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Hydrograph River at a Glance Download
Grand River at Portland Stage (ft)Flow (kcfs)Highest Observation: 6.78 ft at 12:45PM Jul 02, 2020Observed: 6.76 ft at 1:00PM Jul 02, 2020Observed: 6.76 ft at 1:15PM Jul 02, 2020Observed: 6.75 ft at 1:30PM Jul 02, 2020Observed: 6.75 ft at 1:45PM Jul 02, 2020Observed: 6.74 ft at 2:00PM Jul 02, 2020Observed: 6.74 ft at 2:15PM Jul 02, 2020Observed: 6.73 ft at 2:30PM Jul 02, 2020Observed: 6.73 ft at 2:45PM Jul 02, 2020Observed: 6.72 ft at 3:00PM Jul 02, 2020Observed: 6.71 ft at 3:15PM Jul 02, 2020Observed: 6.71 ft at 3:30PM Jul 02, 2020Observed: 6.71 ft at 3:45PM Jul 02, 2020Observed: 6.7 ft at 4:00PM Jul 02, 2020Observed: 6.7 ft at 4:15PM Jul 02, 2020Observed: 6.7 ft at 4:30PM Jul 02, 2020Observed: 6.69 ft at 4:45PM Jul 02, 2020Observed: 6.69 ft at 5:00PM Jul 02, 2020Observed: 6.68 ft at 5:15PM Jul 02, 2020Observed: 6.67 ft at 5:30PM Jul 02, 2020Observed: 6.68 ft at 5:45PM Jul 02, 2020Observed: 6.67 ft at 6:00PM Jul 02, 2020Observed: 6.66 ft at 6:15PM Jul 02, 2020Observed: 6.66 ft at 6:30PM Jul 02, 2020Observed: 6.65 ft at 6:45PM Jul 02, 2020Observed: 6.65 ft at 7:00PM Jul 02, 2020Observed: 6.65 ft at 7:15PM Jul 02, 2020Observed: 6.64 ft at 7:30PM Jul 02, 2020Observed: 6.64 ft at 7:45PM Jul 02, 2020Observed: 6.64 ft at 8:00PM Jul 02, 2020Observed: 6.63 ft at 8:15PM Jul 02, 2020Observed: 6.63 ft at 8:30PM Jul 02, 2020Observed: 6.63 ft at 8:45PM Jul 02, 2020Observed: 6.62 ft at 9:00PM Jul 02, 2020Observed: 6.62 ft at 9:15PM Jul 02, 2020Observed: 6.62 ft at 9:30PM Jul 02, 2020Observed: 6.62 ft at 9:45PM Jul 02, 2020Observed: 6.61 ft at 10:00PM Jul 02, 2020Observed: 6.6 ft at 10:15PM Jul 02, 2020Observed: 6.61 ft at 10:30PM Jul 02, 2020Observed: 6.6 ft at 10:45PM Jul 02, 2020Observed: 6.59 ft at 11:00PM Jul 02, 2020Observed: 6.59 ft at 11:15PM Jul 02, 2020Observed: 6.59 ft at 11:30PM Jul 02, 2020Observed: 6.58 ft at 11:45PM Jul 02, 2020Observed: 6.58 ft at 12:00AM Jul 03, 2020Observed: 6.58 ft at 12:15AM Jul 03, 2020Observed: 6.58 ft at 12:30AM Jul 03, 2020Observed: 6.57 ft at 12:45AM Jul 03, 2020Observed: 6.57 ft at 1:00AM Jul 03, 2020Observed: 6.56 ft at 1:15AM Jul 03, 2020Observed: 6.56 ft at 1:30AM Jul 03, 2020Observed: 6.55 ft at 1:45AM Jul 03, 2020Observed: 6.54 ft at 2:00AM Jul 03, 2020Observed: 6.54 ft at 2:15AM Jul 03, 2020Observed: 6.53 ft at 2:30AM Jul 03, 2020Observed: 6.53 ft at 2:45AM Jul 03, 2020Observed: 6.53 ft at 3:00AM Jul 03, 2020Observed: 6.52 ft at 3:15AM Jul 03, 2020Observed: 6.51 ft at 3:30AM