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Hydrograph River at a Glance Download
San Lorenzo River (CA) at Lomond Street Bridge Stage (ft)Observed: 0.34 ft at 2:39PM Oct 15, 2021Observed: 0.35 ft at 2:40PM Oct 15, 2021Observed: 0.51 ft at 2:53PM Oct 15, 2021Observed: 0.51 ft at 2:55PM Oct 15, 2021Observed: 0.51 ft at 3:09PM Oct 15, 2021Observed: 0.51 ft at 3:10PM Oct 15, 2021Observed: 0.51 ft at 3:15PM Oct 15, 2021Observed: 0.5 ft at 3:23PM Oct 15, 2021Observed: 0.5 ft at 3:25PM Oct 15, 2021Observed: 0.49 ft at 3:39PM Oct 15, 2021Observed: 0.49 ft at 3:40PM Oct 15, 2021Observed: 0.49 ft at 3:45PM Oct 15, 2021Observed: 0.5 ft at 3:53PM Oct 15, 2021Observed: 0.5 ft at 3:55PM Oct 15, 2021Observed: 0.5 ft at 4:09PM Oct 15, 2021Observed: 0.5 ft at 4:10PM Oct 15, 2021Observed: 0.5 ft at 4:23PM Oct 15, 2021Observed: 0.5 ft at 4:25PM Oct 15, 2021Observed: 0.5 ft at 4:39PM Oct 15, 2021Observed: 0.5 ft at 4:40PM Oct 15, 2021Observed: 0.5 ft at 4:53PM Oct 15, 2021Observed: 0.5 ft at 4:55PM Oct 15, 2021Observed: 0.5 ft at 5:09PM Oct 15, 2021Observed: 0.5 ft at 5:10PM Oct 15, 2021Observed: 0.5 ft at 5:15PM Oct 15, 2021Observed: 0.48 ft at 5:23PM Oct 15, 2021Observed: 0.49 ft at 5:25PM Oct 15, 2021Observed: 0.42 ft at 5:39PM Oct 15, 2021Observed: 0.43 ft at 5:40PM Oct 15, 2021Observed: 0.48 ft at 5:53PM Oct 15, 2021Observed: 0.48 ft at 5:55PM Oct 15, 2021Observed: 0.42 ft at 6:09PM Oct 15, 2021Observed: 0.43 ft at 6:10PM Oct 15, 2021Observed: 0.45 ft at 6:23PM Oct 15, 2021Observed: 0.45 ft at 6:25PM Oct 15, 2021Observed: 0.45 ft at 6:39PM Oct 15, 2021Observed: 0.45 ft at 6:40PM Oct 15, 2021Observed: 0.38 ft at 6:53PM Oct 15, 2021Observed: 0.38 ft at 6:55PM Oct 15, 2021Observed: 0.4 ft at 7:09PM Oct 15, 2021Observed: 0.41 ft at 7:10PM Oct 15, 2021Observed: 0.38 ft at 7:23PM Oct 15, 2021Observed: 0.38 ft at 7:25PM Oct 15, 2021Observed: 0.36 ft at 7:39PM Oct 15, 2021Observed: 0.36 ft at 7:40PM Oct 15, 2021Observed: 0.34 ft at 7:53PM Oct 15, 2021Observed: 0.35 ft at 7:55PM Oct 15, 2021Observed: 0.34 ft at 8:09PM Oct 15, 2021Observed: 0.35 ft at 8:10PM Oct 15, 2021Observed: 0.34 ft at 8:23PM Oct 15, 2021Observed: 0.35 ft at 8:35PM Oct 15, 2021Observed: 0.35 ft at 8:39PM Oct 15, 2021Observed: 0.35 ft at 8:45PM Oct 15, 2021Observed: 0.34 ft at 8:53PM Oct 15, 2021Observed: 0.35 ft at 8:55PM Oct 15, 2021Observed: 0.34 ft at 9:09PM Oct 15, 2021Observed: 0.35 ft at 9:15PM Oct 15, 2021Observed: 0.35 ft at 9:23PM Oct 15, 2021Observed: 0.35 ft at 9:25PM Oct 15, 2021Observed: 0.35 ft at 9:39PM Oct 15, 2021Observed: 0.35 ft at 9:45PM Oct 15, 2021Observed: 0.35 ft at 9:53PM Oct 15, 2021Observed: 0.35 ft at 9:55PM Oct 15, 2021Observed: 0.35 ft at 10:09PM Oct 15, 2021Observed: 0.35 ft at 10:10PM Oct 15, 2021Observed: 0.35 ft at 10:15PM Oct 15, 2021Observed: 0.34 ft at 10:23PM Oct 15, 2021Observed: 0.35 ft at 10:25PM Oct 15, 2021Observed: 0.33 ft at 10:39PM Oct 15, 2021Observed: 0.34 ft at 10:40PM Oct 15, 2021Observed: 0.34 ft at 10:45PM Oct 15, 2021Observed: 0.33 ft at 10:53PM Oct 15, 2021Observed: 0.34 ft at 10:55PM Oct 15, 2021Observed: 0.34 ft at 11:09PM Oct 15, 2021Observed: 0.35 ft at 11:10PM Oct 15, 2021Observed: 0.4 ft at 11:23PM Oct 15, 2021Observed: 0.41 ft at 11:25PM Oct 15, 2021Observed: 0.4 ft at 11:39PM Oct 15, 2021Observed: 0.41 ft at 11:40PM Oct 15, 2021Observed: 0.4 ft at 11:53PM Oct 15, 2021Observed: 0.4 ft at 11:55PM Oct 15, 2021Observed: 0.4 ft at 12:09AM Oct 16, 2021Observed: 