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Hydrograph River at a Glance Download
San Lorenzo Creek (Alameda) above Hayward Stage (ft)Flow (kcfs)Highest Observation: 2.16 ft at 1:00PM May 31, 2021Observed: 2.15 ft at 1:15PM May 31, 2021Highest Observation: 2.16 ft at 1:30PM May 31, 2021Observed: 2.15 ft at 1:45PM May 31, 2021Observed: 2.15 ft at 2:00PM May 31, 2021Observed: 2.15 ft at 2:15PM May 31, 2021Observed: 2.15 ft at 2:30PM May 31, 2021Observed: 2.15 ft at 2:45PM May 31, 2021Observed: 2.15 ft at 3:00PM May 31, 2021Observed: 2.15 ft at 3:15PM May 31, 2021Observed: 2.15 ft at 3:30PM May 31, 2021Observed: 2.15 ft at 3:45PM May 31, 2021Observed: 2.15 ft at 4:00PM May 31, 2021Observed: 2.15 ft at 4:15PM May 31, 2021Observed: 2.15 ft at 4:30PM May 31, 2021Observed: 2.15 ft at 4:45PM May 31, 2021Observed: 2.15 ft at 5:00PM May 31, 2021Observed: 2.15 ft at 5:15PM May 31, 2021Observed: 2.15 ft at 5:30PM May 31, 2021Observed: 2.15 ft at 5:45PM May 31, 2021Observed: 2.15 ft at 6:00PM May 31, 2021Observed: 2.15 ft at 6:15PM May 31, 2021Observed: 2.15 ft at 6:30PM May 31, 2021Observed: 2.15 ft at 6:45PM May 31, 2021Highest Observation: 2.16 ft at 7:00PM May 31, 2021Highest Observation: 2.16 ft at 7:15PM May 31, 2021Observed: 2.15 ft at 7:30PM May 31, 2021Highest Observation: 2.16 ft at 7:45PM May 31, 2021Observed: 2.15 ft at 8:00PM May 31, 2021Observed: 2.15 ft at 8:15PM May 31, 2021Observed: 2.15 ft at 8:30PM May 31, 2021Highest Observation: 2.16 ft at 8:45PM May 31, 2021Highest Observation: 2.16 ft at 9:00PM May 31, 2021Highest Observation: 2.16 ft at 9:15PM May 31, 2021Observed: 2.15 ft at 9:30PM May 31, 2021Observed: 2.15 ft at 9:45PM May 31, 2021Observed: 2.15 ft at 10:00PM May 31, 2021Observed: 2.15 ft at 10:15PM May 31, 2021Observed: 2.15 ft at 10:30PM May 31, 2021Observed: 2.15 ft at 10:45PM May 31, 2021Observed: 2.15 ft at 11:00PM May 31, 2021Observed: 2.15 ft at 11:15PM May 31, 2021Observed: 2.15 ft at 11:30PM May 31, 2021Observed: 2.15 ft at 11:45PM May 31, 2021Observed: 2.15 ft at 12:00AM Jun 01, 2021Observed: 2.15 ft at 12:15AM Jun 01, 2021Observed: 2.15 ft at 12:30AM Jun 01, 2021Observed: 2.15 ft at 12:45AM Jun 01, 2021Observed: 2.15 ft at 1:00AM Jun 01, 2021Observed: 2.15 ft at 1:15AM Jun 01, 2021Observed: 2.15 ft at 1:30AM Jun 01, 2021Observed: 2.15 ft at 1:45AM Jun 01, 2021Observed: 2.15 ft at 2:00AM Jun 01, 2021Observed: 2.15 ft at 2:15AM Jun 01, 2021Observed: 2.15 ft at 2:30AM Jun 01, 2021Observed: 2.15 ft at 2:45AM Jun 01, 2021Observed: 2.15 ft at 3:00AM Jun 01, 2021Observed: 2.15 ft at 3:15AM Jun 01, 2021Observed: 2.15 ft at 3:30AM Jun 01, 2021Observed: 2.15 ft at 3:45AM Jun 01, 2021Observed: 2.15 ft at 4:00AM Jun 01, 2021Observed: 2.15 ft at 4:15AM Jun 01, 2021Observed: 2.15 ft at 4:30AM Jun 01, 2021Observed: 2.15 ft at 4:45AM Jun 01, 2021Observed: 2.15 ft at 5:00AM Jun 01, 2021Observed: 2.15 ft at 5:15AM Jun 01, 2021Observed: 2.15 ft at 5:30AM Jun 01, 2021Observed: 2.15 ft at 5:45AM Jun 01, 2021Observed: 2.15 ft at 6:00AM Jun 01, 2021Observed: 2.15 ft at 6:15AM Jun 01, 2021Observed: 2.14 ft at 6:30AM Jun 01, 2021Observed: 2.15 ft at 6:45AM Jun 01, 2021Observed: 2.14 ft at 7:00AM Jun 01, 2021Observed: 2.14 ft at 7:15AM Jun 01, 2021Observed: 