Jul 03, 2020Observed: 6.51 ft at 3:45AM Jul 03, 2020Observed: 6.51 ft at 4:00AM Jul 03, 2020Observed: 6.5 ft at 4:15AM Jul 03, 2020Observed: 6.49 ft at 4:30AM Jul 03, 2020Observed: 6.48 ft at 4:45AM Jul 03, 2020Observed: 6.47 ft at 5:00AM Jul 03, 2020Observed: 6.47 ft at 5:15AM Jul 03, 2020Observed: 6.46 ft at 5:30AM Jul 03, 2020Observed: 6.46 ft at 5:45AM Jul 03, 2020Observed: 6.46 ft at 6:00AM Jul 03, 2020Observed: 6.45 ft at 6:15AM Jul 03, 2020Observed: 6.45 ft at 6:30AM Jul 03, 2020Observed: 6.44 ft at 6:45AM Jul 03, 2020Observed: 6.44 ft at 7:00AM Jul 03, 2020Observed: 6.43 ft at 7:15AM Jul 03, 2020Observed: 6.43 ft at 7:30AM Jul 03, 2020Observed: 6.42 ft at 7:45AM Jul 03, 2020Observed: 6.42 ft at 8:00AM Jul 03, 2020Observed: 6.42 ft at 8:15AM Jul 03, 2020Observed: 6.42 ft at 8:30AM Jul 03, 2020Observed: 6.42 ft at 8:45AM Jul 03, 2020Observed: 6.43 ft at 9:00AM Jul 03, 2020Observed: 6.43 ft at 9:15AM Jul 03, 2020Observed: 6.44 ft at 9:30AM Jul 03, 2020Observed: 6.43 ft at 9:45AM Jul 03, 2020Observed: 6.44 ft at 10:00AM Jul 03, 2020Observed: 6.44 ft at 10:15AM Jul 03, 2020Observed: 6.44 ft at 10:30AM Jul 03, 2020Observed: 6.44 ft at 10:45AM Jul 03, 2020Observed: 6.46 ft at 11:00AM Jul 03, 2020Observed: 6.45 ft at 11:15AM Jul 03, 2020Observed: 6.46 ft at 11:30AM Jul 03, 2020Observed: 6.46 ft at 11:45AM Jul 03, 2020Observed: 6.46 ft at 12:00PM Jul 03, 2020Observed: 6.47 ft at 12:15PM Jul 03, 2020Observed: 6.47 ft at 12:30PM Jul 03, 2020Observed: 6.46 ft at 12:45PM Jul 03, 2020Observed: 6.47 ft at 1:00PM Jul 03, 2020Observed: 6.47 ft at 1:15PM Jul 03, 2020Observed: 6.47 ft at 1:30PM Jul 03, 2020Observed: 6.47 ft at 1:45PM Jul 03, 2020Observed: 6.47 ft at 2:00PM Jul 03, 2020Observed: 6.47 ft at 2:15PM Jul 03, 2020Observed: 6.47 ft at 2:30PM Jul 03, 2020Observed: 6.46 ft at 2:45PM Jul 03, 2020Observed: 6.46 ft at 3:00PM Jul 03, 2020Observed: 6.46 ft at 3:15PM Jul 03, 2020Observed: 6.46 ft at 3:30PM Jul 03, 2020Observed: 6.45 ft at 3:45PM Jul 03, 2020Observed: 6.44 ft at 4:00PM Jul 03, 2020Observed: 6.45 ft at 4:15PM Jul 03, 2020Observed: 6.44 ft at 4:30PM Jul 03, 2020Observed: 6.44 ft at 4:45PM Jul 03, 2020Observed: 6.43 ft at 5:00PM Jul 03, 2020Observed: 6.43 ft at 5:15PM Jul 03, 2020Observed: 6.42 ft at 5:30PM Jul 03, 2020Observed: 6.43 ft at 5:45PM Jul 03, 2020Observed: 6.42 ft at 6:00PM Jul 03, 2020Observed: 6.41 ft at 6:15PM Jul 03, 2020Observed: 6.41 ft at 6:30PM Jul 03, 2020Observed: 6.4 ft at 6:45PM Jul 03, 2020Observed: 6.4 ft at 7:00PM Jul 03, 2020Observed: 6.39 ft at 7:15PM Jul 03, 