0.4 ft at 12:10AM Oct 16, 2021Observed: 0.39 ft at 12:23AM Oct 16, 2021Observed: 0.39 ft at 12:25AM Oct 16, 2021Observed: 0.38 ft at 12:39AM Oct 16, 2021Observed: 0.39 ft at 12:40AM Oct 16, 2021Observed: 0.4 ft at 12:53AM Oct 16, 2021Observed: 0.4 ft at 12:55AM Oct 16, 2021Observed: 0.39 ft at 1:09AM Oct 16, 2021Observed: 0.39 ft at 1:10AM Oct 16, 2021Observed: 0.38 ft at 1:23AM Oct 16, 2021Observed: 0.38 ft at 1:25AM Oct 16, 2021Observed: 0.4 ft at 1:39AM Oct 16, 2021Observed: 0.41 ft at 1:40AM Oct 16, 2021Observed: 0.41 ft at 1:53AM Oct 16, 2021Observed: 0.41 ft at 1:55AM Oct 16, 2021Observed: 0.41 ft at 2:09AM Oct 16, 2021Observed: 0.41 ft at 2:10AM Oct 16, 2021Observed: 0.41 ft at 2:15AM Oct 16, 2021Observed: 0.42 ft at 2:23AM Oct 16, 2021Observed: 0.43 ft at 2:25AM Oct 16, 2021Observed: 0.42 ft at 2:39AM Oct 16, 2021Observed: 0.43 ft at 2:40AM Oct 16, 2021Observed: 0.41 ft at 2:53AM Oct 16, 2021Observed: 0.41 ft at 2:55AM Oct 16, 2021Observed: 0.37 ft at 3:09AM Oct 16, 2021Observed: 0.37 ft at 3:10AM Oct 16, 2021Observed: 0.38 ft at 3:23AM Oct 16, 2021Observed: 0.38 ft at 3:25AM Oct 16, 2021Observed: 0.37 ft at 3:39AM Oct 16, 2021Observed: 0.37 ft at 3:40AM Oct 16, 2021Observed: 0.37 ft at 3:45AM Oct 16, 2021Observed: 0.38 ft at 3:53AM Oct 16, 2021Observed: 0.38 ft at 3:55AM Oct 16, 2021Observed: 0.46 ft at 4:09AM Oct 16, 2021Observed: 0.47 ft at 4:10AM Oct 16, 2021Observed: 0.47 ft at 4:15AM Oct 16, 2021Observed: 0.47 ft at 4:23AM Oct 16, 2021Observed: 0.47 ft at 4:25AM Oct 16, 2021Observed: 0.48 ft at 4:39AM Oct 16, 2021Observed: 0.48 ft at 4:40AM Oct 16, 2021Observed: 0.48 ft at 4:53AM Oct 16, 2021Observed: 0.49 ft at 4:55AM Oct 16, 2021Observed: 0.48 ft at 5:09AM Oct 16, 2021Observed: 0.48 ft at 5:10AM Oct 16, 2021Observed: 0.47 ft at 5:23AM Oct 16, 2021Observed: 0.47 ft at 5:25AM Oct 16, 2021Observed: 0.46 ft at 5:39AM Oct 16, 2021Observed: 0.46 ft at 5:40AM Oct 16, 2021Observed: 0.46 ft at 5:53AM Oct 16, 2021Observed: 0.46 ft at 5:55AM Oct 16, 2021Observed: 0.46 ft at 6:00AM Oct 16, 2021Observed: 0.48 ft at 6:09AM Oct 16, 2021Observed: 0.49 ft at 6:10AM Oct 16, 2021Observed: 0.48 ft at 6:23AM Oct 16, 2021Observed: 0.49 ft at 6:25AM Oct 16, 2021Observed: 0.49 ft at 6:39AM Oct 16, 2021Observed: 0.49 ft at 6:40AM Oct 16, 2021Observed: 0.49 ft at 6:53AM Oct 16, 2021Observed: 0.49 ft at 6:55AM Oct 16, 2021Observed: 0.49 ft at 7:09AM Oct 16, 2021Observed: 0.49 ft at 7:10AM Oct 16, 2021Observed: 0.5 ft at 7:23AM Oct 16, 2021Observed: 0.5 ft at 7:25AM Oct 16, 2021Observed: 0.5 ft at 7:39AM Oct 16, 2021Observed: 0.5 ft at 7:40AM Oct 16, 2021Observed: 0.5 ft at 7:45AM Oct 16, 2021Observed: 0.49 ft at 7:53AM Oct 16, 2021Observed: 0.49 ft at 7:55AM Oct 16, 2021Observed: 0.47 ft at 8:09AM Oct 16, 2021Observed: 0.47 ft at 8:10AM Oct 16, 2021Observed: 0.47 ft at 8:15AM Oct 16, 2021Observed: 0.48 ft at 8:23AM Oct 16, 2021Observed: 0.49 ft at 8:25AM Oct 16, 2021Observed: 0.48 ft at 8:39AM Oct 16, 2021Observed: 0.49 ft at 8:40AM Oct 16, 2021Observed: 0.49 ft at 8:45AM Oct 16, 2021Observed: 0.49 ft at 8:53AM Oct 16, 2021Observed: 0.49 ft at 8:55AM Oct 16, 2021Observed: 0.5 ft at 9:09AM Oct 16, 2021Observed: 0.5 ft at 9:10AM Oct 16, 2021Observed: 0.5 ft at 9:15AM Oct 16, 2021Observed: 0.5 ft at 9:23AM Oct 16, 2021Observed: 0.5 ft at 9:25AM Oct 16, 2021Observed: 0.51 ft at 9:39AM Oct 16, 2021Observed: 0.51 ft at 9:40AM Oct 16, 2021Observed: 0.51 ft at 9:53AM Oct 16, 