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Hydrograph River at a Glance Download
Potomac River at Lewisetta Tide Height (ft)Observed: 1.25 ft at 10:42PM Aug 19, 2019Observed: 1.29 ft at 10:48PM Aug 19, 2019Observed: 1.26 ft at 10:54PM Aug 19, 2019Observed: 1.26 ft at 11:00PM Aug 19, 2019Observed: 1.28 ft at 11:06PM Aug 19, 2019Observed: 1.26 ft at 11:12PM Aug 19, 2019Observed: 1.23 ft at 11:18PM Aug 19, 2019Observed: 1.24 ft at 11:24PM Aug 19, 2019Observed: 1.22 ft at 11:30PM Aug 19, 2019Observed: 1.24 ft at 11:36PM Aug 19, 2019Observed: 1.28 ft at 11:42PM Aug 19, 2019Observed: 1.29 ft at 11:48PM Aug 19, 2019Observed: 1.31 ft at 11:54PM Aug 19, 2019Observed: 1.36 ft at 12:00AM Aug 20, 2019Observed: 1.42 ft at 12:06AM Aug 20, 2019Observed: 1.45 ft at 12:12AM Aug 20, 2019Observed: 1.47 ft at 12:18AM Aug 20, 2019Observed: 1.49 ft at 12:24AM Aug 20, 2019Observed: 1.48 ft at 12:30AM Aug 20, 2019Observed: 1.5 ft at 12:36AM Aug 20, 2019Observed: 1.5 ft at 12:42AM Aug 20, 2019Observed: 1.48 ft at 12:48AM Aug 20, 2019Observed: 1.49 ft at 12:54AM Aug 20, 2019Observed: 1.51 ft at 1:00AM Aug 20, 2019Observed: 1.52 ft at 1:06AM Aug 20, 2019Observed: 1.55 ft at 1:12AM Aug 20, 2019Observed: 1.56 ft at 1:18AM Aug 20, 2019Observed: 1.6 ft at 1:24AM Aug 20, 2019Observed: 1.65 ft at 1:30AM Aug 20, 2019Observed: 1.69 ft at 1:36AM Aug 20, 2019Observed: 1.73 ft at 1:42AM Aug 20, 2019Observed: 1.77 ft at 1:48AM Aug 20, 2019Observed: 1.83 ft at 1:54AM Aug 20, 2019Observed: 1.88 ft at 2:00AM Aug 20, 2019Observed: 1.9 ft at 2:06AM Aug 20, 2019Observed: 1.91 ft at 2:12AM Aug 20, 2019Observed: 1.92 ft at 2:18AM Aug 20, 2019Observed: 1.95 ft at 2:24AM Aug 20, 2019Observed: 1.95 ft at 2:30AM Aug 20, 2019Observed: 1.98 ft at 2:36AM Aug 20, 2019Observed: 2 ft at 2:42AM Aug 20, 2019Observed: 2.03 ft at 2:48AM Aug 20, 2019Observed: 2.06 ft at 2:54AM Aug 20, 2019Observed: 2.08 ft at 3:00AM Aug 20, 2019Observed: 2.09 ft at 3:06AM Aug 20, 2019Observed: 2.13 ft at 3:12AM Aug 20, 2019Observed: 2.16 ft at 3:18AM Aug 20, 2019Observed: 2.18 ft at 3:24AM Aug 20, 2019Observed: 2.2 ft at 3:30AM Aug 20, 2019Observed: 2.21 ft at 3:36AM Aug 20, 2019Observed: 2.23 ft at 3:42AM Aug 20, 2019Observed: 2.24 ft at 3:48AM Aug 20, 2019Observed: 2.23 ft at 3:54AM Aug 20, 2019Observed: 2.24 ft at 4:00AM Aug 20, 2019Observed: 2.26 ft at 4:06AM Aug 20, 2019Observed: 2.26 ft at 4:12AM Aug 20, 2019Observed: 2.28 ft at 4:18AM Aug 20, 2019Observed: 2.29 ft at 4:24AM Aug 20, 2019Observed: 2.29 ft at 4:30AM Aug 20, 2019Observed: 2.3 ft at 4:36AM Aug 20, 2019Observed: 2.31 ft at 4:42AM Aug 20, 2019Observed: 2.31 ft at 4:48AM Aug 20, 2019Highest Observation: 2.32 ft at 4:54AM Aug 20, 2019Highest Observation: 2.32 ft at 5:00AM Aug 20, 2019Observed: 2.31 ft at 5:06AM Aug 20, 2019Observed: 2.31 ft at 5:12AM Aug 20, 2019Observed: 2.3 ft at 5:18AM Aug 20, 2019Observed: 2.3 ft at 5:24AM Aug 20, 2019Observed: 2.3 ft at 5:30AM Aug 20, 2019Observed: 2.29 ft at 5:36AM Aug 20, 2019Observed: 2.28 ft at 5:42AM Aug 