2020Observed: 6.39 ft at 7:30PM Jul 03, 2020Observed: 6.38 ft at 7:45PM Jul 03, 2020Observed: 6.37 ft at 8:00PM Jul 03, 2020Observed: 6.37 ft at 8:15PM Jul 03, 2020Observed: 6.36 ft at 8:30PM Jul 03, 2020Observed: 6.36 ft at 8:45PM Jul 03, 2020Observed: 6.35 ft at 9:00PM Jul 03, 2020Observed: 6.34 ft at 9:15PM Jul 03, 2020Observed: 6.33 ft at 9:30PM Jul 03, 2020Observed: 6.32 ft at 9:45PM Jul 03, 2020Observed: 6.32 ft at 10:00PM Jul 03, 2020Observed: 6.31 ft at 10:15PM Jul 03, 2020Observed: 6.3 ft at 10:30PM Jul 03, 2020Observed: 6.29 ft at 10:45PM Jul 03, 2020Observed: 6.28 ft at 11:00PM Jul 03, 2020Observed: 6.27 ft at 11:15PM Jul 03, 2020Observed: 6.27 ft at 11:30PM Jul 03, 2020Observed: 6.26 ft at 11:45PM Jul 03, 2020Observed: 6.26 ft at 12:00AM Jul 04, 2020Observed: 6.25 ft at 12:15AM Jul 04, 2020Observed: 6.25 ft at 12:30AM Jul 04, 2020Observed: 6.23 ft at 12:45AM Jul 04, 2020Observed: 6.23 ft at 1:00AM Jul 04, 2020Observed: 6.23 ft at 1:15AM Jul 04, 2020Observed: 6.22 ft at 1:30AM Jul 04, 2020Observed: 6.22 ft at 1:45AM Jul 04, 2020Observed: 6.21 ft at 2:00AM Jul 04, 2020Observed: 6.2 ft at 2:15AM Jul 04, 2020Observed: 6.2 ft at 2:30AM Jul 04, 2020Observed: 6.19 ft at 2:45AM Jul 04, 2020Observed: 6.19 ft at 3:00AM Jul 04, 2020Observed: 6.19 ft at 3:15AM Jul 04, 2020Observed: 6.18 ft at 3:30AM Jul 04, 2020Observed: 6.18 ft at 3:45AM Jul 04, 2020Observed: 6.18 ft at 4:00AM Jul 04, 2020Observed: 6.17 ft at 4:15AM Jul 04, 2020Observed: 6.18 ft at 4:30AM Jul 04, 2020Observed: 6.18 ft at 4:45AM Jul 04, 2020Observed: 6.18 ft at 5:00AM Jul 04, 2020Observed: 6.18 ft at 5:15AM Jul 04, 2020Observed: 6.18 ft at 5:30AM Jul 04, 2020Observed: 6.18 ft at 5:45AM Jul 04, 2020Observed: 6.18 ft at 6:00AM Jul 04, 2020Observed: 6.19 ft at 6:15AM Jul 04, 2020Observed: 6.19 ft at 6:30AM Jul 04, 2020Observed: 6.18 ft at 6:45AM Jul 04, 2020Observed: 6.19 ft at 7:00AM Jul 04, 2020Observed: 6.2 ft at 7:15AM Jul 04, 2020Observed: 6.2 ft at 7:30AM Jul 04, 2020Observed: 6.21 ft at 7:45AM Jul 04, 2020Observed: 6.2 ft at 8:00AM Jul 04, 2020Observed: 6.2 ft at 8:15AM Jul 04, 2020Observed: 6.21 ft at 8:30AM Jul 04, 2020Observed: 6.21 ft at 8:45AM Jul 04, 2020Observed: 6.21 ft at 9:00AM Jul 04, 2020Observed: 6.21 ft at 9:15AM Jul 04, 2020Observed: 6.22 ft at 9:30AM Jul 04, 2020Observed: 6.22 ft at 9:45AM Jul 04, 2020Observed: 6.22 ft at 10:00AM Jul 04, 2020Observed: 6.22 ft at 10:15AM Jul 04, 2020Observed: 6.22 ft at 10:30AM Jul 04, 2020Observed: 6.23 ft at 10:45AM Jul 04, 2020Observed: 6.23 ft at 11:00AM Jul 04, 2020Observed: 