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Hydrograph River at a Glance Download
Sacramento-San Joaquin Delta at Antioch Stage (ft)Flow (kcfs)Observed: 6.05 ft at 9:30AM Jan 28, 2023Observed: 5.98 ft at 9:45AM Jan 28, 2023Observed: 5.87 ft at 10:00AM Jan 28, 2023Observed: 5.72 ft at 10:15AM Jan 28, 2023Observed: 5.56 ft at 10:30AM Jan 28, 2023Observed: 5.38 ft at 10:45AM Jan 28, 2023Observed: 5.21 ft at 11:00AM Jan 28, 2023Observed: 5.04 ft at 11:15AM Jan 28, 2023Observed: 4.91 ft at 11:30AM Jan 28, 2023Observed: 4.76 ft at 11:45AM Jan 28, 2023Observed: 4.61 ft at 12:00PM Jan 28, 2023Observed: 4.47 ft at 12:15PM Jan 28, 2023Observed: 4.34 ft at 12:30PM Jan 28, 2023Observed: 4.2 ft at 12:45PM Jan 28, 2023Observed: 4.05 ft at 1:00PM Jan 28, 2023Observed: 3.94 ft at 1:15PM Jan 28, 2023Observed: 3.81 ft at 1:30PM Jan 28, 2023Observed: 3.71 ft at 1:45PM Jan 28, 2023Observed: 3.59 ft at 2:00PM Jan 28, 2023Observed: 3.46 ft at 2:15PM Jan 28, 2023Observed: 3.36 ft at 2:30PM Jan 28, 2023Observed: 3.29 ft at 2:45PM Jan 28, 2023Observed: 3.18 ft at 3:00PM Jan 28, 2023Observed: 3.12 ft at 3:15PM Jan 28, 2023Observed: 3.05 ft at 3:30PM Jan 28, 2023Observed: 3 ft at 3:45PM Jan 28, 2023Observed: 2.99 ft at 4:00PM Jan 28, 2023Observed: 2.99 ft at 4:15PM Jan 28, 2023Observed: 3.03 ft at 4:30PM Jan 28, 2023Observed: 3.06 ft at 4:45PM Jan 28, 2023Observed: 3.13 ft at 5:00PM Jan 28, 2023Observed: 3.25 ft at 5:15PM Jan 28, 2023Observed: 3.38 ft at 5:30PM Jan 28, 2023Observed: 3.53 ft at 5:45PM Jan 28, 2023Observed: 3.68 ft at 6:00PM Jan 28, 2023Observed: 3.85 ft at 6:15PM Jan 28, 2023Observed: 4.01 ft at 6:30PM Jan 28, 2023Observed: 4.16 ft at 6:45PM Jan 28, 2023Observed: 4.27 ft at 7:00PM Jan 28, 2023Observed: 4.37 ft at 7:15PM Jan 28, 2023Observed: 4.44 ft at 7:30PM Jan 28, 2023Observed: 4.5 ft at 7:45PM Jan 28, 2023Observed: 4.55 ft at 8:00PM Jan 28, 2023Observed: 4.59 ft at 8:15PM Jan 28, 2023Observed: 4.62 ft at 8:30PM Jan 28, 2023Observed: 4.65 ft at 8:45PM Jan 28, 2023Observed: 4.65 ft at 9:00PM Jan 28, 2023Observed: 4.65 ft at 9:15PM Jan 28, 2023Observed: 4.65 ft at 9:30PM Jan 28, 2023Observed: 4.62 ft at 9:45PM Jan 28, 2023Observed: 4.58 ft at 10:00PM Jan 28, 2023Observed: 4.54 ft at 10:15PM Jan 28, 2023Observed: 4.5 ft at 10:30PM Jan 28, 2023Observed: 4.44 ft at 10:45PM Jan 28, 2023Observed: 4.39 ft at 11:00PM Jan 28, 2023Observed: 4.33 ft at 11:15PM Jan 28, 2023Observed: 4.27 ft at 11:30PM Jan 28, 2023Observed: 4.21 ft at 11:45PM Jan 28, 2023Observed: 4.14 ft at 12:00AM Jan 29, 2023Observed: 4.09 ft at 12:15AM Jan 29, 