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Hydrograph River at a Glance Download
Potomac River at Shepherdstown Stage (ft)Observed: 7.41 ft at 8:00AM May 15, 2018Observed: 7.42 ft at 8:15AM May 15, 2018Observed: 7.48 ft at 8:30AM May 15, 2018Observed: 7.51 ft at 8:45AM May 15, 2018Observed: 7.55 ft at 9:00AM May 15, 2018Observed: 7.59 ft at 9:15AM May 15, 2018Observed: 7.62 ft at 9:30AM May 15, 2018Observed: 7.67 ft at 9:45AM May 15, 2018Observed: 7.7 ft at 10:00AM May 15, 2018Observed: 7.73 ft at 10:15AM May 15, 2018Observed: 7.77 ft at 10:30AM May 15, 2018Observed: 7.85 ft at 10:45AM May 15, 2018Observed: 7.86 ft at 11:00AM May 15, 2018Observed: 7.88 ft at 11:15AM May 15, 2018Observed: 7.92 ft at 11:30AM May 15, 2018Observed: 7.95 ft at 11:45AM May 15, 2018Observed: 7.99 ft at 12:00PM May 15, 2018Observed: 8.05 ft at 12:15PM May 15, 2018Observed: 8.07 ft at 12:30PM May 15, 2018Observed: 8.08 ft at 12:45PM May 15, 2018Observed: 8.11 ft at 1:00PM May 15, 2018Observed: 8.14 ft at 1:15PM May 15, 2018Observed: 8.18 ft at 1:30PM May 15, 2018Observed: 8.19 ft at 1:45PM May 15, 2018Observed: 8.23 ft at 2:00PM May 15, 2018Observed: 8.25 ft at 2:15PM May 15, 2018Observed: 8.3 ft at 2:30PM May 15, 2018Observed: 8.3 ft at 2:45PM May 15, 2018Observed: 8.31 ft at 3:00PM May 15, 2018Observed: 8.35 ft at 3:15PM May 15, 2018Observed: 8.36 ft at 3:30PM May 15, 2018Observed: 8.38 ft at 3:45PM May 15, 2018Observed: 8.38 ft at 4:00PM May 15, 2018Observed: 8.42 ft at 4:15PM May 15, 2018Observed: 8.44 ft at 4:30PM May 15, 2018Observed: 8.45 ft at 4:45PM May 15, 2018Observed: 8.46 ft at 5:00PM May 15, 2018Observed: 8.47 ft at 5:15PM May 15, 2018Observed: 8.49 ft at 5:30PM May 15, 2018Observed: 8.52 ft at 5:45PM May 15, 2018Observed: 8.53 ft at 6:00PM May 15, 2018Observed: 8.55 ft at 6:15PM May 15, 2018Observed: 8.56 ft at 6:30PM May 15, 2018Observed: 8.59 ft at 6:45PM May 15, 2018Observed: 8.57 ft at 7:00PM May 15, 2018Observed: 8.59 ft at 7:15PM May 15, 2018Observed: 8.6 ft at 7:30PM May 15, 2018Observed: 8.61 ft at 7:45PM May 15, 2018Observed: 8.62 ft at 8:00PM May 15, 2018Observed: 8.64 ft at 8:15PM May 15, 2018Observed: 8.64 ft at 8:30PM May 15, 2018Observed: 8.65 ft at 8:45PM May 15, 2018Observed: 8.65 ft at 9:00PM May 15, 2018Observed: 8.67 ft at 9:15PM May 15, 2018Observed: 8.65 ft at 9:30PM May 15, 2018Observed: 8.71 ft at 9:45PM May 15, 2018Observed: 8.71 ft at 10:00PM May 15, 2018Observed: 8.7 ft at 10:15PM May 15, 2018Observed: 8.72 ft at 10:30PM May 15, 2018Observed: 8.77 ft at 10:45PM May 15, 2018Observed: 8.77 ft at 11:00PM May 15, 2018Observed: 8.79 ft at 11:15PM May 15, 2018Observed: 8.81 ft at 11:30PM May 15, 2018Observed: 8.8 ft at 11:45PM May 15, 2018Observed: 8.84 ft at 12:00AM May 16, 2018Observed: 8.84 ft at 12:15AM May 16, 2018Observed: 8.86 ft at 12:30AM May 16, 2018Observed: 8.86 ft at 12:45AM May 16, 2018Observed: 