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Hydrograph River at a Glance Download
Mad River near Arcata Stage (ft)Flow (cfs)Highest Observation: 7.77 ft at 3:45PM Apr 16, 2024Observed: 7.76 ft at 4:00PM Apr 16, 2024Highest Observation: 7.77 ft at 4:15PM Apr 16, 2024Highest Observation: 7.77 ft at 4:30PM Apr 16, 2024Observed: 7.76 ft at 4:45PM Apr 16, 2024Observed: 7.76 ft at 5:00PM Apr 16, 2024Highest Observation: 7.77 ft at 5:15PM Apr 16, 2024Observed: 7.76 ft at 5:30PM Apr 16, 2024Observed: 7.76 ft at 5:45PM Apr 16, 2024Observed: 7.76 ft at 6:00PM Apr 16, 2024Observed: 7.76 ft at 6:15PM Apr 16, 2024Observed: 7.76 ft at 6:30PM Apr 16, 2024Observed: 7.75 ft at 6:45PM Apr 16, 2024Observed: 7.75 ft at 7:00PM Apr 16, 2024Observed: 7.75 ft at 7:15PM Apr 16, 2024Observed: 7.76 ft at 7:30PM Apr 16, 2024Observed: 7.75 ft at 7:45PM Apr 16, 2024Observed: 7.74 ft at 8:00PM Apr 16, 2024Observed: 7.75 ft at 8:15PM Apr 16, 2024Observed: 7.75 ft at 8:30PM Apr 16, 2024Observed: 7.75 ft at 8:45PM Apr 16, 2024Observed: 7.75 ft at 9:00PM Apr 16, 2024Observed: 7.75 ft at 9:15PM Apr 16, 2024Observed: 7.74 ft at 9:30PM Apr 16, 2024Observed: 7.74 ft at 9:45PM Apr 16, 2024Observed: 7.74 ft at 10:00PM Apr 16, 2024Observed: 7.74 ft at 10:15PM Apr 16, 2024Observed: 7.73 ft at 10:30PM Apr 16, 2024Observed: 7.73 ft at 10:45PM Apr 16, 2024Observed: 7.73 ft at 11:00PM Apr 16, 2024Observed: 7.73 ft at 11:15PM Apr 16, 2024Observed: 7.72 ft at 11:30PM Apr 16, 2024Observed: 7.72 ft at 11:45PM Apr 16, 2024Observed: 7.72 ft at 12:00AM Apr 17, 2024Observed: 7.72 ft at 12:15AM Apr 17, 2024Observed: 7.72 ft at 12:30AM Apr 17, 2024Observed: 7.72 ft at 12:45AM Apr 17, 2024Observed: 7.71 ft at 1:00AM Apr 17, 2024Observed: 7.7 ft at 1:15AM Apr 17, 2024Observed: 7.71 ft at 1:30AM Apr 17, 2024Observed: 7.71 ft at 1:45AM Apr 17, 2024Observed: 7.71 ft at 2:00AM Apr 17, 2024Observed: 7.7 ft at 2:15AM Apr 17, 2024Observed: 7.7 ft at 2:30AM Apr 17, 2024Observed: 7.7 ft at 2:45AM Apr 17, 2024Observed: 7.7 ft at 3:00AM Apr 17, 2024Observed: 7.7 ft at 3:15AM Apr 17, 2024Observed: 7.7 ft at 3:30AM Apr 17, 2024Observed: 7.7 ft at 3:45AM Apr 17, 2024Observed: 7.7 ft at 4:00AM Apr 17, 2024Observed: 7.7 ft at 4:15AM Apr 17, 2024Observed: 7.7 ft at 4:30AM Apr 17, 2024Observed: 7.69 ft at 4:45AM Apr 17, 2024Observed: 7.69 ft at 5:00AM Apr 17, 2024Observed: 7.7 ft at 