6.23 ft at 11:15AM Jul 04, 2020Observed: 6.23 ft at 11:30AM Jul 04, 2020Observed: 6.23 ft at 11:45AM Jul 04, 2020Observed: 6.24 ft at 12:00PM Jul 04, 2020Observed: 6.24 ft at 12:15PM Jul 04, 2020Observed: 6.24 ft at 12:30PM Jul 04, 2020Observed: 6.24 ft at 12:45PM Jul 04, 2020Observed: 6.24 ft at 1:00PM Jul 04, 2020Observed: 6.24 ft at 1:15PM Jul 04, 2020Observed: 6.24 ft at 1:30PM Jul 04, 2020Observed: 6.24 ft at 1:45PM Jul 04, 2020Observed: 6.24 ft at 2:00PM Jul 04, 2020Observed: 6.24 ft at 2:15PM Jul 04, 2020Observed: 6.24 ft at 2:30PM Jul 04, 2020Observed: 6.23 ft at 2:45PM Jul 04, 2020Observed: 6.23 ft at 3:00PM Jul 04, 2020Observed: 6.24 ft at 3:15PM Jul 04, 2020Observed: 6.23 ft at 3:30PM Jul 04, 2020Observed: 6.23 ft at 3:45PM Jul 04, 2020Observed: 6.23 ft at 4:00PM Jul 04, 2020Observed: 6.22 ft at 4:15PM Jul 04, 2020Observed: 6.22 ft at 4:30PM Jul 04, 2020Observed: 6.21 ft at 4:45PM Jul 04, 2020Observed: 6.21 ft at 5:00PM Jul 04, 2020Observed: 6.21 ft at 5:15PM Jul 04, 2020Observed: 6.2 ft at 5:30PM Jul 04, 2020Observed: 6.2 ft at 5:45PM Jul 04, 2020Observed: 6.19 ft at 6:00PM Jul 04, 2020Observed: 6.18 ft at 6:15PM Jul 04, 2020Observed: 6.18 ft at 6:30PM Jul 04, 2020Observed: 6.17 ft at 6:45PM Jul 04, 2020Observed: 6.16 ft at 7:00PM Jul 04, 2020Observed: 6.16 ft at 7:15PM Jul 04, 2020Observed: 6.15 ft at 7:30PM Jul 04, 2020Observed: 6.14 ft at 7:45PM Jul 04, 2020Observed: 6.13 ft at 8:00PM Jul 04, 2020Observed: 6.13 ft at 8:15PM Jul 04, 2020Observed: 6.12 ft at 8:30PM Jul 04, 2020Observed: 6.11 ft at 8:45PM Jul 04, 2020Observed: 6.11 ft at 9:00PM Jul 04, 2020Observed: 6.09 ft at 9:15PM Jul 04, 2020Observed: 6.09 ft at 9:30PM Jul 04, 2020Observed: 6.09 ft at 9:45PM Jul 04, 2020Observed: 6.08 ft at 10:00PM Jul 04, 2020Observed: 6.07 ft at 10:15PM Jul 04, 2020Observed: 6.06 ft at 10:30PM Jul 04, 2020Observed: 6.06 ft at 10:45PM Jul 04, 2020Observed: 6.05 ft at 11:00PM Jul 04, 2020Observed: 6.05 ft at 11:15PM Jul 04, 2020Observed: 6.04 ft at 11:30PM Jul 04, 2020Observed: 6.04 ft at 11:45PM Jul 04, 2020Observed: 6.03 ft at 12:00AM Jul 05, 2020Observed: 6.03 ft at 12:15AM Jul 05, 2020Observed: 6.02 ft at 12:30AM Jul 05, 2020Observed: 6.02 ft at 12:45AM Jul 05, 2020Observed: 6.01 ft at 1:00AM Jul 05, 2020Observed: 6 ft at 1:15AM Jul 05, 2020Observed: 6.01 ft at 1:30AM Jul 05, 2020Observed: 6.01 ft at 1:45AM Jul 05, 2020Observed: 6.01 ft at 2:00AM Jul 05, 2020Observed: 6 ft at 2:15AM Jul 05, 2020Observed: 5.99 ft at 2:30AM Jul 05, 2020Observed: 6 ft at 2:45AM Jul 05, 2020Observed: 5.99 ft at 