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Hydrograph River at a Glance Download
Grand River at Portland Stage (ft)Flow (kcfs)Observed: 5.4 ft at 1:00PM Aug 03, 2022Observed: 5.4 ft at 1:15PM Aug 03, 2022Observed: 5.4 ft at 1:30PM Aug 03, 2022Observed: 5.4 ft at 1:45PM Aug 03, 2022Observed: 5.4 ft at 2:00PM Aug 03, 2022Observed: 5.4 ft at 2:15PM Aug 03, 2022Observed: 5.4 ft at 2:30PM Aug 03, 2022Observed: 5.4 ft at 2:45PM Aug 03, 2022Observed: 5.4 ft at 3:00PM Aug 03, 2022Observed: 5.37 ft at 3:15PM Aug 03, 2022Observed: 5.42 ft at 3:30PM Aug 03, 2022Observed: 5.4 ft at 3:45PM Aug 03, 2022Observed: 5.41 ft at 4:00PM Aug 03, 2022Observed: 5.43 ft at 4:15PM Aug 03, 2022Observed: 5.46 ft at 4:30PM Aug 03, 2022Observed: 5.46 ft at 4:45PM Aug 03, 2022Observed: 5.46 ft at 5:00PM Aug 03, 2022Observed: 5.47 ft at 5:15PM Aug 03, 2022Observed: 5.49 ft at 5:30PM Aug 03, 2022Observed: 5.54 ft at 5:45PM Aug 03, 2022Observed: 5.55 ft at 6:00PM Aug 03, 2022Observed: 5.56 ft at 6:15PM Aug 03, 2022Observed: 5.56 ft at 6:30PM Aug 03, 2022Observed: 5.55 ft at 6:45PM Aug 03, 2022Observed: 5.57 ft at 7:00PM Aug 03, 2022Observed: 5.56 ft at 7:15PM Aug 03, 2022Observed: 5.57 ft at 7:30PM Aug 03, 2022Observed: 5.6 ft at 7:45PM Aug 03, 2022Observed: 5.59 ft at 8:00PM Aug 03, 2022Observed: 5.6 ft at 8:15PM Aug 03, 2022Observed: 5.59 ft at 8:30PM Aug 03, 2022Observed: 5.59 ft at 8:45PM Aug 03, 2022Observed: 5.59 ft at 9:00PM Aug 03, 2022Observed: 5.59 ft at 9:15PM Aug 03, 2022Observed: 5.6 ft at 9:30PM Aug 03, 2022Observed: 5.59 ft at 9:45PM Aug 03, 2022Observed: 5.6 ft at 10:00PM Aug 03, 2022Observed: 5.6 ft at 10:15PM Aug 03, 2022Observed: 5.6 ft at 10:30PM Aug 03, 2022Observed: 5.59 ft at 10:45PM Aug 03, 2022Observed: 5.59 ft at 11:00PM Aug 03, 2022Observed: 5.59 ft at 11:15PM Aug 03, 2022Observed: 5.59 ft at 11:30PM Aug 03, 2022Observed: 5.59 ft at 11:45PM Aug 03, 2022Observed: 5.59 ft at 12:00AM Aug 04, 2022Observed: 5.59 ft at 12:15AM Aug 04, 2022Observed: 5.58 ft at 12:30AM Aug 04, 2022Observed: 5.58 ft at 12:45AM Aug 04, 2022Observed: 5.59 ft at 1:00AM Aug 04, 2022Observed: 5.58 ft at 1:15AM Aug 04, 2022Observed: 5.58 ft at 1:30AM Aug 04, 2022Observed: 5.58 ft at 1:45AM Aug 04, 2022Observed: 5.58 ft at 2:00AM Aug 04, 2022Observed: 5.58 ft at 2:15AM Aug 04, 2022Observed: 5.58 ft at 2:30AM Aug 04, 2022Observed: 5.58 ft at 2:45AM Aug 04, 2022Observed: 5.58 ft at 3:00AM Aug 04, 2022Observed: 5.58 ft at 3:15AM Aug 04, 2022Observed: 5.6 ft at 3:30AM Aug 04, 2022Observed: 5.59 ft at 3:45AM Aug 04, 2022Observed: 5.6 ft at 4:00AM Aug 04, 2022Observed: 5.61 ft at 4:15AM Aug 04, 2022Observed: 5.63 ft at 4:30AM Aug 04, 2022Observed: 5.64 ft at 4:45AM Aug 04, 2022Observed: 5.66 ft at 5:00AM Aug 04, 2022Observed: 5.68 ft at 5:15AM Aug 04, 