5:15AM Apr 17, 2024Observed: 7.69 ft at 5:30AM Apr 17, 2024Observed: 7.69 ft at 5:45AM Apr 17, 2024Observed: 7.69 ft at 6:00AM Apr 17, 2024Observed: 7.7 ft at 6:15AM Apr 17, 2024Observed: 7.69 ft at 6:30AM Apr 17, 2024Observed: 7.7 ft at 6:45AM Apr 17, 2024Observed: 7.69 ft at 7:00AM Apr 17, 2024Observed: 7.69 ft at 7:15AM Apr 17, 2024Observed: 7.69 ft at 7:30AM Apr 17, 2024Observed: 7.7 ft at 7:45AM Apr 17, 2024Observed: 7.68 ft at 8:00AM Apr 17, 2024Observed: 7.68 ft at 8:15AM Apr 17, 2024Observed: 7.69 ft at 8:30AM Apr 17, 2024Observed: 7.68 ft at 8:45AM Apr 17, 2024Observed: 7.68 ft at 9:00AM Apr 17, 2024Observed: 7.69 ft at 9:15AM Apr 17, 2024Observed: 7.68 ft at 9:30AM Apr 17, 2024Observed: 7.67 ft at 9:45AM Apr 17, 2024Observed: 7.69 ft at 10:00AM Apr 17, 2024Observed: 7.69 ft at 10:15AM Apr 17, 2024Observed: 7.68 ft at 10:30AM Apr 17, 2024Observed: 7.68 ft at 10:45AM Apr 17, 2024Observed: 7.68 ft at 11:00AM Apr 17, 2024Observed: 7.68 ft at 11:15AM Apr 17, 2024Observed: 7.68 ft at 11:30AM Apr 17, 2024Observed: 7.68 ft at 11:45AM Apr 17, 2024Observed: 7.69 ft at 12:00PM Apr 17, 2024Observed: 7.68 ft at 12:15PM Apr 17, 2024Observed: 7.68 ft at 12:30PM Apr 17, 2024Observed: 7.68 ft at 12:45PM Apr 17, 2024Observed: 7.68 ft at 1:00PM Apr 17, 2024Observed: 7.68 ft at 1:15PM Apr 17, 2024Observed: 7.68 ft at 1:30PM Apr 17, 2024Observed: 7.69 ft at 1:45PM Apr 17, 2024Observed: 7.67 ft at 2:00PM Apr 17, 2024Observed: 7.67 ft at 2:15PM Apr 17, 2024Observed: 7.67 ft at 2:30PM Apr 17, 2024Observed: 7.66 ft at 2:45PM Apr 17, 2024Observed: 7.67 ft at 3:00PM Apr 17, 2024Observed: 7.67 ft at 3:15PM Apr 17, 2024Observed: 7.68 ft at 3:30PM Apr 17, 2024Observed: 7.67 ft at 3:45PM Apr 17, 2024Observed: 7.66 ft at 4:00PM Apr 17, 2024Observed: 7.67 ft at 4:15PM Apr 17, 2024Observed: 7.67 ft at 4:30PM Apr 17, 2024Observed: 7.67 ft at 4:45PM Apr 17, 2024Observed: 7.67 ft at 5:00PM Apr 17, 2024Observed: 7.67 ft at 5:15PM Apr 17, 2024Observed: 7.68 ft at 5:30PM Apr 17, 2024Observed: 7.68 ft at 5:45PM Apr 17, 2024Observed: 7.68 ft at 6:00PM Apr 17, 2024Observed: 7.68 ft at 6:15PM Apr 17, 2024Observed: 7.68 ft at 6:30PM Apr 17, 2024Observed: 7.68 ft at 6:45PM Apr 17, 2024Observed: 7.67 ft at 7:00PM Apr 17, 2024Observed: 7.68 ft at 7:15PM Apr 17, 2024Observed: 7.67 ft at 7:30PM Apr 17, 2024Observed: 7.67 ft at 7:45PM Apr 17, 2024Observed: 