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Hydrograph River at a Glance Download
Potomac River at Edwards Ferry Stage (ft)Observed: 5.22 ft at 6:30PM Apr 25, 2017Observed: 5.22 ft at 6:45PM Apr 25, 2017Observed: 5.22 ft at 7:00PM Apr 25, 2017Observed: 5.22 ft at 7:15PM Apr 25, 2017Observed: 5.24 ft at 7:30PM Apr 25, 2017Observed: 5.24 ft at 7:45PM Apr 25, 2017Observed: 5.23 ft at 8:15PM Apr 25, 2017Observed: 5.24 ft at 8:30PM Apr 25, 2017Observed: 5.24 ft at 8:45PM Apr 25, 2017Observed: 5.24 ft at 9:00PM Apr 25, 2017Observed: 5.25 ft at 9:15PM Apr 25, 2017Observed: 5.26 ft at 9:30PM Apr 25, 2017Observed: 5.25 ft at 9:45PM Apr 25, 2017Observed: 5.26 ft at 10:00PM Apr 25, 2017Observed: 5.26 ft at 10:15PM Apr 25, 2017Observed: 5.26 ft at 10:30PM Apr 25, 2017Observed: 5.26 ft at 10:45PM Apr 25, 2017Observed: 5.26 ft at 11:00PM Apr 25, 2017Observed: 5.26 ft at 11:15PM Apr 25, 2017Observed: 5.26 ft at 11:30PM Apr 25, 2017Observed: 5.27 ft at 11:45PM Apr 25, 2017Observed: 5.27 ft at 12:00AM Apr 26, 2017Observed: 5.27 ft at 12:15AM Apr 26, 2017Observed: 5.27 ft at 12:30AM Apr 26, 2017Observed: 5.27 ft at 12:45AM Apr 26, 2017Observed: 5.27 ft at 1:00AM Apr 26, 2017Observed: 5.28 ft at 1:15AM Apr 26, 2017Observed: 5.28 ft at 1:30AM Apr 26, 2017Observed: 5.28 ft at 1:45AM Apr 26, 2017Observed: 5.28 ft at 2:00AM Apr 26, 2017Observed: 5.28 ft at 2:15AM Apr 26, 2017Observed: 5.28 ft at 2:30AM Apr 26, 2017Observed: 5.28 ft at 2:45AM Apr 26, 2017Observed: 5.28 ft at 3:00AM Apr 26, 2017Observed: 5.28 ft at 3:15AM Apr 26, 2017Observed: 5.29 ft at 3:30AM Apr 26, 2017Observed: 5.29 ft at 3:45AM Apr 26, 2017Observed: 5.29 ft at 4:00AM Apr 26, 2017Observed: 5.29 ft at 4:15AM Apr 26, 2017Observed: 5.29 ft at 4:30AM Apr 26, 2017Observed: 5.3 ft at 4:45AM Apr 26, 2017Observed: 5.29 ft at 5:00AM Apr 26, 2017Observed: 5.3 ft at 5:15AM Apr 26, 2017Observed: 5.3 ft at 5:30AM Apr 26, 2017Observed: 5.3 ft at 5:45AM Apr 26, 2017Observed: 5.3 ft at 6:00AM Apr 26, 2017Observed: 5.3 ft at 6:15AM Apr 26, 2017Observed: 5.3 ft at 6:30AM Apr 26, 2017Observed: 5.3 ft at 6:45AM Apr 26, 2017Observed: 5.3 ft at 7:00AM Apr 26, 2017Observed: 5.3 ft at 7:15AM Apr 26, 2017Observed: 5.31 ft at 7:30AM Apr 26, 2017Observed: 5.31 ft at 7:45AM Apr 26, 2017Observed: 5.31 ft at 8:00AM Apr 26, 2017Observed: 5.31 ft at 8:15AM Apr 26, 2017Observed: 5.31 ft at 8:30AM Apr 26, 2017Observed: 5.31 ft at 8:45AM Apr 26, 2017Observed: 5.31 ft at 9:00AM Apr 26, 2017Observed: 5.32 ft at 9:15AM Apr 26, 2017Observed: 5.32 ft at 9:30AM Apr 26, 2017Observed: 5.32 ft at 9:45AM Apr 26, 2017Observed: 5.33 ft at 10:00AM Apr 26, 2017Observed: 5.33 ft at 10:15AM Apr 