8.87 ft at 1:00AM May 16, 2018Observed: 8.9 ft at 1:15AM May 16, 2018Observed: 8.89 ft at 1:30AM May 16, 2018Observed: 8.91 ft at 1:45AM May 16, 2018Observed: 8.89 ft at 2:00AM May 16, 2018Observed: 8.9 ft at 2:15AM May 16, 2018Observed: 8.9 ft at 2:30AM May 16, 2018Observed: 8.91 ft at 2:45AM May 16, 2018Observed: 8.89 ft at 3:00AM May 16, 2018Observed: 8.91 ft at 3:15AM May 16, 2018Observed: 8.88 ft at 3:30AM May 16, 2018Observed: 8.86 ft at 3:45AM May 16, 2018Observed: 8.86 ft at 4:00AM May 16, 2018Observed: 8.83 ft at 4:15AM May 16, 2018Observed: 8.84 ft at 4:30AM May 16, 2018Observed: 8.8 ft at 4:45AM May 16, 2018Observed: 8.81 ft at 5:00AM May 16, 2018Observed: 8.8 ft at 5:15AM May 16, 2018Observed: 8.76 ft at 5:30AM May 16, 2018Observed: 8.78 ft at 5:45AM May 16, 2018Observed: 8.73 ft at 6:00AM May 16, 2018Observed: 8.74 ft at 6:15AM May 16, 2018Observed: 8.73 ft at 6:30AM May 16, 2018Observed: 8.69 ft at 6:45AM May 16, 2018Observed: 8.65 ft at 7:00AM May 16, 2018Observed: 8.61 ft at 7:15AM May 16, 2018Observed: 8.6 ft at 7:30AM May 16, 2018Observed: 8.6 ft at 7:45AM May 16, 2018Observed: 8.59 ft at 8:00AM May 16, 2018Observed: 8.58 ft at 8:15AM May 16, 2018Observed: 8.56 ft at 8:30AM May 16, 2018Observed: 8.56 ft at 8:45AM May 16, 2018Observed: 8.53 ft at 9:00AM May 16, 2018Observed: 8.52 ft at 9:15AM May 16, 2018Observed: 8.49 ft at 9:30AM May 16, 2018Observed: 8.47 ft at 9:45AM May 16, 2018Observed: 8.43 ft at 10:00AM May 16, 2018Observed: 8.39 ft at 10:15AM May 16, 2018Observed: 8.4 ft at 10:30AM May 16, 2018Observed: 8.39 ft at 10:45AM May 16, 2018Observed: 8.35 ft at 11:00AM May 16, 2018Observed: 8.38 ft at 11:15AM May 16, 2018Observed: 8.34 ft at 11:30AM May 16, 2018Observed: 8.33 ft at 11:45AM May 16, 2018Observed: 8.32 ft at 12:00PM May 16, 2018Observed: 8.28 ft at 12:15PM May 16, 2018Observed: 8.28 ft at 12:30PM May 16, 2018Observed: 8.25 ft at 12:45PM May 16, 2018Observed: 8.25 ft at 1:00PM May 16, 2018Observed: 8.26 ft at 1:15PM May 16, 2018Observed: 8.25 ft at 1:30PM May 16, 2018Observed: 8.21 ft at 1:45PM May 16, 2018Observed: 8.21 ft at 2:00PM May 16, 2018Observed: 8.19 ft at 2:15PM May 16, 2018Observed: 8.18 ft at 2:30PM May 16, 2018Observed: 8.17 ft at 2:45PM May 16, 2018Observed: 8.18 ft at 3:00PM May 16, 2018Observed: 8.15 ft at 3:15PM May 16, 2018Observed: 8.15 ft at 3:30PM May 16, 2018Observed: 8.13 ft at 3:45PM May 16, 2018Observed: 8.13 ft at 4:00PM May 16, 2018Observed: 8.16 ft at 4:15PM May 16, 2018Observed: 8.13 ft at 4:30PM May 16, 2018Observed: 8.14 ft at 4:45PM May 16, 2018Observed: 8.14 ft at 5:00PM May 16, 2018Observed: 8.15 ft at 5:15PM May 16, 2018Observed: 8.15 ft at 5:30PM May 16, 2018Observed: 8.17 ft at 5:45PM May 16, 2018Observed: 8.15 ft at 6:00PM May 16, 2018Observed: 8.14 ft at 6:15PM May 16, 2018Observed: 8.16 ft at 6:30PM May 16, 2018Observed: 8.16 ft at 6:45PM May 16, 