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Hydrograph River at a Glance Download
Mad River near Arcata Stage (ft)Flow (cfs)Observed: 5.56 ft at 12:15PM Aug 12, 2020Observed: 5.56 ft at 12:30PM Aug 12, 2020Observed: 5.56 ft at 12:45PM Aug 12, 2020Observed: 5.57 ft at 1:00PM Aug 12, 2020Observed: 5.57 ft at 1:15PM Aug 12, 2020Observed: 5.58 ft at 1:30PM Aug 12, 2020Observed: 5.59 ft at 1:45PM Aug 12, 2020Observed: 5.59 ft at 2:00PM Aug 12, 2020Observed: 5.6 ft at 2:15PM Aug 12, 2020Observed: 5.61 ft at 2:30PM Aug 12, 2020Observed: 5.61 ft at 2:45PM Aug 12, 2020Observed: 5.61 ft at 3:00PM Aug 12, 2020Observed: 5.61 ft at 3:15PM Aug 12, 2020Observed: 5.61 ft at 3:30PM Aug 12, 2020Observed: 5.62 ft at 3:45PM Aug 12, 2020Observed: 5.62 ft at 4:00PM Aug 12, 2020Observed: 5.62 ft at 4:15PM Aug 12, 2020Observed: 5.63 ft at 4:30PM Aug 12, 2020Observed: 5.63 ft at 4:45PM Aug 12, 2020Observed: 5.63 ft at 5:00PM Aug 12, 2020Observed: 5.63 ft at 5:15PM Aug 12, 2020Observed: 5.63 ft at 5:30PM Aug 12, 2020Highest Observation: 5.64 ft at 5:45PM Aug 12, 2020Observed: 5.63 ft at 6:00PM Aug 12, 2020Highest Observation: 5.64 ft at 6:15PM Aug 12, 2020Observed: 5.63 ft at 6:30PM Aug 12, 2020Observed: 5.63 ft at 6:45PM Aug 12, 2020Observed: 5.62 ft at 7:00PM Aug 12, 2020Observed: 5.62 ft at 7:15PM Aug 12, 2020Observed: 5.61 ft at 7:30PM Aug 12, 2020Observed: 5.61 ft at 7:45PM Aug 12, 2020Observed: 5.6 ft at 8:00PM Aug 12, 2020Observed: 5.59 ft at 8:15PM Aug 12, 2020Observed: 5.59 ft at 8:30PM Aug 12, 2020Observed: 5.59 ft at 8:45PM Aug 12, 2020Observed: 5.58 ft at 9:00PM Aug 12, 2020Observed: 5.58 ft at 9:15PM Aug 12, 2020Observed: 5.58 ft at 9:30PM Aug 12, 2020Observed: 5.58 ft at 9:45PM Aug 12, 2020Observed: 5.57 ft at 10:00PM Aug 12, 2020Observed: 5.57 ft at 10:15PM Aug 12, 2020Observed: 5.58 ft at 10:30PM Aug 12, 2020Observed: 5.57 ft at 10:45PM Aug 12, 2020Observed: 5.57 ft at 11:00PM Aug 12, 2020Observed: 5.57 ft at 11:15PM Aug 12, 2020Observed: 5.57 ft at 11:30PM Aug 12, 2020Observed: 5.57 ft at 11:45PM Aug 12, 2020Observed: 5.56 ft at 12:00AM Aug 13, 2020Observed: 5.56 ft at 12:15AM Aug 13, 2020Observed: 5.56 ft at 12:30AM Aug 13, 2020Observed: 5.55 ft at 12:45AM Aug 13, 2020Observed: 5.55 ft at 1:00AM Aug 13, 2020Observed: 5.54 ft at 1:15AM Aug 13, 2020Observed: 5.54 ft at 1:30AM Aug 13, 2020Observed: 5.53 ft at 1:45AM Aug 13, 2020Observed: 5.54 ft at 2:00AM Aug 13, 2020Observed: 5.53 ft at 2:15AM Aug 13, 2020Observed: 5.53 ft at 2:30AM Aug 13, 2020Observed: 5.54 ft at 2:45AM Aug 13, 2020Observed: 5.55 ft at 3:00AM Aug 13, 2020Observed: 5.55 ft at 3:15AM Aug 