2021Observed: 0.51 ft at 9:55AM Oct 16, 2021Observed: 0.51 ft at 10:09AM Oct 16, 2021Observed: 0.51 ft at 10:10AM Oct 16, 2021Observed: 0.51 ft at 10:23AM Oct 16, 2021Observed: 0.51 ft at 10:25AM Oct 16, 2021Observed: 0.51 ft at 10:39AM Oct 16, 2021Observed: 0.51 ft at 10:40AM Oct 16, 2021Observed: 0.51 ft at 10:53AM Oct 16, 2021Observed: 0.51 ft at 10:55AM Oct 16, 2021Observed: 0.51 ft at 11:00AM Oct 16, 2021Observed: 0.51 ft at 11:09AM Oct 16, 2021Observed: 0.51 ft at 11:10AM Oct 16, 2021Observed: 0.51 ft at 11:15AM Oct 16, 2021Observed: 0.5 ft at 11:23AM Oct 16, 2021Observed: 0.5 ft at 11:25AM Oct 16, 2021Observed: 0.49 ft at 11:39AM Oct 16, 2021Observed: 0.5 ft at 11:40AM Oct 16, 2021Observed: 0.48 ft at 11:53AM Oct 16, 2021Observed: 0.49 ft at 11:55AM Oct 16, 2021Observed: 0.27 ft at 12:09PM Oct 16, 2021Observed: 0.27 ft at 12:10PM Oct 16, 2021Observed: 0.39 ft at 12:23PM Oct 16, 2021Observed: 0.39 ft at 12:25PM Oct 16, 2021Observed: 0.36 ft at 12:39PM Oct 16, 2021Observed: 0.36 ft at 12:40PM Oct 16, 2021Observed: 0.36 ft at 12:53PM Oct 16, 2021Observed: 0.37 ft at 12:55PM Oct 16, 2021Observed: 0.44 ft at 1:09PM Oct 16, 2021Observed: 0.44 ft at 1:10PM Oct 16, 2021Observed: 0.32 ft at 1:23PM Oct 16, 2021Observed: 0.32 ft at 1:25PM Oct 16, 2021Observed: 0.38 ft at 1:39PM Oct 16, 2021Observed: 0.38 ft at 1:40PM Oct 16, 2021Observed: 0.38 ft at 1:45PM Oct 16, 2021Observed: 0.33 ft at 1:53PM Oct 16, 2021Observed: 0.34 ft at 1:55PM Oct 16, 2021Observed: 0.44 ft at 2:09PM Oct 16, 2021Observed: 0.45 ft at 2:10PM Oct 16, 2021Observed: 0.45 ft at 2:15PM Oct 16, 2021Observed: 0.48 ft at 2:23PM Oct 16, 2021Observed: 0.49 ft at 2:25PM Oct 16, 2021Observed: 0.48 ft at 2:39PM Oct 16, 2021Observed: 0.49 ft at 2:40PM Oct 16, 2021Observed: 0.49 ft at 2:45PM Oct 16, 2021Observed: 0.49 ft at 2:53PM Oct 16, 2021Observed: 0.49 ft at 2:55PM Oct 16, 2021Observed: 0.48 ft at 3:09PM Oct 16, 2021Observed: 0.49 ft at 3:10PM Oct 16, 2021Observed: 0.48 ft at 3:23PM Oct 16, 2021Observed: 0.49 ft at 3:25PM Oct 16, 2021Observed: 0.48 ft at 3:39PM Oct 16, 2021Observed: 0.49 ft at 3:40PM Oct 16, 2021Observed: 0.48 ft at 3:53PM Oct 16, 2021Observed: 0.48 ft at 3:55PM Oct 16, 2021Observed: 0.47 ft at 4:09PM Oct 16, 2021Observed: 0.47 ft at 4:10PM Oct 16, 2021Observed: 0.48 ft at 4:23PM Oct 16, 2021Observed: 0.48 ft at 4:25PM Oct 16, 2021Observed: 0.47 ft at 4:39PM Oct 16, 2021Observed: 0.47 ft at 4:40PM Oct 16, 2021Observed: 0.48 ft at 4:53PM Oct 16, 2021Observed: 0.48 ft at 4:55PM Oct 16, 2021Observed: 0.48 ft at 5:00PM Oct 16, 2021Observed: 0.48 ft at 5:09PM Oct 16, 2021Observed: 0.49 ft at 5:10PM Oct 16, 2021Observed: 0.49 ft at 5:23PM Oct 16, 2021Observed: 0.49 ft at 5:25PM Oct 16, 2021Observed: 0.48 ft at 5:39PM Oct 16, 2021Observed: 0.49 ft at 5:40PM Oct 16, 2021Observed: 0.48 ft at 5:53PM Oct 16, 2021Observed: 0.49 ft at 5:55PM Oct 16, 2021Observed: 0.46 ft at 6:09PM Oct 16, 2021Observed: 0.46 ft at 6:10PM Oct 16, 2021Observed: 0.38 ft at 6:23PM Oct 16, 2021Observed: 0.38 ft at 6:25PM Oct 16, 2021Observed: 0.46 ft at 6:39PM Oct 16, 2021Observed: 0.46 ft at 6:40PM Oct 16, 2021Observed: 0.46 ft at 6:45PM Oct 16, 2021Observed: 0.42 ft at 6:53PM Oct 16, 2021Observed: 0.43 ft at 6:55PM Oct 16, 2021Observed: 0.46 ft at 7:09PM Oct 16, 2021Observed: 0.46 ft at 7:10PM Oct 16, 2021Observed: 0.46 ft at 7:23PM Oct 16, 2021Observed: 0.46 ft at 7:25PM Oct 16, 2021Observed: 0.44 ft at 7:39PM Oct 16, 2021Observed: 