2018Observed: 8.17 ft at 7:00PM May 16, 2018Observed: 8.16 ft at 7:15PM May 16, 2018Observed: 8.17 ft at 7:30PM May 16, 2018Observed: 8.18 ft at 7:45PM May 16, 2018Observed: 8.21 ft at 8:00PM May 16, 2018Observed: 8.21 ft at 8:15PM May 16, 2018Observed: 8.22 ft at 8:30PM May 16, 2018Observed: 8.21 ft at 8:45PM May 16, 2018Observed: 8.23 ft at 9:00PM May 16, 2018Observed: 8.23 ft at 9:15PM May 16, 2018Observed: 8.25 ft at 9:30PM May 16, 2018Observed: 8.25 ft at 9:45PM May 16, 2018Observed: 8.27 ft at 10:00PM May 16, 2018Observed: 8.28 ft at 10:15PM May 16, 2018Observed: 8.29 ft at 10:30PM May 16, 2018Observed: 8.28 ft at 10:45PM May 16, 2018Observed: 8.32 ft at 11:00PM May 16, 2018Observed: 8.32 ft at 11:15PM May 16, 2018Observed: 8.32 ft at 11:30PM May 16, 2018Observed: 8.34 ft at 11:45PM May 16, 2018Observed: 8.34 ft at 12:00AM May 17, 2018Observed: 8.35 ft at 12:15AM May 17, 2018Observed: 8.37 ft at 12:30AM May 17, 2018Observed: 8.34 ft at 12:45AM May 17, 2018Observed: 8.38 ft at 1:00AM May 17, 2018Observed: 8.41 ft at 1:15AM May 17, 2018Observed: 8.43 ft at 1:30AM May 17, 2018Observed: 8.41 ft at 1:45AM May 17, 2018Observed: 8.44 ft at 2:00AM May 17, 2018Observed: 8.44 ft at 2:15AM May 17, 2018Observed: 8.44 ft at 2:30AM May 17, 2018Observed: 8.45 ft at 2:45AM May 17, 2018Observed: 8.48 ft at 3:00AM May 17, 2018Observed: 8.47 ft at 3:15AM May 17, 2018Observed: 8.49 ft at 3:30AM May 17, 2018Observed: 8.51 ft at 3:45AM May 17, 2018Observed: 8.54 ft at 4:00AM May 17, 2018Observed: 8.53 ft at 4:15AM May 17, 2018Observed: 8.55 ft at 4:30AM May 17, 2018Observed: 8.57 ft at 4:45AM May 17, 2018Observed: 8.61 ft at 5:00AM May 17, 2018Observed: 8.64 ft at 5:15AM May 17, 2018Observed: 8.65 ft at 5:30AM May 17, 2018Observed: 8.68 ft at 5:45AM May 17, 2018Observed: 8.72 ft at 6:00AM May 17, 2018Observed: 8.72 ft at 6:15AM May 17, 2018Observed: 8.78 ft at 6:30AM May 17, 2018Observed: 8.78 ft at 6:45AM May 17, 2018Observed: 8.83 ft at 7:00AM May 17, 2018Observed: 8.87 ft at 7:15AM May 17, 2018Observed: 8.88 ft at 7:30AM May 17, 2018Observed: 8.94 ft at 7:45AM May 17, 2018Observed: 8.96 ft at 8:00AM May 17, 2018Observed: 8.99 ft at 8:15AM May 17, 2018Observed: 9.01 ft at 8:30AM May 17, 2018Observed: 9.03 ft at 8:45AM May 17, 2018Observed: 9.07 ft at 9:00AM May 17, 2018Observed: 9.08 ft at 9:15AM May 17, 2018Observed: 9.11 ft at 9:30AM May 17, 2018Observed: 9.14 ft at 9:45AM May 17, 2018Observed: 9.14 ft at 10:00AM May 17, 2018Observed: 9.18 ft at 10:15AM May 17, 2018Observed: 9.21 ft at 10:30AM May 17, 2018Observed: 9.21 ft at 10:45AM May 17, 2018Observed: 9.21 ft at 11:00AM May 17, 2018Observed: 9.28 ft at 11:15AM May 17, 2018Observed: 9.28 ft at 11:30AM May 17, 2018Observed: 9.27 ft at 11:45AM May 17, 2018Observed: 9.32 ft at 12:00PM May 17, 2018Observed: 9.33 ft at 12:15PM May 17, 2018Observed: 9.36 ft at 12:30PM May 17, 2018Observed: 