13, 2020Observed: 5.55 ft at 3:30AM Aug 13, 2020Observed: 5.55 ft at 3:45AM Aug 13, 2020Observed: 5.55 ft at 4:00AM Aug 13, 2020Observed: 5.55 ft at 4:15AM Aug 13, 2020Observed: 5.55 ft at 4:30AM Aug 13, 2020Observed: 5.55 ft at 4:45AM Aug 13, 2020Observed: 5.55 ft at 5:00AM Aug 13, 2020Observed: 5.55 ft at 5:15AM Aug 13, 2020Observed: 5.55 ft at 5:30AM Aug 13, 2020Observed: 5.56 ft at 5:45AM Aug 13, 2020Observed: 5.55 ft at 6:00AM Aug 13, 2020Observed: 5.56 ft at 6:15AM Aug 13, 2020Observed: 5.56 ft at 6:30AM Aug 13, 2020Observed: 5.55 ft at 6:45AM Aug 13, 2020Observed: 5.56 ft at 7:00AM Aug 13, 2020Observed: 5.56 ft at 7:15AM Aug 13, 2020Observed: 5.57 ft at 7:30AM Aug 13, 2020Observed: 5.57 ft at 7:45AM Aug 13, 2020Observed: 5.57 ft at 8:00AM Aug 13, 2020Observed: 5.57 ft at 8:15AM Aug 13, 2020Observed: 5.57 ft at 8:30AM Aug 13, 2020Observed: 5.57 ft at 8:45AM Aug 13, 2020Observed: 5.57 ft at 9:00AM Aug 13, 2020Observed: 5.57 ft at 9:15AM Aug 13, 2020Observed: 5.57 ft at 9:30AM Aug 13, 2020Observed: 5.57 ft at 9:45AM Aug 13, 2020Observed: 5.57 ft at 10:00AM Aug 13, 2020Observed: 5.57 ft at 10:15AM Aug 13, 2020Observed: 5.57 ft at 10:30AM Aug 13, 2020Observed: 5.57 ft at 10:45AM Aug 13, 2020Observed: 5.57 ft at 11:00AM Aug 13, 2020Observed: 5.56 ft at 11:15AM Aug 13, 2020Observed: 5.57 ft at 11:30AM Aug 13, 2020Observed: 5.57 ft at 11:45AM Aug 13, 2020Observed: 5.56 ft at 12:00PM Aug 13, 2020Observed: 5.56 ft at 12:15PM Aug 13, 2020Observed: 5.55 ft at 12:30PM Aug 13, 2020Observed: 5.58 ft at 12:45PM Aug 13, 2020Observed: 5.57 ft at 1:00PM Aug 13, 2020Observed: 5.58 ft at 1:15PM Aug 13, 2020Observed: 5.59 ft at 1:30PM Aug 13, 2020Observed: 5.6 ft at 1:45PM Aug 13, 2020Observed: 5.6 ft at 2:00PM Aug 13, 2020Observed: 5.6 ft at 2:15PM Aug 13, 2020Observed: 5.6 ft at 2:30PM Aug 13, 2020Observed: 5.61 ft at 2:45PM Aug 13, 2020Observed: 5.62 ft at 3:00PM Aug 13, 2020Observed: 5.63 ft at 3:15PM Aug 13, 2020Observed: 5.62 ft at 3:30PM Aug 13, 2020Observed: 5.62 ft at 3:45PM Aug 13, 2020Observed: 5.62 ft at 4:00PM Aug 13, 2020Observed: 5.62 ft at 4:15PM Aug 13, 2020Observed: 5.62 ft at 4:30PM Aug 13, 2020Observed: 5.63 ft at 4:45PM Aug 13, 2020Observed: 5.63 ft at 5:00PM Aug 13, 2020Observed: 5.63 ft at 5:15PM Aug 13, 2020Observed: 5.63 ft at 5:30PM Aug 13, 2020Observed: 5.63 ft at 5:45PM Aug 13, 2020Observed: 5.63 ft at 6:00PM Aug 13, 2020Observed: 5.63 ft at 6:15PM Aug 13, 2020Observed: 5.63 ft at 6:30PM Aug 13, 2020Observed: 5.63 ft at 6:45PM Aug 13, 2020Observed: 5.62 ft at 7:00PM Aug 13, 2020Observed: 5.61 ft at 7:15PM Aug 13, 2020Observed: 5.61 ft at 7:30PM