7.67 ft at 8:00PM Apr 17, 2024Observed: 7.67 ft at 8:15PM Apr 17, 2024Observed: 7.67 ft at 8:30PM Apr 17, 2024Observed: 7.67 ft at 8:45PM Apr 17, 2024Observed: 7.67 ft at 9:00PM Apr 17, 2024Observed: 7.66 ft at 9:15PM Apr 17, 2024Observed: 7.66 ft at 9:30PM Apr 17, 2024Observed: 7.66 ft at 9:45PM Apr 17, 2024Observed: 7.65 ft at 10:00PM Apr 17, 2024Observed: 7.65 ft at 10:15PM Apr 17, 2024Observed: 7.65 ft at 10:30PM Apr 17, 2024Observed: 7.65 ft at 10:45PM Apr 17, 2024Observed: 7.65 ft at 11:00PM Apr 17, 2024Observed: 7.65 ft at 11:15PM Apr 17, 2024Observed: 7.63 ft at 11:30PM Apr 17, 2024Observed: 7.63 ft at 11:45PM Apr 17, 2024Observed: 7.63 ft at 12:00AM Apr 18, 2024Observed: 7.63 ft at 12:15AM Apr 18, 2024Observed: 7.64 ft at 12:30AM Apr 18, 2024Observed: 7.64 ft at 12:45AM Apr 18, 2024Observed: 7.63 ft at 1:00AM Apr 18, 2024Observed: 7.62 ft at 1:15AM Apr 18, 2024Observed: 7.63 ft at 1:30AM Apr 18, 2024Observed: 7.63 ft at 1:45AM Apr 18, 2024Observed: 7.63 ft at 2:00AM Apr 18, 2024Observed: 7.63 ft at 2:15AM Apr 18, 2024Observed: 7.62 ft at 2:30AM Apr 18, 2024Observed: 7.62 ft at 2:45AM Apr 18, 2024Observed: 7.62 ft at 3:00AM Apr 18, 2024Observed: 7.62 ft at 3:15AM Apr 18, 2024Observed: 7.62 ft at 3:30AM Apr 18, 2024Observed: 7.62 ft at 3:45AM Apr 18, 2024Observed: 7.62 ft at 4:00AM Apr 18, 2024Observed: 7.62 ft at 4:15AM Apr 18, 2024Observed: 7.61 ft at 4:30AM Apr 18, 2024Observed: 7.61 ft at 4:45AM Apr 18, 2024Observed: 7.61 ft at 5:00AM Apr 18, 2024Observed: 7.6 ft at 5:15AM Apr 18, 2024Observed: 7.61 ft at 5:30AM Apr 18, 2024Observed: 7.61 ft at 5:45AM Apr 18, 2024Observed: 7.61 ft at 6:00AM Apr 18, 2024Observed: 7.61 ft at 6:15AM Apr 18, 2024Observed: 7.61 ft at 6:30AM Apr 18, 2024Observed: 7.61 ft at 6:45AM Apr 18, 2024Observed: 7.6 ft at 7:00AM Apr 18, 2024Observed: 7.61 ft at 7:15AM Apr 18, 2024Observed: 7.61 ft at 7:30AM Apr 18, 2024Observed: 7.61 ft at 7:45AM Apr 18, 2024Observed: 7.62 ft at 8:00AM Apr 18, 2024Observed: 7.61 ft at 8:15AM Apr 18, 2024Observed: 7.62 ft at 8:30AM Apr 18, 2024Observed: 7.62 ft at 8:45AM Apr 18, 2024Observed: 7.62 ft at 9:00AM Apr 18, 2024Observed: 7.62 ft at 9:15AM Apr 18, 2024Observed: 7.61 ft at 9:30AM Apr 18, 2024Observed: 7.62 ft at 9:45AM Apr 18, 2024Observed: 7.61 ft at 10:00AM Apr 18, 2024Observed: 7.6 ft at 10:15AM Apr 18, 2024Observed: 7.6 ft at 10:30AM Apr 