2.14 ft at 7:30AM Jun 01, 2021Observed: 2.14 ft at 7:45AM Jun 01, 2021Observed: 2.14 ft at 8:00AM Jun 01, 2021Observed: 2.14 ft at 8:15AM Jun 01, 2021Observed: 2.14 ft at 8:30AM Jun 01, 2021Observed: 2.14 ft at 8:45AM Jun 01, 2021Observed: 2.14 ft at 9:00AM Jun 01, 2021Observed: 2.14 ft at 9:15AM Jun 01, 2021Observed: 2.14 ft at 9:30AM Jun 01, 2021Observed: 2.14 ft at 9:45AM Jun 01, 2021Observed: 2.14 ft at 10:00AM Jun 01, 2021Observed: 2.14 ft at 10:15AM Jun 01, 2021Observed: 2.14 ft at 10:30AM Jun 01, 2021Observed: 2.14 ft at 10:45AM Jun 01, 2021Observed: 2.14 ft at 11:00AM Jun 01, 2021Observed: 2.14 ft at 11:15AM Jun 01, 2021Observed: 2.14 ft at 11:30AM Jun 01, 2021Observed: 2.14 ft at 11:45AM Jun 01, 2021Observed: 2.14 ft at 12:00PM Jun 01, 2021Observed: 2.14 ft at 12:15PM Jun 01, 2021Observed: 2.14 ft at 12:30PM Jun 01, 2021Observed: 2.14 ft at 12:45PM Jun 01, 2021Observed: 2.14 ft at 1:00PM Jun 01, 2021Observed: 2.14 ft at 1:15PM Jun 01, 2021Observed: 2.13 ft at 1:30PM Jun 01, 2021Observed: 2.13 ft at 1:45PM Jun 01, 2021Observed: 2.13 ft at 2:00PM Jun 01, 2021Observed: 2.13 ft at 2:15PM Jun 01, 2021Observed: 2.13 ft at 2:30PM Jun 01, 2021Observed: 2.13 ft at 2:45PM Jun 01, 2021Observed: 2.13 ft at 3:00PM Jun 01, 2021Observed: 2.13 ft at 3:15PM Jun 01, 2021Observed: 2.13 ft at 3:30PM Jun 01, 2021Observed: 2.13 ft at 3:45PM Jun 01, 2021Observed: 2.13 ft at 4:00PM Jun 01, 2021Observed: 2.13 ft at 4:15PM Jun 01, 2021Observed: 2.13 ft at 4:30PM Jun 01, 2021Observed: 2.13 ft at 4:45PM Jun 01, 2021Observed: 2.13 ft at 5:00PM Jun 01, 2021Observed: 2.13 ft at 5:15PM Jun 01, 2021Observed: 2.13 ft at 5:30PM Jun 01, 2021Observed: 2.13 ft at 5:45PM Jun 01, 2021Observed: 2.13 ft at 6:00PM Jun 01, 2021Observed: 2.13 ft at 6:15PM Jun 01, 2021Observed: 2.13 ft at 6:30PM Jun 01, 2021Observed: 2.13 ft at 6:45PM Jun 01, 2021Observed: 2.13 ft at 7:00PM Jun 01, 2021Observed: 2.13 ft at 7:15PM Jun 01, 2021Observed: 2.13 ft at 7:30PM Jun 01, 2021Observed: 2.13 ft at 7:45PM Jun 01, 2021Observed: 2.13 ft at 8:00PM Jun 01, 2021Observed: 2.13 ft at 8:15PM Jun 01, 2021Observed: 2.13 ft at 8:30PM Jun 01, 2021Observed: 2.13 ft at 8:45PM Jun 01, 2021Observed: 2.13 ft at 9:00PM Jun 01, 2021Observed: 2.13 ft at 9:15PM Jun 01, 2021Observed: 2.13 ft at 9:30PM Jun 01, 2021Observed: 2.13 ft at 9:45PM Jun 01, 2021Observed: 2.13 ft at 10:00PM Jun 01, 2021Observed: 2.13 ft at 10:15PM Jun 01, 2021Observed: 2.13 ft at 10:30PM Jun 01, 2021Observed: 2.13 ft at 10:45PM Jun 01, 2021Observed: 2.13 ft at 11:00PM Jun 01, 2021Observed: 2.13 ft at 11:15PM Jun 01, 2021Observed: 2.13 ft at 11:30PM Jun 01, 2021Observed: 2.13 ft at 11:45PM Jun 01, 2021Observed: 2.13 ft at 12:00AM Jun 02, 2021Observed: 2.13 ft at 12:15AM Jun 02, 2021Observed: 2.13 ft at 12:30AM Jun 02, 2021Observed: 2.13 ft at 12:45AM Jun 02, 2021Observed: 2.13 ft at 1:00AM Jun 02, 2021Observed: 2.13 ft at 1:15AM Jun 02, 2021Observed: 2.13 ft at 1:30AM Jun 02, 2021Observed: 2.13 ft at 1:45AM Jun 02, 2021Observed: 2.14 ft at 2:00AM Jun 02, 2021Observed: 2.14 ft at 2:15AM Jun 02, 2021Observed: 2.14 ft at 2:30AM Jun 02, 2021Observed: 2.14 ft at 2:45AM Jun 02, 2021Observed: 2.13 ft at 3:00AM Jun 02, 2021Observed: 2.14 ft at 3:15AM Jun 02, 