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Hydrograph River at a Glance Download
Potomac River at Edwards Ferry Stage (ft)Highest Observation: 3.56 ft at 12:15AM Oct 19, 2017Highest Observation: 3.56 ft at 12:30AM Oct 19, 2017Observed: 3.55 ft at 12:45AM Oct 19, 2017Observed: 3.55 ft at 1:00AM Oct 19, 2017Observed: 3.54 ft at 1:15AM Oct 19, 2017Observed: 3.54 ft at 1:30AM Oct 19, 2017Observed: 3.53 ft at 1:45AM Oct 19, 2017Observed: 3.53 ft at 2:00AM Oct 19, 2017Observed: 3.54 ft at 2:15AM Oct 19, 2017Observed: 3.52 ft at 2:30AM Oct 19, 2017Observed: 3.52 ft at 2:45AM Oct 19, 2017Observed: 3.52 ft at 3:00AM Oct 19, 2017Observed: 3.51 ft at 3:15AM Oct 19, 2017Observed: 3.51 ft at 3:30AM Oct 19, 2017Observed: 3.5 ft at 3:45AM Oct 19, 2017Observed: 3.5 ft at 4:00AM Oct 19, 2017Observed: 3.5 ft at 4:15AM Oct 19, 2017Observed: 3.49 ft at 4:30AM Oct 19, 2017Observed: 3.49 ft at 4:45AM Oct 19, 2017Observed: 3.48 ft at 5:00AM Oct 19, 2017Observed: 3.48 ft at 5:15AM Oct 19, 2017Observed: 3.48 ft at 5:30AM Oct 19, 2017Observed: 3.47 ft at 5:45AM Oct 19, 2017Observed: 3.47 ft at 6:00AM Oct 19, 2017Observed: 3.46 ft at 6:15AM Oct 19, 2017Observed: 3.46 ft at 6:30AM Oct 19, 2017Observed: 3.46 ft at 6:45AM Oct 19, 2017Observed: 3.45 ft at 7:00AM Oct 19, 2017Observed: 3.45 ft at 7:15AM Oct 19, 2017Observed: 3.45 ft at 7:30AM Oct 19, 2017Observed: 3.44 ft at 7:45AM Oct 19, 2017Observed: 3.44 ft at 8:00AM Oct 19, 2017Observed: 3.43 ft at 8:15AM Oct 19, 2017Observed: 3.43 ft at 8:30AM Oct 19, 2017Observed: 3.43 ft at 8:45AM Oct 19, 2017Observed: 3.42 ft at 9:00AM Oct 19, 2017Observed: 3.42 ft at 9:15AM Oct 19, 2017Observed: 3.42 ft at 9:30AM Oct 19, 2017Observed: 3.41 ft at 9:45AM Oct 19, 2017Observed: 3.41 ft at 10:00AM Oct 19, 2017Observed: 3.41 ft at 10:15AM Oct 19, 2017Observed: 3.41 ft at 10:30AM Oct 19, 2017Observed: 3.4 ft at 10:45AM Oct 19, 2017Observed: 3.4 ft at 11:00AM Oct 19, 2017Observed: 3.4 ft at 11:15AM Oct 19, 2017Observed: 3.39 ft at 11:30AM Oct 19, 2017Observed: 3.39 ft at 11:45AM Oct 19, 2017Observed: 3.39 ft at 12:00PM Oct 19, 2017Observed: 3.39 ft at 12:15PM Oct 19, 2017Observed: 3.39 ft at 12:30PM Oct 19, 2017Observed: 3.38 ft at 12:45PM Oct 19, 2017Observed: 3.38 ft at 1:00PM Oct 19, 2017Observed: 3.38 ft at 1:15PM Oct 19, 2017Observed: 3.38 ft at 1:30PM Oct 19, 2017Observed: 3.38 ft at 1:45PM Oct 19, 2017Observed: 3.38 ft at 2:00PM Oct 19, 2017Observed: 3.38 ft at 2:15PM Oct 19, 2017Observed: 3.38 ft at 2:30PM Oct 19, 2017Observed: 3.37 ft at 2:45PM Oct 19, 2017Observed: 3.37 ft at 