20, 2019Observed: 2.26 ft at 5:48AM Aug 20, 2019Observed: 2.24 ft at 5:54AM Aug 20, 2019Observed: 2.22 ft at 6:00AM Aug 20, 2019Observed: 2.21 ft at 6:06AM Aug 20, 2019Observed: 2.19 ft at 6:12AM Aug 20, 2019Observed: 2.18 ft at 6:18AM Aug 20, 2019Observed: 2.16 ft at 6:24AM Aug 20, 2019Observed: 2.13 ft at 6:30AM Aug 20, 2019Observed: 2.1 ft at 6:36AM Aug 20, 2019Observed: 2.07 ft at 6:42AM Aug 20, 2019Observed: 2.05 ft at 6:48AM Aug 20, 2019Observed: 2.02 ft at 6:54AM Aug 20, 2019Observed: 1.99 ft at 7:00AM Aug 20, 2019Observed: 1.96 ft at 7:06AM Aug 20, 2019Observed: 1.93 ft at 7:12AM Aug 20, 2019Observed: 1.9 ft at 7:18AM Aug 20, 2019Observed: 1.87 ft at 7:24AM Aug 20, 2019Observed: 1.84 ft at 7:30AM Aug 20, 2019Observed: 1.8 ft at 7:36AM Aug 20, 2019Observed: 1.77 ft at 7:42AM Aug 20, 2019Observed: 1.74 ft at 7:48AM Aug 20, 2019Observed: 1.7 ft at 7:54AM Aug 20, 2019Observed: 1.67 ft at 8:00AM Aug 20, 2019Observed: 1.64 ft at 8:06AM Aug 20, 2019Observed: 1.62 ft at 8:12AM Aug 20, 2019Observed: 1.59 ft at 8:18AM Aug 20, 2019Observed: 1.55 ft at 8:24AM Aug 20, 2019Observed: 1.52 ft at 8:30AM Aug 20, 2019Observed: 1.48 ft at 8:36AM Aug 20, 2019Observed: 1.45 ft at 8:42AM Aug 20, 2019Observed: 1.41 ft at 8:48AM Aug 20, 2019Observed: 1.39 ft at 8:54AM Aug 20, 2019Observed: 1.36 ft at 9:00AM Aug 20, 2019Observed: 1.33 ft at 9:06AM Aug 20, 2019Observed: 1.3 ft at 9:12AM Aug 20, 2019Observed: 1.27 ft at 9:18AM Aug 20, 2019Observed: 1.24 ft at 9:24AM Aug 20, 2019Observed: 1.22 ft at 9:30AM Aug 20, 2019Observed: 1.2 ft at 9:36AM Aug 20, 2019Observed: 1.18 ft at 9:42AM Aug 20, 2019Observed: 1.16 ft at 9:48AM Aug 20, 2019Observed: 1.14 ft at 9:54AM Aug 20, 2019Observed: 1.12 ft at 10:00AM Aug 20, 2019Observed: 1.1 ft at 10:06AM Aug 20, 2019Observed: 1.08 ft at 10:12AM Aug 20, 2019Observed: 1.07 ft at 10:18AM Aug 20, 2019Observed: 1.05 ft at 10:24AM Aug 20, 2019Observed: 1.02 ft at 10:30AM Aug 20, 2019Observed: 1 ft at 10:36AM Aug 20, 2019Observed: 0.98 ft at 10:42AM Aug 20, 2019Observed: 0.96 ft at 10:48AM Aug 20, 2019Observed: 0.96 ft at 10:54AM Aug 20, 2019Observed: 0.95 ft at 11:00AM Aug 20, 2019Observed: 0.94 ft at 11:06AM Aug 20, 2019Observed: 0.93 ft at 11:12AM Aug 20, 2019Observed: 0.92 ft at 11:18AM Aug 20, 2019Observed: 0.91 ft at 11:24AM Aug 20, 2019Observed: 0.91 ft at 11:30AM Aug 20, 2019Observed: 0.91 ft at 11:36AM Aug 20, 2019Observed: 0.92 ft at 11:42AM Aug 20, 2019Observed: 0.92 ft at 11:48AM Aug 20, 2019Observed: 0.91 ft at 11:54AM Aug 20, 2019Observed: 0.92 ft at 12:00PM Aug 20, 2019Observed: 0.93 ft at 12:06PM Aug 20, 2019Observed: 0.94 ft at 12:12PM Aug 20, 2019Observed: 0.95 ft at 12:18PM Aug 20, 2019Observed: 0.97 ft at 12:24PM Aug 20, 2019Observed: 0.99 ft at 12:30PM Aug 20, 2019Observed: 1.01 ft at 12:36PM Aug 20, 2019Observed: 1.03 ft at 12:42PM Aug 20, 2019Observed: 1.06 ft at 12:48PM Aug 20, 2019Observed: 1.08 ft at 12:54PM Aug 20, 2019Observed: 1.1 ft at 1:00PM Aug 20, 2019Observed: 1.13 ft at 1:06PM Aug 20, 2019Observed: 