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Hydrograph River at a Glance Download
Nassau River near Tisonia (in MHHW) Stage (ft)Observed: -3.18 ft at 5:45AM May 25, 2020Observed: -3.38 ft at 6:00AM May 25, 2020Observed: -3.59 ft at 6:15AM May 25, 2020Observed: -3.79 ft at 6:30AM May 25, 2020Observed: -3.98 ft at 6:45AM May 25, 2020Observed: -4.13 ft at 7:00AM May 25, 2020Observed: -4.24 ft at 7:15AM May 25, 2020Observed: -4.24 ft at 7:30AM May 25, 2020Observed: -4.12 ft at 7:45AM May 25, 2020Observed: -3.84 ft at 8:00AM May 25, 2020Observed: -3.52 ft at 8:15AM May 25, 2020Observed: -3.21 ft at 8:30AM May 25, 2020Observed: -2.89 ft at 8:45AM May 25, 2020Observed: -2.64 ft at 9:00AM May 25, 2020Observed: -2.4 ft at 9:15AM May 25, 2020Observed: -2.2 ft at 9:30AM May 25, 2020Observed: -1.95 ft at 9:45AM May 25, 2020Observed: -1.73 ft at 10:00AM May 25, 2020Observed: -1.52 ft at 10:15AM May 25, 2020Observed: -1.3 ft at 10:30AM May 25, 2020Observed: -1.1 ft at 10:45AM May 25, 2020Observed: -0.91 ft at 11:00AM May 25, 2020Observed: -0.75 ft at 11:15AM May 25, 2020Observed: -0.57 ft at 11:30AM May 25, 2020Observed: -0.47 ft at 11:45AM May 25, 2020Observed: -0.38 ft at 12:00PM May 25, 2020Observed: -0.32 ft at 12:15PM May 25, 2020Observed: -0.29 ft at 12:30PM May 25, 2020Observed: -0.26 ft at 12:45PM May 25, 2020Observed: -0.29 ft at 1:00PM May 25, 2020Observed: -0.32 ft at 1:15PM May 25, 2020Observed: -0.42 ft at 1:30PM May 25, 2020Observed: -0.53 ft at 1:45PM May 25, 2020Observed: -0.69 ft at 2:00PM May 25, 2020Observed: -0.85 ft at 2:15PM May 25, 2020Observed: -1 ft at 2:30PM May 25, 2020Observed: -1.24 ft at 2:45PM May 25, 2020Observed: -1.4 ft at 3:00PM May 25, 2020Observed: -1.56 ft at 3:15PM May 25, 2020Observed: -1.74 ft at 3:30PM May 25, 2020Observed: -1.93 ft at 3:45PM May 25, 2020Observed: -2.12 ft at 4:00PM May 25, 2020Observed: -2.33 ft at 4:15PM May 25, 2020Observed: -2.54 ft at 4:30PM May 25, 2020Observed: -2.74 ft at 4:45PM May 25, 2020Observed: -2.95 ft at 5:00PM May 25, 2020Observed: -3.15 ft at 5:15PM May 25, 2020Observed: -3.35 ft at 5:30PM May 25, 2020Observed: -3.54 ft at 5:45PM May 25, 2020Observed: -3.73 ft at 6:00PM May 25, 2020Observed: -3.89 ft at 6:15PM May 25, 2020Observed: -4.03 ft at 6:30PM May 25, 2020Observed: -4.12 ft at 6:45PM May 25, 2020Observed: -4.2 ft at 7:00PM May 25, 2020Observed: -4.08 ft at 7:15PM May 25, 2020Observed: -3.85 ft at 7:30PM May 25, 2020Observed: -3.56 ft at 7:45PM May 25, 2020Observed: -3.25 ft at 8:00PM May 25, 2020Observed: -2.94 ft at 8:15PM May 25, 2020Observed: -2.64 ft at 8:30PM May 25, 2020Observed: -2.41 ft at 8:45PM May 25, 2020Observed: -2.12 ft at 9:00PM May 25, 2020Observed: -1.88 ft at 9:15PM May 25, 2020Observed: -1.59 ft at 9:30PM May 25, 2020Observed: -1.32 ft at 9:45PM May 25, 