2023Observed: 4.02 ft at 12:30AM Jan 29, 2023Observed: 3.97 ft at 12:45AM Jan 29, 2023Observed: 3.91 ft at 1:00AM Jan 29, 2023Observed: 3.85 ft at 1:15AM Jan 29, 2023Observed: 3.82 ft at 1:30AM Jan 29, 2023Observed: 3.77 ft at 1:45AM Jan 29, 2023Observed: 3.74 ft at 2:00AM Jan 29, 2023Observed: 3.72 ft at 2:15AM Jan 29, 2023Observed: 3.71 ft at 2:30AM Jan 29, 2023Observed: 3.73 ft at 2:45AM Jan 29, 2023Observed: 3.75 ft at 3:00AM Jan 29, 2023Observed: 3.81 ft at 3:15AM Jan 29, 2023Observed: 3.89 ft at 3:30AM Jan 29, 2023Observed: 3.98 ft at 3:45AM Jan 29, 2023Observed: 4.09 ft at 4:00AM Jan 29, 2023Observed: 4.22 ft at 4:15AM Jan 29, 2023Observed: 4.37 ft at 4:30AM Jan 29, 2023Observed: 4.53 ft at 4:45AM Jan 29, 2023Observed: 4.66 ft at 5:00AM Jan 29, 2023Observed: 4.81 ft at 5:15AM Jan 29, 2023Observed: 4.95 ft at 5:30AM Jan 29, 2023Observed: 5.08 ft at 5:45AM Jan 29, 2023Observed: 5.21 ft at 6:00AM Jan 29, 2023Observed: 5.34 ft at 6:15AM Jan 29, 2023Observed: 5.45 ft at 6:30AM Jan 29, 2023Observed: 5.57 ft at 6:45AM Jan 29, 2023Observed: 5.68 ft at 7:00AM Jan 29, 2023Observed: 5.79 ft at 7:15AM Jan 29, 2023Observed: 5.89 ft at 7:30AM Jan 29, 2023Observed: 5.98 ft at 7:45AM Jan 29, 2023Observed: 6.08 ft at 8:00AM Jan 29, 2023Observed: 6.15 ft at 8:15AM Jan 29, 2023Observed: 6.23 ft at 8:30AM Jan 29, 2023Observed: 6.29 ft at 8:45AM Jan 29, 2023Observed: 6.36 ft at 9:00AM Jan 29, 2023Observed: 6.22 ft at 9:15AM Jan 29, 2023Observed: 6.39 ft at 9:30AM Jan 29, 2023Highest Observation: 6.4 ft at 9:45AM Jan 29, 2023Observed: 6.36 ft at 10:00AM Jan 29, 2023Observed: 6.3 ft at 10:15AM Jan 29, 2023Observed: 6.23 ft at 10:30AM Jan 29, 2023Observed: 6.13 ft at 10:45AM Jan 29, 2023Observed: 6.02 ft at 11:00AM Jan 29, 2023Observed: 5.87 ft at 11:15AM Jan 29, 2023Observed: 5.72 ft at 11:30AM Jan 29, 2023Observed: 5.54 ft at 11:45AM Jan 29, 2023Observed: 5.38 ft at 12:00PM Jan 29, 2023Observed: 5.22 ft at 12:15PM Jan 29, 2023Observed: 5.06 ft at 12:30PM Jan 29, 2023Observed: 4.89 ft at 12:45PM Jan 29, 2023Observed: 4.75 ft at 1:00PM Jan 29, 2023Observed: 4.6 ft at 1:15PM Jan 29, 2023Observed: 4.46 ft at 1:30PM Jan 29, 2023Observed: 4.31 ft at 1:45PM Jan 29, 2023Observed: 4.12 ft at 2:00PM Jan 29, 2023Observed: 3.99 ft at 2:15PM Jan 29, 2023Observed: 3.85 ft at 2:30PM Jan 29, 2023Observed: 3.69 ft at 2:45PM Jan 29, 2023Observed: 3.55 ft at 3:00PM Jan 29, 2023Observed: 3.44 ft at 3:15PM Jan 29, 2023Observed: 3.31 ft at 3:30PM Jan 29, 2023Observed: 3.19 ft at 3:45PM Jan 29, 2023Observed: 3.09 ft at 4:00PM Jan 29, 2023Observed: 2.98 ft at 