2021Observed: 2.14 ft at 3:30AM Jun 02, 2021Observed: 2.14 ft at 3:45AM Jun 02, 2021Observed: 2.14 ft at 4:00AM Jun 02, 2021Observed: 2.14 ft at 4:15AM Jun 02, 2021Observed: 2.14 ft at 4:30AM Jun 02, 2021Observed: 2.14 ft at 4:45AM Jun 02, 2021Observed: 2.14 ft at 5:00AM Jun 02, 2021Observed: 2.14 ft at 5:15AM Jun 02, 2021Observed: 2.14 ft at 5:30AM Jun 02, 2021Observed: 2.14 ft at 5:45AM Jun 02, 2021Observed: 2.14 ft at 6:00AM Jun 02, 2021Observed: 2.14 ft at 6:15AM Jun 02, 2021Observed: 2.13 ft at 6:30AM Jun 02, 2021Observed: 2.13 ft at 6:45AM Jun 02, 2021Observed: 2.14 ft at 7:00AM Jun 02, 2021Observed: 2.14 ft at 7:15AM Jun 02, 2021Observed: 2.14 ft at 7:30AM Jun 02, 2021Observed: 2.14 ft at 7:45AM Jun 02, 2021Observed: 2.13 ft at 8:00AM Jun 02, 2021Observed: 2.13 ft at 8:15AM Jun 02, 2021Observed: 2.14 ft at 8:30AM Jun 02, 2021Observed: 2.14 ft at 8:45AM Jun 02, 2021Observed: 2.14 ft at 9:00AM Jun 02, 2021Observed: 2.13 ft at 9:15AM Jun 02, 2021Observed: 2.13 ft at 9:30AM Jun 02, 2021Observed: 2.13 ft at 9:45AM Jun 02, 2021Observed: 2.13 ft at 10:00AM Jun 02, 2021Observed: 2.13 ft at 10:15AM Jun 02, 2021Observed: 2.13 ft at 10:30AM Jun 02, 2021Observed: 2.13 ft at 10:45AM Jun 02, 2021Observed: 2.13 ft at 11:00AM Jun 02, 2021Observed: 2.13 ft at 11:15AM Jun 02, 2021Observed: 2.13 ft at 11:30AM Jun 02, 2021Observed: 2.13 ft at 11:45AM Jun 02, 2021Observed: 2.13 ft at 12:00PM Jun 02, 2021Observed: 2.13 ft at 12:15PM Jun 02, 2021Observed: 2.13 ft at 12:30PM Jun 02, 2021Observed: 2.13 ft at 12:45PM Jun 02, 2021Observed: 2.13 ft at 1:00PM Jun 02, 2021Observed: 2.13 ft at 1:15PM Jun 02, 2021Observed: 2.13 ft at 1:30PM Jun 02, 2021Observed: 2.13 ft at 1:45PM Jun 02, 2021Observed: 2.13 ft at 2:00PM Jun 02, 2021Observed: 2.13 ft at 2:15PM Jun 02, 2021Observed: 2.13 ft at 2:30PM Jun 02, 2021Observed: 2.13 ft at 2:45PM Jun 02, 2021Observed: 2.13 ft at 3:00PM Jun 02, 2021Observed: 2.13 ft at 3:15PM Jun 02, 2021Observed: 2.13 ft at 3:30PM Jun 02, 2021Observed: 2.13 ft at 3:45PM Jun 02, 2021Observed: 2.13 ft at 4:00PM Jun 02, 2021Observed: 2.13 ft at 4:15PM Jun 02, 2021Observed: 2.13 ft at 4:30PM Jun 02, 2021Observed: 2.13 ft at 4:45PM Jun 02, 2021Observed: 2.13 ft at 5:00PM Jun 02, 2021Observed: 2.13 ft at 5:15PM Jun 02, 2021Observed: 2.13 ft at 5:30PM Jun 02, 2021Observed: 2.13 ft at 5:45PM Jun 02, 2021Observed: 2.13 ft at 6:00PM Jun 02, 2021Observed: 2.13 ft at 6:15PM Jun 02, 2021Observed: 2.13 ft at 6:30PM Jun 02, 2021Observed: 2.14 ft at 6:45PM Jun 02, 2021Observed: 2.13 ft at 7:00PM Jun 02, 2021Observed: 2.14 ft at 7:15PM Jun 02, 2021Observed: 2.13 ft at 7:30PM Jun 02, 2021Observed: 2.13 ft at 7:45PM Jun 02, 2021Observed: 2.14 ft at 8:00PM Jun 02, 2021Observed: 2.13 ft at 8:15PM Jun 02, 2021Observed: 2.14 ft at 8:30PM Jun 02, 2021Observed: 2.13 ft at 8:45PM Jun 02, 2021Observed: 2.14 ft at 9:00PM Jun 02, 2021Observed: 2.14 ft at 9:15PM Jun 02, 2021Observed: 2.14 ft at 9:30PM Jun 02, 2021Observed: 2.14 ft at 9:45PM Jun 02, 2021Observed: 2.14 ft at 10:00PM Jun 02, 2021Observed: 2.13 ft at 10:15PM Jun 02, 2021Observed: 2.14 ft at 10:30PM Jun 02, 2021Observed: 2.14 ft at 10:45PM Jun 02, 2021Observed: 2.13 ft at 11:00PM Jun 02, 2021Observed: 2.14 ft at 11:15PM Jun 02, 