3:00AM Jul 05, 2020Observed: 5.99 ft at 3:15AM Jul 05, 2020Observed: 5.99 ft at 3:30AM Jul 05, 2020Observed: 5.99 ft at 3:45AM Jul 05, 2020Observed: 5.99 ft at 4:00AM Jul 05, 2020Observed: 5.99 ft at 4:15AM Jul 05, 2020Observed: 5.99 ft at 4:30AM Jul 05, 2020Observed: 5.99 ft at 4:45AM Jul 05, 2020Observed: 5.99 ft at 5:00AM Jul 05, 2020Observed: 5.99 ft at 5:15AM Jul 05, 2020Observed: 5.99 ft at 5:30AM Jul 05, 2020Observed: 5.99 ft at 5:45AM Jul 05, 2020Observed: 5.99 ft at 6:00AM Jul 05, 2020Observed: 5.99 ft at 6:15AM Jul 05, 2020Observed: 5.99 ft at 6:30AM Jul 05, 2020Observed: 6 ft at 6:45AM Jul 05, 2020Observed: 5.99 ft at 7:00AM Jul 05, 2020Observed: 5.99 ft at 7:15AM Jul 05, 2020Observed: 5.99 ft at 7:30AM Jul 05, 2020Observed: 5.99 ft at 7:45AM Jul 05, 2020Observed: 6 ft at 8:00AM Jul 05, 2020Observed: 6 ft at 8:15AM Jul 05, 2020Observed: 6 ft at 8:30AM Jul 05, 2020Observed: 6 ft at 8:45AM Jul 05, 2020Observed: 6 ft at 9:00AM Jul 05, 2020Observed: 6 ft at 9:15AM Jul 05, 2020Observed: 6.01 ft at 9:30AM Jul 05, 2020Observed: 6.01 ft at 9:45AM Jul 05, 2020Observed: 6.01 ft at 10:00AM Jul 05, 2020Observed: 6.02 ft at 10:15AM Jul 05, 2020Observed: 6.02 ft at 10:30AM Jul 05, 2020Observed: 6.03 ft at 10:45AM Jul 05, 2020Observed: 6.03 ft at 11:00AM Jul 05, 2020Observed: 6.04 ft at 11:15AM Jul 05, 2020Observed: 6.05 ft at 11:30AM Jul 05, 2020Observed: 6.05 ft at 11:45AM Jul 05, 2020Observed: 6.06 ft at 12:00PM Jul 05, 2020Observed: 6.06 ft at 12:15PM Jul 05, 2020Observed: 6.06 ft at 12:30PM Jul 05, 2020Observed: 6.07 ft at 12:45PM Jul 05, 2020Observed: 6.08 ft at 1:00PM Jul 05, 2020Observed: 6.08 ft at 1:15PM Jul 05, 2020Observed: 6.09 ft at 1:30PM Jul 05, 2020Observed: 6.09 ft at 1:45PM Jul 05, 2020Observed: 6.09 ft at 2:00PM Jul 05, 2020Observed: 6.09 ft at 2:15PM Jul 05, 2020Observed: 6.1 ft at 2:30PM Jul 05, 2020Observed: 6.1 ft at 2:45PM Jul 05, 2020Observed: 6.1 ft at 3:00PM Jul 05, 2020Observed: 6.11 ft at 3:15PM Jul 05, 2020Observed: 6.11 ft at 3:30PM Jul 05, 2020Observed: 6.11 ft at 3:45PM Jul 05, 2020Observed: 6.11 ft at 4:00PM Jul 05, 2020Observed: 6.11 ft at 4:15PM Jul 05, 2020Observed: 6.11 ft at 4:30PM Jul 05, 2020Observed: 6.11 ft at 4:45PM Jul 05, 2020Observed: 6.11 ft at 5:00PM Jul 05, 2020Observed: 6.11 ft at 5:15PM Jul 05, 2020Observed: 6.12 ft at 5:30PM Jul 05, 2020Observed: 6.11 ft at 5:45PM Jul 05, 2020Observed: 6.12 ft at 6:00PM Jul 05, 2020Observed: 6.11 ft at 6:15PM Jul 05, 2020Observed: 6.11 ft at 6:30PM Jul 05, 2020Observed: 6.11 ft at 6:45PM Jul 05, 2020Observed: 6.11 