26, 2017Observed: 5.33 ft at 10:30AM Apr 26, 2017Observed: 5.33 ft at 10:45AM Apr 26, 2017Observed: 5.34 ft at 11:00AM Apr 26, 2017Observed: 5.34 ft at 11:15AM Apr 26, 2017Observed: 5.35 ft at 11:30AM Apr 26, 2017Observed: 5.35 ft at 11:45AM Apr 26, 2017Observed: 5.35 ft at 12:00PM Apr 26, 2017Observed: 5.35 ft at 12:15PM Apr 26, 2017Observed: 5.36 ft at 12:30PM Apr 26, 2017Observed: 5.36 ft at 12:45PM Apr 26, 2017Observed: 5.37 ft at 1:00PM Apr 26, 2017Observed: 5.38 ft at 1:15PM Apr 26, 2017Observed: 5.38 ft at 1:30PM Apr 26, 2017Observed: 5.38 ft at 1:45PM Apr 26, 2017Observed: 5.39 ft at 2:00PM Apr 26, 2017Observed: 5.4 ft at 2:15PM Apr 26, 2017Observed: 5.4 ft at 2:30PM Apr 26, 2017Observed: 5.41 ft at 2:45PM Apr 26, 2017Observed: 5.41 ft at 3:00PM Apr 26, 2017Observed: 5.42 ft at 3:15PM Apr 26, 2017Observed: 5.43 ft at 3:30PM Apr 26, 2017Observed: 5.43 ft at 3:45PM Apr 26, 2017Observed: 5.44 ft at 4:00PM Apr 26, 2017Observed: 5.45 ft at 4:15PM Apr 26, 2017Observed: 5.46 ft at 4:30PM Apr 26, 2017Observed: 5.46 ft at 4:45PM Apr 26, 2017Observed: 5.47 ft at 5:00PM Apr 26, 2017Observed: 5.47 ft at 5:15PM Apr 26, 2017Observed: 5.49 ft at 5:30PM Apr 26, 2017Observed: 5.49 ft at 5:45PM Apr 26, 2017Observed: 5.51 ft at 6:00PM Apr 26, 2017Observed: 5.51 ft at 6:15PM Apr 26, 2017Observed: 5.52 ft at 6:30PM Apr 26, 2017Observed: 5.53 ft at 6:45PM Apr 26, 2017Observed: 5.54 ft at 7:00PM Apr 26, 2017Observed: 5.56 ft at 7:15PM Apr 26, 2017Observed: 5.56 ft at 7:30PM Apr 26, 2017Observed: 5.57 ft at 7:45PM Apr 26, 2017Observed: 5.6 ft at 8:00PM Apr 26, 2017Observed: 5.63 ft at 8:15PM Apr 26, 2017Observed: 5.65 ft at 8:30PM Apr 26, 2017Observed: 5.66 ft at 8:45PM Apr 26, 2017Observed: 5.67 ft at 9:00PM Apr 26, 2017Observed: 5.69 ft at 9:15PM Apr 26, 2017Observed: 5.69 ft at 9:30PM Apr 26, 2017Observed: 5.69 ft at 9:45PM Apr 26, 2017Observed: 5.7 ft at 10:00PM Apr 26, 2017Observed: 5.7 ft at 10:15PM Apr 26, 2017Observed: 5.71 ft at 10:30PM Apr 26, 2017Observed: 5.71 ft at 10:45PM Apr 26, 2017Observed: 5.72 ft at 11:00PM Apr 26, 2017Observed: 5.73 ft at 11:15PM Apr 26, 2017Observed: 5.74 ft at 11:30PM Apr 26, 2017Observed: 5.75 ft at 11:45PM Apr 26, 2017Observed: 5.77 ft at 12:00AM Apr 27, 2017Observed: 5.78 ft at 12:15AM Apr 27, 2017Observed: 5.79 ft at 12:30AM Apr 27, 2017Observed: 5.81 ft at 12:45AM Apr 27, 2017Observed: 5.82 ft at 1:00AM Apr 27, 2017Observed: 5.83 ft at 1:15AM Apr 27, 2017Observed: 5.84 ft at 1:30AM Apr 27, 2017Observed: 5.86 ft at 1:45AM Apr 27, 2017Observed: 5.87 ft at 2:00AM Apr 27, 2017Observed: 5.89 ft at 2:15AM Apr 27, 2017Observed: 5.91 ft at 2:30AM Apr 27, 2017Observed: 5.92 ft at 