0.44 ft at 7:40PM Oct 16, 2021Observed: 0.44 ft at 7:53PM Oct 16, 2021Observed: 0.44 ft at 7:55PM Oct 16, 2021Observed: 0.44 ft at 8:09PM Oct 16, 2021Observed: 0.44 ft at 8:10PM Oct 16, 2021Observed: 0.44 ft at 8:15PM Oct 16, 2021Observed: 0.45 ft at 8:23PM Oct 16, 2021Observed: 0.45 ft at 8:25PM Oct 16, 2021Observed: 0.48 ft at 8:39PM Oct 16, 2021Observed: 0.48 ft at 8:40PM Oct 16, 2021Observed: 0.48 ft at 8:45PM Oct 16, 2021Observed: 0.47 ft at 8:53PM Oct 16, 2021Observed: 0.47 ft at 8:55PM Oct 16, 2021Observed: 0.49 ft at 9:09PM Oct 16, 2021Observed: 0.49 ft at 9:10PM Oct 16, 2021Observed: 0.49 ft at 9:23PM Oct 16, 2021Observed: 0.49 ft at 9:25PM Oct 16, 2021Observed: 0.49 ft at 9:39PM Oct 16, 2021Observed: 0.49 ft at 9:40PM Oct 16, 2021Observed: 0.47 ft at 9:53PM Oct 16, 2021Observed: 0.47 ft at 9:55PM Oct 16, 2021Observed: 0.49 ft at 10:09PM Oct 16, 2021Observed: 0.49 ft at 10:10PM Oct 16, 2021Observed: 0.5 ft at 10:23PM Oct 16, 2021Observed: 0.5 ft at 10:25PM Oct 16, 2021Observed: 0.5 ft at 10:39PM Oct 16, 2021Observed: 0.5 ft at 10:40PM Oct 16, 2021Observed: 0.48 ft at 10:53PM Oct 16, 2021Observed: 0.49 ft at 10:55PM Oct 16, 2021Observed: 0.44 ft at 11:09PM Oct 16, 2021Observed: 0.44 ft at 11:10PM Oct 16, 2021Observed: 0.49 ft at 11:23PM Oct 16, 2021Observed: 0.49 ft at 11:25PM Oct 16, 2021Observed: 0.48 ft at 11:39PM Oct 16, 2021Observed: 0.48 ft at 11:40PM Oct 16, 2021Observed: 0.42 ft at 11:53PM Oct 16, 2021Observed: 0.43 ft at 11:55PM Oct 16, 2021Observed: 0.4 ft at 12:09AM Oct 17, 2021Observed: 0.41 ft at 12:10AM Oct 17, 2021Observed: 0.41 ft at 12:15AM Oct 17, 2021Observed: 0.4 ft at 12:23AM Oct 17, 2021Observed: 0.41 ft at 12:25AM Oct 17, 2021Observed: 0.4 ft at 12:39AM Oct 17, 2021Observed: 0.41 ft at 12:40AM Oct 17, 2021Observed: 0.42 ft at 12:53AM Oct 17, 2021Observed: 0.42 ft at 12:55AM Oct 17, 2021Observed: 0.44 ft at 1:09AM Oct 17, 2021Observed: 0.44 ft at 1:10AM Oct 17, 2021Observed: 0.44 ft at 1:15AM Oct 17, 2021Observed: 0.34 ft at 1:23AM Oct 17, 2021Observed: 0.34 ft at 1:25AM Oct 17, 2021Observed: 0.4 ft at 1:39AM Oct 17, 2021Observed: 0.4 ft at 1:40AM Oct 17, 2021Observed: 0.4 ft at 1:45AM Oct 17, 2021Observed: 0.42 ft at 1:53AM Oct 17, 2021Observed: 0.43 ft at 1:55AM Oct 17, 2021Observed: 0.42 ft at 2:09AM Oct 17, 2021Observed: 0.42 ft at 2:10AM Oct 17, 2021Observed: 0.41 ft at 2:23AM Oct 17, 2021Observed: 0.41 ft at 2:25AM Oct 17, 2021Observed: 0.43 ft at 2:39AM Oct 17, 2021Observed: 0.43 ft at 2:40AM Oct 17, 2021Observed: 0.44 ft at 2:53AM Oct 17, 2021Observed: 0.44 ft at 2:55AM Oct 17, 2021Observed: 0.44 ft at 3:00AM Oct 17, 2021Observed: 0.42 ft at 3:09AM Oct 17, 2021Observed: 0.43 ft at 3:10AM Oct 17, 2021Observed: 0.43 ft at 3:15AM Oct 17, 2021Observed: 0.44 ft at 3:23AM Oct 17, 2021Observed: 0.44 ft at 3:25AM Oct 17, 2021Observed: 0.41 ft at 3:39AM Oct 17, 2021Observed: 0.41 ft at 3:40AM Oct 17, 2021Observed: 0.41 ft at 3:53AM Oct 17, 2021Observed: 0.41 ft at 3:55AM Oct 17, 2021Observed: 0.42 ft at 4:09AM Oct 17, 2021Observed: 0.43 ft at 4:10AM Oct 17, 2021Observed: 0.42 ft at 4:23AM Oct 17, 2021Observed: 0.42 ft at 4:25AM Oct 17, 2021Observed: 0.42 ft at 4:39AM Oct 17, 2021Observed: 0.43 ft at 4:40AM Oct 17, 2021Observed: 0.42 ft at 4:53AM Oct 17, 2021Observed: 0.43 ft at 4:55AM Oct 17, 2021Observed: 0.42 ft at 5:09AM Oct 17, 2021Observed: 0.43 ft at 5:10AM Oct 17, 2021Observed: 0.45 ft at 5:23AM Oct 17, 2021Observed: 0.45 ft at 5:25AM