ft at 7:00PM Jul 05, 2020Observed: 6.11 ft at 7:15PM Jul 05, 2020Observed: 6.11 ft at 7:30PM Jul 05, 2020Observed: 6.1 ft at 7:45PM Jul 05, 2020Observed: 6.1 ft at 8:00PM Jul 05, 2020Observed: 6.1 ft at 8:15PM Jul 05, 2020Observed: 6.1 ft at 8:30PM Jul 05, 2020Observed: 6.09 ft at 8:45PM Jul 05, 2020Observed: 6.08 ft at 9:00PM Jul 05, 2020Observed: 6.08 ft at 9:15PM Jul 05, 2020Observed: 6.08 ft at 9:30PM Jul 05, 2020Observed: 6.07 ft at 9:45PM Jul 05, 2020Observed: 6.07 ft at 10:00PM Jul 05, 2020Observed: 6.06 ft at 10:15PM Jul 05, 2020Observed: 6.06 ft at 10:30PM Jul 05, 2020Observed: 6.05 ft at 10:45PM Jul 05, 2020Observed: 6.05 ft at 11:00PM Jul 05, 2020Observed: 6.04 ft at 11:15PM Jul 05, 2020Observed: 6.04 ft at 11:30PM Jul 05, 2020Observed: 6.03 ft at 11:45PM Jul 05, 2020Observed: 6.03 ft at 12:00AM Jul 06, 2020Observed: 6.03 ft at 12:15AM Jul 06, 2020Observed: 6.02 ft at 12:30AM Jul 06, 2020Observed: 6.01 ft at 12:45AM Jul 06, 2020Observed: 6.01 ft at 1:00AM Jul 06, 2020Observed: 6 ft at 1:15AM Jul 06, 2020Observed: 6 ft at 1:30AM Jul 06, 2020Observed: 5.99 ft at 1:45AM Jul 06, 2020Observed: 5.99 ft at 2:00AM Jul 06, 2020Observed: 5.99 ft at 2:15AM Jul 06, 2020Observed: 5.98 ft at 2:30AM Jul 06, 2020Observed: 5.97 ft at 2:45AM Jul 06, 2020Observed: 5.97 ft at 3:00AM Jul 06, 2020Observed: 5.97 ft at 3:15AM Jul 06, 2020Observed: 5.97 ft at 3:30AM Jul 06, 2020Observed: 5.96 ft at 3:45AM Jul 06, 2020Observed: 5.96 ft at 4:00AM Jul 06, 2020Observed: 5.97 ft at 4:15AM Jul 06, 2020Observed: 5.96 ft at 4:30AM Jul 06, 2020Observed: 5.96 ft at 4:45AM Jul 06, 2020Observed: 5.96 ft at 5:00AM Jul 06, 2020Observed: 5.95 ft at 5:15AM Jul 06, 2020Observed: 5.95 ft at 5:30AM Jul 06, 2020Observed: 5.96 ft at 5:45AM Jul 06, 2020Observed: 5.95 ft at 6:00AM Jul 06, 2020Observed: 5.96 ft at 6:15AM Jul 06, 2020Observed: 5.95 ft at 6:30AM Jul 06, 2020Observed: 5.95 ft at 6:45AM Jul 06, 2020Observed: 5.96 ft at 7:00AM Jul 06, 2020Observed: 5.95 ft at 7:15AM Jul 06, 2020Observed: 5.96 ft at 7:30AM Jul 06, 2020Observed: 5.95 ft at 7:45AM Jul 06, 2020Observed: 5.95 ft at 8:00AM Jul 06, 2020Observed: 5.95 ft at 8:15AM Jul 06, 2020Observed: 5.95 ft at 8:30AM Jul 06, 2020Observed: 5.95 ft at 8:45AM Jul 06, 2020Observed: 5.95 ft at 9:00AM Jul 06, 2020Observed: 5.96 ft at 9:15AM Jul 06, 2020Observed: 5.96 ft at 9:30AM Jul 06, 2020Observed: 5.96 ft at 9:45AM Jul 06, 2020Observed: 5.97 ft at 10:00AM Jul 06, 2020Observed: 5.97 ft at 10:15AM Jul 06, 2020Observed: 5.97 ft at 10:30AM Jul 06, 2020Observed: 5.97 ft at 10:45AM