18, 2024Observed: 7.6 ft at 10:45AM Apr 18, 2024Observed: 7.6 ft at 11:00AM Apr 18, 2024Observed: 7.6 ft at 11:15AM Apr 18, 2024Observed: 7.6 ft at 11:30AM Apr 18, 2024Observed: 7.61 ft at 11:45AM Apr 18, 2024Observed: 7.6 ft at 12:00PM Apr 18, 2024Observed: 7.6 ft at 12:15PM Apr 18, 2024Observed: 7.6 ft at 12:30PM Apr 18, 2024Observed: 7.61 ft at 12:45PM Apr 18, 2024Observed: 7.6 ft at 1:00PM Apr 18, 2024Observed: 7.61 ft at 1:15PM Apr 18, 2024Observed: 7.6 ft at 1:30PM Apr 18, 2024Observed: 7.61 ft at 1:45PM Apr 18, 2024Observed: 7.61 ft at 2:00PM Apr 18, 2024Observed: 7.6 ft at 2:15PM Apr 18, 2024Observed: 7.6 ft at 2:30PM Apr 18, 2024Observed: 7.6 ft at 2:45PM Apr 18, 2024Observed: 7.6 ft at 3:00PM Apr 18, 2024Observed: 7.61 ft at 3:15PM Apr 18, 2024Observed: 7.6 ft at 3:30PM Apr 18, 2024Observed: 7.6 ft at 3:45PM Apr 18, 2024Observed: 7.6 ft at 4:00PM Apr 18, 2024Observed: 7.59 ft at 4:15PM Apr 18, 2024Observed: 7.6 ft at 4:30PM Apr 18, 2024Observed: 7.6 ft at 4:45PM Apr 18, 2024Observed: 7.6 ft at 5:00PM Apr 18, 2024Observed: 7.61 ft at 5:15PM Apr 18, 2024Observed: 7.6 ft at 5:30PM Apr 18, 2024Observed: 7.6 ft at 5:45PM Apr 18, 2024Observed: 7.6 ft at 6:00PM Apr 18, 2024Observed: 7.6 ft at 6:15PM Apr 18, 2024Observed: 7.6 ft at 6:30PM Apr 18, 2024Observed: 7.6 ft at 6:45PM Apr 18, 2024Observed: 7.61 ft at 7:00PM Apr 18, 2024Observed: 7.6 ft at 7:15PM Apr 18, 2024Observed: 7.6 ft at 7:30PM Apr 18, 2024Observed: 7.6 ft at 7:45PM Apr 18, 2024Observed: 7.59 ft at 8:00PM Apr 18, 2024Observed: 7.6 ft at 8:15PM Apr 18, 2024Observed: 7.58 ft at 8:30PM Apr 18, 2024Observed: 7.6 ft at 8:45PM Apr 18, 2024Observed: 7.59 ft at 9:00PM Apr 18, 2024Observed: 7.59 ft at 9:15PM Apr 18, 2024Observed: 7.58 ft at 9:30PM Apr 18, 2024Observed: 7.59 ft at 9:45PM Apr 18, 2024Observed: 7.58 ft at 10:00PM Apr 18, 2024Observed: 7.57 ft at 10:15PM Apr 18, 2024Observed: 7.57 ft at 10:30PM Apr 18, 2024Observed: 7.57 ft at 10:45PM Apr 18, 2024Observed: 7.57 ft at 11:00PM Apr 18, 2024Observed: 7.55 ft at 11:15PM Apr 18, 2024Observed: 7.56 ft at 11:30PM Apr 18, 2024Observed: 7.56 ft at 11:45PM Apr 18, 2024Observed: 7.55 ft at 12:00AM Apr 19, 2024Observed: 7.56 ft at 12:15AM Apr 19, 2024Observed: 7.55 ft at 12:30AM Apr 19, 2024Observed: 7.55 ft at 12:45AM Apr 19, 2024Observed: 7.54 ft at 1:00AM Apr 19, 2024Observed: 7.54 ft at 1:15AM Apr 19, 