2021Observed: 2.14 ft at 11:30PM Jun 02, 2021Observed: 2.14 ft at 11:45PM Jun 02, 2021Observed: 2.14 ft at 12:00AM Jun 03, 2021Observed: 2.14 ft at 12:15AM Jun 03, 2021Observed: 2.14 ft at 12:30AM Jun 03, 2021Observed: 2.14 ft at 12:45AM Jun 03, 2021Observed: 2.14 ft at 1:00AM Jun 03, 2021Observed: 2.14 ft at 1:15AM Jun 03, 2021Observed: 2.14 ft at 1:30AM Jun 03, 2021Observed: 2.14 ft at 1:45AM Jun 03, 2021Observed: 2.14 ft at 2:00AM Jun 03, 2021Observed: 2.14 ft at 2:15AM Jun 03, 2021Observed: 2.14 ft at 2:30AM Jun 03, 2021Observed: 2.14 ft at 2:45AM Jun 03, 2021Observed: 2.14 ft at 3:00AM Jun 03, 2021Observed: 2.14 ft at 3:15AM Jun 03, 2021Observed: 2.14 ft at 3:30AM Jun 03, 2021Observed: 2.14 ft at 3:45AM Jun 03, 2021Observed: 2.15 ft at 4:00AM Jun 03, 2021Observed: 2.14 ft at 4:15AM Jun 03, 2021Observed: 2.14 ft at 4:30AM Jun 03, 2021Observed: 2.14 ft at 4:45AM Jun 03, 2021Observed: 2.14 ft at 5:00AM Jun 03, 2021Observed: 2.14 ft at 5:15AM Jun 03, 2021Observed: 2.14 ft at 5:30AM Jun 03, 2021Observed: 2.14 ft at 5:45AM Jun 03, 2021Observed: 2.14 ft at 6:00AM Jun 03, 2021Observed: 2.14 ft at 6:15AM Jun 03, 2021Observed: 2.14 ft at 6:30AM Jun 03, 2021Observed: 2.14 ft at 6:45AM Jun 03, 2021Observed: 2.14 ft at 8:00AM Jun 03, 2021Observed: 2.14 ft at 8:15AM Jun 03, 2021Observed: 2.14 ft at 8:30AM Jun 03, 2021Observed: 2.14 ft at 8:45AM Jun 03, 2021Observed: 2.14 ft at 9:00AM Jun 03, 2021Observed: 2.14 ft at 9:15AM Jun 03, 2021Observed: 2.14 ft at 9:30AM Jun 03, 2021Observed: 2.14 ft at 9:45AM Jun 03, 2021Observed: 2.14 ft at 10:00AM Jun 03, 2021Observed: 2.14 ft at 10:15AM Jun 03, 2021Observed: 2.13 ft at 10:30AM Jun 03, 2021Observed: 2.14 ft at 10:45AM Jun 03, 2021Observed: 2.14 ft at 11:00AM Jun 03, 2021Observed: 2.14 ft at 11:15AM Jun 03, 2021Observed: 2.14 ft at 11:30AM Jun 03, 2021Observed: 2.14 ft at 11:45AM Jun 03, 2021Observed: 2.14 ft at 12:00PM Jun 03, 2021Observed: 2.14 ft at 12:15PM Jun 03, 2021Observed: 2.14 ft at 12:30PM Jun 03, 2021Observed: 2.14 ft at 12:45PM Jun 03, 2021Observed: 2.14 ft at 1:00PM Jun 03, 2021Observed: 2.14 ft at 1:15PM Jun 03, 2021Observed: 2.14 ft at 1:30PM Jun 03, 2021Observed: 2.14 ft at 1:45PM Jun 03, 2021Observed: 2.13 ft at 2:00PM Jun 03, 2021Observed: 2.14 ft at 2:15PM Jun 03, 2021Observed: 2.13 ft at 2:30PM Jun 03, 2021Observed: 2.15 ft at 2:45PM Jun 03, 2021Observed: 2.14 ft at 3:00PM Jun 03, 2021Observed: 2.14 ft at 3:15PM Jun 03, 2021Observed: 2.14 ft at 3:30PM Jun 03, 2021Observed: 2.14 ft at 3:45PM Jun 03, 2021Observed: 2.14 ft at 4:00PM Jun 03, 2021Observed: 2.14 ft at 4:15PM Jun 03, 2021Observed: 2.13 ft at 4:30PM Jun 03, 2021Observed: 2.14 ft at 4:45PM Jun 03, 2021Observed: 2.14 ft at 5:00PM Jun 03, 2021Observed: 2.13 ft at 5:15PM Jun 03, 2021Observed: 2.14 ft at 5:30PM Jun 03, 2021Observed: 2.14 ft at 5:45PM Jun 03, 2021Observed: 2.13 ft at 6:00PM Jun 03, 2021Observed: 2.13 ft at 6:15PM Jun 03, 2021Observed: 2.13 ft at 6:30PM Jun 03, 2021Observed: 2.13 ft at 6:45PM Jun 03, 2021Observed: 2.13 ft at 7:00PM Jun 03, 2021Observed: 2.13 ft at 7:15PM Jun 03, 2021Observed: 2.13 ft at 7:30PM Jun 03, 2021Observed: 2.13 ft at 7:45PM Jun 03, 2021Observed: 2.13 ft at 8:00PM Jun 03, 2021Observed: 2.13 ft at 8:15PM Jun 03, 