Aug 13, 2020Observed: 5.6 ft at 7:45PM Aug 13, 2020Observed: 5.6 ft at 8:00PM Aug 13, 2020Observed: 5.59 ft at 8:15PM Aug 13, 2020Observed: 5.59 ft at 8:30PM Aug 13, 2020Observed: 5.59 ft at 8:45PM Aug 13, 2020Observed: 5.58 ft at 9:00PM Aug 13, 2020Observed: 5.58 ft at 9:15PM Aug 13, 2020Observed: 5.58 ft at 9:30PM Aug 13, 2020Observed: 5.57 ft at 9:45PM Aug 13, 2020Observed: 5.57 ft at 10:00PM Aug 13, 2020Observed: 5.57 ft at 10:15PM Aug 13, 2020Observed: 5.57 ft at 10:30PM Aug 13, 2020Observed: 5.56 ft at 10:45PM Aug 13, 2020Observed: 5.56 ft at 11:00PM Aug 13, 2020Observed: 5.56 ft at 11:15PM Aug 13, 2020Observed: 5.56 ft at 11:30PM Aug 13, 2020Observed: 5.55 ft at 11:45PM Aug 13, 2020Observed: 5.54 ft at 12:00AM Aug 14, 2020Observed: 5.53 ft at 12:15AM Aug 14, 2020Observed: 5.53 ft at 12:30AM Aug 14, 2020Observed: 5.53 ft at 12:45AM Aug 14, 2020Observed: 5.53 ft at 1:00AM Aug 14, 2020Observed: 5.52 ft at 1:15AM Aug 14, 2020Observed: 5.52 ft at 1:30AM Aug 14, 2020Observed: 5.53 ft at 1:45AM Aug 14, 2020Observed: 5.53 ft at 2:00AM Aug 14, 2020Observed: 5.53 ft at 2:15AM Aug 14, 2020Observed: 5.54 ft at 2:30AM Aug 14, 2020Observed: 5.54 ft at 2:45AM Aug 14, 2020Observed: 5.54 ft at 3:00AM Aug 14, 2020Observed: 5.54 ft at 3:15AM Aug 14, 2020Observed: 5.55 ft at 3:30AM Aug 14, 2020Observed: 5.54 ft at 3:45AM Aug 14, 2020Observed: 5.54 ft at 4:00AM Aug 14, 2020Observed: 5.54 ft at 4:15AM Aug 14, 2020Observed: 5.54 ft at 4:30AM Aug 14, 2020Observed: 5.55 ft at 4:45AM Aug 14, 2020Observed: 5.54 ft at 5:00AM Aug 14, 2020Observed: 5.54 ft at 5:15AM Aug 14, 2020Observed: 5.55 ft at 5:30AM Aug 14, 2020Observed: 5.55 ft at 5:45AM Aug 14, 2020Observed: 5.55 ft at 6:00AM Aug 14, 2020Observed: 5.54 ft at 6:15AM Aug 14, 2020Observed: 5.55 ft at 6:30AM Aug 14, 2020Observed: 5.55 ft at 6:45AM Aug 14, 2020Observed: 5.55 ft at 7:00AM Aug 14, 2020Observed: 5.55 ft at 7:15AM Aug 14, 2020Observed: 5.55 ft at 7:30AM Aug 14, 2020Observed: 5.55 ft at 7:45AM Aug 14, 2020Observed: 5.55 ft at 8:00AM Aug 14, 2020Observed: 5.54 ft at 8:15AM Aug 14, 2020Observed: 5.54 ft at 8:30AM Aug 14, 2020Observed: 5.54 ft at 8:45AM Aug 14, 2020Observed: 5.55 ft at 9:00AM Aug 14, 2020Observed: 5.54 ft at 9:15AM Aug 14, 2020Observed: 5.54 ft at 9:30AM Aug 14, 2020Observed: 5.54 ft at 9:45AM Aug 14, 2020Observed: 5.53 ft at 10:00AM Aug 14, 2020Observed: 5.53 ft at 10:15AM Aug 14, 2020Observed: 5.52 ft at 10:30AM Aug 14, 2020Observed: 5.52 ft at 10:45AM Aug 14, 2020Observed: 5.52 ft at 11:00AM Aug 14, 2020Observed: 5.53 ft at 11:15AM Aug 14, 2020Observed: 5.53 ft at 11:30AM Aug 14, 2020Observed: 