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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.



Hydrograph River at a Glance Download
Corte Madera Creek at Ross Stage (ft)Flow (cfs)Observed: 4.28 ft at 6:45AM Nov 27, 2023Observed: 4.27 ft at 7:00AM Nov 27, 2023Observed: 4.27 ft at 7:15AM Nov 27, 2023Observed: 4.27 ft at 7:30AM Nov 27, 2023Observed: 4.27 ft at 7:45AM Nov 27, 2023Observed: 4.27 ft at 8:00AM Nov 27, 2023Observed: 4.27 ft at 8:15AM Nov 27, 2023Observed: 4.27 ft at 8:30AM Nov 27, 2023Observed: 4.27 ft at 8:45AM Nov 27, 2023Observed: 4.27 ft at 9:00AM Nov 27, 2023Observed: 4.27 ft at 9:15AM Nov 27, 2023Observed: 4.28 ft at 9:30AM Nov 27, 2023Observed: 4.27 ft at 9:45AM Nov 27, 2023Observed: 4.27 ft at 10:00AM Nov 27, 2023Observed: 4.28 ft at 10:15AM Nov 27, 2023Observed: 4.28 ft at 10:30AM Nov 27, 2023Observed: 4.28 ft at 10:45AM Nov 27, 2023Observed: 4.28 ft at 11:00AM Nov 27, 2023Observed: 4.28 ft at 11:15AM Nov 27, 2023Observed: 4.28 ft at 11:30AM Nov 27, 2023Observed: 4.28 ft at 11:45AM Nov 27, 2023Observed: 4.28 ft at 12:00PM Nov 27, 2023Observed: 4.28 ft at 12:15PM Nov 27, 2023Observed: 4.28 ft at 12:30PM Nov 27, 2023Observed: 4.28 ft at 12:45PM Nov 27, 2023Observed: 4.28 ft at 1:00PM Nov 27, 2023Observed: 4.28 ft at 1:15PM Nov 27, 2023Observed: 4.28 ft at 1:30PM Nov 27, 2023Observed: 4.28 ft at 1:45PM Nov 27, 2023Observed: 4.28 ft at 2:00PM Nov 27, 2023Observed: 4.28 ft at 2:15PM Nov 27, 2023Observed: 4.28 ft at 2:30PM Nov 27, 2023Observed: 4.28 ft at 2:45PM Nov 27, 2023Observed: 4.28 ft at 3:00PM Nov 27, 2023Observed: 4.28 ft at 3:15PM Nov 27, 2023Observed: 4.28 ft at 3:30PM Nov 27, 2023Observed: 4.28 ft at 3:45PM Nov 27, 2023Observed: 4.28 ft at 4:00PM Nov 27, 2023Observed: 4.28 ft at 4:15PM Nov 27, 2023Observed: 4.28 ft at 4:30PM Nov 27, 2023Observed: 4.28 ft at 4:45PM Nov 27, 2023Observed: 4.28 ft at 5:00PM Nov 27, 2023Observed: 4.28 ft at 5:15PM Nov 27, 2023Observed: 4.28 ft at 5:30PM Nov 27, 2023Observed: 4.28 ft at 5:45PM Nov 27, 2023Observed: 4.28 ft at 6:00PM Nov 27, 2023Observed: 4.28 ft at 6:15PM Nov 27, 2023Observed: 4.28 ft at 6:30PM Nov 27, 2023Observed: 4.28 ft at 6:45PM Nov 27, 2023Observed: 4.28 ft at 7:00PM Nov 27, 2023Observed: 4.28 ft at 7:15PM Nov 27, 2023Observed: 4.28 ft at 7:30PM Nov 27, 2023Observed: 4.28 ft at 7:45PM Nov 27, 2023Observed: 4.28 ft at 8:00PM Nov 27, 2023Observed: 4.28 ft at 8:15PM Nov 27, 2023Observed: 4.28 ft at 8:30PM Nov 27, 2023Observed: 4.28 ft at 8:45PM Nov 27, 2023Observed: 4.28 ft at 9:00PM Nov 27, 2023Observed: 4.28 ft at 9:15PM Nov 27, 2023Observed: 4.28 ft at 9:30PM Nov 27, 2023Observed: 4.28 ft at 9:45PM Nov 27, 2023Observed: 4.28 ft at 