1.15 ft at 1:12PM Aug 20, 2019Observed: 1.18 ft at 1:18PM Aug 20, 2019Observed: 1.21 ft at 1:24PM Aug 20, 2019Observed: 1.25 ft at 1:30PM Aug 20, 2019Observed: 1.28 ft at 1:36PM Aug 20, 2019Observed: 1.31 ft at 1:42PM Aug 20, 2019Observed: 1.34 ft at 1:48PM Aug 20, 2019Observed: 1.36 ft at 1:54PM Aug 20, 2019Observed: 1.39 ft at 2:00PM Aug 20, 2019Observed: 1.43 ft at 2:06PM Aug 20, 2019Observed: 1.46 ft at 2:12PM Aug 20, 2019Observed: 1.51 ft at 2:18PM Aug 20, 2019Observed: 1.54 ft at 2:24PM Aug 20, 2019Observed: 1.56 ft at 2:30PM Aug 20, 2019Observed: 1.58 ft at 2:36PM Aug 20, 2019Observed: 1.61 ft at 2:42PM Aug 20, 2019Observed: 1.63 ft at 2:48PM Aug 20, 2019Observed: 1.66 ft at 2:54PM Aug 20, 2019Observed: 1.69 ft at 3:00PM Aug 20, 2019Observed: 1.73 ft at 3:06PM Aug 20, 2019Observed: 1.77 ft at 3:12PM Aug 20, 2019Observed: 1.8 ft at 3:18PM Aug 20, 2019Observed: 1.82 ft at 3:24PM Aug 20, 2019Observed: 1.85 ft at 3:30PM Aug 20, 2019Observed: 1.88 ft at 3:36PM Aug 20, 2019Observed: 1.91 ft at 3:42PM Aug 20, 2019Observed: 1.93 ft at 3:48PM Aug 20, 2019Observed: 1.96 ft at 3:54PM Aug 20, 2019Observed: 1.98 ft at 4:00PM Aug 20, 2019Observed: 2 ft at 4:06PM Aug 20, 2019Observed: 2.01 ft at 4:12PM Aug 20, 2019Observed: 2.03 ft at 4:18PM Aug 20, 2019Observed: 2.04 ft at 4:24PM Aug 20, 2019Observed: 2.06 ft at 4:30PM Aug 20, 2019Observed: 2.08 ft at 4:36PM Aug 20, 2019Observed: 2.1 ft at 4:42PM Aug 20, 2019Observed: 2.13 ft at 4:48PM Aug 20, 2019Observed: 2.16 ft at 4:54PM Aug 20, 2019Observed: 2.17 ft at 5:00PM Aug 20, 2019Observed: 2.15 ft at 5:12PM Aug 20, 2019Observed: 2.14 ft at 5:18PM Aug 20, 2019Observed: 2.12 ft at 5:24PM Aug 20, 2019Observed: 2.1 ft at 5:30PM Aug 20, 2019Observed: 2.1 ft at 5:36PM Aug 20, 2019Observed: 2.12 ft at 5:42PM Aug 20, 2019Observed: 2.15 ft at 5:48PM Aug 20, 2019Observed: 2.08 ft at 5:54PM Aug 20, 2019Observed: 2.06 ft at 6:00PM Aug 20, 2019Observed: 2.05 ft at 6:06PM Aug 20, 2019Observed: 2.06 ft at 6:12PM Aug 20, 2019Observed: 2.08 ft at 6:18PM Aug 20, 2019Observed: 2.08 ft at 6:24PM Aug 20, 2019Observed: 2.08 ft at 6:30PM Aug 20, 2019Observed: 2.06 ft at 6:42PM Aug 20, 2019Observed: 2.01 ft at 6:48PM Aug 20, 2019Observed: 1.97 ft at 6:54PM Aug 20, 2019Observed: 1.95 ft at 7:00PM Aug 20, 2019Observed: 1.94 ft at 7:06PM Aug 20, 2019Observed: 1.9 ft at 7:12PM Aug 20, 2019Observed: 1.88 ft at 7:18PM Aug 20, 2019Observed: 1.84 ft at 7:24PM Aug 20, 2019Observed: 1.81 ft at 7:30PM Aug 20, 2019Observed: 1.76 ft at 7:36PM Aug 20, 2019Observed: 1.74 ft at 7:42PM Aug 20, 2019Observed: 1.69 ft at 7:54PM Aug 20, 2019Observed: 1.67 ft at 8:00PM Aug 20, 2019Observed: 1.64 ft at 8:06PM Aug 20, 2019Observed: 1.63 ft at 8:12PM Aug 20, 2019Observed: 1.6 ft at 8:18PM Aug 20, 2019Observed: 1.55 ft at 8:24PM Aug 20, 2019Observed: 1.54 ft at 8:30PM Aug 20, 2019Observed: 1.51 ft at 8:36PM Aug 20, 2019Observed: 1.46 ft at 8:42PM Aug 20, 2019Observed: 1.44 ft at 8:48PM Aug 20, 2019Observed: 1.44 ft at 8:54PM Aug 20, 2019Observed: 1.41 ft