4:15PM Jan 29, 2023Observed: 2.87 ft at 4:30PM Jan 29, 2023Observed: 2.92 ft at 4:45PM Jan 29, 2023Observed: 2.82 ft at 5:00PM Jan 29, 2023Observed: 2.76 ft at 5:15PM Jan 29, 2023Observed: 2.73 ft at 5:30PM Jan 29, 2023Observed: 2.73 ft at 5:45PM Jan 29, 2023Observed: 2.74 ft at 6:00PM Jan 29, 2023Observed: 2.78 ft at 6:15PM Jan 29, 2023Observed: 2.84 ft at 6:30PM Jan 29, 2023Observed: 2.92 ft at 6:45PM Jan 29, 2023Observed: 3.03 ft at 7:00PM Jan 29, 2023Observed: 3.15 ft at 7:15PM Jan 29, 2023Observed: 3.31 ft at 7:30PM Jan 29, 2023Observed: 3.47 ft at 7:45PM Jan 29, 2023Observed: 3.62 ft at 8:00PM Jan 29, 2023Observed: 3.78 ft at 8:15PM Jan 29, 2023Observed: 3.9 ft at 8:30PM Jan 29, 2023Observed: 4.03 ft at 8:45PM Jan 29, 2023Observed: 4.16 ft at 9:00PM Jan 29, 2023Observed: 4.22 ft at 9:15PM Jan 29, 2023Observed: 4.28 ft at 9:30PM Jan 29, 2023Observed: 4.32 ft at 9:45PM Jan 29, 2023Observed: 4.35 ft at 10:00PM Jan 29, 2023Observed: 4.38 ft at 10:15PM Jan 29, 2023Observed: 4.41 ft at 10:30PM Jan 29, 2023Observed: 4.43 ft at 10:45PM Jan 29, 2023Observed: 4.45 ft at 11:00PM Jan 29, 2023Observed: 4.48 ft at 11:15PM Jan 29, 2023Observed: 4.51 ft at 11:30PM Jan 29, 2023Observed: 4.52 ft at 11:45PM Jan 29, 2023Observed: 4.5 ft at 12:00AM Jan 30, 2023Observed: 4.46 ft at 12:15AM Jan 30, 2023Observed: 4.4 ft at 12:30AM Jan 30, 2023Observed: 4.37 ft at 12:45AM Jan 30, 2023Observed: 4.33 ft at 1:00AM Jan 30, 2023Observed: 4.3 ft at 1:15AM Jan 30, 2023Observed: 4.25 ft at 1:30AM Jan 30, 2023Observed: 4.23 ft at 1:45AM Jan 30, 2023Observed: 4.17 ft at 2:00AM Jan 30, 2023Observed: 4.12 ft at 2:15AM Jan 30, 2023Observed: 4.09 ft at 2:30AM Jan 30, 2023Observed: 4.03 ft at 2:45AM Jan 30, 2023Observed: 4.02 ft at 3:00AM Jan 30, 2023Observed: 4.01 ft at 3:15AM Jan 30, 2023Observed: 4.02 ft at 3:30AM Jan 30, 2023Observed: 4.04 ft at 3:45AM Jan 30, 2023Observed: 4.06 ft at 4:00AM Jan 30, 2023Observed: 4.12 ft at 4:15AM Jan 30, 2023Observed: 4.2 ft at 4:30AM Jan 30, 2023Observed: 4.27 ft at 4:45AM Jan 30, 2023Observed: 4.37 ft at 5:00AM Jan 30, 2023Observed: 4.44 ft at 5:15AM Jan 30, 2023Observed: 4.54 ft at 5:30AM Jan 30, 2023Observed: 4.65 ft at 5:45AM Jan 30, 2023Observed: 4.76 ft at 6:00AM Jan 30, 2023Observed: 4.86 ft at 6:15AM Jan 30, 2023Observed: 4.97 ft at 6:30AM Jan 30, 2023Observed: 5.08 ft at 6:45AM Jan 30, 2023Observed: 5.19 ft at 7:00AM Jan 30, 2023Observed: 5.29 ft at 7:15AM Jan 30, 2023Observed: 5.39 ft at 7:30AM Jan 30, 2023Observed: 5.48 ft at 7:45AM Jan 30, 2023Observed: 5.58 ft at 8:00AM Jan 30, 2023Observed: 5.67 ft at 