2020Observed: -1.05 ft at 10:00PM May 25, 2020Observed: -0.79 ft at 10:15PM May 25, 2020Observed: -0.56 ft at 10:30PM May 25, 2020Observed: -0.38 ft at 10:45PM May 25, 2020Observed: -0.22 ft at 11:00PM May 25, 2020Observed: -0.06 ft at 11:15PM May 25, 2020Observed: 0.05 ft at 11:30PM May 25, 2020Observed: 0.14 ft at 11:45PM May 25, 2020Observed: 0.24 ft at 12:00AM May 26, 2020Observed: 0.33 ft at 12:15AM May 26, 2020Observed: 0.41 ft at 12:30AM May 26, 2020Observed: 0.48 ft at 12:45AM May 26, 2020Observed: 0.5 ft at 1:00AM May 26, 2020Observed: 0.54 ft at 1:15AM May 26, 2020Observed: 0.56 ft at 1:30AM May 26, 2020Observed: 0.57 ft at 1:45AM May 26, 2020Observed: 0.51 ft at 2:00AM May 26, 2020Observed: 0.48 ft at 2:15AM May 26, 2020Observed: 0.37 ft at 2:30AM May 26, 2020Observed: 0.27 ft at 2:45AM May 26, 2020Observed: 0.12 ft at 3:00AM May 26, 2020Observed: -0.04 ft at 3:15AM May 26, 2020Observed: -0.21 ft at 3:30AM May 26, 2020Observed: -0.38 ft at 3:45AM May 26, 2020Observed: -0.53 ft at 4:00AM May 26, 2020Observed: -0.68 ft at 4:15AM May 26, 2020Observed: -0.83 ft at 4:30AM May 26, 2020Observed: -0.96 ft at 4:45AM May 26, 2020Observed: -1.12 ft at 5:00AM May 26, 2020Observed: -1.26 ft at 5:15AM May 26, 2020Observed: -1.42 ft at 5:30AM May 26, 2020Observed: -1.59 ft at 5:45AM May 26, 2020Observed: -1.77 ft at 6:00AM May 26, 2020Observed: -1.94 ft at 6:15AM May 26, 2020Observed: -2.12 ft at 6:30AM May 26, 2020Observed: -2.32 ft at 6:45AM May 26, 2020Observed: -2.49 ft at 7:00AM May 26, 2020Observed: -2.66 ft at 7:15AM May 26, 2020Observed: -2.81 ft at 7:30AM May 26, 2020Observed: -2.95 ft at 7:45AM May 26, 2020Observed: -3.01 ft at 8:00AM May 26, 2020Observed: -3.09 ft at 8:15AM May 26, 2020Observed: -3.07 ft at 8:30AM May 26, 2020Observed: -3.01 ft at 8:45AM May 26, 2020Observed: -2.75 ft at 9:00AM May 26, 2020Observed: -2.47 ft at 9:15AM May 26, 2020Observed: -2.17 ft at 9:30AM May 26, 2020Observed: -1.85 ft at 9:45AM May 26, 2020Observed: -1.62 ft at 10:00AM May 26, 2020Observed: -1.42 ft at 10:15AM May 26, 2020Observed: -1.19 ft at 10:30AM May 26, 2020Observed: -0.93 ft at 10:45AM May 26, 2020Observed: -0.73 ft at 11:00AM May 26, 2020Observed: -0.54 ft at 11:15AM May 26, 2020Observed: -0.38 ft at 11:30AM May 26, 2020Observed: -0.24 ft at 11:45AM May 26, 2020Observed: -0.11 ft at 12:00PM May 26, 2020Observed: -0.03 ft at 12:15PM May 26, 2020Observed: 0.08 ft at 12:30PM May 26, 2020Observed: 0.12 ft at 12:45PM May 26, 2020Observed: 0.19 ft at 1:00PM May 26, 2020Observed: 0.22 ft at 1:15PM May 26, 2020Observed: 0.25 ft at 1:30PM May 26, 2020Observed: 0.28 ft at 1:45PM May 26, 2020Observed: 0.24 ft at 2:00PM May 26, 2020Observed: 0.22 ft at 2:15PM May 26, 2020Observed: 0.19 ft at 2:30PM May 26, 2020Observed: 0.08 ft at 2:45PM May 26, 2020Observed: -0.04 ft at 