2022Observed: 5.71 ft at 5:30AM Aug 04, 2022Observed: 5.74 ft at 5:45AM Aug 04, 2022Observed: 5.76 ft at 6:00AM Aug 04, 2022Observed: 5.79 ft at 6:15AM Aug 04, 2022Observed: 5.84 ft at 6:30AM Aug 04, 2022Observed: 5.86 ft at 6:45AM Aug 04, 2022Observed: 5.9 ft at 7:00AM Aug 04, 2022Observed: 5.93 ft at 7:15AM Aug 04, 2022Observed: 5.96 ft at 7:30AM Aug 04, 2022Observed: 5.98 ft at 7:45AM Aug 04, 2022Observed: 6.01 ft at 8:00AM Aug 04, 2022Observed: 6.08 ft at 9:15AM Aug 04, 2022Observed: 6.1 ft at 9:30AM Aug 04, 2022Observed: 6.11 ft at 9:45AM Aug 04, 2022Observed: 6.11 ft at 10:00AM Aug 04, 2022Observed: 6.11 ft at 10:15AM Aug 04, 2022Observed: 6.12 ft at 10:30AM Aug 04, 2022Observed: 6.12 ft at 10:45AM Aug 04, 2022Observed: 6.12 ft at 11:00AM Aug 04, 2022Observed: 6.12 ft at 11:15AM Aug 04, 2022Observed: 6.12 ft at 11:30AM Aug 04, 2022Observed: 6.11 ft at 11:45AM Aug 04, 2022Observed: 6.11 ft at 12:00PM Aug 04, 2022Observed: 6.11 ft at 12:15PM Aug 04, 2022Observed: 6.11 ft at 12:30PM Aug 04, 2022Observed: 6.11 ft at 12:45PM Aug 04, 2022Observed: 6.11 ft at 1:00PM Aug 04, 2022Observed: 6.12 ft at 1:15PM Aug 04, 2022Observed: 6.13 ft at 1:30PM Aug 04, 2022Observed: 6.14 ft at 1:45PM Aug 04, 2022Observed: 6.16 ft at 2:00PM Aug 04, 2022Observed: 6.18 ft at 2:15PM Aug 04, 2022Observed: 6.22 ft at 2:30PM Aug 04, 2022Observed: 6.25 ft at 2:45PM Aug 04, 2022Observed: 6.3 ft at 3:00PM Aug 04, 2022Observed: 6.34 ft at 3:15PM Aug 04, 2022Observed: 6.39 ft at 3:30PM Aug 04, 2022Observed: 6.44 ft at 3:45PM Aug 04, 2022Observed: 6.48 ft at 4:00PM Aug 04, 2022Observed: 6.52 ft at 4:15PM Aug 04, 2022Observed: 6.57 ft at 4:30PM Aug 04, 2022Observed: 6.61 ft at 4:45PM Aug 04, 2022Observed: 6.64 ft at 5:00PM Aug 04, 2022Observed: 6.67 ft at 5:15PM Aug 04, 2022Observed: 6.7 ft at 5:30PM Aug 04, 2022Observed: 6.72 ft at 5:45PM Aug 04, 2022Observed: 6.74 ft at 6:00PM Aug 04, 2022Observed: 6.75 ft at 6:15PM Aug 04, 2022Observed: 6.77 ft at 6:30PM Aug 04, 2022Observed: 6.76 ft at 6:45PM Aug 04, 2022Observed: 6.77 ft at 7:00PM Aug 04, 2022Observed: 6.77 ft at 7:15PM Aug 04, 2022Observed: 6.77 ft at 7:30PM Aug 04, 2022Observed: 6.76 ft at 7:45PM Aug 04, 2022Observed: 6.76 ft at 8:00PM Aug 04, 2022Observed: 6.75 ft at 8:15PM Aug 04, 2022Observed: 6.75 ft at 8:30PM Aug 04, 2022Observed: 6.74 ft at 8:45PM Aug 04, 2022Observed: 6.73 ft at 9:00PM Aug 04, 2022Observed: 6.72 ft at 9:15PM Aug 04, 2022Observed: 6.71 ft at 9:30PM Aug 04, 2022Observed: 6.71 ft at 9:45PM Aug 04, 2022Observed: 6.69 ft at 10:00PM Aug 04, 2022Observed: 6.68 ft at 10:15PM Aug 04, 2022Observed: 6.67 ft at 10:30PM Aug 04, 2022Observed: 6.67 ft at 10:45PM Aug 04, 2022Observed: 6.65 ft at 11:00PM Aug 04, 2022Observed: 6.64 ft at 11:15PM Aug 04, 2022Observed: 6.63 ft at 11:30PM Aug 04, 