3:00PM Oct 19, 2017Observed: 3.37 ft at 3:15PM Oct 19, 2017Observed: 3.37 ft at 3:30PM Oct 19, 2017Observed: 3.37 ft at 3:45PM Oct 19, 2017Observed: 3.37 ft at 4:00PM Oct 19, 2017Observed: 3.37 ft at 4:15PM Oct 19, 2017Observed: 3.37 ft at 4:30PM Oct 19, 2017Observed: 3.37 ft at 4:45PM Oct 19, 2017Observed: 3.37 ft at 5:00PM Oct 19, 2017Observed: 3.37 ft at 5:15PM Oct 19, 2017Observed: 3.36 ft at 5:30PM Oct 19, 2017Observed: 3.38 ft at 5:45PM Oct 19, 2017Observed: 3.37 ft at 6:00PM Oct 19, 2017Observed: 3.37 ft at 6:15PM Oct 19, 2017Observed: 3.37 ft at 6:30PM Oct 19, 2017Observed: 3.36 ft at 6:45PM Oct 19, 2017Observed: 3.36 ft at 7:00PM Oct 19, 2017Observed: 3.36 ft at 7:15PM Oct 19, 2017Observed: 3.36 ft at 7:30PM Oct 19, 2017Observed: 3.35 ft at 7:45PM Oct 19, 2017Observed: 3.35 ft at 8:00PM Oct 19, 2017Observed: 3.35 ft at 8:15PM Oct 19, 2017Observed: 3.35 ft at 8:30PM Oct 19, 2017Observed: 3.35 ft at 8:45PM Oct 19, 2017Observed: 3.35 ft at 9:00PM Oct 19, 2017Observed: 3.34 ft at 9:15PM Oct 19, 2017Observed: 3.34 ft at 9:30PM Oct 19, 2017Observed: 3.34 ft at 9:45PM Oct 19, 2017Observed: 3.34 ft at 10:00PM Oct 19, 2017Observed: 3.34 ft at 10:15PM Oct 19, 2017Observed: 3.33 ft at 10:30PM Oct 19, 2017Observed: 3.33 ft at 10:45PM Oct 19, 2017Observed: 3.33 ft at 11:00PM Oct 19, 2017Observed: 3.33 ft at 11:15PM Oct 19, 2017Observed: 3.33 ft at 11:30PM Oct 19, 2017Observed: 3.32 ft at 11:45PM Oct 19, 2017Observed: 3.32 ft at 12:00AM Oct 20, 2017Observed: 3.32 ft at 12:15AM Oct 20, 2017Observed: 3.32 ft at 12:30AM Oct 20, 2017Observed: 3.31 ft at 12:45AM Oct 20, 2017Observed: 3.31 ft at 1:00AM Oct 20, 2017Observed: 3.31 ft at 1:15AM Oct 20, 2017Observed: 3.31 ft at 1:30AM Oct 20, 2017Observed: 3.31 ft at 1:45AM Oct 20, 2017Observed: 3.3 ft at 2:00AM Oct 20, 2017Observed: 3.3 ft at 2:15AM Oct 20, 2017Observed: 3.3 ft at 2:30AM Oct 20, 2017Observed: 3.3 ft at 2:45AM Oct 20, 2017Observed: 3.3 ft at 3:00AM Oct 20, 2017Observed: 3.29 ft at 3:15AM Oct 20, 2017Observed: 3.29 ft at 3:30AM Oct 20, 2017Observed: 3.29 ft at 3:45AM Oct 20, 2017Observed: 3.28 ft at 5:00AM Oct 20, 2017Observed: 3.27 ft at 5:15AM Oct 20, 2017Observed: 3.27 ft at 5:30AM Oct 20, 2017Observed: 3.27 ft at 5:45AM Oct 20, 2017Observed: 3.27 ft at 6:00AM Oct 20, 2017Observed: 3.27 ft at 6:15AM Oct 20, 2017Observed: 3.26 ft at 6:30AM Oct 20, 2017Observed: 3.26 ft at 6:45AM Oct 20, 2017Observed: 3.26 ft at 7:00AM Oct 20, 2017Observed: 3.26 ft at 7:15AM Oct 20, 2017Observed: 3.26 ft at 7:30AM Oct 20, 2017Observed: 3.26 ft at 7:45AM Oct 20, 