8:15AM Jan 30, 2023Observed: 5.75 ft at 8:30AM Jan 30, 2023Observed: 5.83 ft at 8:45AM Jan 30, 2023Observed: 5.89 ft at 9:00AM Jan 30, 2023Observed: 5.94 ft at 9:15AM Jan 30, 2023Observed: 6.02 ft at 9:30AM Jan 30, 2023Observed: 6.06 ft at 9:45AM Jan 30, 2023Observed: 6.08 ft at 10:00AM Jan 30, 2023Observed: 6.1 ft at 10:15AM Jan 30, 2023Observed: 6.11 ft at 10:30AM Jan 30, 2023Observed: 6.09 ft at 10:45AM Jan 30, 2023Observed: 6.06 ft at 11:00AM Jan 30, 2023Observed: 5.93 ft at 11:30AM Jan 30, 2023Observed: 5.81 ft at 11:45AM Jan 30, 2023Observed: 5.67 ft at 12:00PM Jan 30, 2023Observed: 5.53 ft at 12:15PM Jan 30, 2023Observed: 5.38 ft at 12:30PM Jan 30, 2023Observed: 5.22 ft at 12:45PM Jan 30, 2023Observed: 5.04 ft at 1:00PM Jan 30, 2023Observed: 4.89 ft at 1:15PM Jan 30, 2023Observed: 4.72 ft at 1:30PM Jan 30, 2023Observed: 4.54 ft at 1:45PM Jan 30, 2023Observed: 4.4 ft at 2:00PM Jan 30, 2023Observed: 4.25 ft at 2:15PM Jan 30, 2023Observed: 4.09 ft at 2:30PM Jan 30, 2023Observed: 3.91 ft at 2:45PM Jan 30, 2023Observed: 3.75 ft at 3:00PM Jan 30, 2023Observed: 3.59 ft at 3:15PM Jan 30, 2023Observed: 3.43 ft at 3:30PM Jan 30, 2023Observed: 3.27 ft at 3:45PM Jan 30, 2023Observed: 3.11 ft at 4:00PM Jan 30, 2023Observed: 2.98 ft at 4:15PM Jan 30, 2023Observed: 2.85 ft at 4:30PM Jan 30, 2023Observed: 2.72 ft at 4:45PM Jan 30, 2023Observed: 2.16 ft at 5:00PM Jan 30, 2023Observed: 2.5 ft at 5:15PM Jan 30, 2023Observed: 2.44 ft at 5:30PM Jan 30, 2023Observed: 2.32 ft at 5:45PM Jan 30, 2023Observed: 2.27 ft at 6:00PM Jan 30, 2023Observed: 2.21 ft at 6:15PM Jan 30, 2023Observed: 2.18 ft at 6:30PM Jan 30, 2023Observed: 2.19 ft at 6:45PM Jan 30, 2023Observed: 2.22 ft at 7:00PM Jan 30, 2023Observed: 2.28 ft at 7:15PM Jan 30, 2023Observed: 2.35 ft at 7:30PM Jan 30, 2023Observed: 2.48 ft at 7:45PM Jan 30, 2023Observed: 2.62 ft at 8:00PM Jan 30, 2023Observed: 2.8 ft at 8:15PM Jan 30, 2023Observed: 3 ft at 8:30PM Jan 30, 2023Observed: 3.2 ft at 8:45PM Jan 30, 2023Observed: 3.39 ft at 9:00PM Jan 30, 2023Observed: 3.57 ft at 9:15PM Jan 30, 2023Observed: 3.71 ft at 9:30PM Jan 30, 2023Observed: 3.85 ft at 9:45PM Jan 30, 2023Observed: 3.96 ft at 10:00PM Jan 30, 2023Observed: 4.06 ft at 10:15PM Jan 30, 2023Observed: 4.14 ft at 10:30PM Jan 30, 2023Observed: 4.22 ft at 10:45PM Jan 30, 2023Observed: 4.27 ft at 11:00PM Jan 30, 2023Observed: 4.34 ft at 11:15PM Jan 30, 2023Observed: 4.39 ft at 11:30PM Jan 30, 2023Observed: 4.43 ft at 11:45PM Jan 30, 2023Observed: 4.48 ft at 12:00AM Jan 31, 2023Observed: 4.51 ft at 12:15AM Jan 31, 2023Observed: 4.55 