10:00PM Nov 27, 2023Observed: 4.28 ft at 10:15PM Nov 27, 2023Observed: 4.28 ft at 10:30PM Nov 27, 2023Observed: 4.28 ft at 10:45PM Nov 27, 2023Observed: 4.28 ft at 11:00PM Nov 27, 2023Observed: 4.28 ft at 11:15PM Nov 27, 2023Observed: 4.28 ft at 11:30PM Nov 27, 2023Observed: 4.28 ft at 11:45PM Nov 27, 2023Observed: 4.28 ft at 12:00AM Nov 28, 2023Observed: 4.28 ft at 12:15AM Nov 28, 2023Observed: 4.28 ft at 12:30AM Nov 28, 2023Observed: 4.28 ft at 12:45AM Nov 28, 2023Observed: 4.28 ft at 1:00AM Nov 28, 2023Observed: 4.28 ft at 1:15AM Nov 28, 2023Observed: 4.28 ft at 1:30AM Nov 28, 2023Observed: 4.28 ft at 1:45AM Nov 28, 2023Observed: 4.28 ft at 2:00AM Nov 28, 2023Observed: 4.28 ft at 2:15AM Nov 28, 2023Observed: 4.28 ft at 2:30AM Nov 28, 2023Observed: 4.28 ft at 2:45AM Nov 28, 2023Observed: 4.28 ft at 3:00AM Nov 28, 2023Observed: 4.28 ft at 3:15AM Nov 28, 2023Observed: 4.28 ft at 3:30AM Nov 28, 2023Observed: 4.28 ft at 3:45AM Nov 28, 2023Observed: 4.28 ft at 4:00AM Nov 28, 2023Observed: 4.28 ft at 4:15AM Nov 28, 2023Observed: 4.28 ft at 4:30AM Nov 28, 2023Observed: 4.28 ft at 4:45AM Nov 28, 2023Observed: 4.28 ft at 5:00AM Nov 28, 2023Observed: 4.28 ft at 5:15AM Nov 28, 2023Observed: 4.28 ft at 5:30AM Nov 28, 2023Observed: 4.28 ft at 5:45AM Nov 28, 2023Observed: 4.28 ft at 6:00AM Nov 28, 2023Observed: 4.28 ft at 6:15AM Nov 28, 2023Observed: 4.28 ft at 6:30AM Nov 28, 2023Observed: 4.28 ft at 6:45AM Nov 28, 2023Observed: 4.28 ft at 7:00AM Nov 28, 2023Observed: 4.28 ft at 7:15AM Nov 28, 2023Observed: 4.28 ft at 7:30AM Nov 28, 2023Observed: 4.28 ft at 7:45AM Nov 28, 2023Observed: 4.28 ft at 8:00AM Nov 28, 2023Observed: 4.28 ft at 8:15AM Nov 28, 2023Observed: 4.28 ft at 8:30AM Nov 28, 2023Observed: 4.28 ft at 8:45AM Nov 28, 2023Observed: 4.28 ft at 9:00AM Nov 28, 2023Observed: 4.28 ft at 9:15AM Nov 28, 2023Observed: 4.28 ft at 9:30AM Nov 28, 2023Observed: 4.28 ft at 9:45AM Nov 28, 2023Observed: 4.28 ft at 10:00AM Nov 28, 2023Observed: 4.28 ft at 10:15AM Nov 28, 2023Observed: 4.28 ft at 10:30AM Nov 28, 2023Observed: 4.28 ft at 10:45AM Nov 28, 2023Observed: 4.28 ft at 11:00AM Nov 28, 2023Observed: 4.28 ft at 11:15AM Nov 28, 2023Observed: 4.28 ft at 11:30AM Nov 28, 2023Observed: 4.28 ft at 11:45AM Nov 28, 2023Observed: 4.28 ft at 12:00PM Nov 28, 2023Observed: 4.28 ft at 12:15PM Nov 28, 2023Observed: 4.28 ft at 12:30PM Nov 28, 2023Observed: 4.29 ft at 12:45PM Nov 28, 2023Observed: 4.29 ft at 1:00PM Nov 28, 2023Observed: 4.29 ft at 1:15PM Nov 28, 2023Observed: 4.29 ft at 1:30PM Nov 28, 2023Observed: 4.29 ft at 1:45PM Nov 28, 2023Observed: 4.29 ft at 2:00PM Nov 28, 2023Observed: 4.29 ft at 2:15PM Nov 28, 2023Observed: 4.29 ft at 2:30PM