2017Observed: 3.26 ft at 8:00AM Oct 20, 2017Observed: 3.26 ft at 8:15AM Oct 20, 2017Observed: 3.26 ft at 8:30AM Oct 20, 2017Observed: 3.26 ft at 8:45AM Oct 20, 2017Observed: 3.26 ft at 9:00AM Oct 20, 2017Observed: 3.26 ft at 9:15AM Oct 20, 2017Observed: 3.26 ft at 9:30AM Oct 20, 2017Observed: 3.26 ft at 9:45AM Oct 20, 2017Observed: 3.26 ft at 10:00AM Oct 20, 2017Observed: 3.26 ft at 10:15AM Oct 20, 2017Observed: 3.26 ft at 10:30AM Oct 20, 2017Observed: 3.26 ft at 10:45AM Oct 20, 2017Observed: 3.26 ft at 11:00AM Oct 20, 2017Observed: 3.26 ft at 11:15AM Oct 20, 2017Observed: 3.27 ft at 11:30AM Oct 20, 2017Observed: 3.27 ft at 11:45AM Oct 20, 2017Observed: 3.27 ft at 12:00PM Oct 20, 2017Observed: 3.27 ft at 12:15PM Oct 20, 2017Observed: 3.27 ft at 12:30PM Oct 20, 2017Observed: 3.27 ft at 12:45PM Oct 20, 2017Observed: 3.28 ft at 1:00PM Oct 20, 2017Observed: 3.28 ft at 1:15PM Oct 20, 2017Observed: 3.28 ft at 1:30PM Oct 20, 2017Observed: 3.29 ft at 1:45PM Oct 20, 2017Observed: 3.28 ft at 2:00PM Oct 20, 2017Observed: 3.29 ft at 2:15PM Oct 20, 2017Observed: 3.3 ft at 2:30PM Oct 20, 2017Observed: 3.3 ft at 2:45PM Oct 20, 2017Observed: 3.3 ft at 3:00PM Oct 20, 2017Observed: 3.3 ft at 3:15PM Oct 20, 2017Observed: 3.3 ft at 3:30PM Oct 20, 2017Observed: 3.31 ft at 3:45PM Oct 20, 2017Observed: 3.31 ft at 4:00PM Oct 20, 2017Observed: 3.31 ft at 4:15PM Oct 20, 2017Observed: 3.31 ft at 4:30PM Oct 20, 2017Observed: 3.31 ft at 4:45PM Oct 20, 2017Observed: 3.32 ft at 5:00PM Oct 20, 2017Observed: 3.32 ft at 5:15PM Oct 20, 2017Observed: 3.32 ft at 5:30PM Oct 20, 2017Observed: 3.32 ft at 5:45PM Oct 20, 2017Observed: 3.32 ft at 6:00PM Oct 20, 2017Observed: 3.32 ft at 6:15PM Oct 20, 2017Observed: 3.33 ft at 6:30PM Oct 20, 2017Observed: 3.33 ft at 6:45PM Oct 20, 2017Observed: 3.33 ft at 7:00PM Oct 20, 2017Observed: 3.33 ft at 7:15PM Oct 20, 2017Observed: 3.33 ft at 7:30PM Oct 20, 2017Observed: 3.33 ft at 7:45PM Oct 20, 2017Observed: 3.33 ft at 8:00PM Oct 20, 2017Observed: 3.33 ft at 8:15PM Oct 20, 2017Observed: 3.32 ft at 8:30PM Oct 20, 2017Observed: 3.32 ft at 8:45PM Oct 20, 2017Observed: 3.32 ft at 9:00PM Oct 20, 2017Observed: 3.32 ft at 9:15PM Oct 20, 2017Observed: 3.32 ft at 9:30PM Oct 20, 2017Observed: 3.32 ft at 9:45PM Oct 20, 2017Observed: 3.32 ft at 10:00PM Oct 20, 2017Observed: 3.31 ft at 10:15PM Oct 20, 2017Observed: 3.31 ft at 10:30PM Oct 20, 2017Observed: 3.31 ft at 10:45PM Oct 20, 2017Observed: 3.3 ft at 11:00PM Oct 20, 2017Observed: 3.3 ft at 11:15PM Oct 20, 2017Observed: 3.3 ft at 11:30PM Oct 20, 2017Observed: 