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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 March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

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
Flat River at Smyrna Stage (ft)Observed: 3.88 ft at 5:45AM Sep 28, 2023Observed: 3.88 ft at 6:00AM Sep 28, 2023Observed: 3.88 ft at 6:15AM Sep 28, 2023Observed: 3.88 ft at 6:30AM Sep 28, 2023Observed: 3.88 ft at 6:45AM Sep 28, 2023Observed: 3.88 ft at 7:00AM Sep 28, 2023Observed: 3.88 ft at 7:15AM Sep 28, 2023Observed: 3.88 ft at 7:30AM Sep 28, 2023Observed: 3.88 ft at 7:45AM Sep 28, 2023Observed: 3.88 ft at 8:00AM Sep 28, 2023Observed: 3.88 ft at 8:15AM Sep 28, 2023Observed: 3.88 ft at 8:30AM Sep 28, 2023Observed: 3.88 ft at 8:45AM Sep 28, 2023Observed: 3.88 ft at 9:00AM Sep 28, 2023Observed: 3.88 ft at 9:15AM Sep 28, 2023Observed: 3.88 ft at 9:30AM Sep 28, 2023Observed: 3.87 ft at 9:45AM Sep 28, 2023Observed: 3.85 ft at 10:00AM Sep 28, 2023Observed: 3.84 ft at 10:15AM Sep 28, 2023Observed: 3.83 ft at 10:30AM Sep 28, 2023Observed: 3.84 ft at 10:45AM Sep 28, 2023Observed: 3.86 ft at 11:00AM Sep 28, 2023Observed: 3.88 ft at 11:15AM Sep 28, 2023Observed: 3.9 ft at 11:30AM Sep 28, 2023Observed: 3.92 ft at 11:45AM Sep 28, 2023Observed: 3.93 ft at 12:00PM Sep 28, 2023Observed: 3.94 ft at 12:15PM Sep 28, 2023Highest Observation: 3.95 ft at 12:30PM Sep 28, 2023Highest Observation: 3.95 ft at 12:45PM Sep 28, 2023Highest Observation: 3.95 ft at 1:00PM Sep 28, 2023Highest Observation: 3.95 ft at 1:15PM Sep 28, 2023Highest Observation: 3.95 ft at 1:30PM Sep 28, 2023Highest Observation: 3.95 ft at 1:45PM Sep 28, 2023Observed: 3.94 ft at 2:00PM Sep 28, 2023Observed: 3.94 ft at 2:15PM Sep 28, 2023Observed: 3.93 ft at 2:30PM Sep 28, 2023Observed: 3.93 ft at 2:45PM Sep 28, 2023Observed: 3.93 ft at 3:00PM Sep 28, 2023Observed: 3.92 ft at 3:15PM Sep 28, 2023Observed: 3.92 ft at 3:30PM Sep 28, 2023Observed: 3.92 ft at 3:45PM Sep 28, 2023Observed: 3.91 ft at 4:00PM Sep 28, 2023Observed: 3.91 ft at 4:15PM Sep 28, 2023Observed: 3.91 ft at 4:30PM Sep 28, 2023Observed: 3.91 ft at 4:45PM Sep 28, 2023Observed: 3.91 ft at 5:00PM Sep 28, 2023Observed: 3.9 ft at 5:15PM Sep 28, 2023Observed: 3.9 ft at 5:30PM Sep 28, 2023Observed: 3.9 ft at 5:45PM Sep 28, 2023Observed: 3.9 ft at 6:00PM Sep 28, 2023Observed: 3.9 ft at 6:15PM Sep 28, 2023Observed: 