Nov 28, 2023Observed: 4.29 ft at 2:45PM Nov 28, 2023Observed: 4.29 ft at 3:00PM Nov 28, 2023Observed: 4.29 ft at 3:15PM Nov 28, 2023Observed: 4.29 ft at 3:30PM Nov 28, 2023Observed: 4.29 ft at 3:45PM Nov 28, 2023Observed: 4.29 ft at 4:00PM Nov 28, 2023Observed: 4.29 ft at 4:15PM Nov 28, 2023Observed: 4.29 ft at 4:30PM Nov 28, 2023Observed: 4.29 ft at 4:45PM Nov 28, 2023Observed: 4.29 ft at 5:00PM Nov 28, 2023Observed: 4.29 ft at 5:15PM Nov 28, 2023Observed: 4.29 ft at 5:30PM Nov 28, 2023Observed: 4.29 ft at 5:45PM Nov 28, 2023Observed: 4.29 ft at 6:00PM Nov 28, 2023Observed: 4.29 ft at 6:15PM Nov 28, 2023Observed: 4.29 ft at 6:30PM Nov 28, 2023Observed: 4.29 ft at 6:45PM Nov 28, 2023Observed: 4.29 ft at 7:00PM Nov 28, 2023Observed: 4.29 ft at 7:15PM Nov 28, 2023Observed: 4.29 ft at 7:30PM Nov 28, 2023Observed: 4.29 ft at 7:45PM Nov 28, 2023Observed: 4.29 ft at 8:00PM Nov 28, 2023Observed: 4.29 ft at 8:15PM Nov 28, 2023Observed: 4.29 ft at 8:30PM Nov 28, 2023Observed: 4.29 ft at 8:45PM Nov 28, 2023Observed: 4.29 ft at 9:00PM Nov 28, 2023Observed: 4.29 ft at 9:15PM Nov 28, 2023Observed: 4.29 ft at 9:30PM Nov 28, 2023Observed: 4.29 ft at 9:45PM Nov 28, 2023Observed: 4.29 ft at 10:00PM Nov 28, 2023Observed: 4.29 ft at 10:15PM Nov 28, 2023Observed: 4.29 ft at 10:30PM Nov 28, 2023Observed: 4.29 ft at 10:45PM Nov 28, 2023Observed: 4.29 ft at 11:00PM Nov 28, 2023Observed: 4.29 ft at 11:15PM Nov 28, 2023Observed: 4.29 ft at 11:30PM Nov 28, 2023Observed: 4.3 ft at 11:45PM Nov 28, 2023Observed: 4.31 ft at 12:00AM Nov 29, 2023Observed: 4.33 ft at 12:15AM Nov 29, 2023Observed: 4.36 ft at 12:30AM Nov 29, 2023Observed: 4.36 ft at 12:45AM Nov 29, 2023Observed: 4.36 ft at 1:00AM Nov 29, 2023Observed: 4.36 ft at 1:15AM Nov 29, 2023Observed: 4.35 ft at 1:30AM Nov 29, 2023Observed: 4.35 ft at 1:45AM Nov 29, 2023Observed: 4.36 ft at 2:00AM Nov 29, 2023Observed: 4.44 ft at 2:15AM Nov 29, 2023Observed: 4.52 ft at 2:30AM Nov 29, 2023Observed: 4.57 ft at 2:45AM Nov 29, 2023Observed: 4.59 ft at 3:00AM Nov 29, 2023Observed: 4.57 ft at 3:15AM Nov 29, 2023Observed: 4.53 ft at 3:30AM Nov 29, 2023Observed: 4.5 ft at 3:45AM Nov 29, 2023Observed: 4.47 ft at 4:00AM Nov 29, 2023Observed: 4.47 ft at 4:15AM Nov 29, 2023Observed: 4.52 ft at 4:30AM Nov 29, 2023Observed: 4.59 ft at 4:45AM Nov 29, 2023Observed: 4.64 ft at 5:00AM Nov 29, 2023Observed: 4.65 ft at 5:15AM Nov 29, 2023Observed: 4.64 ft at 5:30AM Nov 29, 2023Observed: 4.63 ft at 5:45AM Nov 29, 2023Observed: 4.62 ft at 6:00AM Nov 29, 2023Observed: 4.59 ft at 6:15AM Nov 29, 2023Observed: 4.57 ft at 6:30AM Nov 29, 2023Observed: 4.59 ft at 6:45AM Nov 29, 2023Observed: 4.64 ft at 7:00AM Nov 29, 2023Observed: 