9.38 ft at 12:45PM May 17, 2018Observed: 9.43 ft at 1:00PM May 17, 2018Observed: 9.42 ft at 1:15PM May 17, 2018Observed: 9.44 ft at 1:30PM May 17, 2018Observed: 9.47 ft at 1:45PM May 17, 2018Observed: 9.47 ft at 2:00PM May 17, 2018Observed: 9.5 ft at 2:15PM May 17, 2018Observed: 9.53 ft at 2:30PM May 17, 2018Observed: 9.54 ft at 2:45PM May 17, 2018Observed: 9.57 ft at 3:00PM May 17, 2018Observed: 9.56 ft at 3:15PM May 17, 2018Observed: 9.58 ft at 3:30PM May 17, 2018Observed: 9.63 ft at 3:45PM May 17, 2018Observed: 9.62 ft at 4:00PM May 17, 2018Observed: 9.67 ft at 4:15PM May 17, 2018Observed: 9.72 ft at 4:30PM May 17, 2018Observed: 9.73 ft at 4:45PM May 17, 2018Observed: 9.77 ft at 5:00PM May 17, 2018Observed: 9.77 ft at 5:15PM May 17, 2018Observed: 9.79 ft at 5:30PM May 17, 2018Observed: 9.83 ft at 5:45PM May 17, 2018Observed: 9.86 ft at 6:00PM May 17, 2018Observed: 9.88 ft at 6:15PM May 17, 2018Observed: 9.94 ft at 6:30PM May 17, 2018Observed: 9.98 ft at 6:45PM May 17, 2018Observed: 9.97 ft at 7:00PM May 17, 2018Observed: 10.04 ft at 7:15PM May 17, 2018Observed: 10.1 ft at 7:30PM May 17, 2018Observed: 10.13 ft at 7:45PM May 17, 2018Observed: 10.14 ft at 8:00PM May 17, 2018Observed: 10.21 ft at 8:15PM May 17, 2018Observed: 10.21 ft at 8:30PM May 17, 2018Observed: 10.27 ft at 8:45PM May 17, 2018Observed: 10.3 ft at 9:00PM May 17, 2018Observed: 10.34 ft at 9:15PM May 17, 2018Observed: 10.35 ft at 9:30PM May 17, 2018Observed: 10.43 ft at 9:45PM May 17, 2018Observed: 10.49 ft at 10:00PM May 17, 2018Observed: 10.55 ft at 10:15PM May 17, 2018Observed: 10.56 ft at 10:30PM May 17, 2018Observed: 10.61 ft at 10:45PM May 17, 2018Observed: 10.68 ft at 11:00PM May 17, 2018Observed: 10.69 ft at 11:15PM May 17, 2018Observed: 10.76 ft at 11:30PM May 17, 2018Observed: 10.81 ft at 11:45PM May 17, 2018Observed: 10.86 ft at 12:00AM May 18, 2018Observed: 10.88 ft at 12:15AM May 18, 2018Observed: 10.94 ft at 12:30AM May 18, 2018Observed: 11.04 ft at 12:45AM May 18, 2018Observed: 11.08 ft at 1:00AM May 18, 2018Observed: 11.15 ft at 1:15AM May 18, 2018Observed: 11.2 ft at 1:30AM May 18, 2018Observed: 11.21 ft at 1:45AM May 18, 2018Observed: 11.27 ft at 2:00AM May 18, 2018Observed: 11.36 ft at 2:15AM May 18, 2018Observed: 11.45 ft at 2:30AM May 18, 2018Observed: 11.47 ft at 2:45AM May 18, 2018Observed: 11.55 ft at 3:00AM May 18, 2018Observed: 11.59 ft at 3:15AM May 18, 2018Observed: 11.67 ft at 3:30AM May 18, 2018Observed: 11.74 ft at 3:45AM May 18, 2018Observed: 11.84 ft at 4:00AM May 18, 2018Observed: 11.89 ft at 4:15AM May 18, 2018Observed: 11.96 ft at 4:30AM May 18, 2018Observed: 11.99 ft at 4:45AM May 18, 2018Observed: 12.1 ft at 5:00AM May 18, 2018Observed: 12.16 ft at 5:15AM May 18, 2018Observed: 12.23 ft at 5:30AM May 18, 2018Observed: 12.32 ft at 5:45AM May 18, 2018Observed: 12.39 ft at 6:00AM May 18, 2018Observed: 12.42 ft at 6:15AM May 