2:45AM Apr 27, 2017Observed: 5.94 ft at 3:00AM Apr 27, 2017Observed: 5.96 ft at 3:15AM Apr 27, 2017Observed: 5.98 ft at 3:30AM Apr 27, 2017Observed: 6 ft at 3:45AM Apr 27, 2017Observed: 6.02 ft at 4:00AM Apr 27, 2017Observed: 6.04 ft at 4:15AM Apr 27, 2017Observed: 6.05 ft at 4:30AM Apr 27, 2017Observed: 6.08 ft at 4:45AM Apr 27, 2017Observed: 6.1 ft at 5:00AM Apr 27, 2017Observed: 6.13 ft at 5:15AM Apr 27, 2017Observed: 6.15 ft at 5:30AM Apr 27, 2017Observed: 6.17 ft at 5:45AM Apr 27, 2017Observed: 6.2 ft at 6:00AM Apr 27, 2017Observed: 6.23 ft at 6:15AM Apr 27, 2017Observed: 6.26 ft at 6:30AM Apr 27, 2017Observed: 6.29 ft at 6:45AM Apr 27, 2017Observed: 6.32 ft at 7:00AM Apr 27, 2017Observed: 6.35 ft at 7:15AM Apr 27, 2017Observed: 6.39 ft at 7:30AM Apr 27, 2017Observed: 6.42 ft at 7:45AM Apr 27, 2017Observed: 6.45 ft at 8:00AM Apr 27, 2017Observed: 6.49 ft at 8:15AM Apr 27, 2017Observed: 6.52 ft at 8:30AM Apr 27, 2017Observed: 6.56 ft at 8:45AM Apr 27, 2017Observed: 6.59 ft at 9:00AM Apr 27, 2017Observed: 6.63 ft at 9:15AM Apr 27, 2017Observed: 6.67 ft at 9:30AM Apr 27, 2017Observed: 6.7 ft at 9:45AM Apr 27, 2017Observed: 6.74 ft at 10:00AM Apr 27, 2017Observed: 6.77 ft at 10:15AM Apr 27, 2017Observed: 6.81 ft at 10:30AM Apr 27, 2017Observed: 6.84 ft at 10:45AM Apr 27, 2017Observed: 6.88 ft at 11:00AM Apr 27, 2017Observed: 6.91 ft at 11:15AM Apr 27, 2017Observed: 6.96 ft at 11:30AM Apr 27, 2017Observed: 6.99 ft at 11:45AM Apr 27, 2017Observed: 7.24 ft at 2:00PM Apr 27, 2017Observed: 7.27 ft at 2:15PM Apr 27, 2017Observed: 7.29 ft at 2:30PM Apr 27, 2017Observed: 7.32 ft at 2:45PM Apr 27, 2017Observed: 7.35 ft at 3:00PM Apr 27, 2017Observed: 7.37 ft at 3:15PM Apr 27, 2017Observed: 7.39 ft at 3:30PM Apr 27, 2017Observed: 7.41 ft at 3:45PM Apr 27, 2017Observed: 7.44 ft at 4:00PM Apr 27, 2017Observed: 7.45 ft at 4:15PM Apr 27, 2017Observed: 7.48 ft at 4:30PM Apr 27, 2017Observed: 7.48 ft at 4:45PM Apr 27, 2017Observed: 7.5 ft at 5:00PM Apr 27, 2017Observed: 7.51 ft at 5:15PM Apr 27, 2017Observed: 7.53 ft at 5:30PM Apr 27, 2017Observed: 7.55 ft at 5:45PM Apr 27, 2017Observed: 7.56 ft at 6:00PM Apr 27, 2017Observed: 7.57 ft at 6:15PM Apr 27, 2017Observed: 7.58 ft at 6:30PM Apr 27, 2017Observed: 7.59 ft at 6:45PM Apr 27, 2017Observed: 7.61 ft at 7:00PM Apr 27, 2017Observed: 7.63 ft at 7:15PM Apr 27, 2017Observed: 7.65 ft at 7:30PM Apr 27, 2017Observed: 7.65 ft at 7:45PM Apr 27, 2017Observed: 7.66 ft at 8:00PM Apr 27, 2017Observed: 7.67 ft at 8:15PM Apr 27, 2017Observed: 7.68 ft at 8:30PM Apr 27, 2017Observed: 7.68 ft at 8:45PM Apr 27, 2017Observed: 7.71 ft at 9:00PM Apr 27, 2017Observed: 7.7 ft at 9:15PM