Oct 17, 2021Observed: 0.45 ft at 5:39AM Oct 17, 2021Observed: 0.46 ft at 5:40AM Oct 17, 2021Observed: 0.46 ft at 5:45AM Oct 17, 2021Observed: 0.46 ft at 5:53AM Oct 17, 2021Observed: 0.47 ft at 5:55AM Oct 17, 2021Observed: 0.46 ft at 6:09AM Oct 17, 2021Observed: 0.47 ft at 6:10AM Oct 17, 2021Observed: 0.47 ft at 6:15AM Oct 17, 2021Observed: 0.46 ft at 6:23AM Oct 17, 2021Observed: 0.47 ft at 6:25AM Oct 17, 2021Observed: 0.46 ft at 6:39AM Oct 17, 2021Observed: 0.46 ft at 6:40AM Oct 17, 2021Observed: 0.46 ft at 6:45AM Oct 17, 2021Observed: 0.45 ft at 6:53AM Oct 17, 2021Observed: 0.45 ft at 6:55AM Oct 17, 2021Observed: 0.45 ft at 7:09AM Oct 17, 2021Observed: 0.45 ft at 7:10AM Oct 17, 2021Observed: 0.51 ft at 7:23AM Oct 17, 2021Observed: 0.51 ft at 7:25AM Oct 17, 2021Observed: 0.51 ft at 7:39AM Oct 17, 2021Observed: 0.52 ft at 7:40AM Oct 17, 2021Observed: 0.51 ft at 7:53AM Oct 17, 2021Observed: 0.52 ft at 7:55AM Oct 17, 2021Observed: 0.52 ft at 8:09AM Oct 17, 2021Observed: 0.52 ft at 8:10AM Oct 17, 2021Observed: 0.52 ft at 8:15AM Oct 17, 2021Observed: 0.51 ft at 8:23AM Oct 17, 2021Observed: 0.52 ft at 8:25AM Oct 17, 2021Observed: 0.52 ft at 8:30AM Oct 17, 2021Observed: 0.51 ft at 8:39AM Oct 17, 2021Observed: 0.52 ft at 8:40AM Oct 17, 2021Observed: 0.51 ft at 8:53AM Oct 17, 2021Observed: 0.52 ft at 8:55AM Oct 17, 2021Observed: 0.5 ft at 9:09AM Oct 17, 2021Observed: 0.51 ft at 9:10AM Oct 17, 2021Observed: 0.5 ft at 9:23AM Oct 17, 2021Observed: 0.5 ft at 9:25AM Oct 17, 2021Observed: 0.51 ft at 9:39AM Oct 17, 2021Observed: 0.52 ft at 9:40AM Oct 17, 2021Observed: 0.52 ft at 9:53AM Oct 17, 2021Highest Observation: 0.53 ft at 9:55AM Oct 17, 2021Observed: 0.52 ft at 10:09AM Oct 17, 2021Observed: 0.52 ft at 10:10AM Oct 17, 2021Observed: 0.52 ft at 10:23AM Oct 17, 2021Observed: 0.52 ft at 10:25AM Oct 17, 2021Observed: 0.51 ft at 10:39AM Oct 17, 2021Observed: 0.52 ft at 10:40AM Oct 17, 2021Observed: 0.51 ft at 10:53AM Oct 17, 2021Observed: 0.51 ft at 10:55AM Oct 17, 2021Observed: 0.5 ft at 11:09AM Oct 17, 2021Observed: 0.51 ft at 11:10AM Oct 17, 2021Observed: 0.51 ft at 11:15AM Oct 17, 2021Observed: 0.49 ft at 11:23AM Oct 17, 2021Observed: 0.49 ft at 11:25AM Oct 17, 2021Observed: 0.49 ft at 11:39AM Oct 17, 2021Observed: 0.49 ft at 11:40AM Oct 17, 2021Observed: 0.49 ft at 11:45AM Oct 17, 2021Observed: 0.48 ft at 11:53AM Oct 17, 2021Observed: 0.49 ft at 11:55AM Oct 17, 2021Observed: 0.46 ft at 12:09PM Oct 17, 2021Observed: 0.47 ft at 12:10PM Oct 17, 2021Observed: 0.36 ft at 12:23PM Oct 17, 2021Observed: 0.36 ft at 12:25PM Oct 17, 2021Observed: 0.42 ft at 12:39PM Oct 17, 2021Observed: 0.43 ft at 12:40PM Oct 17, 2021Observed: 0.36 ft at 12:53PM Oct 17, 2021Observed: 0.37 ft at 12:55PM Oct 17, 2021Observed: 0.32 ft at 1:09PM Oct 17, 2021Observed: 0.32 ft at 1:10PM Oct 17, 2021Observed: 0.32 ft at 1:15PM Oct 17, 2021Observed: 0.37 ft at 1:23PM Oct 17, 2021Observed: 0.37 ft at 1:25PM Oct 17, 2021Observed: 0.38 ft at 1:53PM Oct 17, 2021Observed: 0.38 ft at 2:05PM Oct 17, 2021Observed: 0.38 ft at 2:09PM Oct 17, 2021Observed: 0.39 ft at 2:20PM Oct 17, 2021Observed: 0.36 ft at 2:23PM Oct 17, 2021Observed: 0.37 ft at 2:30PM Oct 17, 2021Observed: 0.4 ft at 2:39PM Oct 17, 2021Observed: 0.4 ft at 2:45PM Oct 17, 2021Observed: 0.4 ft at 2:53PM Oct 17, 2021Observed: 0.4 ft at 3:00PM Oct 17, 2021Observed: 0.38 ft at 3:09PM Oct 17, 2021Observed: 0.38 ft at 3:15PM Oct 17, 2021Observed: 0.42 ft at 3:39PM