ft at 12:30AM Jan 31, 2023Observed: 4.56 ft at 12:45AM Jan 31, 2023Observed: 4.55 ft at 1:00AM Jan 31, 2023Observed: 4.55 ft at 1:15AM Jan 31, 2023Observed: 4.55 ft at 1:30AM Jan 31, 2023Observed: 4.55 ft at 1:45AM Jan 31, 2023Observed: 4.52 ft at 2:00AM Jan 31, 2023Observed: 4.5 ft at 2:15AM Jan 31, 2023Observed: 4.46 ft at 2:30AM Jan 31, 2023Observed: 4.44 ft at 2:45AM Jan 31, 2023Observed: 4.41 ft at 3:00AM Jan 31, 2023Observed: 4.37 ft at 3:15AM Jan 31, 2023Observed: 4.34 ft at 3:30AM Jan 31, 2023Observed: 4.3 ft at 3:45AM Jan 31, 2023Observed: 4.27 ft at 4:00AM Jan 31, 2023Observed: 4.25 ft at 4:15AM Jan 31, 2023Observed: 4.24 ft at 4:30AM Jan 31, 2023Observed: 4.24 ft at 4:45AM Jan 31, 2023Observed: 4.26 ft at 5:00AM Jan 31, 2023Observed: 4.29 ft at 5:15AM Jan 31, 2023Observed: 4.35 ft at 5:30AM Jan 31, 2023Observed: 4.39 ft at 5:45AM Jan 31, 2023Observed: 4.47 ft at 6:00AM Jan 31, 2023Observed: 4.55 ft at 6:15AM Jan 31, 2023Observed: 4.64 ft at 6:30AM Jan 31, 2023Observed: 4.75 ft at 6:45AM Jan 31, 2023Observed: 4.87 ft at 7:00AM Jan 31, 2023Observed: 4.99 ft at 7:15AM Jan 31, 2023Observed: 5.1 ft at 7:30AM Jan 31, 2023Observed: 5.21 ft at 7:45AM Jan 31, 2023Observed: 5.31 ft at 8:00AM Jan 31, 2023Observed: 5.41 ft at 8:15AM Jan 31, 2023Observed: 5.5 ft at 8:30AM Jan 31, 2023Observed: 5.59 ft at 8:45AM Jan 31, 2023Observed: 5.68 ft at 9:00AM Jan 31, 2023Observed: 5.75 ft at 9:15AM Jan 31, 2023Observed: 5.82 ft at 9:30AM Jan 31, 2023Observed: 5.9 ft at 9:45AM Jan 31, 2023Observed: 5.96 ft at 10:00AM Jan 31, 2023Observed: 5.98 ft at 10:15AM Jan 31, 2023Observed: 6.05 ft at 10:30AM Jan 31, 2023Observed: 6.07 ft at 10:45AM Jan 31, 2023Observed: 6.1 ft at 11:00AM Jan 31, 2023Observed: 6.09 ft at 11:15AM Jan 31, 2023Observed: 6.07 ft at 11:30AM Jan 31, 2023Observed: 6.03 ft at 11:45AM Jan 31, 2023Observed: 5.96 ft at 12:00PM Jan 31, 2023Observed: 5.87 ft at 12:15PM Jan 31, 2023Observed: 5.75 ft at 12:30PM Jan 31, 2023Observed: 5.61 ft at 12:45PM Jan 31, 2023Observed: 5.46 ft at 1:00PM Jan 31, 2023Observed: 5.3 ft at 1:15PM Jan 31, 2023Observed: 5.13 ft at 1:30PM Jan 31, 2023Observed: 4.97 ft at 1:45PM Jan 31, 2023Observed: 4.8 ft at 2:00PM Jan 31, 2023Observed: 4.64 ft at 2:15PM Jan 31, 2023Observed: 4.46 ft at 2:30PM Jan 31, 2023Observed: 4.3 ft at 2:45PM Jan 31, 2023Observed: 4.12 ft at 3:00PM Jan 31, 2023Observed: 3.77 ft at 3:30PM Jan 31, 2023Observed: 3.59 ft at 3:45PM Jan 31, 2023Observed: 3.44 ft at 4:00PM Jan 31, 2023Observed: 3.24 ft at 4:15PM Jan 31, 2023Observed: 3.12 ft at 4:30PM Jan 31, 2023Observed: 2.95 