3.9 ft at 6:30PM Sep 28, 2023Observed: 3.89 ft at 6:45PM Sep 28, 2023Observed: 3.89 ft at 7:00PM Sep 28, 2023Observed: 3.88 ft at 7:15PM Sep 28, 2023Observed: 3.86 ft at 7:30PM Sep 28, 2023Observed: 3.85 ft at 7:45PM Sep 28, 2023Observed: 3.84 ft at 8:00PM Sep 28, 2023Observed: 3.83 ft at 8:15PM Sep 28, 2023Observed: 3.82 ft at 8:30PM Sep 28, 2023Observed: 3.82 ft at 8:45PM Sep 28, 2023Observed: 3.82 ft at 9:00PM Sep 28, 2023Observed: 3.82 ft at 9:15PM Sep 28, 2023Observed: 3.82 ft at 9:30PM Sep 28, 2023Observed: 3.82 ft at 9:45PM Sep 28, 2023Observed: 3.82 ft at 10:00PM Sep 28, 2023Observed: 3.83 ft at 10:15PM Sep 28, 2023Observed: 3.83 ft at 10:30PM Sep 28, 2023Observed: 3.84 ft at 10:45PM Sep 28, 2023Observed: 3.84 ft at 11:00PM Sep 28, 2023Observed: 3.84 ft at 11:15PM Sep 28, 2023Observed: 3.84 ft at 11:30PM Sep 28, 2023Observed: 3.85 ft at 11:45PM Sep 28, 2023Observed: 3.85 ft at 12:00AM Sep 29, 2023Observed: 3.85 ft at 12:15AM Sep 29, 2023Observed: 3.85 ft at 12:30AM Sep 29, 2023Observed: 3.86 ft at 12:45AM Sep 29, 2023Observed: 3.86 ft at 1:00AM Sep 29, 2023Observed: 3.86 ft at 1:15AM Sep 29, 2023Observed: 3.86 ft at 1:30AM Sep 29, 2023Observed: 3.86 ft at 1:45AM Sep 29, 2023Observed: 3.87 ft at 2:00AM Sep 29, 2023Observed: 3.87 ft at 2:15AM Sep 29, 2023Observed: 3.87 ft at 2:30AM Sep 29, 2023Observed: 3.87 ft at 2:45AM Sep 29, 2023Observed: 3.87 ft at 3:00AM Sep 29, 2023Observed: 3.87 ft at 3:15AM Sep 29, 2023Observed: 3.87 ft at 3:30AM Sep 29, 2023Observed: 3.87 ft at 3:45AM Sep 29, 2023Observed: 3.87 ft at 4:00AM Sep 29, 2023Observed: 3.87 ft at 4:15AM Sep 29, 2023Observed: 3.87 ft at 4:30AM Sep 29, 2023Observed: 3.88 ft at 4:45AM Sep 29, 2023Observed: 3.88 ft at 5:00AM Sep 29, 2023Observed: 3.88 ft at 5:15AM Sep 29, 2023Observed: 3.88 ft at 5:30AM Sep 29, 2023Observed: 3.88 ft at 5:45AM Sep 29, 2023Observed: 3.88 ft at 6:00AM Sep 29, 2023Observed: 3.88 ft at 6:15AM Sep 29, 2023Observed: 3.88 ft at 6:30AM Sep 29, 2023Observed: 3.88 ft at 6:45AM Sep 29, 2023Observed: 3.88 ft at 7:00AM Sep 29, 2023Observed: 3.88 ft at 7:15AM Sep 29, 2023Observed: 3.88 ft at 7:30AM Sep 29, 2023Observed: 3.88 ft at 7:45AM Sep 29, 2023Observed: 3.88 ft at 8:00AM Sep 29, 2023Observed: 3.88 ft at 8:15AM Sep 29, 2023Observed: 3.88 ft at 8:30AM Sep 29, 2023Observed: 3.88 ft at 8:45AM Sep 29, 2023Observed: 3.88 ft at 9:00AM Sep 29, 2023Observed: 