18, 2018Observed: 12.5 ft at 6:30AM May 18, 2018Observed: 12.54 ft at 6:45AM May 18, 2018Observed: 12.63 ft at 7:00AM May 18, 2018Observed: 12.71 ft at 7:15AM May 18, 2018Observed: 12.7 ft at 7:30AM May 18, 2018Observed: 12.82 ft at 7:45AM May 18, 2018Observed: 12.9 ft at 8:00AM May 18, 2018Observed: 12.98 ft at 8:15AM May 18, 2018Observed: 13.01 ft at 8:30AM May 18, 2018Observed: 13.11 ft at 8:45AM May 18, 2018Observed: 13.22 ft at 9:00AM May 18, 2018Observed: 13.26 ft at 9:15AM May 18, 2018Observed: 13.37 ft at 9:30AM May 18, 2018Observed: 13.43 ft at 9:45AM May 18, 2018Observed: 13.44 ft at 10:00AM May 18, 2018Observed: 13.59 ft at 10:15AM May 18, 2018Observed: 13.64 ft at 10:30AM May 18, 2018Observed: 13.72 ft at 10:45AM May 18, 2018Observed: 13.77 ft at 11:00AM May 18, 2018Observed: 13.83 ft at 11:15AM May 18, 2018Observed: 13.98 ft at 11:30AM May 18, 2018Observed: 14.07 ft at 11:45AM May 18, 2018Observed: 14.09 ft at 12:00PM May 18, 2018Observed: 14.17 ft at 12:15PM May 18, 2018Observed: 14.26 ft at 12:30PM May 18, 2018Observed: 14.29 ft at 12:45PM May 18, 2018Observed: 14.37 ft at 1:00PM May 18, 2018Observed: 14.43 ft at 1:15PM May 18, 2018Observed: 14.53 ft at 1:30PM May 18, 2018Observed: 14.61 ft at 1:45PM May 18, 2018Observed: 14.65 ft at 2:00PM May 18, 2018Observed: 14.73 ft at 2:15PM May 18, 2018Observed: 14.78 ft at 2:30PM May 18, 2018Observed: 14.8 ft at 2:45PM May 18, 2018Observed: 14.89 ft at 3:00PM May 18, 2018Observed: 14.98 ft at 3:15PM May 18, 2018Observed: 14.98 ft at 3:30PM May 18, 2018Observed: 15.01 ft at 3:45PM May 18, 2018Observed: 15.09 ft at 4:00PM May 18, 2018Observed: 15.15 ft at 4:15PM May 18, 2018Observed: 15.21 ft at 4:30PM May 18, 2018Observed: 15.24 ft at 4:45PM May 18, 2018Observed: 15.29 ft at 5:00PM May 18, 2018Observed: 15.33 ft at 5:15PM May 18, 2018Observed: 15.37 ft at 5:30PM May 18, 2018Observed: 15.38 ft at 5:45PM May 18, 2018Observed: 15.43 ft at 6:00PM May 18, 2018Observed: 15.49 ft at 6:15PM May 18, 2018Observed: 15.4 ft at 6:30PM May 18, 2018Observed: 15.4 ft at 6:45PM May 18, 2018Observed: 15.47 ft at 7:00PM May 18, 2018Observed: 15.49 ft at 7:15PM May 18, 2018Observed: 15.52 ft at 7:30PM May 18, 2018Observed: 15.49 ft at 7:45PM May 18, 2018Observed: 15.51 ft at 8:00PM May 18, 2018Observed: 15.5 ft at 8:15PM May 18, 2018Observed: 15.55 ft at 8:30PM May 18, 2018Observed: 15.57 ft at 8:45PM May 18, 2018Observed: 15.56 ft at 9:00PM May 18, 2018Observed: 15.52 ft at 9:15PM May 18, 2018Observed: 15.51 ft at 9:30PM May 18, 2018Observed: 15.62 ft at 9:45PM May 18, 2018Observed: 15.62 ft at 10:00PM May 18, 2018Observed: 15.61 ft at 10:15PM May 18, 2018Observed: 15.66 ft at 10:30PM May 18, 2018Observed: 15.63 ft at 10:45PM May 18, 2018Observed: 15.64 ft at 11:00PM May 18, 2018Observed: 15.63 ft at 11:15PM May 18, 2018Observed: 15.64 ft at 11:30PM May 18, 2018Observed: 15.62 ft at 11:45PM