3.3 ft at 11:45PM Oct 20, 2017Observed: 3.29 ft at 12:00AM Oct 21, 2017Observed: 3.29 ft at 12:15AM Oct 21, 2017Observed: 3.28 ft at 12:30AM Oct 21, 2017Observed: 3.28 ft at 12:45AM Oct 21, 2017Observed: 3.28 ft at 1:00AM Oct 21, 2017Observed: 3.27 ft at 1:15AM Oct 21, 2017Observed: 3.27 ft at 1:30AM Oct 21, 2017Observed: 3.27 ft at 1:45AM Oct 21, 2017Observed: 3.26 ft at 2:00AM Oct 21, 2017Observed: 3.25 ft at 2:15AM Oct 21, 2017Observed: 3.25 ft at 2:30AM Oct 21, 2017Observed: 3.25 ft at 2:45AM Oct 21, 2017Observed: 3.24 ft at 3:00AM Oct 21, 2017Observed: 3.24 ft at 3:15AM Oct 21, 2017Observed: 3.23 ft at 3:30AM Oct 21, 2017Observed: 3.23 ft at 3:45AM Oct 21, 2017Observed: 3.22 ft at 4:00AM Oct 21, 2017Observed: 3.22 ft at 4:15AM Oct 21, 2017Observed: 3.22 ft at 4:30AM Oct 21, 2017Observed: 3.21 ft at 4:45AM Oct 21, 2017Observed: 3.21 ft at 5:00AM Oct 21, 2017Observed: 3.2 ft at 5:15AM Oct 21, 2017Observed: 3.2 ft at 5:30AM Oct 21, 2017Observed: 3.2 ft at 5:45AM Oct 21, 2017Observed: 3.19 ft at 6:00AM Oct 21, 2017Observed: 3.19 ft at 6:15AM Oct 21, 2017Observed: 3.18 ft at 6:30AM Oct 21, 2017Observed: 3.18 ft at 6:45AM Oct 21, 2017Observed: 3.18 ft at 7:00AM Oct 21, 2017Observed: 3.17 ft at 7:15AM Oct 21, 2017Observed: 3.17 ft at 7:30AM Oct 21, 2017Observed: 3.17 ft at 7:45AM Oct 21, 2017Observed: 3.16 ft at 8:00AM Oct 21, 2017Observed: 3.16 ft at 8:15AM Oct 21, 2017Observed: 3.16 ft at 8:30AM Oct 21, 2017Observed: 3.16 ft at 8:45AM Oct 21, 2017Observed: 3.15 ft at 9:00AM Oct 21, 2017Observed: 3.15 ft at 9:15AM Oct 21, 2017Observed: 3.15 ft at 9:30AM Oct 21, 2017Observed: 3.14 ft at 9:45AM Oct 21, 2017Observed: 3.14 ft at 10:00AM Oct 21, 2017Observed: 3.14 ft at 10:15AM Oct 21, 2017Observed: 3.14 ft at 10:30AM Oct 21, 2017Observed: 3.14 ft at 10:45AM Oct 21, 2017Observed: 3.14 ft at 11:00AM Oct 21, 2017Observed: 3.14 ft at 11:15AM Oct 21, 2017Observed: 3.14 ft at 11:30AM Oct 21, 2017Observed: 3.14 ft at 11:45AM Oct 21, 2017Observed: 3.14 ft at 12:00PM Oct 21, 2017Observed: 3.14 ft at 12:15PM Oct 21, 2017Observed: 3.14 ft at 12:30PM Oct 21, 2017Observed: 3.14 ft at 12:45PM Oct 21, 2017Observed: 3.14 ft at 1:00PM Oct 21, 2017Observed: 3.15 ft at 1:15PM Oct 21, 2017Observed: 3.15 ft at 1:30PM Oct 21, 2017Observed: 3.15 ft at 1:45PM Oct 21, 2017Observed: 3.15 ft at 2:00PM Oct 21, 2017Observed: 3.16 ft at 2:15PM Oct 21, 2017Observed: 3.16 ft at 2:30PM Oct 21, 2017Observed: 3.16 ft at 2:45PM Oct 21, 2017Observed: 3.17 ft at 3:00PM Oct 21, 2017Observed: 3.17 ft at 3:15PM Oct 21, 2017Observed: 3.19 ft at 