at 9:00PM Aug 20, 2019Observed: 1.44 ft at 9:06PM Aug 20, 2019Observed: 1.44 ft at 9:12PM Aug 20, 2019Observed: 1.42 ft at 9:18PM Aug 20, 2019Observed: 1.43 ft at 9:24PM Aug 20, 2019Observed: 1.41 ft at 9:30PM Aug 20, 2019Observed: 1.4 ft at 9:36PM Aug 20, 2019Observed: 1.44 ft at 9:42PM Aug 20, 2019Observed: 1.39 ft at 9:48PM Aug 20, 2019Observed: 1.28 ft at 9:54PM Aug 20, 2019Observed: 1.19 ft at 10:00PM Aug 20, 2019Observed: 1.09 ft at 10:06PM Aug 20, 2019Observed: 0.95 ft at 10:12PM Aug 20, 2019Observed: 0.92 ft at 10:18PM Aug 20, 2019Observed: 0.93 ft at 10:24PM Aug 20, 2019Observed: 1 ft at 10:30PM Aug 20, 2019Observed: 1.01 ft at 10:42PM Aug 20, 2019Observed: 0.95 ft at 10:48PM Aug 20, 2019Observed: 0.87 ft at 10:54PM Aug 20, 2019Observed: 0.87 ft at 11:00PM Aug 20, 2019Observed: 0.85 ft at 11:06PM Aug 20, 2019Observed: 0.8 ft at 11:12PM Aug 20, 2019Observed: 0.81 ft at 11:18PM Aug 20, 2019Observed: 0.84 ft at 11:24PM Aug 20, 2019Observed: 0.78 ft at 11:30PM Aug 20, 2019Observed: 0.72 ft at 11:36PM Aug 20, 2019Observed: 0.68 ft at 11:42PM Aug 20, 2019Observed: 0.68 ft at 11:48PM Aug 20, 2019Observed: 0.69 ft at 11:54PM Aug 20, 2019Observed: 0.66 ft at 12:00AM Aug 21, 2019Observed: 0.67 ft at 12:06AM Aug 21, 2019Observed: 0.7 ft at 12:12AM Aug 21, 2019Observed: 0.71 ft at 12:18AM Aug 21, 2019Observed: 0.76 ft at 12:24AM Aug 21, 2019Observed: 0.78 ft at 12:30AM Aug 21, 2019Observed: 0.8 ft at 12:36AM Aug 21, 2019Observed: 0.86 ft at 12:42AM Aug 21, 2019Observed: 0.89 ft at 12:48AM Aug 21, 2019Observed: 0.88 ft at 12:54AM Aug 21, 2019Observed: 0.94 ft at 1:00AM Aug 21, 2019Observed: 0.94 ft at 1:06AM Aug 21, 2019Observed: 0.91 ft at 1:12AM Aug 21, 2019Observed: 0.94 ft at 1:18AM Aug 21, 2019Observed: 0.97 ft at 1:24AM Aug 21, 2019Observed: 1 ft at 1:30AM Aug 21, 2019Observed: 1.02 ft at 1:36AM Aug 21, 2019Observed: 1.06 ft at 1:42AM Aug 21, 2019Observed: 1.12 ft at 1:48AM Aug 21, 2019Observed: 1.21 ft at 2:00AM Aug 21, 2019Observed: 1.23 ft at 2:06AM Aug 21, 2019Observed: 1.27 ft at 2:12AM Aug 21, 2019Observed: 1.34 ft at 2:18AM Aug 21, 2019Observed: 1.35 ft at 2:24AM Aug 21, 2019Observed: 1.37 ft at 2:30AM Aug 21, 2019Observed: 1.41 ft at 2:36AM Aug 21, 2019Observed: 1.44 ft at 2:42AM Aug 21, 2019Observed: 1.51 ft at 2:48AM Aug 21, 2019Observed: 1.52 ft at 2:54AM Aug 21, 2019Observed: 1.53 ft at 3:00AM Aug 21, 2019Observed: 1.57 ft at 3:06AM Aug 21, 2019Observed: 1.57 ft at 3:12AM Aug 21, 2019Observed: 1.58 ft at 3:18AM Aug 21, 2019Observed: 1.6 ft at 3:24AM Aug 21, 2019Observed: 1.64 ft at 3:30AM Aug 21, 2019Observed: 1.69 ft at 3:36AM Aug 21, 2019Observed: 1.71 ft at 3:42AM Aug 21, 2019Observed: 1.72 ft at 3:48AM Aug 21, 2019Observed: 1.75 ft at 3:54AM Aug 21, 2019Observed: 1.77 ft at 4:00AM Aug 21, 2019Observed: 1.78 ft at 4:06AM Aug 21, 2019Observed: 1.78 ft at 4:12AM Aug 21, 2019Observed: 1.8 ft at 4:18AM Aug 21, 2019Observed: 1.82 ft at 4:24AM Aug 21, 2019Observed: 1.83 ft at 4:30AM Aug 21, 2019Observed: 1.83 ft at 4:36AM Aug 21, 