May 18, 2018Observed: 15.58 ft at 12:00AM May 19, 2018Observed: 15.61 ft at 12:15AM May 19, 2018Observed: 15.59 ft at 12:30AM May 19, 2018Observed: 15.55 ft at 12:45AM May 19, 2018Observed: 15.59 ft at 1:00AM May 19, 2018Observed: 15.6 ft at 1:15AM May 19, 2018Observed: 15.56 ft at 1:30AM May 19, 2018Observed: 15.52 ft at 1:45AM May 19, 2018Observed: 15.5 ft at 2:00AM May 19, 2018Observed: 15.52 ft at 2:15AM May 19, 2018Observed: 15.49 ft at 2:30AM May 19, 2018Observed: 15.49 ft at 2:45AM May 19, 2018Observed: 15.48 ft at 3:00AM May 19, 2018Observed: 15.42 ft at 3:15AM May 19, 2018Observed: 15.44 ft at 3:30AM May 19, 2018Observed: 15.37 ft at 3:45AM May 19, 2018Observed: 15.41 ft at 4:00AM May 19, 2018Observed: 15.35 ft at 4:15AM May 19, 2018Observed: 15.33 ft at 4:30AM May 19, 2018Observed: 15.35 ft at 4:45AM May 19, 2018Observed: 15.37 ft at 5:00AM May 19, 2018Observed: 15.35 ft at 5:15AM May 19, 2018Observed: 15.3 ft at 5:30AM May 19, 2018Observed: 15.31 ft at 5:45AM May 19, 2018Observed: 15.27 ft at 6:00AM May 19, 2018Observed: 15.23 ft at 6:15AM May 19, 2018Observed: 15.28 ft at 6:30AM May 19, 2018Observed: 15.25 ft at 6:45AM May 19, 2018Observed: 15.27 ft at 7:00AM May 19, 2018Observed: 15.24 ft at 7:15AM May 19, 2018Observed: 15.19 ft at 7:30AM May 19, 2018Observed: 15.27 ft at 7:45AM May 19, 2018Observed: 15.2 ft at 8:00AM May 19, 2018Observed: 15.18 ft at 8:15AM May 19, 2018Observed: 15.27 ft at 8:30AM May 19, 2018Observed: 15.23 ft at 8:45AM May 19, 2018Observed: 15.23 ft at 9:00AM May 19, 2018Observed: 15.24 ft at 9:15AM May 19, 2018Observed: 15.19 ft at 9:30AM May 19, 2018Observed: 15.31 ft at 9:45AM May 19, 2018Observed: 15.25 ft at 10:00AM May 19, 2018Observed: 15.17 ft at 10:15AM May 19, 2018Observed: 15.21 ft at 10:30AM May 19, 2018Observed: 15.22 ft at 10:45AM May 19, 2018Observed: 15.24 ft at 11:00AM May 19, 2018Observed: 15.24 ft at 11:15AM May 19, 2018Observed: 15.2 ft at 11:30AM May 19, 2018Observed: 15.27 ft at 11:45AM May 19, 2018Observed: 15.31 ft at 12:00PM May 19, 2018Observed: 15.34 ft at 12:15PM May 19, 2018Observed: 15.36 ft at 12:30PM May 19, 2018Observed: 15.33 ft at 12:45PM May 19, 2018Observed: 15.41 ft at 1:00PM May 19, 2018Observed: 15.42 ft at 1:15PM May 19, 2018Observed: 15.41 ft at 1:30PM May 19, 2018Observed: 15.44 ft at 1:45PM May 19, 2018Observed: 15.47 ft at 2:00PM May 19, 2018Observed: 15.52 ft at 2:15PM May 19, 2018Observed: 15.51 ft at 2:30PM May 19, 2018Observed: 15.55 ft at 2:45PM May 19, 2018Observed: 15.57 ft at 3:00PM May 19, 2018Observed: 15.54 ft at 3:15PM May 19, 2018Observed: 15.61 ft at 3:30PM May 19, 2018Observed: 15.7 ft at 3:45PM May 19, 2018Observed: 15.66 ft at 4:00PM May 19, 2018Observed: 15.71 ft at 4:15PM May 19, 2018Observed: 15.73 ft at 4:30PM May 19, 2018Observed: 15.73 ft at 4:45PM May 19, 2018Observed: 15.78 ft at 5:00PM May 19, 2018Observed: 15.83 ft at 