Jul 06, 2020Observed: 5.98 ft at 11:00AM Jul 06, 2020Observed: 5.98 ft at 11:15AM Jul 06, 2020Observed: 5.98 ft at 11:30AM Jul 06, 2020Observed: 5.99 ft at 11:45AM Jul 06, 2020Observed: 5.99 ft at 12:00PM Jul 06, 2020Observed: 5.99 ft at 12:15PM Jul 06, 2020Observed: 5.99 ft at 12:30PM Jul 06, 2020Observed: 6 ft at 12:45PM Jul 06, 2020Observed: 6 ft at 1:00PM Jul 06, 2020Observed: 6 ft at 1:15PM Jul 06, 2020Observed: 6.01 ft at 1:30PM Jul 06, 2020Observed: 6.01 ft at 1:45PM Jul 06, 2020Observed: 6 ft at 2:00PM Jul 06, 2020Observed: 6.01 ft at 2:15PM Jul 06, 2020Observed: 6.01 ft at 2:30PM Jul 06, 2020Observed: 6.01 ft at 2:45PM Jul 06, 2020Observed: 6.01 ft at 3:00PM Jul 06, 2020Observed: 6.01 ft at 3:15PM Jul 06, 2020Observed: 6.01 ft at 3:30PM Jul 06, 2020Observed: 6.01 ft at 3:45PM Jul 06, 2020Observed: 6 ft at 4:00PM Jul 06, 2020Observed: 6 ft at 4:15PM Jul 06, 2020Observed: 6 ft at 4:30PM Jul 06, 2020Observed: 5.99 ft at 4:45PM Jul 06, 2020Observed: 5.99 ft at 5:00PM Jul 06, 2020Observed: 5.99 ft at 5:15PM Jul 06, 2020Observed: 5.99 ft at 5:30PM Jul 06, 2020Observed: 5.99 ft at 5:45PM Jul 06, 2020Observed: 5.98 ft at 6:00PM Jul 06, 2020Observed: 5.97 ft at 6:15PM Jul 06, 2020Observed: 5.97 ft at 6:30PM Jul 06, 2020Observed: 5.97 ft at 6:45PM Jul 06, 2020Observed: 5.96 ft at 7:00PM Jul 06, 2020Observed: 5.97 ft at 7:15PM Jul 06, 2020Observed: 5.96 ft at 7:30PM Jul 06, 2020Observed: 5.96 ft at 7:45PM Jul 06, 2020Observed: 5.95 ft at 8:00PM Jul 06, 2020Observed: 5.95 ft at 8:15PM Jul 06, 2020Observed: 5.95 ft at 8:30PM Jul 06, 2020Observed: 5.95 ft at 8:45PM Jul 06, 2020Observed: 5.94 ft at 9:00PM Jul 06, 2020Observed: 5.94 ft at 9:15PM Jul 06, 2020Observed: 5.93 ft at 9:30PM Jul 06, 2020Observed: 5.93 ft at 9:45PM Jul 06, 2020Observed: 5.93 ft at 10:00PM Jul 06, 2020Observed: 5.93 ft at 10:15PM Jul 06, 2020Observed: 5.92 ft at 10:30PM Jul 06, 2020Observed: 5.92 ft at 10:45PM Jul 06, 2020Observed: 5.92 ft at 11:00PM Jul 06, 2020Observed: 5.91 ft at 11:15PM Jul 06, 2020Observed: 5.91 ft at 11:30PM Jul 06, 2020Observed: 5.9 ft at 11:45PM Jul 06, 2020Observed: 5.91 ft at 12:00AM Jul 07, 2020Observed: 5.9 ft at 12:15AM Jul 07, 2020Observed: 5.9 ft at 12:30AM Jul 07, 2020Observed: 5.9 ft at 12:45AM Jul 07, 2020Observed: 5.9 ft at 1:00AM Jul 07, 2020Observed: 5.9 ft at 1:15AM Jul 07, 2020Observed: 5.9 ft at 1:30AM Jul 07, 2020Observed: 5.9 ft at 1:45AM Jul 07, 2020Observed: 5.9 ft at 2:00AM Jul 07, 2020Observed: 5.9 ft at 2:15AM Jul 07, 2020Observed: 5.9 ft at 2:30AM Jul 07, 2020Observed: 5.9 ft at 