3.88 ft at 9:15AM Sep 29, 2023Observed: 3.88 ft at 9:30AM Sep 29, 2023Observed: 3.88 ft at 9:45AM Sep 29, 2023Observed: 3.88 ft at 10:00AM Sep 29, 2023Observed: 3.88 ft at 10:15AM Sep 29, 2023Observed: 3.88 ft at 10:30AM Sep 29, 2023Observed: 3.88 ft at 10:45AM Sep 29, 2023Observed: 3.88 ft at 11:00AM Sep 29, 2023Observed: 3.88 ft at 11:15AM Sep 29, 2023Observed: 3.88 ft at 11:30AM Sep 29, 2023Observed: 3.88 ft at 11:45AM Sep 29, 2023Observed: 3.88 ft at 12:00PM Sep 29, 2023Observed: 3.88 ft at 12:15PM Sep 29, 2023Observed: 3.87 ft at 12:30PM Sep 29, 2023Observed: 3.87 ft at 12:45PM Sep 29, 2023Observed: 3.88 ft at 1:00PM Sep 29, 2023Observed: 3.87 ft at 1:15PM Sep 29, 2023Observed: 3.87 ft at 1:30PM Sep 29, 2023Observed: 3.87 ft at 1:45PM Sep 29, 2023Observed: 3.87 ft at 2:00PM Sep 29, 2023Observed: 3.87 ft at 2:15PM Sep 29, 2023Observed: 3.87 ft at 2:30PM Sep 29, 2023Observed: 3.87 ft at 2:45PM Sep 29, 2023Observed: 3.87 ft at 3:00PM Sep 29, 2023Observed: 3.87 ft at 3:15PM Sep 29, 2023Observed: 3.87 ft at 3:30PM Sep 29, 2023Observed: 3.87 ft at 3:45PM Sep 29, 2023Observed: 3.87 ft at 4:00PM Sep 29, 2023Observed: 3.87 ft at 4:15PM Sep 29, 2023Observed: 3.87 ft at 4:30PM Sep 29, 2023Observed: 3.87 ft at 4:45PM Sep 29, 2023Observed: 3.87 ft at 5:00PM Sep 29, 2023Observed: 3.87 ft at 5:15PM Sep 29, 2023Observed: 3.87 ft at 5:30PM Sep 29, 2023Observed: 3.87 ft at 5:45PM Sep 29, 2023Observed: 3.87 ft at 6:00PM Sep 29, 2023Observed: 3.87 ft at 6:15PM Sep 29, 2023Observed: 3.87 ft at 6:30PM Sep 29, 2023Observed: 3.87 ft at 6:45PM Sep 29, 2023Observed: 3.87 ft at 7:00PM Sep 29, 2023Observed: 3.87 ft at 7:15PM Sep 29, 2023Observed: 3.87 ft at 7:30PM Sep 29, 2023Observed: 3.87 ft at 7:45PM Sep 29, 2023Observed: 3.87 ft at 8:00PM Sep 29, 2023Observed: 3.87 ft at 8:15PM Sep 29, 2023Observed: 3.86 ft at 8:30PM Sep 29, 2023Observed: 3.87 ft at 8:45PM Sep 29, 2023Observed: 3.87 ft at 9:00PM Sep 29, 2023Observed: 3.87 ft at 9:15PM Sep 29, 2023Observed: 3.87 ft at 9:30PM Sep 29, 2023Observed: 3.87 ft at 9:45PM Sep 29, 2023Observed: 3.87 ft at 10:00PM Sep 29, 2023Observed: 3.87 ft at 10:15PM Sep 29, 2023Observed: 3.87 ft at 10:30PM Sep 29, 2023Observed: 3.87 ft at 10:45PM Sep 29, 2023Observed: 3.87 ft at 11:00PM Sep 29, 2023Observed: 3.87 ft at 11:15PM Sep 29, 2023Observed: 3.87 ft at 11:30PM Sep 29, 2023Observed: 3.87 ft at 11:45PM Sep 29, 