2022Observed: 6.62 ft at 11:45PM Aug 04, 2022Observed: 6.61 ft at 12:00AM Aug 05, 2022Observed: 6.6 ft at 12:15AM Aug 05, 2022Observed: 6.58 ft at 12:30AM Aug 05, 2022Observed: 6.56 ft at 12:45AM Aug 05, 2022Observed: 6.55 ft at 1:00AM Aug 05, 2022Observed: 6.55 ft at 1:15AM Aug 05, 2022Observed: 6.54 ft at 1:30AM Aug 05, 2022Observed: 6.52 ft at 1:45AM Aug 05, 2022Observed: 6.51 ft at 2:00AM Aug 05, 2022Observed: 6.5 ft at 2:15AM Aug 05, 2022Observed: 6.48 ft at 2:30AM Aug 05, 2022Observed: 6.47 ft at 2:45AM Aug 05, 2022Observed: 6.46 ft at 3:00AM Aug 05, 2022Observed: 6.45 ft at 3:15AM Aug 05, 2022Observed: 6.43 ft at 3:30AM Aug 05, 2022Observed: 6.41 ft at 3:45AM Aug 05, 2022Observed: 6.4 ft at 4:00AM Aug 05, 2022Observed: 6.39 ft at 4:15AM Aug 05, 2022Observed: 6.37 ft at 4:30AM Aug 05, 2022Observed: 6.36 ft at 4:45AM Aug 05, 2022Observed: 6.34 ft at 5:00AM Aug 05, 2022Observed: 6.32 ft at 5:15AM Aug 05, 2022Observed: 6.32 ft at 5:30AM Aug 05, 2022Observed: 6.31 ft at 5:45AM Aug 05, 2022Observed: 6.29 ft at 6:00AM Aug 05, 2022Observed: 6.27 ft at 6:15AM Aug 05, 2022Observed: 6.27 ft at 6:30AM Aug 05, 2022Observed: 6.25 ft at 6:45AM Aug 05, 2022Observed: 6.24 ft at 7:00AM Aug 05, 2022Observed: 6.24 ft at 7:15AM Aug 05, 2022Observed: 6.22 ft at 7:30AM Aug 05, 2022Observed: 6.21 ft at 7:45AM Aug 05, 2022Observed: 6.2 ft at 8:00AM Aug 05, 2022Observed: 6.19 ft at 8:15AM Aug 05, 2022Observed: 6.18 ft at 8:30AM Aug 05, 2022Observed: 6.19 ft at 8:45AM Aug 05, 2022Observed: 6.18 ft at 9:00AM Aug 05, 2022Observed: 6.16 ft at 9:15AM Aug 05, 2022Observed: 6.17 ft at 9:30AM Aug 05, 2022Observed: 6.18 ft at 9:45AM Aug 05, 2022Observed: 6.17 ft at 10:00AM Aug 05, 2022Observed: 6.18 ft at 10:15AM Aug 05, 2022Observed: 6.18 ft at 10:30AM Aug 05, 2022Observed: 6.2 ft at 10:45AM Aug 05, 2022Observed: 6.22 ft at 11:00AM Aug 05, 2022Observed: 6.23 ft at 11:15AM Aug 05, 2022Observed: 6.26 ft at 11:30AM Aug 05, 2022Observed: 6.28 ft at 11:45AM Aug 05, 2022Observed: 6.31 ft at 12:00PM Aug 05, 2022Observed: 6.34 ft at 12:15PM Aug 05, 2022Observed: 6.38 ft at 12:30PM Aug 05, 2022Observed: 6.4 ft at 12:45PM Aug 05, 2022Observed: 6.44 ft at 1:00PM Aug 05, 2022Observed: 6.46 ft at 1:15PM Aug 05, 2022Observed: 6.5 ft at 1:30PM Aug 05, 2022Observed: 6.52 ft at 1:45PM Aug 05, 2022Observed: 6.55 ft at 2:00PM Aug 05, 2022Observed: 6.58 ft at 2:15PM Aug 05, 2022Observed: 6.59 ft at 2:30PM Aug 05, 2022Observed: 6.61 ft at 2:45PM Aug 05, 2022Observed: 6.63 ft at 3:00PM Aug 05, 2022Observed: 6.64 ft at 3:15PM Aug 05, 2022Observed: 6.64 ft at 3:30PM Aug 05, 2022Observed: 6.66 ft at 3:45PM Aug 05, 2022Observed: 6.66 ft at 4:00PM Aug 05, 2022Observed: 6.67 ft at 4:15PM Aug 05, 2022Observed: 6.66 ft at 4:30PM Aug 05, 2022Observed: 6.66 ft at 4:45PM Aug 05, 