3:30PM Oct 21, 2017Observed: 3.19 ft at 3:45PM Oct 21, 2017Observed: 3.19 ft at 4:00PM Oct 21, 2017Observed: 3.2 ft at 4:15PM Oct 21, 2017Observed: 3.2 ft at 4:30PM Oct 21, 2017Observed: 3.21 ft at 4:45PM Oct 21, 2017Observed: 3.21 ft at 5:00PM Oct 21, 2017Observed: 3.21 ft at 5:15PM Oct 21, 2017Observed: 3.22 ft at 5:30PM Oct 21, 2017Observed: 3.22 ft at 5:45PM Oct 21, 2017Observed: 3.23 ft at 6:00PM Oct 21, 2017Observed: 3.23 ft at 6:15PM Oct 21, 2017Observed: 3.24 ft at 6:30PM Oct 21, 2017Observed: 3.24 ft at 6:45PM Oct 21, 2017Observed: 3.25 ft at 7:00PM Oct 21, 2017Observed: 3.25 ft at 7:15PM Oct 21, 2017Observed: 3.25 ft at 7:30PM Oct 21, 2017Observed: 3.26 ft at 7:45PM Oct 21, 2017Observed: 3.26 ft at 8:00PM Oct 21, 2017Observed: 3.26 ft at 8:15PM Oct 21, 2017Observed: 3.26 ft at 8:30PM Oct 21, 2017Observed: 3.27 ft at 8:45PM Oct 21, 2017Observed: 3.27 ft at 9:00PM Oct 21, 2017Observed: 3.27 ft at 9:15PM Oct 21, 2017Observed: 3.27 ft at 9:30PM Oct 21, 2017Observed: 3.27 ft at 9:45PM Oct 21, 2017Observed: 3.28 ft at 10:00PM Oct 21, 2017Observed: 3.28 ft at 10:15PM Oct 21, 2017Observed: 3.27 ft at 10:30PM Oct 21, 2017Observed: 3.28 ft at 10:45PM Oct 21, 2017Observed: 3.27 ft at 11:00PM Oct 21, 2017Observed: 3.28 ft at 11:15PM Oct 21, 2017Observed: 3.27 ft at 11:30PM Oct 21, 2017Observed: 3.27 ft at 11:45PM Oct 21, 2017Observed: 3.27 ft at 12:00AM Oct 22, 2017Observed: 3.27 ft at 12:15AM Oct 22, 2017Observed: 3.27 ft at 12:30AM Oct 22, 2017Observed: 3.27 ft at 12:45AM Oct 22, 2017Observed: 3.27 ft at 1:00AM Oct 22, 2017Observed: 3.27 ft at 1:15AM Oct 22, 2017Observed: 3.27 ft at 1:30AM Oct 22, 2017Observed: 3.26 ft at 1:45AM Oct 22, 2017Observed: 3.26 ft at 2:00AM Oct 22, 2017Observed: 3.26 ft at 2:15AM Oct 22, 2017Observed: 3.25 ft at 2:30AM Oct 22, 2017Observed: 3.25 ft at 2:45AM Oct 22, 2017Observed: 3.25 ft at 3:00AM Oct 22, 2017Observed: 3.25 ft at 3:15AM Oct 22, 2017Observed: 3.24 ft at 3:30AM Oct 22, 2017Observed: 3.24 ft at 3:45AM Oct 22, 2017Observed: 3.24 ft at 4:00AM Oct 22, 2017Observed: 3.23 ft at 4:15AM Oct 22, 2017Observed: 3.23 ft at 4:30AM Oct 22, 2017Observed: 3.22 ft at 4:45AM Oct 22, 2017Observed: 3.22 ft at 5:00AM Oct 22, 2017Observed: 3.22 ft at 5:15AM Oct 22, 2017Observed: 3.21 ft at 5:30AM Oct 22, 2017Observed: 3.21 ft at 5:45AM Oct 22, 2017Observed: 3.2 ft at 6:00AM Oct 22, 2017Observed: 3.2 ft at 6:15AM Oct 22, 2017Observed: 3.2 ft at 6:30AM Oct 22, 2017Observed: 3.19 ft at 6:45AM Oct 22, 2017Observed: 3.19 ft at 7:00AM Oct 22, 2017Observed: 3.18 ft at 7:15AM Oct 22, 