Oct 17, 2021Observed: 0.43 ft at 3:50PM Oct 17, 2021Observed: 0.37 ft at 3:53PM Oct 17, 2021Observed: 0.37 ft at 4:00PM Oct 17, 2021Observed: 0.36 ft at 4:09PM Oct 17, 2021Observed: 0.36 ft at 4:10PM Oct 17, 2021Observed: 0.36 ft at 4:23PM Oct 17, 2021Observed: 0.36 ft at 4:25PM Oct 17, 2021Observed: 0.34 ft at 4:39PM Oct 17, 2021Observed: 0.35 ft at 4:45PM Oct 17, 2021Observed: 0.34 ft at 4:53PM Oct 17, 2021Observed: 0.35 ft at 4:55PM Oct 17, 2021Observed: 0.32 ft at 5:09PM Oct 17, 2021Observed: 0.32 ft at 5:10PM Oct 17, 2021Observed: 0.32 ft at 5:15PM Oct 17, 2021Observed: 0.31 ft at 5:23PM Oct 17, 2021Observed: 0.31 ft at 5:25PM Oct 17, 2021Observed: 0.31 ft at 5:39PM Oct 17, 2021Observed: 0.31 ft at 5:40PM Oct 17, 2021Observed: 0.29 ft at 5:53PM Oct 17, 2021Observed: 0.29 ft at 5:55PM Oct 17, 2021Observed: 0.26 ft at 6:09PM Oct 17, 2021Observed: 0.27 ft at 6:10PM Oct 17, 2021Observed: 0.28 ft at 6:23PM Oct 17, 2021Observed: 0.29 ft at 6:25PM Oct 17, 2021Observed: 0.49 ft at 6:31PM Oct 17, 2021Observed: 0.28 ft at 6:35PM Oct 17, 2021Observed: 0.28 ft at 6:39PM Oct 17, 2021Observed: 0.28 ft at 6:40PM Oct 17, 2021Observed: 0.49 ft at 6:45PM Oct 17, 2021Observed: 0.49 ft at 6:50PM Oct 17, 2021Observed: 0.48 ft at 6:53PM Oct 17, 2021Observed: 0.49 ft at 6:55PM Oct 17, 2021Observed: 0.49 ft at 7:09PM Oct 17, 2021Observed: 0.49 ft at 7:10PM Oct 17, 2021Observed: 0.48 ft at 7:23PM Oct 17, 2021Observed: 0.48 ft at 7:25PM Oct 17, 2021Observed: 0.44 ft at 7:39PM Oct 17, 2021Observed: 0.44 ft at 7:40PM Oct 17, 2021Observed: 0.43 ft at 7:53PM Oct 17, 2021Observed: 0.43 ft at 7:55PM Oct 17, 2021Observed: 0.42 ft at 8:09PM Oct 17, 2021Observed: 0.43 ft at 8:10PM Oct 17, 2021Observed: 0.44 ft at 8:23PM Oct 17, 2021Observed: 0.44 ft at 8:25PM Oct 17, 2021Observed: 0.44 ft at 8:39PM Oct 17, 2021Observed: 0.44 ft at 8:40PM Oct 17, 2021Observed: 0.44 ft at 8:53PM Oct 17, 2021Observed: 0.44 ft at 8:55PM Oct 17, 2021Observed: 0.43 ft at 9:09PM Oct 17, 2021Observed: 0.43 ft at 9:10PM Oct 17, 2021Observed: 0.42 ft at 9:23PM Oct 17, 2021Observed: 0.43 ft at 9:25PM Oct 17, 2021Observed: 0.36 ft at 9:39PM Oct 17, 2021Observed: 0.36 ft at 9:40PM Oct 17, 2021Observed: 0.34 ft at 9:53PM Oct 17, 2021Observed: 0.34 ft at 9:55PM Oct 17, 2021Observed: 0.34 ft at 10:09PM Oct 17, 2021Observed: 0.35 ft at 10:10PM Oct 17, 2021Observed: 0.35 ft at 10:15PM Oct 17, 2021Observed: 0.36 ft at 10:23PM Oct 17, 2021Observed: 0.36 ft at 10:25PM Oct 17, 2021Observed: 0.34 ft at 10:39PM Oct 17, 2021Observed: 0.35 ft at 10:40PM Oct 17, 2021Observed: 0.38 ft at 10:53PM Oct 17, 2021Observed: 0.38 ft at 10:55PM Oct 17, 2021Observed: 0.42 ft at 11:09PM Oct 17, 2021Observed: 0.43 ft at 11:10PM Oct 17, 2021Observed: 0.43 ft at 11:15PM Oct 17, 2021Observed: 0.42 ft at 11:23PM Oct 17, 2021Observed: 0.42 ft at 11:25PM Oct 17, 2021Observed: 0.41 ft at 11:39PM Oct 17, 2021Observed: 0.41 ft at 11:40PM Oct 17, 2021Observed: 0.41 ft at 11:45PM Oct 17, 2021Observed: 0.4 ft at 11:53PM Oct 17, 2021Observed: 0.41 ft at 11:55PM Oct 17, 2021Observed: 0.4 ft at 12:09AM Oct 18, 2021Observed: 0.41 ft at 12:10AM Oct 18, 2021Observed: 0.41 ft at 12:15AM Oct 18, 2021Observed: 0.38 ft at 12:23AM Oct 18, 2021Observed: 0.38 ft at 12:25AM Oct 18, 2021Observed: 0.31 ft at 12:39AM Oct 18, 2021Observed: 0.31 ft at 12:40AM Oct 18, 2021Observed: 0.4 ft at 12:53AM Oct 18, 2021Observed: 0.4 ft at 12:55AM Oct 18, 2021Observed: 0.41 ft at 1:09AM Oct 18, 