3:00PM May 26, 2020Observed: -0.19 ft at 3:15PM May 26, 2020Observed: -0.31 ft at 3:30PM May 26, 2020Observed: -0.48 ft at 3:45PM May 26, 2020Observed: -0.64 ft at 4:00PM May 26, 2020Observed: -0.78 ft at 4:15PM May 26, 2020Observed: -0.89 ft at 4:30PM May 26, 2020Observed: -1.03 ft at 4:45PM May 26, 2020Observed: -1.17 ft at 5:00PM May 26, 2020Observed: -1.28 ft at 5:15PM May 26, 2020Observed: -1.45 ft at 5:30PM May 26, 2020Observed: -1.61 ft at 5:45PM May 26, 2020Observed: -1.78 ft at 6:00PM May 26, 2020Observed: -1.96 ft at 6:15PM May 26, 2020Observed: -2.11 ft at 6:30PM May 26, 2020Observed: -2.27 ft at 6:45PM May 26, 2020Observed: -2.46 ft at 7:00PM May 26, 2020Observed: -2.6 ft at 7:15PM May 26, 2020Observed: -2.75 ft at 7:30PM May 26, 2020Observed: -2.84 ft at 7:45PM May 26, 2020Observed: -2.88 ft at 8:00PM May 26, 2020Observed: -2.87 ft at 8:15PM May 26, 2020Observed: -2.76 ft at 8:30PM May 26, 2020Observed: -2.54 ft at 8:45PM May 26, 2020Observed: -2.28 ft at 9:00PM May 26, 2020Observed: -2 ft at 9:15PM May 26, 2020Observed: -1.67 ft at 9:30PM May 26, 2020Observed: -1.36 ft at 9:45PM May 26, 2020Observed: -1.12 ft at 10:00PM May 26, 2020Observed: -0.91 ft at 10:15PM May 26, 2020Observed: -0.67 ft at 10:30PM May 26, 2020Observed: -0.5 ft at 10:45PM May 26, 2020Observed: -0.32 ft at 11:00PM May 26, 2020Observed: -0.15 ft at 11:15PM May 26, 2020Observed: -0.03 ft at 11:30PM May 26, 2020Observed: 0.09 ft at 11:45PM May 26, 2020Observed: 0.19 ft at 12:00AM May 27, 2020Observed: 0.28 ft at 12:15AM May 27, 2020Observed: 0.38 ft at 12:30AM May 27, 2020Observed: 0.46 ft at 12:45AM May 27, 2020Observed: 0.54 ft at 1:00AM May 27, 2020Observed: 0.61 ft at 1:15AM May 27, 2020Observed: 0.66 ft at 1:30AM May 27, 2020Observed: 0.7 ft at 1:45AM May 27, 2020Observed: 0.73 ft at 2:00AM May 27, 2020Observed: 0.74 ft at 2:15AM May 27, 2020Highest Observation: 0.75 ft at 2:30AM May 27, 2020Observed: 0.71 ft at 2:45AM May 27, 2020Observed: 0.66 ft at 3:00AM May 27, 2020Observed: 0.58 ft at 3:15AM May 27, 2020Observed: 0.46 ft at 3:30AM May 27, 2020Observed: 0.34 ft at 3:45AM May 27, 2020Observed: 0.19 ft at 4:00AM May 27, 2020Observed: 0.03 ft at 4:15AM May 27, 2020Observed: -0.13 ft at 4:30AM May 27, 2020Observed: -0.27 ft at 4:45AM May 27, 2020Observed: -0.43 ft at 5:00AM May 27, 2020Observed: -0.56 ft at 5:15AM May 27, 2020Observed: -0.69 ft at 5:30AM May 27, 2020Observed: -0.83 ft at 5:45AM May 27, 2020Observed: -0.95 ft at 6:00AM May 27, 2020Observed: -1.1 ft at 6:15AM May 27, 2020Observed: -1.26 ft at 6:30AM May 27, 2020Observed: -1.43 ft at 6:45AM May 27, 2020Observed: -1.6 ft at 7:00AM May 27, 2020Observed: -1.77 ft at 7:15AM May 27, 2020Observed: -1.96 ft at 7:30AM May 27, 2020Observed: -2.13 ft at 7:45AM May 27, 2020Observed: -2.29 ft at 8:00AM May 27, 2020Observed: -2.45 ft at 8:15AM May 27, 2020Observed: -2.58 ft at 8:30AM May 27, 2020Observed: -2.71 ft at 8:45AM May 27, 2020Observed: -2.8 ft at 9:00AM May 27, 2020Observed: -2.86 ft at 9:15AM May 27, 2020Observed: -2.87 ft at 9:30AM May 27, 2020Observed: -2.79 ft at 9:45AM May 27, 2020Observed: -2.61 ft at 10:00AM May 27, 2020Observed: -2.33 ft at 10:15AM May 27, 2020Observed: -2.01 ft at 10:30AM May 27, 2020Observed: -1.72 ft at 10:45AM May 27, 2020Observed: -1.43 ft at 11:00AM May 27, 2020Observed: -1.21 ft at 11:15AM May 27, 2020Observed: -0.99 ft at 11:30AM May 27, 2020Observed: -0.8 ft at 11:45AM May 27, 2020Observed: -0.63 ft at 12:00PM May 27, 2020Observed: -0.49 ft at 12:15PM May 27, 2020Observed: -0.37 ft at 12:30PM May 27, 2020Observed: -0.29 ft at 12:45PM May 27, 2020Observed: -0.21 ft at 1:00PM May 27, 2020Observed: -0.14 ft at 1:15PM May 27, 2020Observed: -0.12 ft at 1:30PM May 27, 2020Observed: -0.07 ft at 1:45PM May 27, 2020Observed: -0.02 ft at 2:00PM May 27, 2020Observed: 0 ft at 2:15PM May 27, 2020Observed: -0.01 ft at 2:30PM May 27, 2020Observed: -0.02 ft at 2:45PM May 27, 2020Observed: -0.07 ft at 3:00PM May 27, 2020Observed: -0.15 ft at 3:15PM May 27, 2020Observed: -0.21 ft at 3:30PM May 27, 2020Observed: -0.32 ft at 3:45PM May 27, 2020Observed: -0.45 ft at 4:00PM May 27, 2020Observed: -0.6 ft at 4:15PM May 27, 2020Observed: -0.8 ft at 4:30PM May 27, 2020Observed: -0.96 ft at 4:45PM May 27, 2020Observed: -1.1 ft at 5:00PM May 27, 2020Observed: -1.26 ft at 5:15PM May 27, 2020Observed: -1.42 ft at 5:30PM May 27, 2020Observed: -1.57 ft at 5:45PM May 27, 2020Observed: -1.74 ft at 6:00PM May 27, 2020Observed: -1.94 ft at 6:15PM May 27, 2020Observed: -2.14 ft at 6:30PM May 27, 2020Observed: -2.33 ft at 6:45PM May 27, 2020Observed: -2.53 ft at 7:00PM May 27, 2020Observed: -2.72 ft at 7:15PM May 27, 2020Observed: -2.91 ft at 7:30PM May 27, 2020Observed: -3.09 ft at 7:45PM May 27, 2020Observed: -3.26 ft at 8:00PM May 27, 2020Observed: -3.41 ft at 8:15PM May 27, 2020Observed: -3.53 ft at 8:30PM May 27, 2020Observed: -3.57 ft at 8:45PM May 27, 2020Observed: -3.53 ft at 9:00PM May 27, 2020Observed: -3.51 ft at 9:15PM May 27, 2020Observed: -3.3 ft at 9:30PM May 27, 2020Observed: -3.04 ft at 9:45PM May 27, 2020Observed: -2.74 ft at 10:00PM May 27, 2020Observed: -2.43 ft at 10:15PM May 27, 2020Observed: -2.13 ft at 10:30PM May 27, 2020Observed: -1.91 ft at 10:45PM May 27, 2020Observed: -1.68 ft at 11:00PM May 27, 2020Observed: -1.43 ft at 11:15PM May 27, 2020Observed: -1.18 ft at 11:30PM May 27, 2020Observed: -0.94 ft at 11:45PM May 27, 2020Observed: -0.72 ft at 12:00AM May 28, 2020Observed: -0.51 ft at 12:15AM May 28, 2020Observed: -0.35 ft at 12:30AM May 28, 2020Observed: -0.22 ft at 12:45AM May 28, 2020Observed: -0.1 ft at 1:00AM May 28, 2020Observed: 0.01 ft at 1:15AM May 28, 2020Observed: 0.1 ft at 1:30AM May 28, 2020Observed: 0.19 ft at 1:45AM May 28, 2020Observed: 0.25 ft at 2:00AM May 28, 2020Observed: 0.31 ft at 2:15AM May 28, 2020Observed: 0.35 ft at 2:30AM May 28, 2020Observed: 0.38 ft at 2:45AM May 28, 2020Observed: 0.41 ft at 3:00AM May 28, 2020Observed: 0.39 ft at 3:15AM May 28, 2020Observed: 0.31 ft at 3:30AM May 28, 2020Observed: 0.24 ft at 3:45AM May 28, 2020Observed: 0.13 ft at 4:00AM May 28, 2020Observed: 0 ft at 4:15AM May 28, 2020Observed: -0.13 ft at 4:30AM May 28, 2020Observed: -0.27 ft at 4:45AM May 28, 2020Observed: -0.45 ft at 5:00AM May 28, 2020Observed: -0.63 ft at 5:15AM May 28, 2020Observed: -0.79 ft at 5:30AM May 28, 2020Observed: -0.94 ft at 5:45AM May 28, 2020Observed: -1.09 ft at 6:00AM May 28, 2020Observed: -1.23 ft at 6:15AM May 28, 2020Observed: -1.4 ft at 6:30AM May 28, 2020Observed: -1.57 ft at 6:45AM May 28, 2020Observed: -1.75 ft at 7:00AM May 28, 2020Observed: -1.95 ft at 7:15AM May 28, 2020Observed: -2.14 ft at 7:30AM May 28, 2020Observed: -2.33 ft at 7:45AM May 28, 2020Observed: -2.54 ft at 8:00AM May 28, 2020Observed: -2.74 ft at 8:15AM May 28, 2020Observed: -2.94 ft at 8:30AM May 28, 2020Observed: -3.12 ft at 8:45AM May 28, 2020Observed: -3.3 ft at 9:00AM May 28, 2020Observed: -3.48 ft at 9:15AM May 28, 2020Observed: -3.62 ft at 9:30AM May 28, 2020Observed: -3.7 ft at 9:45AM May 28, 2020Observed: -3.73 ft at 10:00AM May 28, 2020Observed: -3.65 ft at 10:15AM May 28, 2020Observed: -3.47 ft at 10:30AM May 28, 2020Observed: -3.25 ft at 10:45AM May 28, 2020Observed: -2.97 ft at 11:00AM May 28, 2020Observed: -2.65 ft at 11:15AM May 28, 2020Observed: -2.38 ft at 11:30AM May 28, 2020Observed: -2.14 ft at 11:45AM May 28, 2020Observed: -1.91 ft at 12:00PM May 28, 2020Observed: -1.69 ft at 12:15PM May 28, 2020Observed: -1.48 ft at 12:30PM May 28, 2020Observed: -1.26 ft at 12:45PM May 28, 2020Observed: -1.05 ft at 1:00PM May 28, 2020Observed: -0.87 ft at 1:15PM May 28, 2020Observed: -0.68 ft at 1:30PM May 28, 2020Observed: -0.53 ft at 1:45PM May 28, 2020Observed: -0.43 ft at 2:00PM May 28, 2020Observed: -0.32 ft at 2:15PM May 28, 2020Observed: -0.26 ft at 2:30PM May 28, 2020Observed: -0.23 ft at 2:45PM May 28, 2020Observed: -0.2 ft at 3:00PM May 28, 2020Observed: -0.21 ft at 3:15PM May 28, 2020Observed: -0.2 ft at 3:30PM May 28, 2020Observed: -0.25 ft at 3:45PM May 28, 2020Observed: -0.35 ft at 4:00PM May 28, 2020Observed: -0.48 ft at 4:15PM May 28, 2020Observed: -0.59 ft at 4:30PM May 28, 2020Observed: -0.73 ft at 4:45PM May 28, 2020Observed: -0.91 ft at 5:00PM May 28, 2020Observed: -1.1 ft at 5:15PM May 28, 2020Observed: -1.27 ft at 5:30PM May 28, 2020Observed: -1.42 ft at 5:45PM May 28, 2020Observed: -1.58 ft at 6:00PM May 28, 2020Observed: -1.75 ft at 6:15PM May 28, 2020Observed: -1.93 ft at 6:30PM May 28, 2020Observed: -2.13 ft at 6:45PM May 28, 2020Observed: -2.32 ft at 7:00PM May 28, 2020Observed: -2.53 ft at 7:15PM May 28, 2020Observed: -2.75 ft at 7:30PM May 28, 2020Observed: -2.95 ft at 7:45PM May 28, 2020Observed: -3.16 ft at 8:00PM May 28, 2020Observed: -3.36 ft at 8:15PM May 28, 2020Observed: -3.53 ft at 8:30PM May 28, 2020Observed: -3.72 ft at 8:45PM May 28, 2020Observed: -3.88 ft at 9:00PM May 28, 2020Observed: -4.02 ft at 9:15PM May 28, 2020Observed: -4.1 ft at 9:30PM May 28, 2020Observed: -4.12 ft at 9:45PM May 28, 2020Observed: -3.99 ft at 10:00PM May 28, 2020Observed: -3.77 ft at 10:15PM May 28, 2020Observed: -3.52 ft at 10:30PM May 28, 2020Observed: -3.2 ft at 10:45PM May 28, 2020Observed: -2.92 ft at 11:00PM May 28, 2020Observed: -2.66 ft at 11:15PM May 28, 2020Observed: -2.42 ft at 11:30PM May 28, 2020Observed: -2.19 ft at 11:45PM May 28, 2020Observed: -1.98 ft at 12:00AM May 29, 2020Observed: -1.72 ft at 12:15AM May 29, 2020Observed: -1.46 ft at 12:30AM May 29, 2020Observed: -1.24 ft at 12:45AM May 29, 2020Observed: -0.99 ft at 1:00AM May 29, 2020Observed: -0.77 ft at 1:15AM May 29, 2020Observed: -0.55 ft at 1:30AM May 29, 2020Observed: -0.39 ft at 1:45AM May 29, 2020Observed: -0.25 ft at 2:00AM May 29, 2020Observed: -0.14 ft at 2:15AM May 29, 2020Observed: -0.07 ft at 2:30AM May 29, 2020Observed: 0.01 ft at 2:45AM May 29, 2020Observed: 0.07 ft at 3:00AM May 29, 2020Observed: 0.11 ft at 3:15AM May 29, 2020Observed: 0.14 ft at 3:30AM May 29, 2020Observed: 0.16 ft at 3:45AM May 29, 2020Observed: 0.15 ft at 4:00AM May 29, 2020Observed: 0.1 ft at 4:15AM May 29, 2020Observed: 0.02 ft at 4:30AM May 29, 2020Observed: -0.08 ft at 4:45AM May 29, 2020Observed: -0.2 ft at 5:00AM May 29, 2020Observed: -0.34 ft at 5:15AM May 29, 2020Observed: -0.5 ft at 5:30AM May 29, 2020Observed: -0.67 ft at 5:45AM May 29, 2020Observed: -0.84 ft at 6:00AM May 29, 2020Observed: -1 ft at 6:15AM May 29, 2020Observed: -1.16 ft at 6:30AM May 29, 2020Observed: -1.31 ft at 6:45AM May 29, 2020Observed: -1.46 ft at 7:00AM May 29, 2020Observed: -1.64 ft at 7:15AM May 29, 2020Observed: -1.83 ft at 7:30AM May 29, 2020Observed: -2.03 ft at 7:45AM May 29, 2020Observed: -2.23 ft at 8:00AM May 29, 2020Observed: -2.44 ft at 8:15AM May 29, 2020Observed: -2.66 ft at 8:30AM May 29, 2020Observed: -2.87 ft at 8:45AM May 29, 2020Observed: -3.08 ft at 9:00AM May 29, 2020Observed: -3.3 ft at 9:15AM May 29, 2020Observed: -3.49 ft at 9:30AM May 29, 2020Observed: -3.69 ft at 9:45AM May 29, 2020Observed: -3.86 ft at 10:00AM May 29, 2020Observed: -4.02 ft at 10:15AM May 29, 2020Observed: -4.1 ft at 10:30AM May 29, 2020Observed: -4.11 ft at 10:45AM May 29, 2020Observed: -4.06 ft at 11:00AM May 29, 2020Observed: -3.92 ft at 11:15AM May 29, 2020Observed: -3.66 ft at 11:30AM May 29, 2020Observed: -3.35 ft at 11:45AM May 29, 2020Observed: -3.06 ft at 12:00PM May 29, 2020Observed: -2.78 ft at 12:15PM May 29, 2020Observed: -2.52 ft at 12:30PM May 29, 2020Observed: -2.29 ft at 12:45PM May 29, 2020Observed: -2.04 ft at 1:00PM May 29, 2020Observed: -1.81 ft at 1:15PM May 29, 2020Observed: -1.6 ft at 1:30PM May 29, 2020Observed: -1.38 ft at 1:45PM May 29, 2020Observed: -1.18 ft at 2:00PM May 29, 2020Observed: -0.95 ft at 2:15PM May 29, 2020Observed: -0.77 ft at 2:30PM May 29, 2020Observed: -0.63 ft at 2:45PM May 29, 2020Observed: -0.5 ft at 3:00PM May 29, 2020Observed: -0.4 ft at 3:15PM May 29, 2020Observed: -0.34 ft at 3:30PM May 29, 2020Observed: -0.28 ft at 3:45PM May 29, 2020Observed: -0.29 ft at 4:00PM May 29, 2020Observed: -0.27 ft at 4:15PM May 29, 2020Observed: -0.3 ft at 4:30PM May 29, 2020Observed: -0.34 ft at 4:45PM May 29, 2020Observed: -0.43 ft at 5:00PM May 29, 2020Observed: -0.56 ft at 5:15PM May 29, 2020Observed: -0.71 ft at 5:30PM May 29, 2020Observed: -0.86 ft at 5:45PM May 29, 2020Observed: -1.04 ft at 6:00PM May 29, 2020Observed: -1.24 ft at 6:15PM May 29, 2020Observed: -1.41 ft at 6:30PM May 29, 2020Observed: -1.58 ft at 6:45PM May 29, 2020Observed: -1.74 ft at 7:00PM May 29, 2020Observed: -1.92 ft at 7:15PM May 29, 2020Observed: -2.12 ft at 7:30PM May 29, 2020Observed: -2.33 ft at 7:45PM May 29, 2020Observed: -2.53 ft at 8:00PM May 29, 2020Observed: -2.74 ft at 8:15PM May 29, 2020Observed: -2.95 ft at 8:30PM May 29, 2020Observed: -3.16 ft at 8:45PM May 29, 2020Observed: -3.37 ft at 9:00PM May 29, 2020Observed: -3.58 ft at 9:15PM May 29, 2020Observed: -3.78 ft at 9:30PM May 29, 2020Observed: -3.98 ft at 9:45PM May 29, 2020Observed: -4.16 ft at 10:00PM May 29, 2020Observed: -4.32 ft at 10:15PM May 29, 2020Observed: -4.45 ft at 10:30PM May 29, 2020Observed: -4.49 ft at 10:45PM May 29, 2020Observed: -4.49 ft at 11:00PM May 29, 2020Observed: -4.31 ft at 11:15PM May 29, 2020Observed: -4.06 ft at 11:30PM May 29, 2020Observed: -3.74 ft at 11:45PM May 29, 2020Observed: -3.4 ft at 12:00AM May 30, 2020Observed: -3.12 ft at 12:15AM May 30, 2020Observed: -2.87 ft at 12:30AM May 30, 2020Observed: -2.63 ft at 12:45AM May 30, 2020Observed: -2.38 ft at 1:00AM May 30, 2020Observed: -2.12 ft at 1:15AM May 30, 2020Observed: -1.85 ft at 1:30AM May 30, 2020Observed: -1.6 ft at 1:45AM May 30, 2020Observed: -1.34 ft at 2:00AM May 30, 2020Observed: -1.07 ft at 2:15AM May 30, 2020Observed: -0.84 ft at 2:30AM May 30, 2020Observed: -0.63 ft at 2:45AM May 30, 2020Observed: -0.46 ft at 3:00AM May 30, 2020Observed: -0.33 ft at 3:15AM May 30, 2020Observed: -0.23 ft at 3:30AM May 30, 2020Observed: -0.14 ft at 3:45AM May 30, 2020Observed: -0.07 ft at 4:00AM May 30, 2020Observed: -0.02 ft at 4:15AM May 30, 2020Observed: 0.02 ft at 4:30AM May 30, 2020USGS--Water Resources of the United StatesNATF1(plotting HGIRG) Graph Created (5:38AM May 30, 2020)ObservedLatest observed value: 0.02 ft at 4:30 AM EDT 30-May-2020. Flood Stage is 1.3 ft