2022Observed: 6.66 ft at 5:00PM Aug 05, 2022Observed: 6.65 ft at 5:15PM Aug 05, 2022Observed: 6.65 ft at 5:30PM Aug 05, 2022Observed: 6.64 ft at 5:45PM Aug 05, 2022Observed: 6.63 ft at 6:00PM Aug 05, 2022Observed: 6.62 ft at 6:15PM Aug 05, 2022Observed: 6.61 ft at 6:30PM Aug 05, 2022Observed: 6.6 ft at 6:45PM Aug 05, 2022Observed: 6.59 ft at 7:00PM Aug 05, 2022Observed: 6.58 ft at 7:15PM Aug 05, 2022Observed: 6.56 ft at 7:30PM Aug 05, 2022Observed: 6.54 ft at 7:45PM Aug 05, 2022Observed: 6.53 ft at 8:00PM Aug 05, 2022Observed: 6.51 ft at 8:15PM Aug 05, 2022Observed: 6.5 ft at 8:30PM Aug 05, 2022Observed: 6.49 ft at 8:45PM Aug 05, 2022Observed: 6.47 ft at 9:00PM Aug 05, 2022Observed: 6.46 ft at 9:15PM Aug 05, 2022Observed: 6.44 ft at 9:30PM Aug 05, 2022Observed: 6.42 ft at 9:45PM Aug 05, 2022Observed: 6.41 ft at 10:00PM Aug 05, 2022Observed: 6.39 ft at 10:15PM Aug 05, 2022Observed: 6.38 ft at 10:30PM Aug 05, 2022Observed: 6.36 ft at 10:45PM Aug 05, 2022Observed: 6.34 ft at 11:00PM Aug 05, 2022Observed: 6.33 ft at 11:15PM Aug 05, 2022Observed: 6.32 ft at 11:30PM Aug 05, 2022Observed: 6.3 ft at 11:45PM Aug 05, 2022Observed: 6.28 ft at 12:00AM Aug 06, 2022Observed: 6.27 ft at 12:15AM Aug 06, 2022Observed: 6.25 ft at 12:30AM Aug 06, 2022Observed: 6.23 ft at 12:45AM Aug 06, 2022Observed: 6.22 ft at 1:00AM Aug 06, 2022Observed: 6.21 ft at 1:15AM Aug 06, 2022Observed: 6.19 ft at 1:30AM Aug 06, 2022Observed: 6.18 ft at 1:45AM Aug 06, 2022Observed: 6.16 ft at 2:00AM Aug 06, 2022Observed: 6.15 ft at 2:15AM Aug 06, 2022Observed: 6.13 ft at 2:30AM Aug 06, 2022Observed: 6.12 ft at 2:45AM Aug 06, 2022Observed: 6.11 ft at 3:00AM Aug 06, 2022Observed: 6.1 ft at 3:15AM Aug 06, 2022Observed: 6.09 ft at 3:30AM Aug 06, 2022Observed: 6.07 ft at 3:45AM Aug 06, 2022Observed: 6.05 ft at 4:00AM Aug 06, 2022Observed: 6.05 ft at 4:15AM Aug 06, 2022Observed: 6.03 ft at 4:30AM Aug 06, 2022Observed: 6.02 ft at 4:45AM Aug 06, 2022Observed: 6.01 ft at 5:00AM Aug 06, 2022Observed: 6 ft at 5:15AM Aug 06, 2022Observed: 5.99 ft at 5:30AM Aug 06, 2022Observed: 5.97 ft at 5:45AM Aug 06, 2022Observed: 5.97 ft at 6:00AM Aug 06, 2022Observed: 5.96 ft at 6:15AM Aug 06, 2022Observed: 5.95 ft at 6:30AM Aug 06, 2022Observed: 5.94 ft at 6:45AM Aug 06, 2022Observed: 5.93 ft at 7:00AM Aug 06, 2022Observed: 5.93 ft at 7:15AM Aug 06, 2022Observed: 5.92 ft at 7:30AM Aug 06, 2022Observed: 5.92 ft at 7:45AM Aug 06, 2022Observed: 5.91 ft at 8:00AM Aug 06, 2022Observed: 5.91 ft at 8:15AM Aug 06, 2022Observed: 5.91 ft at 8:30AM Aug 06, 2022Observed: 5.91 ft at 8:45AM Aug 06, 2022Observed: 5.92 ft at 9:00AM Aug 06, 2022Observed: 5.92 ft at 9:15AM Aug 06, 2022Observed: 5.94 ft at 9:30AM Aug 06, 2022Observed: 5.96 ft at 9:45AM Aug 06, 2022Observed: 5.98 ft at 10:00AM Aug 06, 2022Observed: 