Apr 27, 2017Observed: 7.72 ft at 9:30PM Apr 27, 2017Observed: 7.73 ft at 9:45PM Apr 27, 2017Observed: 7.74 ft at 10:00PM Apr 27, 2017Observed: 7.75 ft at 10:15PM Apr 27, 2017Observed: 7.77 ft at 10:30PM Apr 27, 2017Observed: 7.77 ft at 10:45PM Apr 27, 2017Observed: 7.78 ft at 11:00PM Apr 27, 2017Observed: 7.79 ft at 11:15PM Apr 27, 2017Observed: 7.8 ft at 11:30PM Apr 27, 2017Observed: 7.81 ft at 11:45PM Apr 27, 2017Observed: 7.82 ft at 12:00AM Apr 28, 2017Observed: 7.82 ft at 12:15AM Apr 28, 2017Observed: 7.84 ft at 12:30AM Apr 28, 2017Observed: 7.81 ft at 12:45AM Apr 28, 2017Observed: 7.82 ft at 1:00AM Apr 28, 2017Observed: 7.82 ft at 1:15AM Apr 28, 2017Observed: 7.83 ft at 1:30AM Apr 28, 2017Observed: 7.84 ft at 1:45AM Apr 28, 2017Observed: 7.84 ft at 2:00AM Apr 28, 2017Observed: 7.85 ft at 2:15AM Apr 28, 2017Observed: 7.86 ft at 2:30AM Apr 28, 2017Observed: 7.86 ft at 2:45AM Apr 28, 2017Observed: 7.87 ft at 3:00AM Apr 28, 2017Observed: 7.87 ft at 3:15AM Apr 28, 2017Observed: 7.87 ft at 3:30AM Apr 28, 2017Observed: 7.88 ft at 3:45AM Apr 28, 2017Observed: 7.89 ft at 4:00AM Apr 28, 2017Observed: 7.89 ft at 4:15AM Apr 28, 2017Observed: 7.89 ft at 4:30AM Apr 28, 2017Observed: 7.9 ft at 4:45AM Apr 28, 2017Observed: 7.9 ft at 5:00AM Apr 28, 2017Observed: 7.91 ft at 5:15AM Apr 28, 2017Observed: 7.91 ft at 5:30AM Apr 28, 2017Observed: 7.91 ft at 5:45AM Apr 28, 2017Observed: 7.92 ft at 6:00AM Apr 28, 2017Observed: 7.92 ft at 6:15AM Apr 28, 2017Observed: 7.92 ft at 6:30AM Apr 28, 2017Observed: 7.93 ft at 6:45AM Apr 28, 2017Observed: 7.93 ft at 7:00AM Apr 28, 2017Observed: 7.93 ft at 7:15AM Apr 28, 2017Observed: 7.93 ft at 7:30AM Apr 28, 2017Observed: 7.93 ft at 7:45AM Apr 28, 2017Observed: 7.94 ft at 8:00AM Apr 28, 2017Observed: 7.94 ft at 8:15AM Apr 28, 2017Observed: 7.94 ft at 8:30AM Apr 28, 2017Observed: 7.94 ft at 8:45AM Apr 28, 2017Observed: 7.94 ft at 9:00AM Apr 28, 2017Observed: 7.94 ft at 9:15AM Apr 28, 2017Observed: 7.94 ft at 9:30AM Apr 28, 2017Highest Observation: 7.95 ft at 9:45AM Apr 28, 2017Observed: 7.94 ft at 10:00AM Apr 28, 2017Highest Observation: 7.95 ft at 10:15AM Apr 28, 2017Observed: 7.94 ft at 10:30AM Apr 28, 2017Highest Observation: 7.95 ft at 10:45AM Apr 28, 2017Observed: 7.94 ft at 11:00AM Apr 28, 2017Observed: 7.94 ft at 11:15AM Apr 28, 2017Highest Observation: 7.95 ft at 11:30AM Apr 28, 2017Observed: 7.94 ft at 11:45AM Apr 28, 2017Observed: 7.94 ft at 12:00PM Apr 28, 2017Observed: 7.94 ft at 12:15PM Apr 28, 2017Observed: 7.94 ft at 12:30PM Apr 28, 2017Observed: 7.94 ft at 12:45PM Apr 28, 2017Observed: 7.94 ft at 1:00PM Apr 28, 2017Observed: 7.94 ft at 1:15PM Apr 28, 2017Observed: 7.94 ft at 1:30PM Apr 28, 2017Observed: 7.94 ft at 1:45PM Apr 28, 2017Observed: 7.94 ft at 2:00PM Apr 28, 2017Observed: 7.93 ft at 2:15PM Apr 28, 2017Observed: 7.93 ft at 2:30PM Apr 28, 2017Observed: 7.93 ft at 2:45PM Apr 28, 2017Observed: 7.93 ft at 3:00PM Apr 28, 2017Observed: 7.93 ft at 3:15PM Apr 28, 2017Observed: 7.92 ft at 3:30PM Apr 28, 2017Observed: 7.92 ft at 3:45PM Apr 28, 2017Observed: 7.92 ft at 4:00PM Apr 28, 2017Observed: 7.92 ft at 4:15PM Apr 28, 2017Observed: 7.91 ft at 4:30PM Apr 28, 2017Observed: 7.91 ft at 4:45PM Apr 28, 2017Observed: 7.91 ft at 5:00PM Apr 28, 2017Observed: 7.9 ft at 5:15PM Apr 28, 2017Observed: 7.9 ft at 5:30PM Apr 28, 2017Observed: 7.9 ft at 5:45PM Apr 28, 2017Observed: 7.89 ft at 6:00PM Apr 28, 2017Observed: 7.89 ft at 6:15PM Apr 28, 2017Observed: 7.89 ft at 6:30PM Apr 28, 2017Observed: 7.88 ft at 6:45PM Apr 28, 2017Observed: 7.88 ft at 7:00PM Apr 28, 2017Observed: 7.88 ft at 7:15PM Apr 28, 2017Observed: 7.87 ft at 7:30PM Apr 28, 2017Observed: 7.87 ft at 7:45PM Apr 28, 2017Observed: 7.86 ft at 8:00PM Apr 28, 2017Observed: 7.86 ft at 8:15PM Apr 28, 2017Observed: 7.85 ft at 8:30PM Apr 28, 2017Observed: 7.85 ft at 8:45PM Apr 28, 2017Observed: 7.85 ft at 9:00PM Apr 28, 2017Observed: 7.84 ft at 9:15PM Apr 28, 2017Observed: 7.84 ft at 9:30PM Apr 28, 2017Observed: 7.83 ft at 9:45PM Apr 28, 2017Observed: 7.83 ft at 10:00PM Apr 28, 2017Observed: 7.82 ft at 10:15PM Apr 28, 2017Observed: 7.82 ft at 10:30PM Apr 28, 2017Observed: 7.81 ft at 10:45PM Apr 28, 2017Observed: 7.81 ft at 11:00PM Apr 28, 2017Observed: 7.8 ft at 11:15PM Apr 28, 2017Observed: 7.8 ft at 11:30PM Apr 28, 2017Observed: 7.79 ft at 11:45PM Apr 28, 2017Observed: 7.78 ft at 12:00AM Apr 29, 2017Observed: 7.78 ft at 12:15AM Apr 29, 2017Observed: 7.77 ft at 12:30AM Apr 29, 2017Observed: 7.77 ft at 12:45AM Apr 29, 2017Observed: 7.76 ft at 1:00AM Apr 29, 2017Observed: 7.75 ft at 1:15AM Apr 29, 2017Observed: 7.75 ft at 1:30AM Apr 29, 2017Observed: 7.74 ft at 1:45AM Apr 29, 2017Observed: 7.71 ft at 3:00AM Apr 29, 2017Observed: 7.7 ft at 3:15AM Apr 29, 2017Observed: 7.69 ft at 3:30AM Apr 29, 2017Observed: 7.69 ft at 3:45AM Apr 29, 2017Observed: 7.68 ft at 4:00AM Apr 29, 2017Observed: 7.68 ft at 4:15AM Apr 29, 2017Observed: 7.67 ft at 4:30AM Apr 29, 2017Observed: 7.66 ft at 4:45AM Apr 29, 2017Observed: 7.66 ft at 5:00AM Apr 29, 2017Observed: 7.65 ft at 5:15AM Apr 29, 2017Observed: 7.64 ft at 5:30AM Apr 29, 2017Observed: 7.64 ft at 5:45AM Apr 29, 2017Observed: 7.63 ft at 6:00AM Apr 29, 2017Observed: 7.62 ft at 6:15AM Apr 29, 2017Observed: 7.62 ft at 6:30AM Apr 29, 2017Observed: 7.61 ft at 6:45AM Apr 29, 2017Observed: 7.6 ft at 7:00AM Apr 29, 2017Observed: 7.59 ft at 7:15AM Apr 29, 2017Observed: 7.59 ft at 7:30AM Apr 29, 2017Observed: 7.58 ft at 7:45AM Apr 29, 2017Observed: 7.58 ft at 8:00AM Apr 29, 2017Observed: 7.56 ft at 8:15AM Apr 29, 2017Observed: 7.56 ft at 8:30AM Apr 29, 2017Observed: 7.55 ft at 8:45AM Apr 29, 2017Observed: 7.55 ft at 9:00AM Apr 29, 2017Observed: 7.54 ft at 9:15AM Apr 29, 2017Observed: 7.53 ft at 9:30AM Apr 29, 2017Observed: 7.52 ft at 9:45AM Apr 29, 2017Observed: 7.52 ft at 10:00AM Apr 29, 2017Observed: 7.51 ft at 10:15AM Apr 29, 2017Observed: 7.5 ft at 10:30AM Apr 29, 2017Observed: 7.5 ft at 10:45AM Apr 29, 2017Observed: 7.49 ft at 11:00AM Apr 29, 2017Observed: 7.48 ft at 11:15AM Apr 29, 2017Observed: 7.48 ft at 11:30AM Apr 29, 2017Observed: 7.46 ft at 11:45AM Apr 29, 2017Observed: 7.46 ft at 12:00PM Apr 29, 2017Observed: 7.45 ft at 12:15PM Apr 29, 2017Observed: 7.44 ft at 12:30PM Apr 29, 2017Observed: 7.43 ft at 12:45PM Apr 29, 2017Observed: 7.42 ft at 1:00PM Apr 29, 2017Observed: 7.42 ft at 1:15PM Apr 29, 2017Observed: 7.41 ft at 1:30PM Apr 29, 2017Observed: 7.4 ft at 1:45PM Apr 29, 2017Observed: 7.4 ft at 2:00PM Apr 29, 2017Observed: 7.39 ft at 2:15PM Apr 29, 2017Observed: 7.38 ft at 2:30PM Apr 29, 2017Observed: 7.37 ft at 2:45PM Apr 29, 2017Observed: 7.36 ft at 3:00PM Apr 29, 2017Observed: 7.36 ft at 3:15PM Apr 29, 2017Observed: 7.35 ft at 3:30PM Apr 29, 2017Observed: 7.34 ft at 3:45PM Apr 29, 2017Observed: 7.33 ft at 4:00PM Apr 29, 2017Observed: 7.32 ft at 4:15PM Apr 29, 2017Observed: 7.32 ft at 4:30PM Apr 29, 2017Observed: 7.31 ft at 4:45PM Apr 29, 2017Observed: 7.3 ft at 5:00PM Apr 29, 2017Observed: 7.3 ft at 5:15PM Apr 29, 2017Observed: 7.29 ft at 5:30PM Apr 29, 2017Observed: 7.28 ft at 5:45PM Apr 29, 2017Observed: 7.27 ft at 6:00PM Apr 29, 2017Observed: 7.26 ft at 6:15PM Apr 29, 2017Observed: 7.26 ft at 6:30PM Apr 29, 2017Observed: 7.25 ft at 6:45PM Apr 29, 2017Observed: 7.24 ft at 7:00PM Apr 29, 2017Observed: 7.23 ft at 7:15PM Apr 29, 2017Observed: 7.23 ft at 7:30PM Apr 29, 2017Observed: 7.22 ft at 7:45PM Apr 29, 2017Observed: 7.21 ft at 8:00PM Apr 29, 2017Observed: 7.2 ft at 8:15PM Apr 29, 2017Observed: 7.2 ft at 8:30PM Apr 29, 2017Observed: 7.19 ft at 8:45PM Apr 29, 2017Observed: 7.18 ft at 9:00PM Apr 29, 2017Observed: 7.18 ft at 9:15PM Apr 29, 2017Observed: 7.17 ft at 9:30PM Apr 29, 2017Observed: 7.16 ft at 9:45PM Apr 29, 2017Observed: 7.15 ft at 10:00PM Apr 29, 2017Observed: 7.14 ft at 10:15PM Apr 29, 2017Observed: 7.14 ft at 10:30PM Apr 29, 2017Observed: 7.13 ft at 10:45PM Apr 29, 2017Observed: 7.12 ft at 11:00PM Apr 29, 2017Observed: 7.12 ft at 11:15PM Apr 29, 2017Observed: 