5:15PM May 19, 2018Observed: 15.83 ft at 5:30PM May 19, 2018Observed: 15.84 ft at 5:45PM May 19, 2018Observed: 15.88 ft at 6:00PM May 19, 2018Observed: 15.94 ft at 6:15PM May 19, 2018Observed: 15.99 ft at 6:30PM May 19, 2018Observed: 15.98 ft at 6:45PM May 19, 2018Observed: 16.05 ft at 7:00PM May 19, 2018Observed: 16.06 ft at 7:15PM May 19, 2018Observed: 16.11 ft at 7:30PM May 19, 2018Observed: 16.15 ft at 7:45PM May 19, 2018Observed: 16.19 ft at 8:00PM May 19, 2018Observed: 16.24 ft at 8:15PM May 19, 2018Observed: 16.26 ft at 8:30PM May 19, 2018Observed: 16.28 ft at 8:45PM May 19, 2018Observed: 16.47 ft at 9:00PM May 19, 2018Observed: 16.46 ft at 9:15PM May 19, 2018Observed: 16.48 ft at 9:30PM May 19, 2018Observed: 16.56 ft at 9:45PM May 19, 2018Observed: 16.58 ft at 10:00PM May 19, 2018Observed: 16.63 ft at 10:15PM May 19, 2018Observed: 16.69 ft at 10:30PM May 19, 2018Observed: 16.75 ft at 10:45PM May 19, 2018Observed: 16.74 ft at 11:00PM May 19, 2018Observed: 16.72 ft at 11:15PM May 19, 2018Observed: 16.83 ft at 11:30PM May 19, 2018Observed: 16.83 ft at 11:45PM May 19, 2018Observed: 16.84 ft at 12:00AM May 20, 2018Observed: 16.88 ft at 12:15AM May 20, 2018Observed: 16.95 ft at 12:30AM May 20, 2018Observed: 17.01 ft at 12:45AM May 20, 2018Observed: 17.03 ft at 1:00AM May 20, 2018Observed: 17.07 ft at 1:15AM May 20, 2018Observed: 17.1 ft at 1:30AM May 20, 2018Observed: 17.12 ft at 1:45AM May 20, 2018Observed: 17.17 ft at 2:00AM May 20, 2018Observed: 17.17 ft at 2:15AM May 20, 2018Observed: 17.2 ft at 2:30AM May 20, 2018Observed: 17.22 ft at 2:45AM May 20, 2018Observed: 17.23 ft at 3:00AM May 20, 2018Observed: 17.3 ft at 3:15AM May 20, 2018Observed: 17.35 ft at 3:30AM May 20, 2018Observed: 17.38 ft at 3:45AM May 20, 2018Observed: 17.29 ft at 4:00AM May 20, 2018Observed: 17.4 ft at 4:15AM May 20, 2018Observed: 17.42 ft at 4:30AM May 20, 2018Observed: 17.47 ft at 4:45AM May 20, 2018Observed: 17.43 ft at 5:00AM May 20, 2018Observed: 17.52 ft at 5:15AM May 20, 2018Observed: 17.54 ft at 5:30AM May 20, 2018Observed: 17.51 ft at 5:45AM May 20, 2018Observed: 17.56 ft at 6:00AM May 20, 2018Observed: 17.53 ft at 6:15AM May 20, 2018Highest Observation: 17.58 ft at 6:30AM May 20, 2018Highest Forecast: 17.6 ft 8:00AM May 20, 2018Forecast: 17.5 ft 2:00PM May 20, 2018Forecast: 16.7 ft 8:00PM May 20, 2018Forecast: 15.3 ft 2:00AM May 21, 2018Forecast: 13.9 ft 8:00AM May 21, 2018Forecast: 12.8 ft 2:00PM May 21, 2018Forecast: 12 ft 8:00PM May 21, 2018Forecast: 11.4 ft 2:00AM May 22, 2018Forecast: 10.9 ft 8:00AM May 22, 2018Forecast: 10.9 ft 2:00PM May 22, 2018Forecast: 11.4 ft 8:00PM May 22, 2018Forecast: 12.5 ft 2:00AM May 23, 2018USGS--Water Resources of the United StatesSHEW2(plotting HGIRG) Graph Created (7:53AM May 20, 2018)ObservedForecast (issued 4:05AM May 20)Latest observed value: 17.58 ft at 6:30 AM EDT 20-May-2018. Flood Stage is 15 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Potomac River at Shepherdstown are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Williamsport Upstream Gauge Downstream Gauge Downstream Gauge - at Harpers Ferry