6 ft at 10:15AM Aug 06, 2022Observed: 6.03 ft at 10:30AM Aug 06, 2022Observed: 6.05 ft at 10:45AM Aug 06, 2022Observed: 6.08 ft at 11:00AM Aug 06, 2022Observed: 6.11 ft at 11:15AM Aug 06, 2022Observed: 6.13 ft at 11:30AM Aug 06, 2022Observed: 6.15 ft at 11:45AM Aug 06, 2022Observed: 6.18 ft at 12:00PM Aug 06, 2022Observed: 6.2 ft at 12:15PM Aug 06, 2022Observed: 6.22 ft at 12:30PM Aug 06, 2022Observed: 6.23 ft at 12:45PM Aug 06, 2022Observed: 6.24 ft at 1:00PM Aug 06, 2022Observed: 6.25 ft at 1:15PM Aug 06, 2022Observed: 6.26 ft at 1:30PM Aug 06, 2022Observed: 6.26 ft at 1:45PM Aug 06, 2022Observed: 6.26 ft at 2:00PM Aug 06, 2022Observed: 6.26 ft at 2:15PM Aug 06, 2022Observed: 6.26 ft at 2:30PM Aug 06, 2022Observed: 6.27 ft at 2:45PM Aug 06, 2022Observed: 6.26 ft at 3:00PM Aug 06, 2022Observed: 6.26 ft at 3:15PM Aug 06, 2022Observed: 6.25 ft at 3:30PM Aug 06, 2022Observed: 6.25 ft at 3:45PM Aug 06, 2022Observed: 6.24 ft at 4:00PM Aug 06, 2022Observed: 6.23 ft at 4:15PM Aug 06, 2022Observed: 6.22 ft at 4:30PM Aug 06, 2022Observed: 6.21 ft at 4:45PM Aug 06, 2022Observed: 6.2 ft at 5:00PM Aug 06, 2022Observed: 6.19 ft at 5:15PM Aug 06, 2022Observed: 6.18 ft at 5:30PM Aug 06, 2022Observed: 6.17 ft at 5:45PM Aug 06, 2022Observed: 6.16 ft at 6:00PM Aug 06, 2022Observed: 6.15 ft at 6:15PM Aug 06, 2022Observed: 6.14 ft at 6:30PM Aug 06, 2022Observed: 6.13 ft at 6:45PM Aug 06, 2022Observed: 6.11 ft at 7:00PM Aug 06, 2022Observed: 6.11 ft at 7:15PM Aug 06, 2022Observed: 6.1 ft at 7:30PM Aug 06, 2022Observed: 6.08 ft at 7:45PM Aug 06, 2022Observed: 6.07 ft at 8:00PM Aug 06, 2022Observed: 6.06 ft at 8:15PM Aug 06, 2022Observed: 6.05 ft at 8:30PM Aug 06, 2022Observed: 6.04 ft at 8:45PM Aug 06, 2022Observed: 6.04 ft at 9:00PM Aug 06, 2022Observed: 6.02 ft at 9:15PM Aug 06, 2022Observed: 6.02 ft at 9:30PM Aug 06, 2022Observed: 6 ft at 9:45PM Aug 06, 2022Observed: 6 ft at 10:00PM Aug 06, 2022Observed: 5.98 ft at 10:15PM Aug 06, 2022Observed: 5.98 ft at 10:30PM Aug 06, 2022Observed: 5.97 ft at 10:45PM Aug 06, 2022Observed: 5.96 ft at 11:00PM Aug 06, 2022Observed: 5.95 ft at 11:15PM Aug 06, 2022Observed: 5.94 ft at 11:30PM Aug 06, 2022Observed: 5.94 ft at 11:45PM Aug 06, 2022Observed: 5.93 ft at 12:00AM Aug 07, 2022Observed: 5.93 ft at 12:15AM Aug 07, 2022Observed: 5.92 ft at 12:30AM Aug 07, 2022Observed: 5.92 ft at 12:45AM Aug 07, 2022Observed: 5.91 ft at 1:00AM Aug 07, 2022Observed: 5.9 ft at 1:15AM Aug 07, 2022Observed: 5.9 ft at 1:30AM Aug 07, 2022Observed: 5.89 ft at 1:45AM Aug 07, 2022Observed: 5.89 ft at 2:00AM Aug 07, 2022Observed: 5.88 ft at 2:15AM Aug 07, 2022Observed: 5.88 ft at 2:30AM Aug 07, 2022Observed: 5.88 ft at 2:45AM Aug 07, 2022Observed: 5.88 ft at 3:00AM Aug 07, 2022Observed: 5.87 ft at 3:15AM Aug 07, 2022Observed: 