5.54 ft at 11:45AM Aug 14, 2020Observed: 5.54 ft at 12:00PM Aug 14, 2020Observed: 5.54 ft at 12:15PM Aug 14, 2020Observed: 5.54 ft at 12:30PM Aug 14, 2020Observed: 5.56 ft at 12:45PM Aug 14, 2020Observed: 5.56 ft at 1:00PM Aug 14, 2020Observed: 5.57 ft at 1:15PM Aug 14, 2020Observed: 5.57 ft at 1:30PM Aug 14, 2020Observed: 5.58 ft at 1:45PM Aug 14, 2020Observed: 5.59 ft at 2:00PM Aug 14, 2020Observed: 5.59 ft at 2:15PM Aug 14, 2020Observed: 5.6 ft at 2:30PM Aug 14, 2020Observed: 5.6 ft at 2:45PM Aug 14, 2020Observed: 5.6 ft at 3:00PM Aug 14, 2020Observed: 5.61 ft at 3:15PM Aug 14, 2020Observed: 5.61 ft at 3:30PM Aug 14, 2020Observed: 5.62 ft at 3:45PM Aug 14, 2020Observed: 5.62 ft at 4:00PM Aug 14, 2020Observed: 5.61 ft at 4:15PM Aug 14, 2020Observed: 5.62 ft at 4:30PM Aug 14, 2020Observed: 5.62 ft at 4:45PM Aug 14, 2020Observed: 5.62 ft at 5:00PM Aug 14, 2020Observed: 5.62 ft at 5:15PM Aug 14, 2020Observed: 5.62 ft at 5:30PM Aug 14, 2020Observed: 5.62 ft at 5:45PM Aug 14, 2020Observed: 5.62 ft at 6:00PM Aug 14, 2020Observed: 5.62 ft at 6:15PM Aug 14, 2020Observed: 5.62 ft at 6:30PM Aug 14, 2020Observed: 5.62 ft at 6:45PM Aug 14, 2020Observed: 5.61 ft at 7:00PM Aug 14, 2020Observed: 5.61 ft at 7:15PM Aug 14, 2020Observed: 5.61 ft at 7:30PM Aug 14, 2020Observed: 5.6 ft at 7:45PM Aug 14, 2020Observed: 5.59 ft at 8:00PM Aug 14, 2020Observed: 5.59 ft at 8:15PM Aug 14, 2020Observed: 5.58 ft at 8:30PM Aug 14, 2020Observed: 5.58 ft at 8:45PM Aug 14, 2020Observed: 5.58 ft at 9:00PM Aug 14, 2020Observed: 5.58 ft at 9:15PM Aug 14, 2020Observed: 5.57 ft at 9:30PM Aug 14, 2020Observed: 5.57 ft at 9:45PM Aug 14, 2020Observed: 5.57 ft at 10:00PM Aug 14, 2020Observed: 5.57 ft at 10:15PM Aug 14, 2020Observed: 5.56 ft at 10:30PM Aug 14, 2020Observed: 5.56 ft at 10:45PM Aug 14, 2020Observed: 5.56 ft at 11:00PM Aug 14, 2020Observed: 5.56 ft at 11:15PM Aug 14, 2020Observed: 5.57 ft at 11:30PM Aug 14, 2020Observed: 5.55 ft at 11:45PM Aug 14, 2020Observed: 5.54 ft at 12:00AM Aug 15, 2020Observed: 5.53 ft at 12:15AM Aug 15, 2020Observed: 5.53 ft at 12:30AM Aug 15, 2020Observed: 5.52 ft at 12:45AM Aug 15, 2020Observed: 5.52 ft at 1:00AM Aug 15, 2020Observed: 5.52 ft at 1:15AM Aug 15, 2020Observed: 5.51 ft at 1:30AM Aug 15, 2020Observed: 5.52 ft at 1:45AM Aug 15, 2020Observed: 5.52 ft at 2:00AM Aug 15, 2020Observed: 5.51 ft at 2:15AM Aug 15, 2020Observed: 5.52 ft at 2:30AM Aug 15, 2020Observed: 5.52 ft at 2:45AM Aug 15, 2020Observed: 5.53 ft at 3:00AM Aug 15, 2020Observed: 5.53 ft at 3:15AM Aug 15, 2020Observed: 5.54 ft at 3:30AM Aug 15, 2020Observed: 5.54 ft at 3:45AM Aug 15, 