2021Observed: 0.41 ft at 1:10AM Oct 18, 2021Observed: 0.4 ft at 1:23AM Oct 18, 2021Observed: 0.41 ft at 1:25AM Oct 18, 2021Observed: 0.4 ft at 1:39AM Oct 18, 2021Observed: 0.41 ft at 1:40AM Oct 18, 2021Observed: 0.4 ft at 1:53AM Oct 18, 2021Observed: 0.4 ft at 1:55AM Oct 18, 2021Observed: 0.4 ft at 2:00AM Oct 18, 2021Observed: 0.4 ft at 2:09AM Oct 18, 2021Observed: 0.4 ft at 2:10AM Oct 18, 2021Observed: 0.4 ft at 2:23AM Oct 18, 2021Observed: 0.4 ft at 2:25AM Oct 18, 2021Observed: 0.4 ft at 2:39AM Oct 18, 2021Observed: 0.4 ft at 2:40AM Oct 18, 2021Observed: 0.4 ft at 2:53AM Oct 18, 2021Observed: 0.4 ft at 2:55AM Oct 18, 2021Observed: 0.4 ft at 3:09AM Oct 18, 2021Observed: 0.4 ft at 3:10AM Oct 18, 2021Observed: 0.4 ft at 3:23AM Oct 18, 2021Observed: 0.4 ft at 3:25AM Oct 18, 2021Observed: 0.4 ft at 3:39AM Oct 18, 2021Observed: 0.4 ft at 3:40AM Oct 18, 2021Observed: 0.4 ft at 3:45AM Oct 18, 2021Observed: 0.4 ft at 3:53AM Oct 18, 2021Observed: 0.4 ft at 3:55AM Oct 18, 2021Observed: 0.4 ft at 4:09AM Oct 18, 2021Observed: 0.41 ft at 4:10AM Oct 18, 2021Observed: 0.4 ft at 4:23AM Oct 18, 2021Observed: 0.41 ft at 4:25AM Oct 18, 2021Observed: 0.4 ft at 4:39AM Oct 18, 2021Observed: 0.41 ft at 4:40AM Oct 18, 2021Observed: 0.4 ft at 4:53AM Oct 18, 2021Observed: 0.4 ft at 4:55AM Oct 18, 2021Observed: 0.38 ft at 5:09AM Oct 18, 2021Observed: 0.39 ft at 5:10AM Oct 18, 2021Observed: 0.39 ft at 5:15AM Oct 18, 2021Observed: 0.38 ft at 5:23AM Oct 18, 2021Observed: 0.39 ft at 5:25AM Oct 18, 2021Observed: 0.38 ft at 5:39AM Oct 18, 2021Observed: 0.39 ft at 5:40AM Oct 18, 2021Observed: 0.39 ft at 5:45AM Oct 18, 2021Observed: 0.38 ft at 5:53AM Oct 18, 2021Observed: 0.38 ft at 5:55AM Oct 18, 2021Observed: 0.38 ft at 6:09AM Oct 18, 2021Observed: 0.39 ft at 6:10AM Oct 18, 2021Observed: 0.38 ft at 6:23AM Oct 18, 2021Observed: 0.38 ft at 6:25AM Oct 18, 2021Observed: 0.38 ft at 6:39AM Oct 18, 2021Observed: 0.38 ft at 6:40AM Oct 18, 2021Observed: 0.38 ft at 6:53AM Oct 18, 2021Observed: 0.39 ft at 6:55AM Oct 18, 2021Observed: 0.38 ft at 7:09AM Oct 18, 2021Observed: 0.38 ft at 7:10AM Oct 18, 2021Observed: 0.38 ft at 7:23AM Oct 18, 2021Observed: 0.38 ft at 7:25AM Oct 18, 2021Observed: 0.38 ft at 7:39AM Oct 18, 2021Observed: 0.38 ft at 7:40AM Oct 18, 2021Observed: 0.38 ft at 7:53AM Oct 18, 2021Observed: 0.38 ft at 7:55AM Oct 18, 2021Observed: 0.38 ft at 8:09AM Oct 18, 2021Observed: 0.38 ft at 8:10AM Oct 18, 2021Observed: 0.38 ft at 8:23AM Oct 18, 2021Observed: 0.38 ft at 8:25AM Oct 18, 2021Observed: 0.38 ft at 8:39AM Oct 18, 2021Observed: 0.38 ft at 8:40AM Oct 18, 2021Observed: 0.38 ft at 8:53AM Oct 18, 2021Observed: 0.38 ft at 8:55AM Oct 18, 2021Observed: 0.38 ft at 9:09AM Oct 18, 2021Observed: 0.38 ft at 9:10AM Oct 18, 2021Observed: 0.38 ft at 9:15AM Oct 18, 2021Observed: 0.38 ft at 9:23AM Oct 18, 2021Observed: 0.38 ft at 9:25AM Oct 18, 2021Observed: 0.38 ft at 9:39AM Oct 18, 2021Observed: 0.38 ft at 9:40AM Oct 18, 2021Observed: 0.38 ft at 9:53AM Oct 18, 2021Observed: 0.38 ft at 9:55AM Oct 18, 2021Observed: 0.38 ft at 10:09AM Oct 18, 2021Observed: 0.39 ft at 10:10AM Oct 18, 2021Observed: 0.38 ft at 10:23AM Oct 18, 2021Observed: 0.38 ft at 10:25AM Oct 18, 2021Observed: 0.38 ft at 10:39AM Oct 18, 2021Observed: 0.39 ft at 10:40AM Oct 18, 2021Observed: 0.39 ft at 10:45AM Oct 18, 2021Observed: 0.38 ft at 10:53AM Oct 18, 2021Observed: 0.39 ft at 10:55AM Oct 18, 2021Observed: 0.38 ft at 11:09AM Oct 18, 