2019Observed: 1.84 ft at 4:42AM Aug 21, 2019Observed: 1.87 ft at 4:48AM Aug 21, 2019Observed: 1.89 ft at 4:54AM Aug 21, 2019Observed: 1.91 ft at 5:00AM Aug 21, 2019Observed: 1.93 ft at 5:06AM Aug 21, 2019Observed: 1.94 ft at 5:12AM Aug 21, 2019Observed: 1.96 ft at 5:18AM Aug 21, 2019Observed: 1.98 ft at 5:24AM Aug 21, 2019Observed: 1.98 ft at 5:30AM Aug 21, 2019Observed: 1.98 ft at 5:36AM Aug 21, 2019Observed: 1.98 ft at 5:42AM Aug 21, 2019Observed: 2 ft at 5:48AM Aug 21, 2019Observed: 1.99 ft at 5:54AM Aug 21, 2019Observed: 1.99 ft at 6:00AM Aug 21, 2019Observed: 1.99 ft at 6:06AM Aug 21, 2019Observed: 1.98 ft at 6:12AM Aug 21, 2019Observed: 1.98 ft at 6:18AM Aug 21, 2019Observed: 1.98 ft at 6:24AM Aug 21, 2019Observed: 1.97 ft at 6:30AM Aug 21, 2019Observed: 1.97 ft at 6:36AM Aug 21, 2019Observed: 1.96 ft at 6:42AM Aug 21, 2019Observed: 1.95 ft at 6:48AM Aug 21, 2019Observed: 1.93 ft at 6:54AM Aug 21, 2019Observed: 1.92 ft at 7:00AM Aug 21, 2019Observed: 1.89 ft at 7:06AM Aug 21, 2019Observed: 1.88 ft at 7:12AM Aug 21, 2019Observed: 1.86 ft at 7:18AM Aug 21, 2019Observed: 1.83 ft at 7:24AM Aug 21, 2019Observed: 1.82 ft at 7:30AM Aug 21, 2019Observed: 1.78 ft at 7:36AM Aug 21, 2019Observed: 1.75 ft at 7:42AM Aug 21, 2019Observed: 1.73 ft at 7:48AM Aug 21, 2019Observed: 1.71 ft at 7:54AM Aug 21, 2019Observed: 1.69 ft at 8:00AM Aug 21, 2019Observed: 1.67 ft at 8:06AM Aug 21, 2019Observed: 1.64 ft at 8:12AM Aug 21, 2019Observed: 1.61 ft at 8:18AM Aug 21, 2019Observed: 1.58 ft at 8:24AM Aug 21, 2019Observed: 1.56 ft at 8:30AM Aug 21, 2019Observed: 1.53 ft at 8:36AM Aug 21, 2019Observed: 1.5 ft at 8:42AM Aug 21, 2019Observed: 1.48 ft at 8:48AM Aug 21, 2019Observed: 1.44 ft at 8:54AM Aug 21, 2019Observed: 1.41 ft at 9:00AM Aug 21, 2019Observed: 1.38 ft at 9:06AM Aug 21, 2019Observed: 1.36 ft at 9:12AM Aug 21, 2019Observed: 1.34 ft at 9:18AM Aug 21, 2019Observed: 1.31 ft at 9:24AM Aug 21, 2019Observed: 1.29 ft at 9:30AM Aug 21, 2019Observed: 1.28 ft at 9:36AM Aug 21, 2019Observed: 1.26 ft at 9:42AM Aug 21, 2019Observed: 1.23 ft at 9:48AM Aug 21, 2019Observed: 1.21 ft at 9:54AM Aug 21, 2019Observed: 1.19 ft at 10:00AM Aug 21, 2019Observed: 1.16 ft at 10:06AM Aug 21, 2019Observed: 1.15 ft at 10:12AM Aug 21, 2019Observed: 1.14 ft at 10:18AM Aug 21, 2019Observed: 1.12 ft at 10:24AM Aug 21, 2019Observed: 1.11 ft at 10:30AM Aug 21, 2019Observed: 1.1 ft at 10:36AM Aug 21, 2019Observed: 1.08 ft at 10:42AM Aug 21, 2019Observed: 1.06 ft at 10:48AM Aug 21, 2019Observed: 1.05 ft at 11:00AM Aug 21, 2019Observed: 1.05 ft at 11:06AM Aug 21, 2019Observed: 1.03 ft at 11:12AM Aug 21, 2019Observed: 1.02 ft at 11:18AM Aug 21, 2019Observed: 1 ft at 11:24AM Aug 21, 2019Observed: 1 ft at 11:30AM Aug 21, 2019Observed: 1 ft at 11:36AM Aug 21, 2019Observed: 0.99 ft at 11:42AM Aug 21, 2019Observed: 0.99 ft at 11:48AM Aug 21, 2019Observed: 0.99 ft at 11:54AM Aug 21, 2019Observed: 1 ft at 12:00PM Aug 21, 2019Observed: 1.01 ft at 12:06PM Aug 21, 2019Observed: 1.02 ft at 12:12PM Aug 21, 2019Observed: 1.02 ft at 12:18PM Aug 21, 2019Observed: 1.02 ft at 12:24PM Aug 21, 2019Observed: 1.04 ft at 12:30PM Aug 21, 2019Observed: 1.04 ft at 12:36PM Aug 21, 2019Observed: 1.07 ft at 12:42PM Aug 21, 2019Observed: 1.09 ft at 12:48PM Aug 21, 2019Observed: 1.1 ft at 12:54PM Aug 21, 2019Observed: 1.13 ft at 1:00PM Aug 21, 2019Observed: 1.13 ft at 1:06PM Aug 21, 2019Observed: 1.14 ft at 1:12PM Aug 21, 2019Observed: 1.16 ft at 1:18PM Aug 21, 2019Observed: 1.18 ft at 1:24PM Aug 21, 2019Observed: 1.21 ft at 1:30PM Aug 21, 2019Observed: 1.24 ft at 1:36PM Aug 21, 2019Observed: 1.27 ft at 1:42PM Aug 21, 2019Observed: 1.3 ft at 1:48PM Aug 21, 2019Observed: 1.31 ft at 1:54PM Aug 21, 2019Observed: 1.34 ft at 2:00PM Aug 21, 2019Observed: 1.35 ft at 2:06PM Aug 21, 2019Observed: 1.39 ft at 2:12PM Aug 21, 2019Observed: 1.42 ft at 2:18PM Aug 21, 2019Observed: 1.45 ft at 2:24PM Aug 21, 2019Observed: 1.49 ft at 2:30PM Aug 21, 2019Observed: 1.53 ft at 2:36PM Aug 21, 2019Observed: 1.57 ft at 2:42PM Aug 21, 2019Observed: 1.59 ft at 2:48PM Aug 21, 2019Observed: 1.62 ft at 2:54PM Aug 21, 2019Observed: 1.66 ft at 3:00PM Aug 21, 2019Observed: 1.69 ft at 3:06PM Aug 21, 2019Observed: 1.7 ft at 3:12PM Aug 21, 2019Observed: 1.73 ft at 3:18PM Aug 21, 2019Observed: 1.78 ft at 3:24PM Aug 21, 2019Observed: 1.81 ft at 3:30PM Aug 21, 2019Observed: 1.84 ft at 3:36PM Aug 21, 2019Observed: 1.87 ft at 3:42PM Aug 21, 2019Observed: 1.85 ft at 3:48PM Aug 21, 2019Observed: 1.85 ft at 3:54PM Aug 21, 2019Observed: 1.89 ft at 4:00PM Aug 21, 2019Observed: 1.92 ft at 4:06PM Aug 21, 2019Observed: 1.96 ft at 4:12PM Aug 21, 2019Observed: 2 ft at 4:18PM Aug 21, 2019Observed: 2.01 ft at 4:24PM Aug 21, 2019Observed: 2.02 ft at 4:30PM Aug 21, 2019Observed: 2.05 ft at 4:36PM Aug 21, 2019Observed: 2.06 ft at 4:42PM Aug 21, 2019Observed: 2.08 ft at 4:48PM Aug 21, 2019Observed: 2.17 ft at 5:00PM Aug 21, 2019Observed: 2.19 ft at 5:06PM Aug 21, 2019Observed: 2.2 ft at 5:12PM Aug 21, 2019Observed: 2.2 ft at 5:18PM Aug 21, 2019Observed: 2.22 ft at 5:24PM Aug 21, 2019Observed: 2.23 ft at 5:30PM Aug 21, 2019Observed: 2.24 ft at 5:36PM Aug 21, 2019Observed: 2.27 ft at 5:42PM Aug 21, 2019Observed: 2.26 ft at 5:48PM Aug 21, 2019Observed: 2.25 ft at 5:54PM Aug 21, 2019Observed: 2.25 ft at 6:00PM Aug 21, 2019Observed: 2.25 ft at 6:06PM Aug 21, 2019Observed: 2.26 ft at 6:12PM Aug 21, 2019Observed: 2.26 ft at 6:18PM Aug 21, 2019Observed: 2.26 ft at 6:24PM Aug 21, 2019Observed: 2.27 ft at 6:30PM Aug 21, 2019Observed: 2.25 ft at 6:36PM Aug 21, 2019Observed: 2.23 ft at 6:42PM Aug 21, 2019Observed: 2.22 ft at 6:48PM Aug 21, 2019Observed: 2.23 ft at 6:54PM Aug 21, 2019Observed: 2.23 ft at 7:00PM Aug 21, 2019Observed: 2.21 ft at 7:06PM Aug 21, 2019Observed: 2.19 ft at 7:12PM Aug 21, 2019Observed: 2.18 ft at 7:18PM Aug 21, 2019Observed: 2.16 ft at 7:24PM Aug 21, 2019Observed: 2.14 ft at 7:30PM Aug 21, 2019Observed: 2.13 ft at 7:36PM Aug 21, 2019Observed: 2.05 ft at 8:00PM Aug 21, 2019Observed: 2.03 ft at 8:06PM Aug 21, 