4.67 ft at 7:15AM Nov 29, 2023Observed: 4.85 ft at 7:30AM Nov 29, 2023Highest Observation: 4.96 ft at 7:45AM Nov 29, 2023Observed: 4.9 ft at 8:00AM Nov 29, 2023Observed: 4.87 ft at 8:15AM Nov 29, 2023Observed: 4.87 ft at 8:30AM Nov 29, 2023Observed: 4.87 ft at 8:45AM Nov 29, 2023Observed: 4.87 ft at 9:00AM Nov 29, 2023Observed: 4.86 ft at 9:15AM Nov 29, 2023Observed: 4.86 ft at 9:30AM Nov 29, 2023Observed: 4.84 ft at 9:45AM Nov 29, 2023Observed: 4.81 ft at 10:00AM Nov 29, 2023Observed: 4.78 ft at 10:15AM Nov 29, 2023Observed: 4.74 ft at 10:30AM Nov 29, 2023Observed: 4.7 ft at 10:45AM Nov 29, 2023Observed: 4.67 ft at 11:00AM Nov 29, 2023Observed: 4.64 ft at 11:15AM Nov 29, 2023Observed: 4.62 ft at 11:30AM Nov 29, 2023Observed: 4.6 ft at 11:45AM Nov 29, 2023Observed: 4.6 ft at 12:00PM Nov 29, 2023Observed: 4.6 ft at 12:15PM Nov 29, 2023Observed: 4.58 ft at 12:30PM Nov 29, 2023Observed: 4.56 ft at 12:45PM Nov 29, 2023Observed: 4.54 ft at 1:00PM Nov 29, 2023Observed: 4.52 ft at 1:15PM Nov 29, 2023Observed: 4.51 ft at 1:30PM Nov 29, 2023Observed: 4.49 ft at 1:45PM Nov 29, 2023Observed: 4.48 ft at 2:00PM Nov 29, 2023Observed: 4.47 ft at 2:15PM Nov 29, 2023Observed: 4.46 ft at 2:30PM Nov 29, 2023Observed: 4.45 ft at 2:45PM Nov 29, 2023Observed: 4.44 ft at 3:00PM Nov 29, 2023Observed: 4.43 ft at 3:15PM Nov 29, 2023Observed: 4.42 ft at 3:30PM Nov 29, 2023Observed: 4.42 ft at 3:45PM Nov 29, 2023Observed: 4.41 ft at 4:00PM Nov 29, 2023Observed: 4.41 ft at 4:15PM Nov 29, 2023Observed: 4.4 ft at 4:30PM Nov 29, 2023Observed: 4.39 ft at 4:45PM Nov 29, 2023Observed: 4.39 ft at 5:00PM Nov 29, 2023Observed: 4.38 ft at 5:15PM Nov 29, 2023Observed: 4.38 ft at 5:30PM Nov 29, 2023Observed: 4.37 ft at 5:45PM Nov 29, 2023Observed: 4.37 ft at 6:00PM Nov 29, 2023Observed: 4.37 ft at 6:15PM Nov 29, 2023Observed: 4.36 ft at 6:30PM Nov 29, 2023Observed: 4.36 ft at 6:45PM Nov 29, 2023Observed: 4.36 ft at 7:00PM Nov 29, 2023Observed: 4.35 ft at 7:15PM Nov 29, 2023Observed: 4.35 ft at 7:30PM Nov 29, 2023Observed: 4.35 ft at 7:45PM Nov 29, 2023Observed: 4.34 ft at 8:00PM Nov 29, 2023Observed: 4.34 ft at 8:15PM Nov 29, 2023Observed: 4.34 ft at 8:30PM Nov 29, 2023Observed: 4.34 ft at 8:45PM Nov 29, 2023Observed: 4.33 ft at 9:00PM Nov 29, 2023Observed: 4.33 ft at 9:15PM Nov 29, 2023Observed: 4.33 ft at 9:30PM Nov 29, 2023Observed: 4.33 ft at 9:45PM Nov 29, 2023Observed: 4.33 ft at 10:00PM Nov 29, 2023Observed: 4.32 ft at 10:15PM Nov 29, 2023Observed: 4.32 ft at 10:30PM Nov 29, 2023Observed: 4.32 ft at 10:45PM Nov 29, 2023Observed: 4.32 ft at 11:00PM Nov 29, 2023Observed: 4.32 ft at 11:15PM Nov 29, 2023Observed: 4.32 ft at 11:30PM Nov 29, 2023Observed: 