2020Observed: 5.54 ft at 4:00AM Aug 15, 2020Observed: 5.54 ft at 4:15AM Aug 15, 2020Observed: 5.54 ft at 4:30AM Aug 15, 2020Observed: 5.54 ft at 4:45AM Aug 15, 2020Observed: 5.54 ft at 5:00AM Aug 15, 2020Observed: 5.54 ft at 5:15AM Aug 15, 2020Observed: 5.55 ft at 5:30AM Aug 15, 2020Observed: 5.54 ft at 5:45AM Aug 15, 2020Observed: 5.54 ft at 6:00AM Aug 15, 2020Observed: 5.54 ft at 6:15AM Aug 15, 2020Observed: 5.54 ft at 6:30AM Aug 15, 2020Observed: 5.55 ft at 6:45AM Aug 15, 2020Observed: 5.54 ft at 7:00AM Aug 15, 2020Observed: 5.55 ft at 7:15AM Aug 15, 2020Observed: 5.54 ft at 7:30AM Aug 15, 2020Observed: 5.54 ft at 7:45AM Aug 15, 2020Observed: 5.55 ft at 8:00AM Aug 15, 2020Observed: 5.55 ft at 8:15AM Aug 15, 2020Observed: 5.55 ft at 8:30AM Aug 15, 2020Observed: 5.55 ft at 8:45AM Aug 15, 2020Observed: 5.55 ft at 9:00AM Aug 15, 2020Observed: 5.55 ft at 9:15AM Aug 15, 2020Observed: 5.56 ft at 9:30AM Aug 15, 2020Observed: 5.56 ft at 9:45AM Aug 15, 2020Observed: 5.56 ft at 10:00AM Aug 15, 2020Observed: 5.56 ft at 10:15AM Aug 15, 2020Observed: 5.56 ft at 10:30AM Aug 15, 2020Observed: 5.57 ft at 10:45AM Aug 15, 2020Highest Forecast: 5.5 ft 1:00PM Aug 15, 2020Highest Forecast: 5.5 ft 2:00PM Aug 15, 2020Highest Forecast: 5.5 ft 3:00PM Aug 15, 2020Highest Forecast: 5.5 ft 4:00PM Aug 15, 2020Highest Forecast: 5.5 ft 5:00PM Aug 15, 2020Highest Forecast: 5.5 ft 6:00PM Aug 15, 2020Highest Forecast: 5.5 ft 7:00PM Aug 15, 2020Highest Forecast: 5.5 ft 8:00PM Aug 15, 2020Highest Forecast: 5.5 ft 9:00PM Aug 15, 2020Highest Forecast: 5.5 ft 10:00PM Aug 15, 2020Highest Forecast: 5.5 ft 11:00PM Aug 15, 2020Highest Forecast: 5.5 ft 12:00AM Aug 16, 2020Highest Forecast: 5.5 ft 1:00AM Aug 16, 2020Highest Forecast: 5.5 ft 2:00AM Aug 16, 2020Highest Forecast: 5.5 ft 3:00AM Aug 16, 2020Highest Forecast: 5.5 ft 4:00AM Aug 16, 2020Highest Forecast: 5.5 ft 5:00AM Aug 16, 2020Highest Forecast: 5.5 ft 6:00AM Aug 16, 2020Highest Forecast: 5.5 ft 7:00AM Aug 16, 2020Highest Forecast: 5.5 ft 8:00AM Aug 16, 2020Highest Forecast: 5.5 ft 9:00AM Aug 16, 2020Highest Forecast: 5.5 ft 10:00AM Aug 16, 2020Highest Forecast: 5.5 ft 11:00AM Aug 16, 2020Highest Forecast: 5.5 ft 12:00PM Aug 16, 2020Highest Forecast: 5.5 ft 1:00PM Aug 16, 2020Highest Forecast: 5.5 ft 2:00PM Aug 16, 2020Highest Forecast: 5.5 ft 3:00PM Aug 16, 2020Highest Forecast: 5.5 ft 4:00PM Aug 16, 2020Highest Forecast: 5.5 ft 5:00PM Aug 16, 2020Highest Forecast: 5.5 ft 6:00PM Aug 16, 2020Highest Forecast: 5.5 ft 7:00PM Aug 16, 2020Highest Forecast: 5.5 ft 8:00PM Aug 16, 2020Highest Forecast: 5.5 ft 9:00PM Aug 16, 2020Highest Forecast: 