2019Observed: 2.03 ft at 8:12PM Aug 21, 2019Observed: 2.01 ft at 8:18PM Aug 21, 2019Observed: 1.99 ft at 8:24PM Aug 21, 2019Observed: 1.95 ft at 8:30PM Aug 21, 2019Observed: 1.92 ft at 8:36PM Aug 21, 2019Observed: 1.89 ft at 8:42PM Aug 21, 2019Observed: 1.86 ft at 8:48PM Aug 21, 2019Observed: 1.83 ft at 8:54PM Aug 21, 2019Observed: 1.79 ft at 9:00PM Aug 21, 2019Observed: 1.77 ft at 9:06PM Aug 21, 2019Observed: 1.74 ft at 9:12PM Aug 21, 2019Observed: 1.7 ft at 9:18PM Aug 21, 2019Observed: 1.67 ft at 9:24PM Aug 21, 2019Observed: 1.65 ft at 9:30PM Aug 21, 2019Observed: 1.63 ft at 9:36PM Aug 21, 2019Observed: 1.6 ft at 9:42PM Aug 21, 2019Forecast: 1.3 ft 11:00PM Aug 21, 2019Forecast: 1.2 ft 12:00AM Aug 22, 2019Forecast: 1.2 ft 1:00AM Aug 22, 2019Forecast: 1.3 ft 2:00AM Aug 22, 2019Forecast: 1.6 ft 3:00AM Aug 22, 2019Forecast: 1.9 ft 4:00AM Aug 22, 2019Forecast: 2 ft 5:00AM Aug 22, 2019Forecast: 2.1 ft 6:00AM Aug 22, 2019Forecast: 2.1 ft 7:00AM Aug 22, 2019Forecast: 1.9 ft 8:00AM Aug 22, 2019Forecast: 1.7 ft 9:00AM Aug 22, 2019Forecast: 1.4 ft 10:00AM Aug 22, 2019Forecast: 1.1 ft 11:00AM Aug 22, 2019Forecast: 1 ft 12:00PM Aug 22, 2019Forecast: 0.9 ft 1:00PM Aug 22, 2019Forecast: 1 ft 2:00PM Aug 22, 2019Forecast: 1.2 ft 3:00PM Aug 22, 2019Forecast: 1.5 ft 4:00PM Aug 22, 2019Forecast: 1.8 ft 5:00PM Aug 22, 2019Forecast: 2 ft 6:00PM Aug 22, 2019Forecast: 2 ft 7:00PM Aug 22, 2019Forecast: 2.1 ft 8:00PM Aug 22, 2019Forecast: 1.9 ft 9:00PM Aug 22, 2019Forecast: 1.7 ft 10:00PM Aug 22, 2019Forecast: 1.4 ft 11:00PM Aug 22, 2019Forecast: 1.2 ft 12:00AM Aug 23, 2019Forecast: 1.2 ft 1:00AM Aug 23, 2019Forecast: 1.2 ft 2:00AM Aug 23, 2019Forecast: 1.3 ft 3:00AM Aug 23, 2019Forecast: 1.6 ft 4:00AM Aug 23, 2019Forecast: 1.8 ft 5:00AM Aug 23, 2019Forecast: 1.9 ft 6:00AM Aug 23, 2019Forecast: 2 ft 7:00AM Aug 23, 2019Forecast: 1.9 ft 8:00AM Aug 23, 2019Forecast: 1.8 ft 9:00AM Aug 23, 2019Forecast: 1.5 ft 10:00AM Aug 23, 2019Forecast: 1.3 ft 11:00AM Aug 23, 2019Forecast: 1.1 ft 12:00PM Aug 23, 2019Forecast: 1 ft 1:00PM Aug 23, 2019Forecast: 0.9 ft 2:00PM Aug 23, 2019Forecast: 1.1 ft 3:00PM Aug 23, 2019Forecast: 1.3 ft 4:00PM Aug 23, 2019Forecast: 1.6 ft 5:00PM Aug 23, 2019Forecast: 1.8 ft 6:00PM Aug 23, 2019Forecast: 2 ft 7:00PM Aug 23, 2019Forecast: 2 ft 8:00PM Aug 23, 2019Forecast: 2 ft 9:00PM Aug 23, 2019Forecast: 1.8 ft 10:00PM Aug 23, 2019Forecast: 1.6 ft 11:00PM Aug 23, 2019Forecast: 1.3 ft 12:00AM Aug 24, 2019Forecast: 1.2 ft 1:00AM Aug 24, 2019Forecast: 1.1 ft 2:00AM Aug 24, 2019Forecast: 1.1 ft 3:00AM Aug 24, 2019Forecast: 1.4 ft 4:00AM Aug 24, 2019Forecast: 1.6 ft 5:00AM Aug 24, 2019Forecast: 1.8 ft 6:00AM Aug 24, 2019Forecast: 2 ft 7:00AM Aug 24, 2019Forecast: 2 ft 8:00AM Aug 24, 2019Forecast: 2 ft 9:00AM Aug 24, 2019Forecast: 1.8 ft 10:00AM Aug 24, 2019Forecast: 1.6 ft 11:00AM Aug 24, 2019Forecast: 1.3 ft 12:00PM Aug 24, 2019Forecast: 1.1 ft 1:00PM Aug 24, 2019Forecast: 1 ft 2:00PM Aug 24, 2019Forecast: 1 ft 3:00PM Aug 24, 2019Forecast: 1.2 ft 4:00PM Aug 