5.88 ft at 3:30AM Aug 07, 2022Observed: 5.88 ft at 3:45AM Aug 07, 2022Observed: 5.88 ft at 4:00AM Aug 07, 2022Observed: 5.89 ft at 4:15AM Aug 07, 2022Observed: 5.9 ft at 4:30AM Aug 07, 2022Observed: 5.91 ft at 4:45AM Aug 07, 2022Observed: 5.91 ft at 5:00AM Aug 07, 2022Observed: 5.93 ft at 5:15AM Aug 07, 2022Observed: 5.94 ft at 5:30AM Aug 07, 2022Observed: 5.95 ft at 5:45AM Aug 07, 2022Observed: 5.98 ft at 6:00AM Aug 07, 2022Observed: 5.99 ft at 6:15AM Aug 07, 2022Observed: 6.01 ft at 6:30AM Aug 07, 2022Observed: 6.02 ft at 6:45AM Aug 07, 2022Observed: 6.05 ft at 7:00AM Aug 07, 2022Observed: 6.06 ft at 7:15AM Aug 07, 2022Observed: 6.09 ft at 7:30AM Aug 07, 2022Observed: 6.11 ft at 7:45AM Aug 07, 2022Observed: 6.13 ft at 8:00AM Aug 07, 2022Observed: 6.14 ft at 8:15AM Aug 07, 2022Observed: 6.16 ft at 8:30AM Aug 07, 2022Observed: 6.18 ft at 8:45AM Aug 07, 2022Observed: 6.19 ft at 9:00AM Aug 07, 2022Observed: 6.2 ft at 9:15AM Aug 07, 2022Observed: 6.22 ft at 9:30AM Aug 07, 2022Observed: 6.23 ft at 9:45AM Aug 07, 2022Observed: 6.23 ft at 10:00AM Aug 07, 2022Observed: 6.24 ft at 10:15AM Aug 07, 2022Observed: 6.26 ft at 10:30AM Aug 07, 2022Observed: 6.26 ft at 10:45AM Aug 07, 2022Observed: 6.27 ft at 11:00AM Aug 07, 2022Observed: 6.27 ft at 11:15AM Aug 07, 2022Observed: 6.27 ft at 11:30AM Aug 07, 2022Observed: 6.28 ft at 11:45AM Aug 07, 2022Observed: 6.28 ft at 12:00PM Aug 07, 2022Observed: 6.28 ft at 12:15PM Aug 07, 2022Observed: 6.28 ft at 12:30PM Aug 07, 2022Observed: 6.29 ft at 12:45PM Aug 07, 2022Observed: 6.29 ft at 1:00PM Aug 07, 2022Observed: 6.29 ft at 1:15PM Aug 07, 2022Observed: 6.29 ft at 1:30PM Aug 07, 2022Observed: 6.28 ft at 1:45PM Aug 07, 2022Observed: 6.28 ft at 2:00PM Aug 07, 2022Observed: 6.26 ft at 2:15PM Aug 07, 2022Observed: 6.28 ft at 2:30PM Aug 07, 2022Observed: 6.27 ft at 2:45PM Aug 07, 2022Observed: 6.29 ft at 3:00PM Aug 07, 2022Observed: 6.3 ft at 3:15PM Aug 07, 2022Observed: 6.32 ft at 3:30PM Aug 07, 2022Observed: 6.33 ft at 3:45PM Aug 07, 2022Observed: 6.33 ft at 4:00PM Aug 07, 2022Observed: 6.33 ft at 4:15PM Aug 07, 2022Observed: 6.32 ft at 4:30PM Aug 07, 2022Observed: 6.32 ft at 4:45PM Aug 07, 2022Observed: 6.32 ft at 5:00PM Aug 07, 2022Observed: 6.32 ft at 5:15PM Aug 07, 2022Observed: 6.31 ft at 5:30PM Aug 07, 2022Observed: 6.31 ft at 5:45PM Aug 07, 2022Observed: 6.3 ft at 6:00PM Aug 07, 2022Observed: 6.29 ft at 6:15PM Aug 07, 2022Observed: 6.29 ft at 6:30PM Aug 07, 2022Observed: 6.28 ft at 6:45PM Aug 07, 2022Observed: 6.27 ft at 7:00PM Aug 07, 2022Observed: 6.27 ft at 7:15PM Aug 07, 2022Observed: 6.26 ft at 7:30PM Aug 07, 2022Observed: 6.25 ft at 7:45PM Aug 07, 2022Observed: 6.24 ft at 8:00PM Aug 07, 2022Observed: 6.24 ft at 8:15PM Aug 07, 2022Observed: 6.23 ft at 8:30PM Aug 07, 2022Observed: 