.15 ft at 8:30PM Mar 28, 2024Observed: 2.15 ft at 8:45PM Mar 28, 2024Observed: 2.14 ft at 9:00PM Mar 28, 2024Observed: 2.15 ft at 9:15PM Mar 28, 2024Observed: 2.15 ft at 9:30PM Mar 28, 2024Observed: 2.15 ft at 9:45PM Mar 28, 2024Observed: 2.15 ft at 10:00PM Mar 28, 2024Observed: 2.15 ft at 10:15PM Mar 28, 2024Observed: 2.15 ft at 10:30PM Mar 28, 2024Observed: 2.15 ft at 10:45PM Mar 28, 2024Observed: 2.14 ft at 11:00PM Mar 28, 2024Observed: 2.15 ft at 11:15PM Mar 28, 2024Observed: 2.14 ft at 11:30PM Mar 28, 2024Observed: 2.14 ft at 11:45PM Mar 28, 2024Observed: 2.15 ft at 12:00AM Mar 29, 2024Observed: 2.14 ft at 12:15AM Mar 29, 2024Observed: 2.15 ft at 12:30AM Mar 29, 2024Observed: 2.14 ft at 12:45AM Mar 29, 2024Observed: 2.15 ft at 1:00AM Mar 29, 2024Observed: 2.15 ft at 1:15AM Mar 29, 2024Observed: 2.15 ft at 1:30AM Mar 29, 2024Observed: 2.14 ft at 1:45AM Mar 29, 2024Observed: 2.15 ft at 2:00AM Mar 29, 2024Observed: 2.15 ft at 2:15AM Mar 29, 2024Observed: 2.15 ft at 2:30AM Mar 29, 2024Observed: 2.14 ft at 2:45AM Mar 29, 2024Observed: 2.15 ft at 3:00AM Mar 29, 2024Observed: 2.15 ft at 3:15AM Mar 29, 2024Observed: 2.15 ft at 3:30AM Mar 29, 2024Observed: 2.15 ft at 3:45AM Mar 29, 2024Observed: 2.15 ft at 4:00AM Mar 29, 2024Observed: 2.15 ft at 4:15AM Mar 29, 2024Observed: 2.15 ft at 4:30AM Mar 29, 2024Observed: 2.15 ft at 4:45AM Mar 29, 2024Observed: 2.15 ft at 5:00AM Mar 29, 2024Observed: 2.15 ft at 5:15AM Mar 29, 2024Observed: 2.15 ft at 5:30AM Mar 29, 2024Observed: 2.15 ft at 5:45AM Mar 29, 2024Observed: 2.14 ft at 6:00AM Mar 29, 2024Observed: 2.15 ft at 6:15AM Mar 29, 2024Observed: 2.15 ft at 6:30AM Mar 29, 2024Observed: 2.15 ft at 6:45AM Mar 29, 2024Observed: 2.15 ft at 7:00AM Mar 29, 2024Observed: 2.15 ft at 7:15AM Mar 29, 2024Observed: 2.15 ft at 7:30AM Mar 29, 2024Observed: 2.15 ft at 7:45AM Mar 29, 2024Observed: 2.15 ft at 8:00AM Mar 29, 2024Forecast: 2.1 ft 2:00PM Mar 29, 2024Forecast: 2.1 ft 8:00PM Mar 29, 2024Forecast: 2.1 ft 2:00AM Mar 30, 2024Forecast: 2.1 ft 8:00AM Mar 30, 2024Highest Forecast: 2.2 ft 2:00PM Mar 30, 2024Highest Forecast: 2.2 ft 8:00PM Mar 30, 2024Highest Forecast: 2.2 ft 2:00AM Mar 31, 2024Forecast: 2.1 ft 8:00AM Mar 31, 2024USGS--Water Resources of the United StatesLUKM2(plotting HGIRG) Graph Created (8:41AM Mar 29, 2024)ObservedForecast (issued 10:10AM Mar 28)Latest observed value: 2.15 ft at 8:00 AM EDT 29-Mar-2024. Flood Stage is 10.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts for the North Branch Potomac River at Luke are issued routinely year-round.

Return to Area Map
Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Cumberland
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 12.5
Flood Stage: 10.5
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 17.15 ft on 10/15/1954
(2) 17.00 ft on 03/25/1924
(3) 16.76 ft on 03/17/1936
(4) 15.53 ft on 08/17/1955
(5) 14.87 ft on 07/03/1978
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.49 ft on 05/11/2003
(2) 10.26 ft on 09/07/1996
(3) 9.83 ft on 04/01/1993
(4) 9.76 ft on 05/06/1988
(5) 9.72 ft on 04/05/1984
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
20 Water overtops the railroad bridges at the old paper mill.
17 Levees protect the old paper mill at Luke up to approximately this level. If water reaches the top of the levee, water may affect structures.
16 Water reaches the railroad tracks in the town of Westernport.
15 Significant flooding is occurring in Westernport and Piedmont, with buildings and roads flooded.
13.5 Maryland Route 135 begins to flood west of the town of Luke. Water also reaches the underside of railroad bridges near the old paper mill.
12.5 Backwater from the Potomac begins to flood the town of Westernport. Portions of Maryland Route 135 east of downtown may be affected, and water will approach Westernport Elementary School. This flooding will be more severe if Georges Creek is also in flood.
12 Floodwaters begin to affect portions of Piedmont, West Virginia.
10.5 If water levels are elevated on Georges Creek, a combination of the creek and backwater from the Potomac will begin to flood the town of Westernport. Portions of Maryland Route 135 may be affected, and water will approach Westernport Elementary School.
7 Water begins to flow over the dam near the old paper mill in Luke. No flooding is occurring.
About This Location Collapse

Latitude: 39.478889° N, Longitude: 79.063889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10.5 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 29 944.22 ft 954.72 ft 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.

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
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(571) 888-3500
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities