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Hydrograph River at a Glance Download
Potomac River at Edwards Ferry Stage (ft)Observed: 12.22 ft at 12:45PM Mar 01, 2021Observed: 12.28 ft at 1:00PM Mar 01, 2021Observed: 12.34 ft at 1:15PM Mar 01, 2021Observed: 12.4 ft at 1:30PM Mar 01, 2021Observed: 12.46 ft at 1:45PM Mar 01, 2021Observed: 12.53 ft at 2:00PM Mar 01, 2021Observed: 12.6 ft at 2:15PM Mar 01, 2021Observed: 12.65 ft at 2:30PM Mar 01, 2021Observed: 12.72 ft at 2:45PM Mar 01, 2021Observed: 12.8 ft at 3:00PM Mar 01, 2021Observed: 12.87 ft at 3:15PM Mar 01, 2021Observed: 12.94 ft at 3:30PM Mar 01, 2021Observed: 13 ft at 3:45PM Mar 01, 2021Observed: 13.06 ft at 4:00PM Mar 01, 2021Observed: 13.14 ft at 4:15PM Mar 01, 2021Observed: 13.22 ft at 4:30PM Mar 01, 2021Observed: 13.29 ft at 4:45PM Mar 01, 2021Observed: 13.35 ft at 5:00PM Mar 01, 2021Observed: 13.43 ft at 5:15PM Mar 01, 2021Observed: 13.48 ft at 5:30PM Mar 01, 2021Observed: 13.57 ft at 5:45PM Mar 01, 2021Observed: 13.61 ft at 6:00PM Mar 01, 2021Observed: 13.7 ft at 6:15PM Mar 01, 2021Observed: 13.75 ft at 6:30PM Mar 01, 2021Observed: 13.82 ft at 6:45PM Mar 01, 2021Observed: 13.89 ft at 7:00PM Mar 01, 2021Observed: 13.95 ft at 7:15PM Mar 01, 2021Observed: 14.02 ft at 7:30PM Mar 01, 2021Observed: 14.08 ft at 7:45PM Mar 01, 2021Observed: 14.15 ft at 8:00PM Mar 01, 2021Observed: 14.19 ft at 8:15PM Mar 01, 2021Observed: 14.27 ft at 8:30PM Mar 01, 2021Observed: 14.32 ft at 8:45PM Mar 01, 2021Observed: 14.39 ft at 9:00PM Mar 01, 2021Observed: 14.44 ft at 9:15PM Mar 01, 2021Observed: 14.53 ft at 9:30PM Mar 01, 2021Observed: 14.59 ft at 9:45PM Mar 01, 2021Observed: 14.66 ft at 10:00PM Mar 01, 2021Observed: 14.72 ft at 10:15PM Mar 01, 2021Observed: 14.78 ft at 10:30PM Mar 01, 2021Observed: 14.83 ft at 10:45PM Mar 01, 2021Observed: 14.89 ft at 11:00PM Mar 01, 2021Observed: 14.94 ft at 11:15PM Mar 01, 2021Observed: 15.01 ft at 11:30PM Mar 01, 2021Observed: 15.05 ft at 11:45PM Mar 01, 2021Observed: 15.12 ft at 12:00AM Mar 02, 2021Observed: 15.17 ft at 12:15AM Mar 02, 2021Observed: 15.22 ft at 12:30AM Mar 02, 2021Observed: 15.27 ft at 12:45AM Mar 02, 2021Observed: 15.32 ft at 1:00AM Mar 02, 2021Observed: 15.37 ft at 1:15AM Mar 02, 2021Observed: 15.43 ft at 1:30AM Mar 02, 2021Observed: 15.49 ft at 1:45AM Mar 02, 2021Observed: 15.54 ft at 2:00AM Mar 02, 2021Observed: 15.57 ft at 2:15AM Mar 02, 2021Observed: 15.63 ft at 2:30AM Mar 02, 2021Observed: 15.67 ft at 2:45AM Mar 02, 2021Observed: 15.71 ft at 3:00AM Mar 02, 2021Observed: 15.73 ft at 3:15AM Mar 02, 2021Observed: 15.8 ft at 3:30AM Mar 02, 2021Observed: 15.85 ft at 3:45AM Mar 02, 2021Observed: 15.88 ft at 4:00AM Mar 02, 2021Observed: 15.92 ft at 4:15AM Mar 02, 2021Observed: 15.96 ft at 4:30AM Mar 02, 2021Observed: 16 ft at 4:45AM Mar 02, 2021Observed: 16.04 ft at 5:00AM Mar 02, 2021Observed: 16.08 ft at 5:15AM Mar 02, 2021Observed: 16.11 ft at 5:30AM Mar 02, 2021Observed: 16.16 ft at 5:45AM Mar 02, 2021Observed: 16.22 ft at 6:00AM Mar 02, 2021Observed: 16.26 ft at 6:15AM Mar 02, 2021Observed: 16.28 ft at 6:30AM Mar 02, 2021Observed: 16.32 ft at 6:45AM Mar 02, 2021Observed: 16.36 ft at 7:00AM Mar 02, 2021Observed: 16.39 ft at 7:15AM Mar 02, 2021Observed: 16.4 ft at 7:30AM Mar 02, 2021Observed: 16.41 ft at 7:45AM Mar 02, 2021Observed: 16.43 ft at 8:00AM Mar 02, 2021Observed: 16.47 ft at 8:15AM Mar 02, 2021Observed: 16.5 ft at 8:30AM Mar 02, 2021Observed: 16.52 ft at 8:45AM Mar 02, 2021Observed: 16.54 ft at 9:00AM Mar 02, 2021Observed: 16.59 ft at 9:15AM Mar 02, 2021Observed: 16.6 ft at 9:30AM Mar 02, 2021Observed: 16.61 ft at 9:45AM Mar 02, 2021Observed: 16.62 ft at 10:00AM Mar 02, 2021Observed: 16.64 ft at 10:15AM Mar 02, 2021Observed: 16.65 ft at 10:30AM Mar 02, 2021Observed: 16.68 ft at 10:45AM Mar 02, 2021Observed: 16.68 ft at 11:00AM Mar 02, 2021Observed: 16.71 ft at 11:15AM Mar 02, 2021Observed: 16.71 ft at 11:30AM Mar 02, 2021Observed: 16.73 ft at 11:45AM Mar 02, 2021Observed: 16.73 ft at 12:00PM Mar 02, 2021Observed: 16.74 ft at 12:15PM Mar 02, 2021Observed: 16.75 ft at 12:30PM Mar 02, 2021Observed: 16.76 ft at 12:45PM Mar 02, 2021Observed: 16.78 ft at 1:00PM Mar 02, 2021Observed: 16.78 ft at 1:15PM Mar 02, 2021Observed: 16.78 ft at 1:30PM Mar 02, 2021Observed: 16.8 ft at 1:45PM Mar 02, 2021Observed: 16.81 ft at 2:00PM Mar 02, 2021Observed: 16.82 ft at 2:15PM Mar 02, 2021Observed: 16.85 ft at 2:30PM Mar 02, 2021Observed: 16.83 ft at 2:45PM Mar 02, 2021Observed: 16.86 ft at 3:00PM Mar 02, 2021Observed: 16.85 ft at 3:15PM Mar 02, 2021Highest Observation: 16.91 ft at 3:30PM Mar 02, 2021Observed: 16.88 ft at 3:45PM Mar 02, 2021Observed: 16.87 ft at 4:00PM Mar 02, 2021Highest Observation: 16.91 ft at 4:15PM Mar 02, 2021Observed: 16.86 ft at 4:30PM Mar 02, 2021Observed: 16.81 ft at 5:00PM Mar 02, 2021Observed: 16.84 ft at 5:15PM Mar 02, 2021Observed: 16.86 ft at 5:30PM Mar 02, 2021Observed: 16.79 ft at 5:45PM Mar 02, 2021Observed: 16.81 ft at 6:00PM Mar 02, 2021Observed: 16.81 ft at 6:15PM Mar 02, 2021Observed: 16.76 ft at 6:30PM Mar 02, 2021Observed: 16.78 ft at 6:45PM Mar 02, 2021Observed: 16.73 ft at 7:00PM Mar 02, 2021Observed: 16.78 ft at 7:15PM Mar 02, 2021Observed: 16.71 ft at 7:30PM Mar 02, 2021Observed: 16.84 ft at 7:45PM Mar 02, 2021Observed: 16.79 ft at 8:00PM Mar 02, 2021Observed: 16.68 ft at 8:15PM Mar 02, 2021Observed: 16.63 ft at 8:30PM Mar 02, 2021Observed: 16.77 ft at 8:45PM Mar 02, 2021Observed: 16.7 ft at 9:00PM Mar 02, 2021Observed: 16.59 ft at 9:15PM Mar 02, 2021Observed: 16.64 ft at 9:30PM Mar 02, 2021Observed: 16.54 ft at 9:45PM Mar 02, 2021Observed: 16.54 ft at 10:00PM Mar 02, 2021Observed: 16.54 ft at 10:15PM Mar 02, 2021Observed: 16.53 ft at 10:30PM Mar 02, 2021Observed: 16.49 ft at 10:45PM Mar 02, 2021Observed: 16.52 ft at 11:00PM Mar 02, 2021Observed: 16.42 ft at 11:15PM Mar 02, 2021Observed: 16.41 ft at 11:30PM Mar 02, 2021Observed: 16.37 ft at 11:45PM Mar 02, 2021Observed: 16.35 ft at 12:15AM Mar 03, 2021Observed: 16.3 ft at 12:30AM Mar 03, 2021Observed: 16.27 ft at 12:45AM Mar 03, 2021Observed: 16.31 ft at 1:00AM Mar 03, 2021Observed: 16.25 ft at 1:15AM Mar 03, 2021Observed: 16.19 ft at 1:30AM Mar 03, 2021Observed: 16.21 ft at 1:45AM Mar 03, 2021Observed: 16.18 ft at 2:00AM Mar 03, 2021Observed: 16.15 ft at 2:15AM Mar 03, 2021Observed: 16.15 ft at 2:30AM Mar 03, 2021Observed: 16.09 ft at 2:45AM Mar 03, 2021Observed: 16.12 ft at 3:00AM Mar 03, 2021Observed: 16.04 ft at 3:15AM Mar 03, 2021Observed: 16.05 ft at 3:30AM Mar 03, 2021Observed: 15.98 ft at 3:45AM Mar 03, 2021Observed: 15.98 ft at 4:00AM Mar 03, 2021Observed: 15.93 ft at 4:15AM Mar 03, 2021Observed: 15.87 ft at 4:30AM Mar 03, 2021Observed: 15.87 ft at 4:45AM Mar 03, 2021Observed: 15.85 ft at 5:00AM Mar 03, 2021Observed: 15.88 ft at 5:15AM Mar 03, 2021Observed: 15.94 ft at 5:30AM Mar 03, 2021Observed: 15.79 ft at 5:45AM Mar 03, 2021Observed: 15.79 ft at 6:00AM Mar 03, 2021Observed: 15.75 ft at 6:15AM Mar 03, 2021Observed: 15.65 ft at 6:30AM Mar 03, 2021Observed: 15.65 ft at 6:45AM Mar 03, 2021Observed: 15.61 ft at 7:00AM Mar 03, 2021Observed: 15.58 ft at 7:15AM Mar 03, 2021Observed: 15.56 ft at 7:30AM Mar 03, 2021Observed: 15.51 ft at 7:45AM Mar 03, 2021Observed: 15.49 ft at 8:00AM Mar 03, 2021Observed: 15.46 ft at 8:15AM Mar 03, 2021Observed: 15.43 ft at 8:30AM Mar 03, 2021Observed: 15.4 ft at 8:45AM Mar 03, 2021Observed: 15.36 ft at 9:00AM Mar 03, 2021Observed: 15.34 ft at 9:15AM Mar 03, 2021Observed: 15.3 ft at 9:30AM Mar 03, 2021Observed: 15.26 ft at 9:45AM Mar 03, 2021Observed: 15.24 ft at 10:00AM Mar 03, 2021Observed: 15.23 ft at 10:15AM Mar 03, 2021Observed: 15.23 ft at 10:30AM Mar 03, 2021Observed: 15.19 ft at 10:45AM Mar 03, 2021Observed: 15.13 ft at 11:00AM Mar 03, 2021Observed: 15.09 ft at 11:15AM Mar 03, 2021Observed: 15.05 ft at 11:30AM Mar 03, 2021Observed: 15.05 ft at 11:45AM Mar 03, 2021Observed: 15.02 ft at 12:00PM Mar 03, 2021Observed: 15.06 ft at 12:15PM Mar 03, 2021Observed: 14.92 ft at 12:30PM Mar 03, 2021Observed: 14.96 ft at 12:45PM Mar 03, 2021Observed: 14.86 ft at 1:00PM Mar 03, 2021Observed: 14.82 ft at 1:15PM Mar 03, 2021Observed: 14.82 ft at 1:30PM Mar 03, 2021Observed: 14.85 ft at 1:45PM Mar 03, 2021Observed: 14.75 ft at 2:00PM Mar 03, 2021Observed: 14.71 ft at 2:15PM Mar 03, 2021Observed: 14.68 ft at 2:30PM Mar 03, 2021Observed: 14.63 ft at 2:45PM Mar 03, 2021Observed: 14.63 ft at 3:00PM Mar 03, 2021Observed: 14.6 ft at 3:15PM Mar 03, 2021Observed: 14.52 ft at 3:30PM Mar 03, 2021Observed: 14.57 ft at 3:45PM Mar 03, 2021Observed: 14.48 ft at 4:00PM Mar 03, 2021Observed: 14.5 ft at 4:15PM Mar 03, 2021Observed: 14.43 ft at 4:30PM Mar 03, 2021Observed: 14.43 ft at 4:45PM Mar 03, 2021Observed: 14.18 ft at 6:00PM Mar 03, 2021Observed: 14.15 ft at 6:15PM Mar 03, 2021Observed: 14.13 ft at 6:30PM Mar 03, 2021Observed: 14.1 ft at 6:45PM Mar 03, 2021Observed: 14.06 ft at 7:00PM Mar 03, 2021Observed: 14.01 ft at 7:15PM Mar 03, 2021Observed: 13.99 ft at 7:30PM Mar 03, 2021Observed: 13.96 ft at 7:45PM Mar 03, 2021Observed: 13.92 ft at 8:00PM Mar 03, 2021Observed: 13.93 ft at 8:15PM Mar 03, 2021Observed: 13.89 ft at 8:30PM Mar 03, 2021Observed: 13.87 ft at 8:45PM Mar 03, 2021Observed: 13.92 ft at 9:00PM Mar 03, 2021Observed: 13.78 ft at 9:15PM Mar 03, 2021Observed: 13.78 ft at 9:30PM Mar 03, 2021Observed: 13.74 ft at 9:45PM Mar 03, 2021Observed: 13.72 ft at 10:00PM Mar 03, 2021Observed: 13.9 ft at 10:15PM Mar 03, 2021Observed: 13.63 ft at 10:30PM Mar 03, 2021Observed: 13.66 ft at 10:45PM Mar 03, 2021Observed: 13.6 ft at 11:00PM Mar 03, 2021Observed: 13.55 ft at 11:15PM Mar 03, 2021Observed: 13.51 ft at 11:30PM Mar 03, 2021Observed: 13.48 ft at 11:45PM Mar 03, 2021Observed: 13.46 ft at 12:00AM Mar 04, 2021Observed: 13.44 ft at 12:15AM Mar 04, 2021Observed: 13.4 ft at 12:30AM Mar 04, 2021Observed: 13.46 ft at 12:45AM Mar 04, 2021Observed: 13.42 ft at 1:00AM Mar 04, 2021Observed: 13.33 ft at 1:15AM Mar 04, 2021Observed: 13.39 ft at 1:30AM Mar 04, 2021Observed: 13.44 ft at 1:45AM Mar 04, 2021Observed: 13.23 ft at 2:00AM Mar 04, 2021Observed: 13.21 ft at 2:15AM Mar 04, 2021Observed: 13.19 ft at 2:30AM Mar 04, 2021Observed: 13.14 ft at 2:45AM Mar 04, 2021Observed: 13.15 ft at 3:00AM Mar 04, 2021Observed: 13.35 ft at 3:15AM Mar 04, 2021Observed: 13.14 ft at 3:30AM Mar 04, 2021Observed: 13.07 ft at 3:45AM Mar 04, 2021Observed: 13.04 ft at 4:00AM Mar 04, 2021Observed: 13.05 ft at 4:15AM Mar 04, 2021Observed: 12.99 ft at 4:30AM Mar 04, 2021Observed: 13 ft at 4:45AM Mar 04, 2021Observed: 12.96 ft at 5:00AM Mar 04, 2021Observed: 12.93 ft at 5:15AM Mar 04, 2021Observed: 12.97 ft at 5:30AM Mar 04, 2021Observed: 12.92 ft at 5:45AM Mar 04, 2021Observed: 12.88 ft at 6:00AM Mar 04, 2021Observed: 12.81 ft at 6:15AM Mar 04, 2021Observed: 12.82 ft at 6:30AM Mar 04, 2021Observed: 12.89 ft at 6:45AM Mar 04, 2021Observed: 12.77 ft at 7:00AM Mar 04, 2021Observed: 12.71 ft at 7:15AM Mar 04, 2021Observed: 12.71 ft at 7:30AM Mar 04, 2021Observed: 12.82 ft at 7:45AM Mar 04, 2021Observed: 12.81 ft at 8:00AM Mar 04, 2021Observed: 12.77 ft at 8:15AM Mar 04, 2021Observed: 12.59 ft at 8:30AM Mar 04, 2021Observed: 12.57 ft at 8:45AM Mar 04, 2021Observed: 12.57 ft at 9:00AM Mar 04, 2021Observed: 12.67 ft at 9:15AM Mar 04, 2021Observed: 12.52 ft at 9:30AM Mar 04, 2021Observed: 12.54 ft at 9:45AM Mar 04, 2021Observed: 12.57 ft at 10:00AM Mar 04, 2021Observed: 12.42 ft at 10:15AM Mar 04, 2021Observed: 12.41 ft at 10:30AM Mar 04, 2021Observed: 12.4 ft at 10:45AM Mar 04, 2021Observed: 12.48 ft at 11:00AM Mar 04, 2021Observed: 12.36 ft at 11:15AM Mar 04, 2021Observed: 12.38 ft at 11:30AM Mar 04, 2021Observed: 12.3 ft at 11:45AM Mar 04, 2021Observed: 12.45 ft at 12:00PM Mar 04, 2021Observed: 12.3 ft at 12:15PM Mar 04, 2021Observed: 12.25 ft at 12:30PM Mar 04, 2021Observed: 12.25 ft at 12:45PM Mar 04, 2021Observed: 12.21 ft at 1:00PM Mar 04, 2021Observed: 12.2 ft at 1:15PM Mar 04, 2021Observed: 12.19 ft at 1:30PM Mar 04, 2021Observed: 12.21 ft at 1:45PM Mar 04, 2021Observed: 12.19 ft at 2:00PM Mar 04, 2021Observed: 12.1 ft at 2:15PM Mar 04, 2021Observed: 12.09 ft at 2:30PM Mar 04, 2021Observed: 12.06 ft at 2:45PM Mar 04, 2021Observed: 12.05 ft at 3:00PM Mar 04, 2021Observed: 12.05 ft at 3:15PM Mar 04, 2021Observed: 12.04 ft at 3:30PM Mar 04, 2021Observed: 12.01 ft at 3:45PM Mar 04, 2021Observed: 11.98 ft at 4:00PM Mar 04, 2021Observed: 11.92 ft at 4:15PM Mar 04, 2021Observed: 11.99 ft at 4:30PM Mar 04, 2021Observed: 11.97 ft at 4:45PM Mar 04, 2021Observed: 11.88 ft at 5:00PM Mar 04, 2021Observed: 11.87 ft at 5:15PM Mar 04, 2021Observed: 11.86 ft at 5:30PM Mar 04, 2021Observed: 11.84 ft at 5:45PM Mar 04, 2021Observed: 11.82 ft at 6:00PM Mar 04, 2021Observed: 11.84 ft at 6:15PM Mar 04, 2021Observed: 11.8 ft at 6:30PM Mar 04, 2021Observed: 11.8 ft at 6:45PM Mar 04, 2021Observed: 11.77 ft at 7:00PM Mar 04, 2021Observed: 11.74 ft at 7:15PM Mar 04, 2021Observed: 11.69 ft at 7:30PM Mar 04, 2021Observed: 11.71 ft at 7:45PM Mar 04, 2021Observed: 11.69 ft at 8:00PM Mar 04, 2021Observed: 11.69 ft at 8:15PM Mar 04, 2021Observed: 11.72 ft at 8:30PM Mar 04, 2021Observed: 11.6 ft at 8:45PM Mar 04, 2021Observed: 11.61 ft at 9:00PM Mar 04, 2021Observed: 11.55 ft at 9:15PM Mar 04, 2021Observed: 11.54 ft at 9:30PM Mar 04, 2021Observed: 11.52 ft at 9:45PM Mar 04, 2021Observed: 11.49 ft at 10:00PM Mar 04, 2021Observed: 11.51 ft at 10:15PM Mar 04, 2021Observed: 11.46 ft at 10:30PM Mar 04, 2021Observed: 11.43 ft at 10:45PM Mar 04, 2021Observed: 11.48 ft at 11:00PM Mar 04, 2021Observed: 11.43 ft at 11:15PM Mar 04, 2021Observed: 11.47 ft at 11:30PM Mar 04, 2021Observed: 11.45 ft at 11:45PM Mar 04, 2021Observed: 11.54 ft at 12:00AM Mar 05, 2021Observed: 11.39 ft at 12:15AM Mar 05, 2021Observed: 11.5 ft at 12:30AM Mar 05, 2021Observed: 11.35 ft at 12:45AM Mar 05, 2021Observed: 11.37 ft at 1:00AM Mar 05, 2021Observed: 11.3 ft at 1:15AM Mar 05, 2021Observed: 11.32 ft at 1:30AM Mar 05, 2021Observed: 11.32 ft at 1:45AM Mar 05, 2021Observed: 11.29 ft at 2:00AM Mar 05, 2021Observed: 11.27 ft at 2:15AM Mar 05, 2021Observed: 11.28 ft at 2:30AM Mar 05, 2021Observed: 11.24 ft at 2:45AM Mar 05, 2021Observed: 11.23 ft at 3:00AM Mar 05, 2021Observed: 11.19 ft at 3:15AM Mar 05, 2021Observed: 11.18 ft at 3:30AM Mar 05, 2021Observed: 11.21 ft at 3:45AM Mar 05, 2021Observed: 11.14 ft at 4:00AM Mar 05, 2021Observed: 11.14 ft at 4:15AM Mar 05, 2021Observed: 11.12 ft at 4:30AM Mar 05, 2021Observed: 11.11 ft at 4:45AM Mar 05, 2021Observed: 11.12 ft at 5:00AM Mar 05, 2021Observed: 11.09 ft at 5:15AM Mar 05, 2021Observed: 11.06 ft at 5:30AM Mar 05, 2021Observed: 11.06 ft at 5:45AM Mar 05, 2021Observed: 11.04 ft at 6:00AM Mar 05, 2021Observed: 11.01 ft at 6:15AM Mar 05, 2021Observed: 11.01 ft at 6:30AM Mar 05, 2021Observed: 10.98 ft at 6:45AM Mar 05, 2021Observed: 10.98 ft at 7:00AM Mar 05, 2021Observed: 10.97 ft at 7:15AM Mar 05, 2021Observed: 10.93 ft at 7:30AM Mar 05, 2021Observed: 10.92 ft at 7:45AM Mar 05, 2021Observed: 10.89 ft at 8:00AM Mar 05, 2021Observed: 10.9 ft at 8:15AM Mar 05, 2021Observed: 10.84 ft at 8:30AM Mar 05, 2021Observed: 10.81 ft at 8:45AM Mar 05, 2021Observed: 10.82 ft at 9:00AM Mar 05, 2021Observed: 10.79 ft at 9:15AM Mar 05, 2021Observed: 10.78 ft at 9:30AM Mar 05, 2021Observed: 10.79 ft at 9:45AM Mar 05, 2021Observed: 10.74 ft at 10:00AM Mar 05, 2021Observed: 10.73 ft at 10:15AM Mar 05, 2021Observed: 10.73 ft at 10:30AM Mar 05, 2021Observed: 10.77 ft at 10:45AM Mar 05, 2021Observed: 10.75 ft at 11:00AM Mar 05, 2021Observed: 10.73 ft at 11:15AM Mar 05, 2021Observed: 10.73 ft at 11:30AM Mar 05, 2021Observed: 10.72 ft at 11:45AM Mar 05, 2021Observed: 10.69 ft at 12:00PM Mar 05, 2021Observed: 10.62 ft at 12:15PM Mar 05, 2021Observed: 10.56 ft at 12:30PM Mar 05, 2021Observed: 10.59 ft at 12:45PM Mar 05, 2021Observed: 10.59 ft at 1:00PM Mar 05, 2021Observed: 10.56 ft at 1:15PM Mar 05, 2021Observed: 10.55 ft at 1:30PM Mar 05, 2021Observed: 10.53 ft at 1:45PM Mar 05, 2021Observed: 10.51 ft at 2:00PM Mar 05, 2021Observed: 10.48 ft at 2:15PM Mar 05, 2021Observed: 10.47 ft at 2:30PM Mar 05, 2021Observed: 10.47 ft at 2:45PM Mar 05, 2021Observed: 10.48 ft at 3:00PM Mar 05, 2021Observed: 10.5 ft at 3:15PM Mar 05, 2021Observed: 10.44 ft at 3:30PM Mar 05, 2021Observed: 10.4 ft at 3:45PM Mar 05, 2021Observed: 10.43 ft at 4:00PM Mar 05, 2021Observed: 10.4 ft at 4:15PM Mar 05, 2021Observed: 10.37 ft at 4:30PM Mar 05, 2021Observed: 10.35 ft at 4:45PM Mar 05, 2021Observed: 10.34 ft at 5:00PM Mar 05, 2021Observed: 10.34 ft at 5:15PM Mar 05, 2021Observed: 10.3 ft at 5:30PM Mar 05, 2021Observed: 10.27 ft at 5:45PM Mar 05, 2021Observed: 10.3 ft at 6:00PM Mar 05, 2021Observed: 10.27 ft at 6:15PM Mar 05, 2021Observed: 10.27 ft at 6:30PM Mar 05, 2021Observed: 10.26 ft at 6:45PM Mar 05, 2021Observed: 10.29 ft at 7:00PM Mar 05, 2021Observed: 10.28 ft at 7:15PM Mar 05, 2021Observed: 10.23 ft at 7:30PM Mar 05, 2021Observed: 10.22 ft at 7:45PM Mar 05, 2021Observed: 10.23 ft at 8:00PM Mar 05, 2021Observed: 10.23 ft at 8:15PM Mar 05, 2021Observed: 10.24 ft at 8:30PM Mar 05, 2021Observed: 10.21 ft at 8:45PM Mar 05, 2021Observed: 10.2 ft at 9:00PM Mar 05, 2021Observed: 10.19 ft at 9:15PM Mar 05, 2021Observed: 10.12 ft at 9:30PM Mar 05, 2021Observed: 10.12 ft at 9:45PM Mar 05, 2021Observed: 10.1 ft at 10:00PM Mar 05, 2021Observed: 10.09 ft at 10:15PM Mar 05, 2021Observed: 10.11 ft at 10:30PM Mar 05, 2021Observed: 10.08 ft at 10:45PM Mar 05, 2021Observed: 10.06 ft at 11:00PM Mar 05, 2021Observed: 10.07 ft at 11:15PM Mar 05, 2021Observed: 10.06 ft at 11:30PM Mar 05, 2021Observed: 10.04 ft at 11:45PM Mar 05, 2021Observed: 10.04 ft at 12:00AM Mar 06, 2021Observed: 10.02 ft at 12:15AM Mar 06, 2021Observed: 10.01 ft at 12:30AM Mar 06, 2021Observed: 9.99 ft at 12:45AM Mar 06, 2021Observed: 9.98 ft at 1:00AM Mar 06, 2021Observed: 9.95 ft at 1:15AM Mar 06, 2021Observed: 9.95 ft at 1:30AM Mar 06, 2021Observed: 9.93 ft at 1:45AM Mar 06, 2021Observed: 9.94 ft at 2:00AM Mar 06, 2021Observed: 9.94 ft at 2:15AM Mar 06, 2021Observed: 9.93 ft at 2:30AM Mar 06, 2021Observed: 9.9 ft at 2:45AM Mar 06, 2021Observed: 9.89 ft at 3:00AM Mar 06, 2021Observed: 9.87 ft at 3:15AM Mar 06, 2021Observed: 9.87 ft at 3:30AM Mar 06, 2021Observed: 9.85 ft at 3:45AM Mar 06, 2021Observed: 9.84 ft at 4:00AM Mar 06, 2021Observed: 9.83 ft at 4:15AM Mar 06, 2021Observed: 9.83 ft at 4:30AM Mar 06, 2021Observed: 9.82 ft at 4:45AM Mar 06, 2021Observed: 9.81 ft at 5:00AM Mar 06, 2021Observed: 9.79 ft at 5:15AM Mar 06, 2021Observed: 9.77 ft at 5:30AM Mar 06, 2021Observed: 9.77 ft at 5:45AM Mar 06, 2021Observed: 9.75 ft at 6:00AM Mar 06, 2021Observed: 9.74 ft at 6:15AM Mar 06, 2021Observed: 9.72 ft at 6:30AM Mar 06, 2021Observed: 9.7 ft at 6:45AM Mar 06, 2021Observed: 9.7 ft at 7:00AM Mar 06, 2021Observed: 9.71 ft at 7:15AM Mar 06, 2021Observed: 9.69 ft at 7:30AM Mar 06, 2021Observed: 9.66 ft at 7:45AM Mar 06, 2021Observed: 9.67 ft at 8:00AM Mar 06, 2021Observed: 9.67 ft at 8:15AM Mar 06, 2021Observed: 9.67 ft at 8:30AM Mar 06, 2021Observed: 9.67 ft at 8:45AM Mar 06, 2021Observed: 9.72 ft at 9:00AM Mar 06, 2021Observed: 9.62 ft at 9:15AM Mar 06, 2021Observed: 9.61 ft at 9:30AM Mar 06, 2021Observed: 9.62 ft at 9:45AM Mar 06, 2021Observed: 9.59 ft at 10:00AM Mar 06, 2021Observed: 9.6 ft at 10:15AM Mar 06, 2021Observed: 9.6 ft at 10:30AM Mar 06, 2021Observed: 9.54 ft at 10:45AM Mar 06, 2021Observed: 9.53 ft at 11:00AM Mar 06, 2021Observed: 9.52 ft at 11:15AM Mar 06, 2021Observed: 9.51 ft at 11:30AM Mar 06, 2021Observed: 9.49 ft at 11:45AM Mar 06, 2021Highest Forecast: 9.5 ft 1:00PM Mar 06, 2021Forecast: 9.2 ft 7:00PM Mar 06, 2021Forecast: 9 ft 1:00AM Mar 07, 2021Forecast: 8.8 ft 7:00AM Mar 07, 2021Forecast: 8.6 ft 1:00PM Mar 07, 2021Forecast: 8.4 ft 7:00PM Mar 07, 2021Forecast: 8.2 ft 1:00AM Mar 08, 2021Forecast: 8 ft 7:00AM Mar 08, 2021Forecast: 7.8 ft 1:00PM Mar 08, 2021Forecast: 7.7 ft 7:00PM Mar 08, 2021Forecast: 7.6 ft 1:00AM Mar 09, 2021Forecast: 7.5 ft 7:00AM Mar 09, 2021USGS--Water Resources of the United StatesEDFM2(plotting HGIRG) Graph Created (12:40PM Mar 6, 2021)ObservedForecast (issued 8:49AM Mar 6)Latest observed value: 9.49 ft at 11:45 AM EST 6-Mar-2021. Flood Stage is 15 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Stage may be affected by ice.

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) 22.45 ft on 06/05/2018
(2) 21.80 ft on 09/29/2018
(3) 21.57 ft on 09/29/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.90 ft on 05/02/2020 (P)
(2) 16.08 ft on 12/23/2018
(3) 20.98 ft on 12/17/2018
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(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
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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 178.7 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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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: 30-Oct-2020 4:10 PM
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