6.22 ft at 8:45PM Aug 07, 2022Observed: 6.22 ft at 9:00PM Aug 07, 2022Observed: 6.21 ft at 9:15PM Aug 07, 2022Observed: 6.2 ft at 9:30PM Aug 07, 2022Observed: 6.19 ft at 9:45PM Aug 07, 2022Observed: 6.19 ft at 10:00PM Aug 07, 2022Observed: 6.18 ft at 10:15PM Aug 07, 2022Observed: 6.17 ft at 10:30PM Aug 07, 2022Observed: 6.17 ft at 10:45PM Aug 07, 2022Observed: 6.16 ft at 11:00PM Aug 07, 2022Observed: 6.16 ft at 11:15PM Aug 07, 2022Observed: 6.15 ft at 11:30PM Aug 07, 2022Observed: 6.14 ft at 11:45PM Aug 07, 2022Observed: 6.13 ft at 12:00AM Aug 08, 2022Observed: 6.13 ft at 12:15AM Aug 08, 2022Observed: 6.12 ft at 12:30AM Aug 08, 2022Observed: 6.12 ft at 12:45AM Aug 08, 2022Observed: 6.12 ft at 1:00AM Aug 08, 2022Observed: 6.11 ft at 1:15AM Aug 08, 2022Observed: 6.11 ft at 1:30AM Aug 08, 2022Observed: 6.11 ft at 1:45AM Aug 08, 2022Observed: 6.1 ft at 2:00AM Aug 08, 2022Observed: 6.1 ft at 2:15AM Aug 08, 2022Observed: 6.11 ft at 2:30AM Aug 08, 2022Observed: 6.11 ft at 2:45AM Aug 08, 2022Observed: 6.1 ft at 3:00AM Aug 08, 2022Observed: 6.11 ft at 3:15AM Aug 08, 2022Observed: 6.11 ft at 3:30AM Aug 08, 2022Observed: 6.12 ft at 3:45AM Aug 08, 2022Observed: 6.12 ft at 4:00AM Aug 08, 2022Observed: 6.13 ft at 4:15AM Aug 08, 2022Observed: 6.14 ft at 4:30AM Aug 08, 2022Observed: 6.15 ft at 4:45AM Aug 08, 2022Observed: 6.16 ft at 5:00AM Aug 08, 2022Observed: 6.18 ft at 5:15AM Aug 08, 2022Observed: 6.18 ft at 5:30AM Aug 08, 2022Observed: 6.18 ft at 5:45AM Aug 08, 2022Observed: 6.23 ft at 6:00AM Aug 08, 2022Observed: 6.26 ft at 6:15AM Aug 08, 2022Observed: 6.29 ft at 6:30AM Aug 08, 2022Observed: 6.31 ft at 6:45AM Aug 08, 2022Observed: 6.35 ft at 7:00AM Aug 08, 2022Observed: 6.39 ft at 7:15AM Aug 08, 2022Observed: 6.41 ft at 7:30AM Aug 08, 2022Observed: 6.45 ft at 7:45AM Aug 08, 2022Observed: 6.49 ft at 8:00AM Aug 08, 2022Observed: 6.5 ft at 8:15AM Aug 08, 2022Observed: 6.54 ft at 8:30AM Aug 08, 2022Observed: 6.57 ft at 8:45AM Aug 08, 2022Observed: 6.6 ft at 9:00AM Aug 08, 2022Observed: 6.61 ft at 9:15AM Aug 08, 2022Observed: 6.66 ft at 9:30AM Aug 08, 2022Observed: 6.65 ft at 9:45AM Aug 08, 2022Observed: 6.69 ft at 10:00AM Aug 08, 2022Observed: 6.71 ft at 10:15AM Aug 08, 2022Observed: 6.74 ft at 10:30AM Aug 08, 2022Observed: 6.75 ft at 10:45AM Aug 08, 2022Observed: 6.76 ft at 11:00AM Aug 08, 2022Observed: 6.77 ft at 11:15AM Aug 08, 2022Highest Observation: 6.78 ft at 11:30AM Aug 08, 2022Highest Observation: 6.78 ft at 11:45AM Aug 08, 2022Highest Observation: 6.78 ft at 12:00PM Aug 08, 2022USGS--Water Resources of the United StatesPORM4(plotting HGIRG) Graph Created (12:51PM Aug 8, 2022)ObservedLatest observed value: 6.78 ft at 12:00 PM EDT 8-Aug-2022. Flood Stage is 12 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Stage may be affected by ice during winter months.