4.32 ft at 11:45PM Nov 29, 2023Observed: 4.31 ft at 12:00AM Nov 30, 2023Observed: 4.31 ft at 12:15AM Nov 30, 2023Observed: 4.31 ft at 12:30AM Nov 30, 2023Observed: 4.31 ft at 12:45AM Nov 30, 2023Observed: 4.31 ft at 1:00AM Nov 30, 2023Observed: 4.31 ft at 1:15AM Nov 30, 2023Observed: 4.3 ft at 1:30AM Nov 30, 2023Observed: 4.3 ft at 1:45AM Nov 30, 2023Observed: 4.3 ft at 2:00AM Nov 30, 2023Observed: 4.3 ft at 2:15AM Nov 30, 2023Observed: 4.3 ft at 2:30AM Nov 30, 2023Observed: 4.3 ft at 2:45AM Nov 30, 2023Observed: 4.3 ft at 3:00AM Nov 30, 2023Observed: 4.3 ft at 3:15AM Nov 30, 2023Observed: 4.3 ft at 3:30AM Nov 30, 2023Observed: 4.3 ft at 3:45AM Nov 30, 2023Observed: 4.29 ft at 4:00AM Nov 30, 2023Observed: 4.29 ft at 4:15AM Nov 30, 2023Observed: 4.29 ft at 4:30AM Nov 30, 2023Observed: 4.29 ft at 4:45AM Nov 30, 2023Observed: 4.29 ft at 5:00AM Nov 30, 2023Observed: 4.29 ft at 5:15AM Nov 30, 2023Observed: 4.29 ft at 5:30AM Nov 30, 2023Observed: 4.29 ft at 5:45AM Nov 30, 2023Observed: 4.29 ft at 6:00AM Nov 30, 2023Observed: 4.29 ft at 6:15AM Nov 30, 2023Observed: 4.29 ft at 6:30AM Nov 30, 2023Observed: 4.29 ft at 6:45AM Nov 30, 2023Observed: 4.29 ft at 7:00AM Nov 30, 2023Observed: 4.29 ft at 7:15AM Nov 30, 2023Observed: 4.29 ft at 7:30AM Nov 30, 2023Observed: 4.28 ft at 7:45AM Nov 30, 2023Observed: 4.28 ft at 8:00AM Nov 30, 2023Observed: 4.28 ft at 8:15AM Nov 30, 2023Observed: 4.28 ft at 8:30AM Nov 30, 2023Observed: 4.28 ft at 8:45AM Nov 30, 2023Observed: 4.28 ft at 9:00AM Nov 30, 2023Observed: 4.28 ft at 9:15AM Nov 30, 2023Observed: 4.28 ft at 9:30AM Nov 30, 2023Observed: 4.28 ft at 9:45AM Nov 30, 2023Observed: 4.28 ft at 10:00AM Nov 30, 2023Observed: 4.29 ft at 10:15AM Nov 30, 2023Observed: 4.28 ft at 10:30AM Nov 30, 2023Observed: 4.28 ft at 10:45AM Nov 30, 2023Observed: 4.28 ft at 11:00AM Nov 30, 2023Observed: 4.28 ft at 11:15AM Nov 30, 2023Observed: 4.28 ft at 11:30AM Nov 30, 2023Observed: 4.28 ft at 11:45AM Nov 30, 2023Observed: 4.28 ft at 12:00PM Nov 30, 2023Observed: 4.28 ft at 12:15PM Nov 30, 2023Observed: 4.28 ft at 12:30PM Nov 30, 2023Observed: 4.28 ft at 12:45PM Nov 30, 2023Observed: 4.28 ft at 1:00PM Nov 30, 2023Observed: 4.28 ft at 1:15PM Nov 30, 2023Observed: 4.28 ft at 1:30PM Nov 30, 2023Observed: 4.29 ft at 1:45PM Nov 30, 2023Observed: 4.29 ft at 2:00PM Nov 30, 2023Observed: 4.29 ft at 2:15PM Nov 30, 2023Observed: 4.3 ft at 2:30PM Nov 30, 2023Observed: 4.3 ft at 2:45PM Nov 30, 2023Observed: 4.3 ft at 3:00PM Nov 30, 2023Observed: 4.3 ft at 3:15PM Nov 30, 2023Observed: 4.3 ft at 3:30PM Nov 30, 2023Observed: 4.3 ft at 3:45PM Nov 30, 2023Observed: 4.3 ft at 4:00PM Nov 30, 2023Observed: 4.3 ft at 4:15PM Nov 30, 