5.5 ft 10:00PM Aug 16, 2020Highest Forecast: 5.5 ft 11:00PM Aug 16, 2020Highest Forecast: 5.5 ft 12:00AM Aug 17, 2020Highest Forecast: 5.5 ft 1:00AM Aug 17, 2020Highest Forecast: 5.5 ft 2:00AM Aug 17, 2020Highest Forecast: 5.5 ft 3:00AM Aug 17, 2020Highest Forecast: 5.5 ft 4:00AM Aug 17, 2020Highest Forecast: 5.5 ft 5:00AM Aug 17, 2020Highest Forecast: 5.5 ft 6:00AM Aug 17, 2020Highest Forecast: 5.5 ft 7:00AM Aug 17, 2020Highest Forecast: 5.5 ft 8:00AM Aug 17, 2020Highest Forecast: 5.5 ft 9:00AM Aug 17, 2020Highest Forecast: 5.5 ft 10:00AM Aug 17, 2020Highest Forecast: 5.5 ft 11:00AM Aug 17, 2020Highest Forecast: 5.5 ft 12:00PM Aug 17, 2020Highest Forecast: 5.5 ft 1:00PM Aug 17, 2020Highest Forecast: 5.5 ft 2:00PM Aug 17, 2020Highest Forecast: 5.5 ft 3:00PM Aug 17, 2020Highest Forecast: 5.5 ft 4:00PM Aug 17, 2020Highest Forecast: 5.5 ft 5:00PM Aug 17, 2020Highest Forecast: 5.5 ft 6:00PM Aug 17, 2020Highest Forecast: 5.5 ft 7:00PM Aug 17, 2020Highest Forecast: 5.5 ft 8:00PM Aug 17, 2020Highest Forecast: 5.5 ft 9:00PM Aug 17, 2020Highest Forecast: 5.5 ft 10:00PM Aug 17, 2020Highest Forecast: 5.5 ft 11:00PM Aug 17, 2020Highest Forecast: 5.5 ft 12:00AM Aug 18, 2020Highest Forecast: 5.5 ft 1:00AM Aug 18, 2020Highest Forecast: 5.5 ft 2:00AM Aug 18, 2020Highest Forecast: 5.5 ft 3:00AM Aug 18, 2020Highest Forecast: 5.5 ft 4:00AM Aug 18, 2020Highest Forecast: 5.5 ft 5:00AM Aug 18, 2020Highest Forecast: 5.5 ft 6:00AM Aug 18, 2020Highest Forecast: 5.5 ft 7:00AM Aug 18, 2020Highest Forecast: 5.5 ft 8:00AM Aug 18, 2020Highest Forecast: 5.5 ft 9:00AM Aug 18, 2020Highest Forecast: 5.5 ft 10:00AM Aug 18, 2020Highest Forecast: 5.5 ft 11:00AM Aug 18, 2020Highest Forecast: 5.5 ft 12:00PM Aug 18, 2020Highest Forecast: 5.5 ft 1:00PM Aug 18, 2020Highest Forecast: 5.5 ft 2:00PM Aug 18, 2020Highest Forecast: 5.5 ft 3:00PM Aug 18, 2020Highest Forecast: 5.5 ft 4:00PM Aug 18, 2020Highest Forecast: 5.5 ft 5:00PM Aug 18, 2020Highest Forecast: 5.5 ft 6:00PM Aug 18, 2020Highest Forecast: 5.5 ft 7:00PM Aug 18, 2020Highest Forecast: 5.5 ft 8:00PM Aug 18, 2020Highest Forecast: 5.5 ft 9:00PM Aug 18, 2020Highest Forecast: 5.5 ft 10:00PM Aug 18, 2020Highest Forecast: 5.5 ft 11:00PM Aug 18, 2020Highest Forecast: 5.5 ft 12:00AM Aug 19, 2020Highest Forecast: 5.5 ft 1:00AM Aug 19, 2020Highest Forecast: 5.5 ft 2:00AM Aug 19, 2020Highest Forecast: 5.5 ft 3:00AM Aug 19, 2020Highest Forecast: 5.5 ft 4:00AM Aug 19, 2020Highest Forecast: 5.5 ft 5:00AM Aug 19, 2020Highest Forecast: 5.5 ft 6:00AM Aug 19, 2020Highest Forecast: 5.5 ft 7:00AM Aug 19, 2020Highest Forecast: 5.5 ft 8:00AM Aug 19, 2020Highest