24, 2019Forecast: 1.4 ft 5:00PM Aug 24, 2019Forecast: 1.8 ft 6:00PM Aug 24, 2019Forecast: 2.1 ft 7:00PM Aug 24, 2019Forecast: 2.2 ft 8:00PM Aug 24, 2019Highest Forecast: 2.3 ft 9:00PM Aug 24, 2019Forecast: 2.2 ft 10:00PM Aug 24, 2019National Ocean ServiceLWTV2(plotting HMIRG) Graph Created (10:30PM Aug 21, 2019)ObservedForecast (issued 3:44PM Aug 21)Latest observed value: 1.6 ft at 9:42 PM EDT 21-Aug-2019. Flood Stage is 3 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Tide Forecasts are a total water level forecast referenced to mean lower low water.  Please refer to Coastal Flood Advisories and Warnings for official water level forecasts during periods of coastal flooding.  During tropical cyclones, please refer here for additional storm surge information.

NOTE: Please click here for Coastal Flooding Thresholds definitions.

NOTE: Forecasts for the Potomac River at Lewisetta are issued routinely year-round.

Vertical Datum references a tidal datum (MLLW)...for more information see Tides and Currents .

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Upstream Gauge - at Alexandria Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 4
Moderate Flood Stage: 3.5
Flood Stage: 3
Action Stage: 2.5
Low Stage (in feet): -1

Historic Crests
(1) 5.76 ft on 09/01/2006
(2) 5.47 ft on 09/18/2003
(3) 4.44 ft on 09/10/2018
(4) 4.25 ft on 08/28/2011
(5) 4.15 ft on 03/07/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 3.29 ft on 05/13/2019
(2) 3.02 ft on 05/07/2019
(3) 3.01 ft on 04/20/2019
(4) 3.23 ft on 01/20/2019
(5) 2.69 ft on 01/05/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -2.85 ft on 04/05/1975
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.
About This Location Collapse

Latitude: 37.995000° N, Longitude: 76.465000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 3 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 -0.81 2.19 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available 3 Older USGS topographic maps, NGVD29 benchmarks
MSL -0.74 2.26 Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse

Hydromet Outlook
24 Hour Hydrometerological Outlook Link to Graphic
Hydro Forecast Discussion
Hydrologist's Forecast Discussion
Significant Flood Outlook
Significant River Flood Outlook Link to Graphic
Flash Flood Guidance
Flash Flood Guidance Link to Graphic

Additional Water and Weather Topics from the Middle Atlantic River Forecast Center (MARFC):
MARFC Home Page, Current Hazards, Current Conditions James River, Current Conditions Appomattox River,
Water Resources, Observed precipitation, Radar, Tropical Weather, Climate,
Flood History, About the MARFC, Contact Us
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Hydrologic Resources Additional Resources
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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
Wakefield Weather Forecast Office
10009 General Mahone Hwy
Wakefield, VA 23888
(757) 899-4200
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