7.11 ft at 11:30PM Apr 29, 2017Observed: 7.1 ft at 11:45PM Apr 29, 2017Observed: 7.09 ft at 12:00AM Apr 30, 2017Observed: 7.09 ft at 12:15AM Apr 30, 2017Observed: 7.08 ft at 12:30AM Apr 30, 2017Observed: 7.08 ft at 12:45AM Apr 30, 2017Observed: 7.07 ft at 1:00AM Apr 30, 2017Observed: 7.06 ft at 1:15AM Apr 30, 2017Observed: 7.06 ft at 1:30AM Apr 30, 2017Observed: 7.05 ft at 1:45AM Apr 30, 2017Observed: 7.04 ft at 2:00AM Apr 30, 2017Observed: 7.04 ft at 2:15AM Apr 30, 2017Observed: 7.03 ft at 2:30AM Apr 30, 2017Observed: 7.02 ft at 2:45AM Apr 30, 2017Observed: 7.02 ft at 3:00AM Apr 30, 2017Observed: 7.01 ft at 3:15AM Apr 30, 2017Observed: 7 ft at 3:30AM Apr 30, 2017Observed: 7 ft at 3:45AM Apr 30, 2017Observed: 6.99 ft at 4:00AM Apr 30, 2017Observed: 6.99 ft at 4:15AM Apr 30, 2017Observed: 6.98 ft at 4:30AM Apr 30, 2017Observed: 6.98 ft at 4:45AM Apr 30, 2017Observed: 6.97 ft at 5:00AM Apr 30, 2017Observed: 6.96 ft at 5:15AM Apr 30, 2017Observed: 6.96 ft at 5:30AM Apr 30, 2017Observed: 6.95 ft at 5:45AM Apr 30, 2017Observed: 6.93 ft at 7:00AM Apr 30, 2017Observed: 6.92 ft at 7:15AM Apr 30, 2017Observed: 6.92 ft at 7:30AM Apr 30, 2017Observed: 6.91 ft at 7:45AM Apr 30, 2017Observed: 6.91 ft at 8:00AM Apr 30, 2017Observed: 6.9 ft at 8:15AM Apr 30, 2017Observed: 6.9 ft at 8:30AM Apr 30, 2017Observed: 6.89 ft at 8:45AM Apr 30, 2017Observed: 6.87 ft at 9:45AM Apr 30, 2017Observed: 6.86 ft at 10:15AM Apr 30, 2017Observed: 6.86 ft at 10:30AM Apr 30, 2017Observed: 6.85 ft at 10:45AM Apr 30, 2017Observed: 6.85 ft at 11:00AM Apr 30, 2017Observed: 6.84 ft at 11:15AM Apr 30, 2017Observed: 6.84 ft at 11:30AM Apr 30, 2017Observed: 6.83 ft at 11:45AM Apr 30, 2017Observed: 6.83 ft at 12:00PM Apr 30, 2017Observed: 6.82 ft at 12:15PM Apr 30, 2017Observed: 6.82 ft at 12:30PM Apr 30, 2017Observed: 6.81 ft at 12:45PM Apr 30, 2017Observed: 6.81 ft at 1:00PM Apr 30, 2017Observed: 6.8 ft at 1:15PM Apr 30, 2017Observed: 6.8 ft at 1:30PM Apr 30, 2017Observed: 6.8 ft at 1:45PM Apr 30, 2017Observed: 6.79 ft at 2:00PM Apr 30, 2017Observed: 6.78 ft at 2:15PM Apr 30, 2017Observed: 6.78 ft at 2:30PM Apr 30, 2017Observed: 6.78 ft at 2:45PM Apr 30, 2017Observed: 6.75 ft at 3:45PM Apr 30, 2017Observed: 6.75 ft at 4:00PM Apr 30, 2017Observed: 6.74 ft at 4:15PM Apr 30, 2017Observed: 6.74 ft at 4:30PM Apr 30, 2017Observed: 6.74 ft at 4:45PM Apr 30, 2017Observed: 6.73 ft at 5:00PM Apr 30, 2017Observed: 6.73 ft at 5:15PM Apr 30, 2017Observed: 6.73 ft at 5:30PM Apr 30, 2017Observed: 6.72 ft at 5:45PM Apr 30, 2017Highest Forecast: 6.7 ft 8:00PM Apr 30, 2017Forecast: 6.6 ft 2:00AM May 01, 2017Forecast: 6.5 ft 8:00AM May 01, 2017Forecast: 6.5 