2017Observed: 3.18 ft at 7:30AM Oct 22, 2017Observed: 3.17 ft at 7:45AM Oct 22, 2017Observed: 3.17 ft at 8:00AM Oct 22, 2017Observed: 3.17 ft at 8:15AM Oct 22, 2017Observed: 3.16 ft at 8:30AM Oct 22, 2017Observed: 3.16 ft at 8:45AM Oct 22, 2017Observed: 3.15 ft at 9:00AM Oct 22, 2017Observed: 3.15 ft at 9:15AM Oct 22, 2017Observed: 3.14 ft at 9:30AM Oct 22, 2017Observed: 3.14 ft at 9:45AM Oct 22, 2017Observed: 3.14 ft at 10:00AM Oct 22, 2017Observed: 3.13 ft at 10:15AM Oct 22, 2017Observed: 3.13 ft at 10:30AM Oct 22, 2017Observed: 3.13 ft at 10:45AM Oct 22, 2017Observed: 3.12 ft at 11:00AM Oct 22, 2017Observed: 3.12 ft at 11:15AM Oct 22, 2017Observed: 3.12 ft at 11:30AM Oct 22, 2017Observed: 3.11 ft at 11:45AM Oct 22, 2017Observed: 3.11 ft at 12:00PM Oct 22, 2017Observed: 3.1 ft at 12:15PM Oct 22, 2017Observed: 3.1 ft at 12:30PM Oct 22, 2017Observed: 3.1 ft at 12:45PM Oct 22, 2017Observed: 3.1 ft at 1:00PM Oct 22, 2017Observed: 3.1 ft at 1:15PM Oct 22, 2017Observed: 3.09 ft at 1:30PM Oct 22, 2017Observed: 3.1 ft at 1:45PM Oct 22, 2017Observed: 3.09 ft at 2:00PM Oct 22, 2017Observed: 3.09 ft at 2:15PM Oct 22, 2017Observed: 3.09 ft at 2:30PM Oct 22, 2017Observed: 3.09 ft at 2:45PM Oct 22, 2017Observed: 3.09 ft at 3:00PM Oct 22, 2017Observed: 3.09 ft at 3:15PM Oct 22, 2017Observed: 3.09 ft at 3:30PM Oct 22, 2017Observed: 3.09 ft at 3:45PM Oct 22, 2017Observed: 3.08 ft at 4:00PM Oct 22, 2017Observed: 3.09 ft at 4:15PM Oct 22, 2017Observed: 3.09 ft at 4:30PM Oct 22, 2017Observed: 3.09 ft at 4:45PM Oct 22, 2017Observed: 3.09 ft at 5:00PM Oct 22, 2017Observed: 3.09 ft at 5:15PM Oct 22, 2017Observed: 3.1 ft at 5:30PM Oct 22, 2017Observed: 3.09 ft at 5:45PM Oct 22, 2017Observed: 3.1 ft at 6:00PM Oct 22, 2017Observed: 3.1 ft at 6:15PM Oct 22, 2017Observed: 3.1 ft at 6:30PM Oct 22, 2017Observed: 3.1 ft at 6:45PM Oct 22, 2017Observed: 3.1 ft at 7:00PM Oct 22, 2017Observed: 3.1 ft at 7:15PM Oct 22, 2017Observed: 3.1 ft at 7:30PM Oct 22, 2017Observed: 3.1 ft at 7:45PM Oct 22, 2017Observed: 3.1 ft at 8:00PM Oct 22, 2017Observed: 3.1 ft at 8:15PM Oct 22, 2017Observed: 3.1 ft at 8:30PM Oct 22, 2017Observed: 3.1 ft at 8:45PM Oct 22, 2017Observed: 3.1 ft at 9:00PM Oct 22, 2017Observed: 3.1 ft at 9:15PM Oct 22, 2017Observed: 3.11 ft at 9:30PM Oct 22, 2017Observed: 3.11 ft at 9:45PM Oct 22, 2017Observed: 3.11 ft at 10:00PM Oct 22, 2017Observed: 3.11 ft at 10:15PM Oct 22, 2017Observed: 3.11 ft at 10:30PM Oct 22, 2017Observed: 3.11 ft at 10:45PM Oct 22, 2017Observed: 3.1 ft at 11:00PM Oct 22, 2017Observed: 3.11 ft at 11:15PM