Forecast: 5.5 ft 9:00AM Aug 19, 2020Highest Forecast: 5.5 ft 10:00AM Aug 19, 2020Highest Forecast: 5.5 ft 11:00AM Aug 19, 2020Highest Forecast: 5.5 ft 12:00PM Aug 19, 2020Highest Forecast: 5.5 ft 1:00PM Aug 19, 2020Highest Forecast: 5.5 ft 2:00PM Aug 19, 2020Highest Forecast: 5.5 ft 3:00PM Aug 19, 2020Highest Forecast: 5.5 ft 4:00PM Aug 19, 2020Highest Forecast: 5.5 ft 5:00PM Aug 19, 2020Highest Forecast: 5.5 ft 6:00PM Aug 19, 2020Highest Forecast: 5.5 ft 7:00PM Aug 19, 2020Highest Forecast: 5.5 ft 8:00PM Aug 19, 2020Highest Forecast: 5.5 ft 9:00PM Aug 19, 2020Highest Forecast: 5.5 ft 10:00PM Aug 19, 2020Highest Forecast: 5.5 ft 11:00PM Aug 19, 2020Highest Forecast: 5.5 ft 12:00AM Aug 20, 2020Highest Forecast: 5.5 ft 1:00AM Aug 20, 2020Highest Forecast: 5.5 ft 2:00AM Aug 20, 2020Highest Forecast: 5.5 ft 3:00AM Aug 20, 2020Highest Forecast: 5.5 ft 4:00AM Aug 20, 2020Highest Forecast: 5.5 ft 5:00AM Aug 20, 2020USGS--Water Resources of the United StatesARCC1(plotting HGIRG) Graph Created (12:03PM Aug 15, 2020)ObservedForecast (issued 7:40AM Aug 15)Latest observed value: 5.57 ft at 10:45 AM PDT 15-Aug-2020. Flood Stage is 22 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Mad River near Arcata are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 24
Flood Stage: 22
Action Stage: 15
Low Stage (in feet): -9999

Historic Crests
(1) 32.70 ft on 12/22/1964
(2) 28.43 ft on 12/22/1955
(3) 25.46 ft on 01/01/1997
(4) 25.40 ft on 03/02/1972
(5) 24.90 ft on 02/08/1960
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.92 ft on 02/27/2019
(2) 16.89 ft on 02/15/2019
(3) 19.82 ft on 01/11/2017
(4) 22.73 ft on 01/18/2016
(5) 16.39 ft on 02/07/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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

Zoom Level:11
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
33 Disastrous flooding of all areas near the river from Blue Lake to the mouth. The river is forecast to exceed record levels. All roads in the vicinity of the river are likely to be innundated and travel will be severly restricted. Residents should be prepared to take appropriate action to protect lives and property. This would include homes in Blue Lake, Tyee City and the Arcata Bottoms, as well as US Highway 101 between Arcata and Mckinleyville.
32 Disastrous flooding of all areas near the river from Blue Lake to the mouth. The river is forecast to approach record levels. All roads in the vicinity of the river are likely to be innundated and travel will be severly restricted. Residents should be prepared to take appropriate action to protect lives and property. This would include homes in Blue Lake, Tyee City and the Arcata Bottoms, as well as US Highway 101 between Arcata and Mckinleyville.