ft at 4:45PM Jan 31, 2023Observed: 2.79 ft at 5:00PM Jan 31, 2023Observed: 2.65 ft at 5:15PM Jan 31, 2023Observed: 2.52 ft at 5:30PM Jan 31, 2023Observed: 2.37 ft at 5:45PM Jan 31, 2023Observed: 2.26 ft at 6:00PM Jan 31, 2023Observed: 2.16 ft at 6:15PM Jan 31, 2023Observed: 2.05 ft at 6:30PM Jan 31, 2023Observed: 1.97 ft at 6:45PM Jan 31, 2023Observed: 1.93 ft at 7:00PM Jan 31, 2023Observed: 1.88 ft at 7:15PM Jan 31, 2023Observed: 1.89 ft at 7:30PM Jan 31, 2023Observed: 1.91 ft at 7:45PM Jan 31, 2023Observed: 1.96 ft at 8:00PM Jan 31, 2023Observed: 2.04 ft at 8:15PM Jan 31, 2023Observed: 2.17 ft at 8:30PM Jan 31, 2023Observed: 2.34 ft at 8:45PM Jan 31, 2023Observed: 2.53 ft at 9:00PM Jan 31, 2023Observed: 2.75 ft at 9:15PM Jan 31, 2023Observed: 2.99 ft at 9:30PM Jan 31, 2023Observed: 3.22 ft at 9:45PM Jan 31, 2023Observed: 3.42 ft at 10:00PM Jan 31, 2023Observed: 3.61 ft at 10:15PM Jan 31, 2023Observed: 3.76 ft at 10:30PM Jan 31, 2023Observed: 3.9 ft at 10:45PM Jan 31, 2023Observed: 4.02 ft at 11:00PM Jan 31, 2023Observed: 4.12 ft at 11:15PM Jan 31, 2023Observed: 4.22 ft at 11:30PM Jan 31, 2023Observed: 4.31 ft at 11:45PM Jan 31, 2023Observed: 4.4 ft at 12:00AM Feb 01, 2023Observed: 4.48 ft at 12:15AM Feb 01, 2023Observed: 4.55 ft at 12:30AM Feb 01, 2023Observed: 4.61 ft at 12:45AM Feb 01, 2023Observed: 4.66 ft at 1:00AM Feb 01, 2023Observed: 4.7 ft at 1:15AM Feb 01, 2023Observed: 4.73 ft at 1:30AM Feb 01, 2023Observed: 4.76 ft at 1:45AM Feb 01, 2023Observed: 4.77 ft at 2:00AM Feb 01, 2023Observed: 4.77 ft at 2:15AM Feb 01, 2023Observed: 4.76 ft at 2:30AM Feb 01, 2023Observed: 4.74 ft at 2:45AM Feb 01, 2023Observed: 4.71 ft at 3:00AM Feb 01, 2023Observed: 4.67 ft at 3:15AM Feb 01, 2023Observed: 4.63 ft at 3:30AM Feb 01, 2023Observed: 4.57 ft at 3:45AM Feb 01, 2023Observed: 4.51 ft at 4:00AM Feb 01, 2023Observed: 4.46 ft at 4:15AM Feb 01, 2023Observed: 4.4 ft at 4:30AM Feb 01, 2023Observed: 4.34 ft at 4:45AM Feb 01, 2023Observed: 4.31 ft at 5:00AM Feb 01, 2023Observed: 4.27 ft at 5:15AM Feb 01, 2023Observed: 4.25 ft at 5:30AM Feb 01, 2023Observed: 4.24 ft at 5:45AM Feb 01, 2023Observed: 4.25 ft at 6:00AM Feb 01, 2023Observed: 4.27 ft at 6:15AM Feb 01, 2023Observed: 4.31 ft at 6:30AM Feb 01, 2023Observed: 4.37 ft at 6:45AM Feb 01, 2023Observed: 4.44 ft at 7:00AM Feb 01, 2023Observed: 4.53 ft at 7:15AM Feb 01, 2023Observed: 4.62 ft at 7:30AM Feb 01, 2023Observed: 4.7 ft at 7:45AM Feb 01, 2023Observed: 4.83 ft at 8:00AM Feb 01, 2023Observed: 5 ft at 8:15AM Feb 01, 2023Observed: 5.12 ft at 8:30AM Feb 01, 2023Observed: 5.21 