ft 2:00PM May 01, 2017Forecast: 6.5 ft 8:00PM May 01, 2017Forecast: 6.6 ft 2:00AM May 02, 2017Forecast: 6.5 ft 8:00AM May 02, 2017Forecast: 6.5 ft 2:00PM May 02, 2017Forecast: 6.6 ft 8:00PM May 02, 2017Forecast: 6.6 ft 2:00AM May 03, 2017Highest Forecast: 6.7 ft 8:00AM May 03, 2017USGS--Water Resources of the United StatesEDFM2(plotting HGIRG) Graph Created (6:23PM Apr 30, 2017)ObservedForecast (issued 10:10AM Apr 30)Latest observed value: 6.72 ft at 5:45 PM EDT 30-Apr-2017. Flood Stage is 15 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Potomac River at Edwards Ferry are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Point of Rocks Upstream Gauge Downstream Gauge Downstream Gauge - near Washington DC (Little Falls)
Flood Categories (in feet)
Major Flood Stage: 24
Moderate Flood Stage: 17
Flood Stage: 15
Action Stage: 12.25
Low Stage (in feet): -9999

Historic Crests
(1) 21.09 ft on 05/17/2014
(2) 19.77 ft on 10/31/2012
(3) 17.63 ft on 02/05/2016
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.63 ft on 02/05/2016
(2) 21.09 ft on 05/17/2014
(3) 16.04 ft on 05/10/2013
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
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
28 Tchiffely Mill Road begins to flood due to backwater effects. Most of the C&O Canal towpath is flooded.
26 Water covers the lock at Edwards Ferry. The access road to Violettes Lock is flooded.
24 Water reaches the first floor ceiling at Whites Ferry store. Significant portions of the C&O Canal towpath are flooded. Backwater flooding is affecting homes on the Loudoun County side of the river near Broad Run in Sterling.
20 The basements of the Edwards Ferry Lockhouse and Rileys Lockhouse are flooded. Backwater flooding may affect homes on the Loudoun County side of the river near Broad Run in Sterling.
18.5 The parking lot at Edwards Ferry is completely covered by water. The parking lot at Seneca is partially flooded.
17 Floodwaters begin to enter the store at Whites Ferry.
15 Water reaches the boat ramp and lower parking area at Edwards Ferry, and begins to inundate areas near Whites Ferry.
12.25 Water reaches the Whites Ferry area. Ferry service may be suspended.
About This Location Collapse

Latitude: 39.098611° N, Longitude: 77.471111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 198 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:

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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
(703) 996-2200
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Page last modified: 21-Dec-2016 5:21 PM
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