2023Observed: 4.3 ft at 4:30PM Nov 30, 2023Observed: 4.3 ft at 4:45PM Nov 30, 2023Observed: 4.3 ft at 5:00PM Nov 30, 2023Observed: 4.3 ft at 5:15PM Nov 30, 2023Observed: 4.3 ft at 5:30PM Nov 30, 2023Observed: 4.3 ft at 5:45PM Nov 30, 2023Observed: 4.3 ft at 6:00PM Nov 30, 2023Observed: 4.3 ft at 6:15PM Nov 30, 2023Observed: 4.3 ft at 6:30PM Nov 30, 2023Observed: 4.3 ft at 6:45PM Nov 30, 2023Observed: 4.3 ft at 7:00PM Nov 30, 2023Observed: 4.3 ft at 7:15PM Nov 30, 2023Observed: 4.3 ft at 7:30PM Nov 30, 2023Observed: 4.3 ft at 7:45PM Nov 30, 2023Observed: 4.3 ft at 8:00PM Nov 30, 2023Observed: 4.3 ft at 8:15PM Nov 30, 2023Observed: 4.3 ft at 8:30PM Nov 30, 2023Observed: 4.3 ft at 8:45PM Nov 30, 2023Observed: 4.3 ft at 9:00PM Nov 30, 2023Observed: 4.3 ft at 9:15PM Nov 30, 2023Observed: 4.3 ft at 9:30PM Nov 30, 2023Observed: 4.3 ft at 9:45PM Nov 30, 2023Observed: 4.3 ft at 10:00PM Nov 30, 2023Observed: 4.3 ft at 10:15PM Nov 30, 2023Observed: 4.3 ft at 10:30PM Nov 30, 2023Observed: 4.3 ft at 10:45PM Nov 30, 2023Observed: 4.3 ft at 11:00PM Nov 30, 2023Observed: 4.3 ft at 11:15PM Nov 30, 2023Observed: 4.3 ft at 11:30PM Nov 30, 2023Observed: 4.3 ft at 11:45PM Nov 30, 2023Observed: 4.3 ft at 12:00AM Dec 01, 2023Observed: 4.3 ft at 12:15AM Dec 01, 2023Observed: 4.3 ft at 12:30AM Dec 01, 2023Observed: 4.3 ft at 12:45AM Dec 01, 2023Observed: 4.3 ft at 1:00AM Dec 01, 2023Observed: 4.3 ft at 1:15AM Dec 01, 2023Observed: 4.3 ft at 1:30AM Dec 01, 2023Observed: 4.3 ft at 1:45AM Dec 01, 2023Observed: 4.3 ft at 2:00AM Dec 01, 2023Observed: 4.3 ft at 2:15AM Dec 01, 2023Observed: 4.3 ft at 2:30AM Dec 01, 2023Observed: 4.3 ft at 2:45AM Dec 01, 2023Observed: 4.3 ft at 3:00AM Dec 01, 2023Observed: 4.3 ft at 3:15AM Dec 01, 2023Observed: 4.3 ft at 3:30AM Dec 01, 2023Observed: 4.3 ft at 3:45AM Dec 01, 2023Observed: 4.3 ft at 4:00AM Dec 01, 2023Observed: 4.3 ft at 4:15AM Dec 01, 2023Observed: 4.3 ft at 4:30AM Dec 01, 2023Observed: 4.3 ft at 4:45AM Dec 01, 2023Observed: 4.3 ft at 5:00AM Dec 01, 2023Observed: 4.31 ft at 5:15AM Dec 01, 2023Observed: 4.31 ft at 5:30AM Dec 01, 2023Observed: 4.3 ft at 5:45AM Dec 01, 2023Observed: 4.3 ft at 6:00AM Dec 01, 2023Observed: 4.3 ft at 6:15AM Dec 01, 2023Observed: 4.3 ft at 6:30AM Dec 01, 2023Observed: 4.3 ft at 6:45AM Dec 01, 2023Observed: 4.3 ft at 7:00AM Dec 01, 2023Observed: 4.3 ft at 7:15AM Dec 01, 2023Observed: 4.3 ft at 7:30AM Dec 01, 2023Observed: 4.3 ft at 7:45AM Dec 01, 2023Observed: 4.3 ft at 8:00AM Dec 01, 2023Observed: 4.3 ft at 8:15AM Dec 01, 2023Observed: 4.3 ft at 8:30AM Dec 01, 2023Observed: 4.3 ft at 8:45AM Dec 01, 2023Observed: 4.31 ft at 9:00AM Dec 01, 2023Observed: 4.3 ft at 9:15AM Dec 01, 