30 Extensive, severe flooding of all low lying areas near the river from Blue Lake downstream to the mouth. Residents in these areas should be prepared to take appropriate action to protect lives and property. Critical locations include residential areas of Blue Lake, Tyee City, and the Arcata Bottoms, as well as US Highway 101 near Janes Road and areas near Giuntoli Lane.
28 Severe flooding of all low lying areas near the river from Blue Lake downstream to the mouth. Residents in these areas should be prepared to take appropriate action to protect lives and property. This includes residential areas of Tyee City and the Arcata Bottoms, US Highway 101 near Janes Road, areas near Giuntoli Lane, and Mad River Beach Road.
26 Severe flooding along Mad River Beach Road and extensive flooding of farmlands and other roads in the area. Flooding of residential areas around Tyee City is likely. Any low lying areas near the river could be flooded. Residents in these areas should be prepared to take appropriate action to protect lives and property.
24 Extensive flooding along Mad River Beach Road and adjacent farmlands. Some homes along the river could be threatened. Flooding of roads to Tyee City. High tides and strong onshore winds will enhance flood impacts.
23 Significant flooding of portions of Mad River Beach Road and adjacent farmlands is likely. May cause water to flow across roads to Tyee City. High tides and strong, onshore winds will aggravate flood impacts.
22 Significant flooding of portions of Mad River Beach Road. Water may flow across roads to Tyee City. Flood impacts will be aggravated by high tides and strong, onshore winds.
21 Flooding of Mad River Beach Road. Water may be flowing over roads to Tyee City. Flooding will be enhanced if the time of the crest is coincident with high tides and strong onshore winds.
18 Minor flooding of Mad River Beach Road near Tyee City.
15 Minor flooding begins on the Mad River Beach Road near Tyee City.
About This Location Collapse

Latitude: 40.910000° N, Longitude: 124.059444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 22 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 12.79 ft 32.79 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
Eureka Weather Forecast Office
300 Startare Drive
Eureka, CA 95501
(707) 443-6484
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Page last modified: 1-Mar-2019 12:32 AM
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