2:45AM Jul 07, 2020Observed: 5.9 ft at 3:00AM Jul 07, 2020Observed: 5.9 ft at 3:15AM Jul 07, 2020Observed: 5.9 ft at 3:30AM Jul 07, 2020Observed: 5.9 ft at 3:45AM Jul 07, 2020Observed: 5.91 ft at 4:00AM Jul 07, 2020Observed: 5.91 ft at 4:15AM Jul 07, 2020Observed: 5.92 ft at 4:30AM Jul 07, 2020Observed: 5.92 ft at 4:45AM Jul 07, 2020Observed: 5.93 ft at 5:00AM Jul 07, 2020Observed: 5.93 ft at 5:15AM Jul 07, 2020Observed: 5.93 ft at 5:30AM Jul 07, 2020Observed: 5.94 ft at 5:45AM Jul 07, 2020Observed: 5.95 ft at 6:00AM Jul 07, 2020Observed: 5.95 ft at 6:15AM Jul 07, 2020Observed: 5.96 ft at 6:30AM Jul 07, 2020Observed: 5.97 ft at 6:45AM Jul 07, 2020Observed: 5.96 ft at 7:00AM Jul 07, 2020Observed: 5.97 ft at 7:15AM Jul 07, 2020Observed: 5.98 ft at 7:30AM Jul 07, 2020Observed: 5.98 ft at 7:45AM Jul 07, 2020Observed: 5.99 ft at 8:00AM Jul 07, 2020Observed: 5.99 ft at 8:15AM Jul 07, 2020Observed: 6 ft at 8:30AM Jul 07, 2020Observed: 6 ft at 8:45AM Jul 07, 2020Observed: 6 ft at 9:00AM Jul 07, 2020Observed: 6 ft at 9:15AM Jul 07, 2020Observed: 6 ft at 9:30AM Jul 07, 2020Observed: 6.01 ft at 9:45AM Jul 07, 2020Observed: 6.01 ft at 10:00AM Jul 07, 2020Observed: 6.01 ft at 10:15AM Jul 07, 2020Observed: 6.01 ft at 10:30AM Jul 07, 2020Observed: 6.02 ft at 10:45AM Jul 07, 2020Observed: 6.01 ft at 11:00AM Jul 07, 2020USGS--Water Resources of the United StatesPORM4(plotting HGIRZ) Graph Created (12:35PM Jul 7, 2020)ObservedLatest observed value: 6.01 ft at 11:00 AM EDT 7-Jul-2020. Flood Stage is 12 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
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: Gauge reading may be affected by ice during freezing weather from November to April.

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) 12.45 ft on 02/27/2019
(2) 12.62 ft on 02/23/2018
(3) 11.41 ft on 04/08/2017
(4) 8.95 ft on 04/01/2016
(5) 11.02 ft on 06/23/2015
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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Gauge LocationGauge Map Marker
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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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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: 42.856389° N, Longitude: 84.912222° 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 705 ft 717 ft 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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Page last modified: 1-Mar-2019 12:35 AM
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