2023Observed: 4.3 ft at 9:30AM Dec 01, 2023Observed: 4.3 ft at 9:45AM Dec 01, 2023Observed: 4.3 ft at 10:00AM Dec 01, 2023Observed: 4.31 ft at 10:15AM Dec 01, 2023Observed: 4.31 ft at 10:30AM Dec 01, 2023Observed: 4.31 ft at 10:45AM Dec 01, 2023Observed: 4.31 ft at 11:00AM Dec 01, 2023Observed: 4.31 ft at 11:15AM Dec 01, 2023Observed: 4.31 ft at 11:30AM Dec 01, 2023Observed: 4.31 ft at 11:45AM Dec 01, 2023Observed: 4.31 ft at 12:00PM Dec 01, 2023Observed: 4.31 ft at 12:15PM Dec 01, 2023Observed: 4.31 ft at 12:30PM Dec 01, 2023Observed: 4.31 ft at 12:45PM Dec 01, 2023Observed: 4.31 ft at 1:00PM Dec 01, 2023Observed: 4.31 ft at 1:15PM Dec 01, 2023Observed: 4.31 ft at 1:30PM Dec 01, 2023Observed: 4.31 ft at 1:45PM Dec 01, 2023Observed: 4.31 ft at 2:00PM Dec 01, 2023Observed: 4.31 ft at 2:15PM Dec 01, 2023Observed: 4.31 ft at 2:30PM Dec 01, 2023Observed: 4.31 ft at 2:45PM Dec 01, 2023Observed: 4.31 ft at 3:00PM Dec 01, 2023Observed: 4.31 ft at 3:15PM Dec 01, 2023Observed: 4.31 ft at 3:30PM Dec 01, 2023Observed: 4.31 ft at 3:45PM Dec 01, 2023Observed: 4.31 ft at 4:00PM Dec 01, 2023Observed: 4.31 ft at 4:15PM Dec 01, 2023Observed: 4.31 ft at 4:30PM Dec 01, 2023Observed: 4.31 ft at 4:45PM Dec 01, 2023Observed: 4.31 ft at 5:00PM Dec 01, 2023Observed: 4.31 ft at 5:15PM Dec 01, 2023Observed: 4.31 ft at 5:30PM Dec 01, 2023Observed: 4.31 ft at 5:45PM Dec 01, 2023Observed: 4.31 ft at 6:00PM Dec 01, 2023Observed: 4.31 ft at 6:15PM Dec 01, 2023Observed: 4.31 ft at 6:30PM Dec 01, 2023Observed: 4.31 ft at 6:45PM Dec 01, 2023Observed: 4.31 ft at 7:00PM Dec 01, 2023Observed: 4.31 ft at 7:15PM Dec 01, 2023Observed: 4.31 ft at 7:30PM Dec 01, 2023Observed: 4.31 ft at 7:45PM Dec 01, 2023Observed: 4.31 ft at 8:00PM Dec 01, 2023Observed: 4.31 ft at 8:15PM Dec 01, 2023Observed: 4.31 ft at 8:30PM Dec 01, 2023Observed: 4.31 ft at 8:45PM Dec 01, 2023Observed: 4.31 ft at 9:00PM Dec 01, 2023Observed: 4.31 ft at 9:15PM Dec 01, 2023Observed: 4.31 ft at 9:30PM Dec 01, 2023Observed: 4.31 ft at 9:45PM Dec 01, 2023Observed: 4.31 ft at 10:00PM Dec 01, 2023Observed: 4.31 ft at 10:15PM Dec 01, 2023Observed: 4.31 ft at 10:30PM Dec 01, 2023Observed: 4.31 ft at 10:45PM Dec 01, 2023Observed: 4.31 ft at 11:00PM Dec 01, 2023Observed: 4.31 ft at 11:15PM Dec 01, 2023Observed: 4.31 ft at 11:30PM Dec 01, 2023Observed: 4.31 ft at 11:45PM Dec 01, 2023Observed: 4.31 ft at 12:00AM Dec 02, 2023Observed: 4.31 ft at 12:15AM Dec 02, 2023Observed: 4.31 ft at 12:30AM Dec 02, 2023Observed: 4.31 ft at 12:45AM Dec 02, 2023Observed: 4.31 ft at 1:00AM Dec 02, 2023Observed: 4.31 ft at 1:15AM Dec 02, 2023Observed: 4.31 ft at 1:30AM Dec 02, 2023Observed: 4.31 ft at 1:45AM Dec 02, 2023Observed: 