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Metadata
NOTE: Water levels are referenced to the Mean Higher High Water (MHHW) Datum. This datum can be used to approximate sea water inundation of normally dry ground near the coast. For specific impacts, please refer to the statements on this page.

NOTE: Forecasts are not available for the Nassau River near Tisonia (in MHHW). Only observed stages are available for this point.

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Flood Categories (in feet)
Major Flood Stage: 3.3
Moderate Flood Stage: 2.3
Flood Stage: 1.3
Action Stage: 0.8
Low Stage (in feet): -6

Historic Crests
(1) 4.01 ft on 09/11/2017
(2) 2.71 ft on 07/04/1995
(3) 2.33 ft on 10/07/2016 (P)
(4) 2.16 ft on 09/10/2017
(5) 1.99 ft on 09/13/1985
(6) 1.95 ft on 09/16/1985
(7) 1.89 ft on 09/15/1985
(8) 1.85 ft on 09/04/2019
(9) 1.79 ft on 11/27/1985
(10) 1.77 ft on 09/14/1985
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 1.46 ft on 11/17/2019
(2) 1.39 ft on 11/09/2019
(3) 1.85 ft on 09/04/2019
(4) 1.40 ft on 11/23/2018
(5) 1.36 ft on 10/17/2017
(6) 1.39 ft on 10/01/2017
(7) 1.52 ft on 10/01/2017
(8) 4.01 ft on 09/11/2017
(9) 1.49 ft on 09/10/2017
(10) 2.16 ft on 09/10/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -5.02 ft on 03/13/1993
(2) -3.57 ft on 03/14/1993
(3) -3.30 ft on 02/15/1992
(4) -3.03 ft on 04/07/1989
(5) -2.98 ft on 12/26/1993
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
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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.
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3.3 Extensive inundation of structures and roads in the area. Evacuations of people or transfer of property to higher ground is likely.
2.29 Some inundation of structures and roads is expected. Evacuations of people or property to higher ground is possible.
1.3 Minimal or no property damage. Minor flooding of low lying roads, campgrounds, boat ramps, docks along the river basin.
0.8 Should water levels continue rising...preparations to protect property should begin.
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Latitude: 30.550556° N, Longitude: 81.590000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 1.3 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 1.97 3.3 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 Mean Higher High Water - used to approximate inundation

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
Jacksonville Weather Forecast Office
13701 Fang Drive
Jacksonville, FL 32218
(904) 741-4370
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