ft at 8:45AM Feb 01, 2023Observed: 5.32 ft at 9:00AM Feb 01, 2023Observed: 5.42 ft at 9:15AM Feb 01, 2023Observed: 5.51 ft at 9:30AM Feb 01, 2023Observed: 5.59 ft at 9:45AM Feb 01, 2023Observed: 5.67 ft at 10:00AM Feb 01, 2023Observed: 5.75 ft at 10:15AM Feb 01, 2023Observed: 5.82 ft at 10:30AM Feb 01, 2023Observed: 5.89 ft at 10:45AM Feb 01, 2023Observed: 5.94 ft at 11:00AM Feb 01, 2023Observed: 6 ft at 11:15AM Feb 01, 2023Observed: 6.03 ft at 11:30AM Feb 01, 2023Observed: 6.03 ft at 11:45AM Feb 01, 2023Observed: 6.04 ft at 12:00PM Feb 01, 2023Observed: 6.01 ft at 12:15PM Feb 01, 2023Observed: 5.98 ft at 12:30PM Feb 01, 2023Observed: 5.92 ft at 12:45PM Feb 01, 2023Observed: 5.82 ft at 1:00PM Feb 01, 2023Observed: 5.71 ft at 1:15PM Feb 01, 2023Observed: 5.57 ft at 1:30PM Feb 01, 2023Observed: 5.39 ft at 1:45PM Feb 01, 2023Observed: 5.23 ft at 2:00PM Feb 01, 2023Observed: 5.05 ft at 2:15PM Feb 01, 2023Observed: 4.86 ft at 2:30PM Feb 01, 2023Observed: 4.69 ft at 2:45PM Feb 01, 2023Observed: 4.5 ft at 3:00PM Feb 01, 2023Observed: 4.31 ft at 3:15PM Feb 01, 2023Observed: 4.18 ft at 3:30PM Feb 01, 2023Observed: 3.97 ft at 3:45PM Feb 01, 2023Observed: 3.79 ft at 4:00PM Feb 01, 2023Observed: 3.61 ft at 4:15PM Feb 01, 2023Observed: 3.45 ft at 4:30PM Feb 01, 2023Observed: 3.28 ft at 4:45PM Feb 01, 2023Observed: 3.11 ft at 5:00PM Feb 01, 2023Observed: 2.93 ft at 5:15PM Feb 01, 2023Observed: 2.77 ft at 5:30PM Feb 01, 2023Observed: 2.63 ft at 5:45PM Feb 01, 2023Observed: 2.47 ft at 6:00PM Feb 01, 2023Observed: 2.32 ft at 6:15PM Feb 01, 2023Observed: 2.18 ft at 6:30PM Feb 01, 2023Observed: 2.08 ft at 6:45PM Feb 01, 2023Observed: 1.96 ft at 7:00PM Feb 01, 2023Observed: 1.85 ft at 7:15PM Feb 01, 2023Observed: 1.76 ft at 7:30PM Feb 01, 2023Observed: 1.7 ft at 7:45PM Feb 01, 2023Observed: 1.66 ft at 8:00PM Feb 01, 2023Observed: 1.67 ft at 8:15PM Feb 01, 2023Observed: 1.69 ft at 8:30PM Feb 01, 2023Observed: 1.75 ft at 8:45PM Feb 01, 2023Observed: 1.87 ft at 9:00PM Feb 01, 2023Observed: 2.03 ft at 9:15PM Feb 01, 2023Observed: 2.23 ft at 9:30PM Feb 01, 2023Observed: 2.47 ft at 9:45PM Feb 01, 2023Observed: 2.74 ft at 10:00PM Feb 01, 2023Observed: 3 ft at 10:15PM Feb 01, 2023Observed: 3.24 ft at 10:30PM Feb 01, 2023Observed: 3.47 ft at 10:45PM Feb 01, 2023Observed: 3.66 ft at 11:00PM Feb 01, 2023Observed: 3.83 ft at 11:15PM Feb 01, 2023Observed: 3.98 ft at 11:30PM Feb 01, 2023Observed: 4.1 ft at 11:45PM Feb 01, 2023Observed: 4.21 ft at 12:00AM Feb 02, 2023Observed: 4.32 ft at 12:15AM Feb 02, 2023Observed: 4.42 ft at 12:30AM Feb 02, 2023Observed: 