2021Observed: 2.13 ft at 8:30PM Jun 03, 2021Observed: 2.14 ft at 8:45PM Jun 03, 2021Observed: 2.14 ft at 9:00PM Jun 03, 2021Observed: 2.14 ft at 9:15PM Jun 03, 2021Observed: 2.14 ft at 9:30PM Jun 03, 2021Observed: 2.14 ft at 9:45PM Jun 03, 2021Observed: 2.14 ft at 10:00PM Jun 03, 2021Observed: 2.14 ft at 10:15PM Jun 03, 2021Observed: 2.14 ft at 10:30PM Jun 03, 2021Observed: 2.14 ft at 10:45PM Jun 03, 2021Observed: 2.14 ft at 11:00PM Jun 03, 2021Observed: 2.14 ft at 11:15PM Jun 03, 2021Observed: 2.13 ft at 11:30PM Jun 03, 2021Observed: 2.13 ft at 11:45PM Jun 03, 2021Observed: 2.13 ft at 12:00AM Jun 04, 2021Observed: 2.13 ft at 12:15AM Jun 04, 2021Observed: 2.13 ft at 12:30AM Jun 04, 2021Observed: 2.13 ft at 12:45AM Jun 04, 2021Observed: 2.13 ft at 1:00AM Jun 04, 2021Observed: 2.13 ft at 1:15AM Jun 04, 2021Observed: 2.13 ft at 1:30AM Jun 04, 2021Observed: 2.13 ft at 1:45AM Jun 04, 2021Observed: 2.13 ft at 2:00AM Jun 04, 2021Observed: 2.13 ft at 2:15AM Jun 04, 2021Observed: 2.13 ft at 2:30AM Jun 04, 2021Observed: 2.13 ft at 2:45AM Jun 04, 2021Observed: 2.13 ft at 3:00AM Jun 04, 2021Observed: 2.13 ft at 3:15AM Jun 04, 2021Observed: 2.13 ft at 3:30AM Jun 04, 2021Observed: 2.13 ft at 3:45AM Jun 04, 2021Observed: 2.13 ft at 4:00AM Jun 04, 2021Observed: 2.13 ft at 4:15AM Jun 04, 2021Observed: 2.13 ft at 4:30AM Jun 04, 2021Observed: 2.13 ft at 4:45AM Jun 04, 2021Observed: 2.13 ft at 5:00AM Jun 04, 2021Observed: 2.13 ft at 5:15AM Jun 04, 2021Observed: 2.13 ft at 5:30AM Jun 04, 2021Observed: 2.13 ft at 5:45AM Jun 04, 2021Observed: 2.13 ft at 6:00AM Jun 04, 2021Observed: 2.13 ft at 6:15AM Jun 04, 2021Observed: 2.13 ft at 6:30AM Jun 04, 2021Observed: 2.13 ft at 6:45AM Jun 04, 2021Observed: 2.13 ft at 7:00AM Jun 04, 2021Observed: 2.13 ft at 7:15AM Jun 04, 2021Observed: 2.13 ft at 7:30AM Jun 04, 2021Observed: 2.13 ft at 7:45AM Jun 04, 2021Observed: 2.13 ft at 8:00AM Jun 04, 2021Observed: 2.13 ft at 8:15AM Jun 04, 2021Observed: 2.13 ft at 8:30AM Jun 04, 2021Observed: 2.13 ft at 8:45AM Jun 04, 2021Observed: 2.13 ft at 9:00AM Jun 04, 2021Observed: 2.13 ft at 9:15AM Jun 04, 2021Observed: 2.13 ft at 9:30AM Jun 04, 2021Observed: 2.13 ft at 9:45AM Jun 04, 2021Observed: 2.13 ft at 10:00AM Jun 04, 2021Observed: 2.13 ft at 10:15AM Jun 04, 2021Observed: 2.13 ft at 10:30AM Jun 04, 2021Observed: 2.13 ft at 10:45AM Jun 04, 2021Observed: 2.13 ft at 11:00AM Jun 04, 2021Observed: 2.13 ft at 11:15AM Jun 04, 2021Observed: 2.13 ft at 11:30AM Jun 04, 2021Observed: 2.13 ft at 11:45AM Jun 04, 2021Observed: 2.13 ft at 12:00PM Jun 04, 2021Observed: 2.13 ft at 12:15PM Jun 04, 2021Observed: 2.13 ft at 12:30PM Jun 04, 2021Observed: 2.13 ft at 12:45PM Jun 04, 2021Observed: 2.13 ft at 1:00PM Jun 04, 2021Observed: 2.13 ft at 1:15PM Jun 04, 2021Observed: 2.13 ft at 1:30PM Jun 04, 2021Observed: 2.12 ft at 1:45PM Jun 04, 2021Observed: 2.13 ft at 2:00PM Jun 04, 2021Observed: 2.13 ft at 2:15PM Jun 04, 2021Observed: 2.13 ft at 2:30PM Jun 04, 2021Observed: 2.14 ft at 2:45PM Jun 04, 2021Observed: 2.13 ft at 3:00PM Jun 04, 2021Observed: 2.12 ft at 3:15PM Jun 04, 2021Observed: 2.13 ft at 3:30PM Jun 04, 2021Observed: 2.12 ft at 3:45PM Jun 04, 2021Observed: 2.12 ft at 4:00PM Jun 04, 2021Observed: 2.13 ft at 4:15PM Jun 04, 