NOTE: Forecasts for the Grand River at Portland are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Grand Ledge Upstream Gauge Downstream Gauge Downstream Gauge - at Ionia
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 14
Flood Stage: 12
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 12.98 ft on 04/21/1975
(2) 12.84 ft on 05/24/2004
(3) 12.62 ft on 02/23/2018
(4) 12.45 ft on 02/27/2019
(5) 12.05 ft on 03/17/1982
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 10.59 ft on 06/27/2021
(2) 11.32 ft on 05/19/2020
(3) 10.90 ft on 06/20/2019
(4) 12.45 ft on 02/27/2019
(5) 12.62 ft on 02/23/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 3.84 ft on 10/10/1963
(2) 4.00 ft on 09/13/1963
(3) 4.04 ft on 08/23/1965

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
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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
16 Expect major flooding of the business district and residential areas in the Village of Lyons and basement flooding of residences on the west side of Kent Street in Portland.
14 Expect moderate flooding of the first floor of residences and businesses in the south section of the Village of Lyons. Elizabeth, Superior, and Railroad Streets in the Village of Lyons closed due to flooding.
12 Expect minor flooding in the Village of Lyons and low lying areas adjacent to the river. Two Rivers Park in Portland flooded.
11 River is bankfull. Expect minor flooding of low areas along the river upstream and downstream of Portland.
Photos
(1) Grand River in Portland - Looking Downstream from Bridge
(2) Grand River in Portland - Looking at Confluence with Looking Glass River
(3) Grand River at Portland - Looking Downstream
(4) Grand River at Portland - Looking Upstream at Right Bank
(5) Grand River at Portland - Looking Upstream at Bridge
(6) Grand River at Portland - Looking Upstream from Bridge
(7) 2001 High water on the Grand River in Portland
(8) 2001 High water on the Grand River near Grand River Bridge in Portland
(9) 2001 Lowland flooding along the Grand River near Portland
(10) 2001 flooding of river walk in Portland
(11) 2001 Lowland flooding on the Grand River near the USGS river gage on Kent St. Bridge
(12) 2005 Ice Jam on the Grand River near Portland at the Goodwin Rd. Bridge
(13) 2005 Ice Jam on the Grand River near the Portland Municipal Dam
About This Location Collapse

Latitude: 42.856423° N, Longitude: 84.912218° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 704.52 ft 716.52 ft 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
Grand Rapids Weather Forecast Office
4899 Tim Dougherty Drive SE
Grand Rapids, MI 49512-4034
(616) 949-0643
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