4.31 ft at 2:00AM Dec 02, 2023Observed: 4.31 ft at 2:15AM Dec 02, 2023Observed: 4.31 ft at 2:30AM Dec 02, 2023Observed: 4.31 ft at 2:45AM Dec 02, 2023Observed: 4.31 ft at 3:00AM Dec 02, 2023Observed: 4.31 ft at 3:15AM Dec 02, 2023Observed: 4.31 ft at 3:30AM Dec 02, 2023Observed: 4.31 ft at 3:45AM Dec 02, 2023Observed: 4.31 ft at 4:00AM Dec 02, 2023Observed: 4.31 ft at 4:15AM Dec 02, 2023Observed: 4.31 ft at 4:30AM Dec 02, 2023Observed: 4.31 ft at 4:45AM Dec 02, 2023Observed: 4.31 ft at 5:00AM Dec 02, 2023Observed: 4.31 ft at 5:15AM Dec 02, 2023Observed: 4.31 ft at 5:30AM Dec 02, 2023USGS--Water Resources of the United StatesCMDC1(plotting HGIRG) Graph Created (6:30AM Dec 2, 2023)ObservedLatest observed value: 4.31 ft at 5:30 AM PST 2-Dec-2023. Flood Stage is 17 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Graphical forecasts are not available for the Corte Madera Creek at Ross. 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: 23
Moderate Flood Stage: 20
Flood Stage: 17
Action Stage: 15
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:15
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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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23 Major Flood Stage. (Stage of 25.5 for co-located County ALERT stream gage.) Major flood inundation in town; travel along local roadways likely impossible and very dangerous. Major damage to local businesses and homes. Water is above guard rail on Lagunitas Road bridge.
20 Moderate Flood Stage. (Stage of 22.5 for co-located County ALERT stream gage.) Lagunitas Road bridge is overtopped, and 1 to several feet of flood waters inundate local businesses, residences, and roadways.
17 Minor Flood Stage. (Stage of 19.5 feet for co-located County ALERT stream gage.) Backwatering begins at Lagunitas Road bridge, with minor flooding near Town Hall and Fire Station. NWS will issue a Flash Flood Warning if not yet already issued.
15 Monitor Stage. (Stage of 17.5 for co-located County ALERT stream gage.) Water level is 2 feet below Lagunitas Road bridge soffit, and less than 2 feet below local storm drain inlets on adjacent roads and parking lots. NWS will issue a Flash Flood Watch if not yet already issued.
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Latitude: 37.962979° N, Longitude: 122.556922° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 17 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 7.97 ft 24.97 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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Page last modified: 2-Nov-2020 7:27 PM
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