Oct 22, 2017Observed: 3.11 ft at 11:30PM Oct 22, 2017Observed: 3.1 ft at 11:45PM Oct 22, 2017Observed: 3.1 ft at 12:00AM Oct 23, 2017Observed: 3.11 ft at 12:15AM Oct 23, 2017Observed: 3.11 ft at 12:30AM Oct 23, 2017Observed: 3.11 ft at 12:45AM Oct 23, 2017Observed: 3.11 ft at 1:00AM Oct 23, 2017Observed: 3.11 ft at 1:15AM Oct 23, 2017Observed: 3.11 ft at 1:30AM Oct 23, 2017Observed: 3.11 ft at 1:45AM Oct 23, 2017Observed: 3.11 ft at 2:00AM Oct 23, 2017Observed: 3.11 ft at 2:15AM Oct 23, 2017Observed: 3.11 ft at 2:30AM Oct 23, 2017Observed: 3.11 ft at 2:45AM Oct 23, 2017Observed: 3.11 ft at 3:00AM Oct 23, 2017Observed: 3.11 ft at 3:15AM Oct 23, 2017Observed: 3.11 ft at 3:30AM Oct 23, 2017Observed: 3.11 ft at 3:45AM Oct 23, 2017Observed: 3.11 ft at 4:00AM Oct 23, 2017Observed: 3.11 ft at 4:15AM Oct 23, 2017Observed: 3.11 ft at 4:30AM Oct 23, 2017Observed: 3.11 ft at 4:45AM Oct 23, 2017Observed: 3.1 ft at 5:00AM Oct 23, 2017Observed: 3.1 ft at 5:15AM Oct 23, 2017Observed: 3.1 ft at 5:30AM Oct 23, 2017Observed: 3.1 ft at 5:45AM Oct 23, 2017Observed: 3.1 ft at 6:00AM Oct 23, 2017Observed: 3.1 ft at 6:15AM Oct 23, 2017Observed: 3.1 ft at 6:30AM Oct 23, 2017Observed: 3.1 ft at 6:45AM Oct 23, 2017Observed: 3.1 ft at 7:00AM Oct 23, 2017Observed: 3.1 ft at 7:15AM Oct 23, 2017Observed: 3.1 ft at 7:30AM Oct 23, 2017Observed: 3.1 ft at 7:45AM Oct 23, 2017Observed: 3.1 ft at 8:00AM Oct 23, 2017Observed: 3.1 ft at 8:15AM Oct 23, 2017Observed: 3.1 ft at 8:30AM Oct 23, 2017Observed: 3.1 ft at 8:45AM Oct 23, 2017Observed: 3.09 ft at 9:00AM Oct 23, 2017Observed: 3.1 ft at 9:15AM Oct 23, 2017Observed: 3.1 ft at 9:30AM Oct 23, 2017Observed: 3.09 ft at 9:45AM Oct 23, 2017Observed: 3.09 ft at 10:00AM Oct 23, 2017Observed: 3.09 ft at 10:15AM Oct 23, 2017Observed: 3.09 ft at 10:30AM Oct 23, 2017Observed: 3.09 ft at 10:45AM Oct 23, 2017Observed: 3.09 ft at 11:00AM Oct 23, 2017Observed: 3.09 ft at 11:15AM Oct 23, 2017Observed: 3.08 ft at 11:30AM Oct 23, 2017Observed: 3.09 ft at 11:45AM Oct 23, 2017Observed: 3.09 ft at 12:00PM Oct 23, 2017Observed: 3.09 ft at 12:15PM Oct 23, 2017Observed: 3.09 ft at 12:30PM Oct 23, 2017Observed: 3.09 ft at 12:45PM Oct 23, 2017Observed: 3.09 ft at 1:00PM Oct 23, 2017Observed: 3.09 ft at 1:15PM Oct 23, 2017Observed: 3.09 ft at 1:30PM Oct 23, 2017Observed: 3.09 ft at 1:45PM Oct 23, 2017Observed: 3.1 ft at 2:00PM Oct 23, 2017Observed: 3.09 ft at 2:15PM Oct 23, 2017Observed: 3.1 ft at 2:30PM Oct 23, 2017Observed: 3.1 ft at 2:45PM Oct 23, 2017Observed: 3.11 ft at 3:00PM Oct 23, 2017Observed: 3.1 ft