2021Observed: 2.13 ft at 4:30PM Jun 04, 2021Observed: 2.12 ft at 4:45PM Jun 04, 2021Observed: 2.12 ft at 5:00PM Jun 04, 2021Observed: 2.12 ft at 5:15PM Jun 04, 2021Observed: 2.12 ft at 5:30PM Jun 04, 2021Observed: 2.12 ft at 5:45PM Jun 04, 2021Observed: 2.12 ft at 6:00PM Jun 04, 2021Observed: 2.12 ft at 6:15PM Jun 04, 2021Observed: 2.12 ft at 6:30PM Jun 04, 2021Observed: 2.12 ft at 6:45PM Jun 04, 2021Observed: 2.13 ft at 7:00PM Jun 04, 2021Observed: 2.12 ft at 7:15PM Jun 04, 2021Observed: 2.13 ft at 7:30PM Jun 04, 2021Observed: 2.13 ft at 7:45PM Jun 04, 2021Observed: 2.13 ft at 8:00PM Jun 04, 2021Observed: 2.13 ft at 8:15PM Jun 04, 2021Observed: 2.12 ft at 8:30PM Jun 04, 2021Observed: 2.13 ft at 8:45PM Jun 04, 2021Observed: 2.13 ft at 9:00PM Jun 04, 2021Observed: 2.13 ft at 9:15PM Jun 04, 2021Observed: 2.13 ft at 9:30PM Jun 04, 2021Observed: 2.13 ft at 9:45PM Jun 04, 2021Observed: 2.13 ft at 10:00PM Jun 04, 2021Observed: 2.13 ft at 10:15PM Jun 04, 2021Observed: 2.13 ft at 10:30PM Jun 04, 2021Observed: 2.13 ft at 10:45PM Jun 04, 2021Observed: 2.13 ft at 11:00PM Jun 04, 2021Observed: 2.13 ft at 11:15PM Jun 04, 2021Observed: 2.13 ft at 11:30PM Jun 04, 2021Observed: 2.13 ft at 11:45PM Jun 04, 2021Observed: 2.13 ft at 12:00AM Jun 05, 2021Observed: 2.13 ft at 12:15AM Jun 05, 2021Observed: 2.13 ft at 12:30AM Jun 05, 2021Observed: 2.13 ft at 12:45AM Jun 05, 2021Observed: 2.13 ft at 1:00AM Jun 05, 2021Observed: 2.13 ft at 1:15AM Jun 05, 2021Observed: 2.13 ft at 1:30AM Jun 05, 2021Observed: 2.13 ft at 1:45AM Jun 05, 2021Observed: 2.13 ft at 2:00AM Jun 05, 2021Observed: 2.13 ft at 2:15AM Jun 05, 2021Observed: 2.13 ft at 2:30AM Jun 05, 2021Observed: 2.13 ft at 2:45AM Jun 05, 2021Observed: 2.13 ft at 3:00AM Jun 05, 2021Observed: 2.13 ft at 3:15AM Jun 05, 2021Observed: 2.13 ft at 3:30AM Jun 05, 2021Observed: 2.13 ft at 3:45AM Jun 05, 2021Observed: 2.13 ft at 4:00AM Jun 05, 2021Observed: 2.13 ft at 4:15AM Jun 05, 2021Observed: 2.13 ft at 4:30AM Jun 05, 2021Observed: 2.13 ft at 4:45AM Jun 05, 2021Observed: 2.13 ft at 5:00AM Jun 05, 2021Observed: 2.13 ft at 5:15AM Jun 05, 2021Observed: 2.13 ft at 5:30AM Jun 05, 2021Observed: 2.13 ft at 5:45AM Jun 05, 2021Observed: 2.13 ft at 6:00AM Jun 05, 2021Observed: 2.13 ft at 6:15AM Jun 05, 2021Observed: 2.13 ft at 6:30AM Jun 05, 2021Observed: 2.13 ft at 6:45AM Jun 05, 2021Observed: 2.13 ft at 7:00AM Jun 05, 2021Observed: 2.13 ft at 7:15AM Jun 05, 2021Observed: 2.13 ft at 7:30AM Jun 05, 2021Observed: 2.12 ft at 7:45AM Jun 05, 2021Observed: 2.13 ft at 8:00AM Jun 05, 2021Observed: 2.13 ft at 8:15AM Jun 05, 2021Observed: 2.13 ft at 8:30AM Jun 05, 2021Observed: 2.13 ft at 8:45AM Jun 05, 2021Observed: 2.13 ft at 9:00AM Jun 05, 2021Observed: 2.13 ft at 9:15AM Jun 05, 2021Observed: 2.13 ft at 9:30AM Jun 05, 2021Observed: 2.13 ft at 9:45AM Jun 05, 2021Observed: 2.13 ft at 10:00AM Jun 05, 2021Observed: 2.13 ft at 10:15AM Jun 05, 2021Observed: 2.13 ft at 10:30AM Jun 05, 2021Observed: 2.13 ft at 10:45AM Jun 05, 2021Observed: 2.13 ft at 11:00AM Jun 05, 2021Observed: 2.13 ft at 11:15AM Jun 05, 2021Observed: 2.13 ft at 11:30AM Jun 05, 2021Observed: 2.13 ft at 11:45AM Jun 05, 2021Highest Forecast: 2.1 ft 1:00PM Jun 05, 2021Highest Forecast: 2.1 ft 2:00PM