2024Observed: 7.54 ft at 1:30AM Apr 19, 2024Observed: 7.55 ft at 1:45AM Apr 19, 2024Observed: 7.54 ft at 2:00AM Apr 19, 2024Observed: 7.54 ft at 2:15AM Apr 19, 2024Observed: 7.54 ft at 2:30AM Apr 19, 2024Observed: 7.54 ft at 2:45AM Apr 19, 2024Observed: 7.54 ft at 3:00AM Apr 19, 2024Observed: 7.53 ft at 3:15AM Apr 19, 2024Observed: 7.53 ft at 3:30AM Apr 19, 2024Observed: 7.53 ft at 3:45AM Apr 19, 2024Observed: 7.54 ft at 4:00AM Apr 19, 2024Observed: 7.53 ft at 4:15AM Apr 19, 2024Observed: 7.54 ft at 4:30AM Apr 19, 2024Observed: 7.53 ft at 4:45AM Apr 19, 2024Observed: 7.54 ft at 5:00AM Apr 19, 2024Observed: 7.53 ft at 5:15AM Apr 19, 2024Observed: 7.54 ft at 5:30AM Apr 19, 2024Observed: 7.53 ft at 5:45AM Apr 19, 2024Observed: 7.53 ft at 6:00AM Apr 19, 2024Observed: 7.53 ft at 6:15AM Apr 19, 2024Observed: 7.53 ft at 6:30AM Apr 19, 2024Observed: 7.53 ft at 6:45AM Apr 19, 2024Observed: 7.54 ft at 7:00AM Apr 19, 2024Observed: 7.54 ft at 7:15AM Apr 19, 2024Observed: 7.53 ft at 7:30AM Apr 19, 2024Observed: 7.54 ft at 7:45AM Apr 19, 2024Observed: 7.53 ft at 8:00AM Apr 19, 2024Observed: 7.53 ft at 8:15AM Apr 19, 2024Observed: 7.53 ft at 8:30AM Apr 19, 2024Observed: 7.53 ft at 8:45AM Apr 19, 2024Observed: 7.53 ft at 9:00AM Apr 19, 2024Observed: 7.52 ft at 9:15AM Apr 19, 2024Observed: 7.52 ft at 9:30AM Apr 19, 2024Observed: 7.53 ft at 9:45AM Apr 19, 2024Observed: 7.54 ft at 10:00AM Apr 19, 2024Observed: 7.53 ft at 10:15AM Apr 19, 2024Observed: 7.53 ft at 10:30AM Apr 19, 2024Observed: 7.53 ft at 10:45AM Apr 19, 2024Observed: 7.53 ft at 11:00AM Apr 19, 2024Observed: 7.53 ft at 11:15AM Apr 19, 2024Observed: 7.52 ft at 11:30AM Apr 19, 2024Observed: 7.53 ft at 11:45AM Apr 19, 2024Observed: 7.53 ft at 12:00PM Apr 19, 2024Observed: 7.52 ft at 12:15PM Apr 19, 2024Observed: 7.52 ft at 12:30PM Apr 19, 2024Observed: 7.54 ft at 12:45PM Apr 19, 2024Observed: 7.52 ft at 1:00PM Apr 19, 2024Observed: 7.53 ft at 1:15PM Apr 19, 2024Observed: 7.53 ft at 1:30PM Apr 19, 2024Observed: 7.52 ft at 1:45PM Apr 19, 2024Observed: 7.52 ft at 2:00PM Apr 19, 2024Observed: 7.51 ft at 2:15PM Apr 19, 2024Observed: 7.52 ft at 2:30PM Apr 19, 2024Observed: 7.52 ft at 2:45PM Apr 19, 2024Highest Forecast: 7.5 ft 4:00PM Apr 19, 2024Highest Forecast: 7.5 ft 5:00PM Apr 19, 2024Highest Forecast: 7.5 ft 6:00PM Apr 19, 2024Highest Forecast: 7.5 ft 7:00PM Apr 19, 2024Highest