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 22
Flood Stage: 15
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 42.07 ft on 03/19/1936
(2) 39.20 ft on 06/01/1889
(3) 33.20 ft on 04/27/1937
(4) 32.68 ft on 10/16/1942
(5) 32.50 ft on 01/21/1996
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(P): Preliminary values subject to further review.

Recent Crests
(1) 18.24 ft on 12/12/2003 (P)
(2) 19.83 ft on 09/20/2003 (P)
(3) 15.50 ft on 05/12/2003 (P)
(4) 16.73 ft on 03/22/2003 (P)
(5) 16.57 ft on 01/03/2003 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
25 Significant flooding is occurring throughout this stretch of the Potomac, with numerous buildings and roads inundated, and a few homes. Major impacts are occurring on C&O Canal property.
24 Water begins to cover the parking lot adjacent to the Shepherdstown boat ramp, and approaches the lowest point of an adjacent building. Water also reaches the upper parking area of the boat ramp adjacent to Dam Number Four on the West Virginia side of the river.
22 Water approaches homes on the West Virginia side of the river near Shepherdstown, and impacts are also observed on the Maryland side, not just to the C&O Canal towpath, but also to roads and structures.
19 Water covers the pedestrian bridge adjacent to the Shepherdstown boat ramp. Significant portions of the C&O Canal towpath are flooded.
16 Water goes over the banks of the Potomac near the mouth of the Opequon River.
15 River Road is completely flooded in low spots between Shepherdstown and Harpers Ferry. Significant portions of the C&O Canal towpath are flooded between McMahons Mill and Dam Number Four.
13 River Road near Shepherdstown begins to flood. Water completely covers the boat ramp at Shepherdstown.
12 Water reaches the lowest part of the parking areas at Big Slackwater and Taylors Landing on the Maryland side of the river.
11 Water begins to cover the C&O Canal towpath downstream of McMahons Mill.
8 Water covers the lower parking area of the boat ramp adjacent to Dam Number Four on the West Virginia side of the river, and is a foot or less deep on the lowest portions of the C&O Canal towpath upstream of McMahons Mill near Big Slackwater.
About This Location Collapse

Latitude: 39.434722° N, Longitude: 77.801389° 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 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
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

Click individual graphics to enlarge.

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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 10:38 PM
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