Jun 05, 2021Highest Forecast: 2.1 ft 3:00PM Jun 05, 2021Highest Forecast: 2.1 ft 4:00PM Jun 05, 2021Highest Forecast: 2.1 ft 5:00PM Jun 05, 2021Highest Forecast: 2.1 ft 6:00PM Jun 05, 2021Highest Forecast: 2.1 ft 7:00PM Jun 05, 2021Highest Forecast: 2.1 ft 8:00PM Jun 05, 2021Highest Forecast: 2.1 ft 9:00PM Jun 05, 2021Highest Forecast: 2.1 ft 10:00PM Jun 05, 2021Highest Forecast: 2.1 ft 11:00PM Jun 05, 2021Highest Forecast: 2.1 ft 12:00AM Jun 06, 2021Highest Forecast: 2.1 ft 1:00AM Jun 06, 2021Highest Forecast: 2.1 ft 2:00AM Jun 06, 2021Highest Forecast: 2.1 ft 3:00AM Jun 06, 2021Highest Forecast: 2.1 ft 4:00AM Jun 06, 2021Highest Forecast: 2.1 ft 5:00AM Jun 06, 2021Highest Forecast: 2.1 ft 6:00AM Jun 06, 2021Highest Forecast: 2.1 ft 7:00AM Jun 06, 2021Highest Forecast: 2.1 ft 8:00AM Jun 06, 2021Highest Forecast: 2.1 ft 9:00AM Jun 06, 2021Highest Forecast: 2.1 ft 10:00AM Jun 06, 2021Highest Forecast: 2.1 ft 11:00AM Jun 06, 2021Highest Forecast: 2.1 ft 12:00PM Jun 06, 2021Highest Forecast: 2.1 ft 1:00PM Jun 06, 2021Highest Forecast: 2.1 ft 2:00PM Jun 06, 2021Highest Forecast: 2.1 ft 3:00PM Jun 06, 2021Highest Forecast: 2.1 ft 4:00PM Jun 06, 2021Highest Forecast: 2.1 ft 5:00PM Jun 06, 2021Highest Forecast: 2.1 ft 6:00PM Jun 06, 2021Highest Forecast: 2.1 ft 7:00PM Jun 06, 2021Highest Forecast: 2.1 ft 8:00PM Jun 06, 2021Highest Forecast: 2.1 ft 9:00PM Jun 06, 2021Highest Forecast: 2.1 ft 10:00PM Jun 06, 2021Highest Forecast: 2.1 ft 11:00PM Jun 06, 2021Highest Forecast: 2.1 ft 12:00AM Jun 07, 2021Highest Forecast: 2.1 ft 1:00AM Jun 07, 2021Highest Forecast: 2.1 ft 2:00AM Jun 07, 2021Highest Forecast: 2.1 ft 3:00AM Jun 07, 2021Highest Forecast: 2.1 ft 4:00AM Jun 07, 2021Highest Forecast: 2.1 ft 5:00AM Jun 07, 2021Highest Forecast: 2.1 ft 6:00AM Jun 07, 2021Highest Forecast: 2.1 ft 7:00AM Jun 07, 2021Highest Forecast: 2.1 ft 8:00AM Jun 07, 2021Highest Forecast: 2.1 ft 9:00AM Jun 07, 2021Highest Forecast: 2.1 ft 10:00AM Jun 07, 2021Highest Forecast: 2.1 ft 11:00AM Jun 07, 2021Highest Forecast: 2.1 ft 12:00PM Jun 07, 2021Highest Forecast: 2.1 ft 1:00PM Jun 07, 2021Highest Forecast: 2.1 ft 2:00PM Jun 07, 2021Highest Forecast: 2.1 ft 3:00PM Jun 07, 2021Highest Forecast: 2.1 ft 4:00PM Jun 07, 2021Highest Forecast: 2.1 ft 5:00PM Jun 07, 2021Highest Forecast: 2.1 ft 6:00PM Jun 07, 2021Highest Forecast: 2.1 ft 7:00PM Jun 07, 2021Highest Forecast: 2.1 ft 8:00PM Jun 07, 2021Highest Forecast: 2.1 ft 9:00PM Jun 07, 2021Highest Forecast: 2.1 ft 10:00PM Jun 07, 2021Highest Forecast: 2.1 ft 11:00PM Jun 07, 2021Highest Forecast: 2.1 ft 12:00AM Jun 08, 2021Highest Forecast: 2.1 ft 1:00AM Jun 08, 2021Highest Forecast: 2.1 ft 2:00AM Jun 08, 2021Highest Forecast: 2.1 ft 3:00AM Jun 08, 2021Highest Forecast: 2.1 ft 4:00AM Jun 08, 2021Highest Forecast: 2.1 ft 5:00AM Jun 08, 2021Highest Forecast: 2.1 ft 6:00AM Jun 08, 2021Highest Forecast: 2.1 ft 7:00AM Jun 08, 2021Highest Forecast: 2.1 ft 8:00AM Jun 08, 2021Highest Forecast: 2.1 ft 9:00AM Jun 08, 2021Highest Forecast: 2.1 ft 10:00AM Jun 08, 2021Highest Forecast: 2.1 ft 11:00AM Jun 08, 2021Highest Forecast: 2.1 ft 12:00PM Jun 08, 2021Highest Forecast: 2.1 ft 1:00PM Jun 08, 2021Highest Forecast: 2.1 ft 2:00PM Jun 08, 2021Highest Forecast: 