Forecast: 7.5 ft 8:00PM Apr 19, 2024Highest Forecast: 7.5 ft 9:00PM Apr 19, 2024Highest Forecast: 7.5 ft 10:00PM Apr 19, 2024Highest Forecast: 7.5 ft 11:00PM Apr 19, 2024Highest Forecast: 7.5 ft 12:00AM Apr 20, 2024Highest Forecast: 7.5 ft 1:00AM Apr 20, 2024Highest Forecast: 7.5 ft 2:00AM Apr 20, 2024Highest Forecast: 7.5 ft 3:00AM Apr 20, 2024Highest Forecast: 7.5 ft 4:00AM Apr 20, 2024Highest Forecast: 7.5 ft 5:00AM Apr 20, 2024Highest Forecast: 7.5 ft 6:00AM Apr 20, 2024Forecast: 7.4 ft 7:00AM Apr 20, 2024Forecast: 7.4 ft 8:00AM Apr 20, 2024Forecast: 7.4 ft 9:00AM Apr 20, 2024Forecast: 7.4 ft 10:00AM Apr 20, 2024Forecast: 7.4 ft 11:00AM Apr 20, 2024Forecast: 7.4 ft 12:00PM Apr 20, 2024Forecast: 7.4 ft 1:00PM Apr 20, 2024Forecast: 7.4 ft 2:00PM Apr 20, 2024Forecast: 7.4 ft 3:00PM Apr 20, 2024Forecast: 7.4 ft 4:00PM Apr 20, 2024Forecast: 7.4 ft 5:00PM Apr 20, 2024Forecast: 7.4 ft 6:00PM Apr 20, 2024Forecast: 7.4 ft 7:00PM Apr 20, 2024Forecast: 7.4 ft 8:00PM Apr 20, 2024Forecast: 7.4 ft 9:00PM Apr 20, 2024Forecast: 7.4 ft 10:00PM Apr 20, 2024Forecast: 7.4 ft 11:00PM Apr 20, 2024Forecast: 7.4 ft 12:00AM Apr 21, 2024Forecast: 7.4 ft 1:00AM Apr 21, 2024Forecast: 7.4 ft 2:00AM Apr 21, 2024Forecast: 7.4 ft 3:00AM Apr 21, 2024Forecast: 7.4 ft 4:00AM Apr 21, 2024Forecast: 7.4 ft 5:00AM Apr 21, 2024Forecast: 7.4 ft 6:00AM Apr 21, 2024Forecast: 7.4 ft 7:00AM Apr 21, 2024Forecast: 7.4 ft 8:00AM Apr 21, 2024Forecast: 7.4 ft 9:00AM Apr 21, 2024Forecast: 7.4 ft 10:00AM Apr 21, 2024Forecast: 7.4 ft 11:00AM Apr 21, 2024Forecast: 7.4 ft 12:00PM Apr 21, 2024Forecast: 7.4 ft 1:00PM Apr 21, 2024Forecast: 7.4 ft 2:00PM Apr 21, 2024Forecast: 7.3 ft 3:00PM Apr 21, 2024Forecast: 7.3 ft 4:00PM Apr 21, 2024Forecast: 7.3 ft 5:00PM Apr 21, 2024Forecast: 7.3 ft 6:00PM Apr 21, 2024Forecast: 7.3 ft 7:00PM Apr 21, 2024Forecast: 7.3 ft 8:00PM Apr 21, 2024Forecast: 7.3 ft 9:00PM Apr 21, 2024Forecast: 7.3 ft 10:00PM Apr 21, 2024Forecast: 7.3 ft 11:00PM Apr 21, 2024Forecast: 7.3 ft 12:00AM Apr 22, 2024Forecast: 7.3 ft 1:00AM Apr 22, 2024Forecast: 7.3 ft 2:00AM Apr 22, 2024Forecast: 7.3 ft 3:00AM Apr 22, 2024Forecast: 7.3 ft 4:00AM Apr 22, 2024Forecast: 7.3 ft 5:00AM Apr 22, 2024Forecast: 7.3 ft 6:00AM Apr 22, 2024Forecast: 7.3 ft 7:00AM Apr 22, 2024Forecast: 7.3 ft 8:00AM Apr 22, 2024Forecast: 7.3 ft 9:00AM Apr 22, 2024Forecast: 7.3 ft 10:00AM Apr 