2023Observed: 3.87 ft at 12:00AM Sep 30, 2023Observed: 3.87 ft at 12:15AM Sep 30, 2023Observed: 3.87 ft at 12:30AM Sep 30, 2023Observed: 3.86 ft at 12:45AM Sep 30, 2023Observed: 3.86 ft at 1:00AM Sep 30, 2023Observed: 3.86 ft at 1:15AM Sep 30, 2023Observed: 3.87 ft at 1:30AM Sep 30, 2023Observed: 3.86 ft at 1:45AM Sep 30, 2023Observed: 3.86 ft at 2:00AM Sep 30, 2023Observed: 3.86 ft at 2:15AM Sep 30, 2023Observed: 3.86 ft at 2:30AM Sep 30, 2023Observed: 3.86 ft at 2:45AM Sep 30, 2023Observed: 3.86 ft at 3:00AM Sep 30, 2023Observed: 3.86 ft at 3:15AM Sep 30, 2023Observed: 3.86 ft at 3:30AM Sep 30, 2023Observed: 3.86 ft at 3:45AM Sep 30, 2023Observed: 3.86 ft at 4:00AM Sep 30, 2023Observed: 3.86 ft at 4:15AM Sep 30, 2023Observed: 3.86 ft at 4:30AM Sep 30, 2023Observed: 3.86 ft at 4:45AM Sep 30, 2023Observed: 3.86 ft at 5:00AM Sep 30, 2023Observed: 3.86 ft at 5:15AM Sep 30, 2023Observed: 3.86 ft at 5:30AM Sep 30, 2023Observed: 3.86 ft at 5:45AM Sep 30, 2023Observed: 3.86 ft at 6:00AM Sep 30, 2023Observed: 3.86 ft at 6:15AM Sep 30, 2023Observed: 3.86 ft at 6:30AM Sep 30, 2023Observed: 3.86 ft at 6:45AM Sep 30, 2023Observed: 3.86 ft at 7:00AM Sep 30, 2023Observed: 3.86 ft at 7:15AM Sep 30, 2023Observed: 3.86 ft at 7:30AM Sep 30, 2023Observed: 3.86 ft at 7:45AM Sep 30, 2023Observed: 3.86 ft at 8:00AM Sep 30, 2023Observed: 3.86 ft at 8:15AM Sep 30, 2023Observed: 3.86 ft at 8:30AM Sep 30, 2023Observed: 3.86 ft at 8:45AM Sep 30, 2023Observed: 3.86 ft at 9:00AM Sep 30, 2023Observed: 3.86 ft at 9:15AM Sep 30, 2023Observed: 3.86 ft at 9:30AM Sep 30, 2023Observed: 3.86 ft at 9:45AM Sep 30, 2023Observed: 3.86 ft at 10:00AM Sep 30, 2023Observed: 3.86 ft at 10:15AM Sep 30, 2023Observed: 3.86 ft at 10:30AM Sep 30, 2023Observed: 3.86 ft at 10:45AM Sep 30, 2023Observed: 3.86 ft at 11:00AM Sep 30, 2023Observed: 3.86 ft at 11:15AM Sep 30, 2023Observed: 3.86 ft at 11:30AM Sep 30, 2023Observed: 3.86 ft at 11:45AM Sep 30, 2023Observed: 3.86 ft at 12:00PM Sep 30, 2023Observed: 3.86 ft at 12:15PM Sep 30, 2023Observed: 3.85 ft at 12:30PM Sep 30, 2023Observed: 3.86 ft at 12:45PM Sep 30, 2023Observed: 3.86 ft at 1:00PM Sep 30, 2023Observed: 3.85 ft at 1:15PM Sep 30, 2023Observed: 3.86 ft at 1:30PM Sep 30, 2023Observed: 3.86 ft at 1:45PM Sep 30, 2023Observed: 3.85 ft at 2:00PM Sep 30, 2023Observed: 3.86 ft at 2:15PM Sep 30, 2023Observed: 3.86 ft at 2:30PM Sep 