2.1 ft 3:00PM Jun 08, 2021Highest Forecast: 2.1 ft 4:00PM Jun 08, 2021Highest Forecast: 2.1 ft 5:00PM Jun 08, 2021Highest Forecast: 2.1 ft 6:00PM Jun 08, 2021Highest Forecast: 2.1 ft 7:00PM Jun 08, 2021Highest Forecast: 2.1 ft 8:00PM Jun 08, 2021Highest Forecast: 2.1 ft 9:00PM Jun 08, 2021Highest Forecast: 2.1 ft 10:00PM Jun 08, 2021Highest Forecast: 2.1 ft 11:00PM Jun 08, 2021Highest Forecast: 2.1 ft 12:00AM Jun 09, 2021Highest Forecast: 2.1 ft 1:00AM Jun 09, 2021Highest Forecast: 2.1 ft 2:00AM Jun 09, 2021Highest Forecast: 2.1 ft 3:00AM Jun 09, 2021Highest Forecast: 2.1 ft 4:00AM Jun 09, 2021Highest Forecast: 2.1 ft 5:00AM Jun 09, 2021Highest Forecast: 2.1 ft 6:00AM Jun 09, 2021Highest Forecast: 2.1 ft 7:00AM Jun 09, 2021Highest Forecast: 2.1 ft 8:00AM Jun 09, 2021Highest Forecast: 2.1 ft 9:00AM Jun 09, 2021Highest Forecast: 2.1 ft 10:00AM Jun 09, 2021Highest Forecast: 2.1 ft 11:00AM Jun 09, 2021Highest Forecast: 2.1 ft 12:00PM Jun 09, 2021Highest Forecast: 2.1 ft 1:00PM Jun 09, 2021Highest Forecast: 2.1 ft 2:00PM Jun 09, 2021Highest Forecast: 2.1 ft 3:00PM Jun 09, 2021Highest Forecast: 2.1 ft 4:00PM Jun 09, 2021Highest Forecast: 2.1 ft 5:00PM Jun 09, 2021Highest Forecast: 2.1 ft 6:00PM Jun 09, 2021Highest Forecast: 2.1 ft 7:00PM Jun 09, 2021Highest Forecast: 2.1 ft 8:00PM Jun 09, 2021Highest Forecast: 2.1 ft 9:00PM Jun 09, 2021Highest Forecast: 2.1 ft 10:00PM Jun 09, 2021Highest Forecast: 2.1 ft 11:00PM Jun 09, 2021Highest Forecast: 2.1 ft 12:00AM Jun 10, 2021Highest Forecast: 2.1 ft 1:00AM Jun 10, 2021Highest Forecast: 2.1 ft 2:00AM Jun 10, 2021Highest Forecast: 2.1 ft 3:00AM Jun 10, 2021Highest Forecast: 2.1 ft 4:00AM Jun 10, 2021Highest Forecast: 2.1 ft 5:00AM Jun 10, 2021USGS--Water Resources of the United StatesLRZC1(plotting HGIRG) Graph Created (12:45PM Jun 5, 2021)ObservedForecast (issued 7:43AM Jun 5)Latest observed value: 2.13 ft at 11:45 AM PDT 5-Jun-2021. Flood Stage is 24.6 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the San Lorenzo Creek (Alameda) above Hayward are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage: 33
Moderate Flood Stage: 29.64
Flood Stage: 24.6
Action Stage: 20.85
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.
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33 Major Flooding. Homes and local roadways inundated with several feet of water.
29.64 Moderate Flooding. Homes and roadways adjacent to the creek in this location begin to flood.
24.64 Minor Flooding. At 24.64 feet, flooding may have begun downstream at the San Lorenzo Creek near San Lorenzo stream gage. NWS will issue Flash Flood Warning if not already issued.
20.85 Monitor stage. At 20.85 feet the San Lorenzo Creek near San Lorenzo gage downstream is close to flooding. NWS will issue a Flash Flood Watch if not already issued.
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Latitude: 37.685556° N, Longitude: 122.063333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 24.6 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  

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
San Francisco Bay Area Weather Forecast Office
21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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