4.51 ft at 12:45AM Feb 02, 2023Observed: 4.59 ft at 1:00AM Feb 02, 2023Observed: 4.66 ft at 1:15AM Feb 02, 2023Observed: 4.73 ft at 1:30AM Feb 02, 2023Observed: 4.78 ft at 1:45AM Feb 02, 2023Observed: 4.82 ft at 2:00AM Feb 02, 2023Observed: 4.84 ft at 2:15AM Feb 02, 2023Observed: 4.85 ft at 2:30AM Feb 02, 2023Observed: 4.86 ft at 2:45AM Feb 02, 2023Observed: 4.85 ft at 3:00AM Feb 02, 2023Observed: 4.82 ft at 3:15AM Feb 02, 2023Observed: 4.78 ft at 3:30AM Feb 02, 2023Observed: 4.73 ft at 3:45AM Feb 02, 2023Observed: 4.67 ft at 4:00AM Feb 02, 2023Observed: 4.6 ft at 4:15AM Feb 02, 2023Observed: 4.53 ft at 4:30AM Feb 02, 2023Observed: 4.45 ft at 4:45AM Feb 02, 2023Observed: 4.36 ft at 5:00AM Feb 02, 2023Observed: 4.29 ft at 5:15AM Feb 02, 2023Observed: 4.24 ft at 5:30AM Feb 02, 2023Observed: 4.18 ft at 5:45AM Feb 02, 2023Observed: 4.14 ft at 6:00AM Feb 02, 2023Observed: 4.12 ft at 6:15AM Feb 02, 2023Observed: 4.1 ft at 6:30AM Feb 02, 2023Observed: 4.09 ft at 6:45AM Feb 02, 2023Observed: 4.12 ft at 7:00AM Feb 02, 2023Observed: 4.16 ft at 7:15AM Feb 02, 2023Observed: 4.22 ft at 7:30AM Feb 02, 2023Observed: 4.3 ft at 7:45AM Feb 02, 2023Observed: 4.4 ft at 8:00AM Feb 02, 2023Observed: 4.51 ft at 8:15AM Feb 02, 2023Observed: 4.64 ft at 8:30AM Feb 02, 2023Forecast: 6.1 ft 12:45PM Feb 02, 2023Forecast: 1.6 ft 8:45PM Feb 02, 2023Forecast: 5.1 ft 3:30AM Feb 03, 2023Forecast: 4.2 ft 7:30AM Feb 03, 2023Forecast: 6.1 ft 1:30PM Feb 03, 2023Forecast: 1.6 ft 9:15PM Feb 03, 2023Forecast: 5 ft 4:00AM Feb 04, 2023Forecast: 4.2 ft 8:15AM Feb 04, 2023Highest Forecast: 6.2 ft 2:15PM Feb 04, 2023ATIC1(plotting HGIRG) Graph Created (9:23AM Feb 2, 2023)ObservedForecast (issued 6:08AM Feb 2)Latest observed value: 4.64 ft at 8:30 AM PST 2-Feb-2023.
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Tabular Data (UTC)
Tabular Data (PST)
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Datum: NAVD88
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NOTE: Forecasts for the Sacramento-San Joaquin Delta at Antioch are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at Mallard Island
Flood Categories (in feet)
Not Available

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:13
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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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Latitude: 38.017778° N, Longitude: 121.803056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 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.
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