2021Observed: 0.38 ft at 11:10AM Oct 18, 2021Observed: 0.38 ft at 11:15AM Oct 18, 2021Observed: 0.38 ft at 11:23AM Oct 18, 2021Observed: 0.38 ft at 11:25AM Oct 18, 2021Observed: 0.38 ft at 11:39AM Oct 18, 2021Observed: 0.38 ft at 11:40AM Oct 18, 2021Observed: 0.38 ft at 11:53AM Oct 18, 2021Observed: 0.38 ft at 11:55AM Oct 18, 2021Observed: 0.38 ft at 12:09PM Oct 18, 2021Observed: 0.38 ft at 12:10PM Oct 18, 2021Observed: 0.38 ft at 12:23PM Oct 18, 2021Observed: 0.38 ft at 12:25PM Oct 18, 2021Observed: 0.38 ft at 12:39PM Oct 18, 2021Observed: 0.38 ft at 12:40PM Oct 18, 2021Observed: 0.38 ft at 12:53PM Oct 18, 2021Observed: 0.38 ft at 12:55PM Oct 18, 2021Observed: 0.38 ft at 1:09PM Oct 18, 2021Observed: 0.38 ft at 1:10PM Oct 18, 2021Observed: 0.38 ft at 1:23PM Oct 18, 2021Observed: 0.38 ft at 1:25PM Oct 18, 2021Observed: 0.36 ft at 1:39PM Oct 18, 2021Observed: 0.37 ft at 1:40PM Oct 18, 2021Observed: 0.36 ft at 1:53PM Oct 18, 2021Observed: 0.36 ft at 1:55PM Oct 18, 2021Observed: 0.22 ft at 2:09PM Oct 18, 2021Observed: 0.22 ft at 2:10PM Oct 18, 2021IWNC1(plotting HGIRR) Graph Created (2:30PM Oct 18, 2021)ObservedLatest observed value: 0.22 ft at 2:10 PM PDT 18-Oct-2021. Flood Stage is 24 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the San Lorenzo River (CA) at Lomond Street Bridge. During times of high water, forecast crest information can be found in the text products.
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Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 26
Flood Stage: 24
Action Stage: 21
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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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
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28 Major Flooding. Major flooding of homes and businesses in downtown Boulder Creek between Railroad Avenue and the San Lorenzo River and riverfront properties both up- and downstream of the town center. Highway 9 is not expected to flood at these levels, but could be damaged and/or blocked by slides and other hazards.
26 Moderate Flooding. Increased inundation of downtown Boulder Creek between Railroad Avenue and the San Lorenzo River, and of riverfront properties along Irwin Way, Camp Joy Road, and Lorenzo Avenue.
24 Minor Flooding. Lomond Street/Irwin Way begins to flood. As flood water rise, inundation may expand westward into E Lomond Street, Middleton Ave, and Junction Ave. Riverfront homes along Irwin Way, Camp Joy Road, and Lorenzo Avenue may be flooded. NWS will issue a Flash Flood Warning, if not yet already issued.
21 Monitor Stage. Water reaches bridge chord. Backwatering is possible. Flood wave travel time from Boulder Creek to the Big Trees gage in Felton, near Felton Grove, is 30 to 145 minutes. NWS may issue a Flash Flood Watch, if not yet already issued.
About This Location Collapse

Latitude: 37.125833° N, Longitude: 122.118889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 24 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 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  
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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
San Francisco Bay Area Weather Forecast Office
21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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Page last modified: 2-Nov-2020 7:27 PM
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