30, 2023Observed: 3.85 ft at 2:45PM Sep 30, 2023Observed: 3.85 ft at 3:00PM Sep 30, 2023Observed: 3.85 ft at 3:15PM Sep 30, 2023Observed: 3.85 ft at 3:30PM Sep 30, 2023Observed: 3.85 ft at 3:45PM Sep 30, 2023Observed: 3.85 ft at 4:00PM Sep 30, 2023Observed: 3.85 ft at 4:15PM Sep 30, 2023Observed: 3.85 ft at 4:30PM Sep 30, 2023Observed: 3.85 ft at 4:45PM Sep 30, 2023Observed: 3.85 ft at 5:00PM Sep 30, 2023Observed: 3.85 ft at 5:15PM Sep 30, 2023Observed: 3.85 ft at 5:30PM Sep 30, 2023Observed: 3.85 ft at 5:45PM Sep 30, 2023Observed: 3.85 ft at 6:00PM Sep 30, 2023Observed: 3.85 ft at 6:15PM Sep 30, 2023Observed: 3.85 ft at 6:30PM Sep 30, 2023Observed: 3.85 ft at 6:45PM Sep 30, 2023Observed: 3.85 ft at 7:00PM Sep 30, 2023Observed: 3.85 ft at 7:15PM Sep 30, 2023Observed: 3.85 ft at 7:30PM Sep 30, 2023Observed: 3.85 ft at 7:45PM Sep 30, 2023Observed: 3.85 ft at 8:00PM Sep 30, 2023Observed: 3.85 ft at 8:15PM Sep 30, 2023Observed: 3.85 ft at 8:30PM Sep 30, 2023Observed: 3.85 ft at 8:45PM Sep 30, 2023Observed: 3.85 ft at 9:00PM Sep 30, 2023Observed: 3.85 ft at 9:15PM Sep 30, 2023Observed: 3.85 ft at 9:30PM Sep 30, 2023Observed: 3.85 ft at 9:45PM Sep 30, 2023Observed: 3.85 ft at 10:00PM Sep 30, 2023Observed: 3.85 ft at 10:15PM Sep 30, 2023Observed: 3.85 ft at 10:30PM Sep 30, 2023Observed: 3.85 ft at 10:45PM Sep 30, 2023Observed: 3.85 ft at 11:00PM Sep 30, 2023Observed: 3.85 ft at 11:15PM Sep 30, 2023Observed: 3.84 ft at 11:30PM Sep 30, 2023Observed: 3.84 ft at 11:45PM Sep 30, 2023Observed: 3.84 ft at 12:00AM Oct 01, 2023Observed: 3.84 ft at 12:15AM Oct 01, 2023Observed: 3.84 ft at 12:30AM Oct 01, 2023Observed: 3.84 ft at 12:45AM Oct 01, 2023Observed: 3.84 ft at 1:00AM Oct 01, 2023Observed: 3.84 ft at 1:15AM Oct 01, 2023Observed: 3.84 ft at 1:30AM Oct 01, 2023Observed: 3.84 ft at 1:45AM Oct 01, 2023Observed: 3.84 ft at 2:00AM Oct 01, 2023Observed: 3.84 ft at 2:15AM Oct 01, 2023Observed: 3.84 ft at 2:30AM Oct 01, 2023Observed: 3.84 ft at 2:45AM Oct 01, 2023Observed: 3.84 ft at 3:00AM Oct 01, 2023Observed: 3.84 ft at 3:15AM Oct 01, 2023Observed: 3.84 ft at 3:30AM Oct 01, 2023Observed: 3.84 ft at 3:45AM Oct 01, 2023Observed: 3.84 ft at 4:00AM Oct 01, 2023Observed: 3.84 ft at 4:15AM Oct 01, 2023Observed: 3.84 ft at 4:30AM Oct 01, 2023Observed: 3.84 ft at 4:45AM Oct 01, 2023Observed: 3.84 ft at 5:00AM Oct 01, 2023Observed: 3.84 ft at 5:15AM