22, 2024Forecast: 7.3 ft 11:00AM Apr 22, 2024Forecast: 7.3 ft 12:00PM Apr 22, 2024Forecast: 7.3 ft 1:00PM Apr 22, 2024Forecast: 7.3 ft 2:00PM Apr 22, 2024Forecast: 7.3 ft 3:00PM Apr 22, 2024Forecast: 7.3 ft 4:00PM Apr 22, 2024Forecast: 7.3 ft 5:00PM Apr 22, 2024Forecast: 7.3 ft 6:00PM Apr 22, 2024Forecast: 7.3 ft 7:00PM Apr 22, 2024Forecast: 7.3 ft 8:00PM Apr 22, 2024Forecast: 7.2 ft 9:00PM Apr 22, 2024Forecast: 7.2 ft 10:00PM Apr 22, 2024Forecast: 7.2 ft 11:00PM Apr 22, 2024Forecast: 7.2 ft 12:00AM Apr 23, 2024Forecast: 7.2 ft 1:00AM Apr 23, 2024Forecast: 7.2 ft 2:00AM Apr 23, 2024Forecast: 7.2 ft 3:00AM Apr 23, 2024Forecast: 7.2 ft 4:00AM Apr 23, 2024Forecast: 7.2 ft 5:00AM Apr 23, 2024Forecast: 7.2 ft 6:00AM Apr 23, 2024Forecast: 7.2 ft 7:00AM Apr 23, 2024Forecast: 7.2 ft 8:00AM Apr 23, 2024Forecast: 7.2 ft 9:00AM Apr 23, 2024Forecast: 7.2 ft 10:00AM Apr 23, 2024Forecast: 7.2 ft 11:00AM Apr 23, 2024Forecast: 7.2 ft 12:00PM Apr 23, 2024Forecast: 7.2 ft 1:00PM Apr 23, 2024Forecast: 7.2 ft 2:00PM Apr 23, 2024Forecast: 7.2 ft 3:00PM Apr 23, 2024Forecast: 7.2 ft 4:00PM Apr 23, 2024Forecast: 7.2 ft 5:00PM Apr 23, 2024Forecast: 7.2 ft 6:00PM Apr 23, 2024Forecast: 7.2 ft 7:00PM Apr 23, 2024Forecast: 7.2 ft 8:00PM Apr 23, 2024Forecast: 7.2 ft 9:00PM Apr 23, 2024Forecast: 7.2 ft 10:00PM Apr 23, 2024Forecast: 7.2 ft 11:00PM Apr 23, 2024Forecast: 7.2 ft 12:00AM Apr 24, 2024Forecast: 7.2 ft 1:00AM Apr 24, 2024Forecast: 7.2 ft 2:00AM Apr 24, 2024Forecast: 7.2 ft 3:00AM Apr 24, 2024Forecast: 7.2 ft 4:00AM Apr 24, 2024Forecast: 7.1 ft 5:00AM Apr 24, 2024USGS--Water Resources of the United StatesARCC1(plotting HGIRG) Graph Created (3:34PM Apr 19, 2024)ObservedForecast (issued 7:13AM Apr 19)Latest observed value: 7.52 ft at 2:45 PM PDT 19-Apr-2024. 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) 27.26 ft on 01/13/2024 (P)
(4) 25.46 ft on 01/01/1997
(5) 25.40 ft on 03/02/1972
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 27.26 ft on 01/13/2024 (P)
(2) 20.77 ft on 03/15/2023 (P)
(3) 22.70 ft on 12/30/2022 (P)
(4) 14.28 ft on 02/15/2021
(5) 14.10 ft on 01/26/2020
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
KML Image
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: 40.909850° N, Longitude: 124.060618° 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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