at 3:15PM Oct 23, 2017Observed: 3.1 ft at 3:30PM Oct 23, 2017Observed: 3.1 ft at 3:45PM Oct 23, 2017Observed: 3.1 ft at 4:00PM Oct 23, 2017Observed: 3.11 ft at 4:15PM Oct 23, 2017Observed: 3.11 ft at 4:30PM Oct 23, 2017Observed: 3.11 ft at 4:45PM Oct 23, 2017Observed: 3.11 ft at 5:00PM Oct 23, 2017Observed: 3.1 ft at 5:15PM Oct 23, 2017Observed: 3.11 ft at 5:30PM Oct 23, 2017Observed: 3.11 ft at 5:45PM Oct 23, 2017Observed: 3.11 ft at 6:00PM Oct 23, 2017Observed: 3.11 ft at 6:15PM Oct 23, 2017Observed: 3.11 ft at 6:30PM Oct 23, 2017Observed: 3.12 ft at 6:45PM Oct 23, 2017Observed: 3.12 ft at 7:00PM Oct 23, 2017Observed: 3.12 ft at 7:15PM Oct 23, 2017Observed: 3.12 ft at 7:30PM Oct 23, 2017Observed: 3.12 ft at 7:45PM Oct 23, 2017Observed: 3.12 ft at 8:00PM Oct 23, 2017Observed: 3.12 ft at 8:15PM Oct 23, 2017Observed: 3.13 ft at 8:30PM Oct 23, 2017Observed: 3.12 ft at 8:45PM Oct 23, 2017Observed: 3.12 ft at 9:00PM Oct 23, 2017Observed: 3.13 ft at 9:15PM Oct 23, 2017Observed: 3.13 ft at 9:30PM Oct 23, 2017Observed: 3.13 ft at 9:45PM Oct 23, 2017Observed: 3.13 ft at 10:00PM Oct 23, 2017Observed: 3.13 ft at 10:15PM Oct 23, 2017Observed: 3.12 ft at 10:30PM Oct 23, 2017Observed: 3.13 ft at 10:45PM Oct 23, 2017Observed: 3.12 ft at 11:00PM Oct 23, 2017Observed: 3.13 ft at 11:15PM Oct 23, 2017Observed: 3.13 ft at 11:30PM Oct 23, 2017Observed: 3.15 ft at 11:45PM Oct 23, 2017Highest Forecast: 3.2 ft 2:00AM Oct 24, 2017Forecast: 3.1 ft 8:00AM Oct 24, 2017Forecast: 3.1 ft 2:00PM Oct 24, 2017Highest Forecast: 3.2 ft 8:00PM Oct 24, 2017Forecast: 3.1 ft 2:00AM Oct 25, 2017Forecast: 3.1 ft 8:00AM Oct 25, 2017Forecast: 3.1 ft 2:00PM Oct 25, 2017Forecast: 3.1 ft 8:00PM Oct 25, 2017Forecast: 3.1 ft 2:00AM Oct 26, 2017Forecast: 3.1 ft 8:00AM Oct 26, 2017USGS--Water Resources of the United StatesEDFM2(plotting HGIRG) Graph Created (12:09AM Oct 24, 2017)ObservedForecast (issued 9:44AM Oct 23)Latest observed value: 3.15 ft at 11:45 PM EDT 23-Oct-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
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(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
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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
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
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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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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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