Oct 01, 2023Observed: 3.84 ft at 5:30AM Oct 01, 2023Observed: 3.84 ft at 5:45AM Oct 01, 2023Observed: 3.84 ft at 6:00AM Oct 01, 2023Observed: 3.84 ft at 6:15AM Oct 01, 2023Observed: 3.84 ft at 6:30AM Oct 01, 2023Observed: 3.83 ft at 6:45AM Oct 01, 2023Observed: 3.83 ft at 7:00AM Oct 01, 2023Observed: 3.83 ft at 7:15AM Oct 01, 2023Observed: 3.83 ft at 7:30AM Oct 01, 2023Observed: 3.83 ft at 7:45AM Oct 01, 2023Observed: 3.83 ft at 8:00AM Oct 01, 2023Observed: 3.83 ft at 8:15AM Oct 01, 2023Observed: 3.83 ft at 8:30AM Oct 01, 2023Observed: 3.83 ft at 8:45AM Oct 01, 2023Observed: 3.83 ft at 9:00AM Oct 01, 2023Observed: 3.83 ft at 9:15AM Oct 01, 2023Observed: 3.83 ft at 9:30AM Oct 01, 2023Observed: 3.83 ft at 9:45AM Oct 01, 2023Observed: 3.83 ft at 10:00AM Oct 01, 2023Observed: 3.83 ft at 10:15AM Oct 01, 2023Observed: 3.83 ft at 10:30AM Oct 01, 2023Observed: 3.83 ft at 10:45AM Oct 01, 2023Observed: 3.83 ft at 11:00AM Oct 01, 2023Observed: 3.83 ft at 11:15AM Oct 01, 2023Observed: 3.83 ft at 11:30AM Oct 01, 2023Observed: 3.83 ft at 11:45AM Oct 01, 2023Observed: 3.83 ft at 12:00PM Oct 01, 2023Observed: 3.83 ft at 12:15PM Oct 01, 2023Observed: 3.83 ft at 12:30PM Oct 01, 2023Observed: 3.83 ft at 12:45PM Oct 01, 2023Observed: 3.83 ft at 1:00PM Oct 01, 2023Observed: 3.83 ft at 1:15PM Oct 01, 2023Observed: 3.83 ft at 1:30PM Oct 01, 2023Observed: 3.83 ft at 1:45PM Oct 01, 2023Observed: 3.82 ft at 2:00PM Oct 01, 2023Observed: 3.82 ft at 2:15PM Oct 01, 2023Observed: 3.82 ft at 2:30PM Oct 01, 2023Observed: 3.82 ft at 2:45PM Oct 01, 2023Observed: 3.82 ft at 3:00PM Oct 01, 2023Observed: 3.82 ft at 3:15PM Oct 01, 2023Observed: 3.82 ft at 3:30PM Oct 01, 2023Observed: 3.82 ft at 3:45PM Oct 01, 2023Observed: 3.82 ft at 4:00PM Oct 01, 2023Observed: 3.82 ft at 4:15PM Oct 01, 2023Observed: 3.82 ft at 4:30PM Oct 01, 2023Observed: 3.82 ft at 4:45PM Oct 01, 2023Observed: 3.82 ft at 5:00PM Oct 01, 2023Observed: 3.82 ft at 5:15PM Oct 01, 2023Observed: 3.82 ft at 5:30PM Oct 01, 2023Observed: 3.82 ft at 5:45PM Oct 01, 2023Observed: 3.82 ft at 6:00PM Oct 01, 2023Observed: 3.82 ft at 6:15PM Oct 01, 2023Observed: 3.82 ft at 6:30PM Oct 01, 2023Observed: 3.82 ft at 6:45PM Oct 01, 2023Observed: 3.81 ft at 7:00PM Oct 01, 2023Observed: 3.81 ft at 7:15PM Oct 01, 2023Observed: 3.81 ft at 7:30PM Oct 01, 2023Observed: 3.81 ft at 7:45PM Oct 01, 2023Observed: 3.81 ft at 8:00PM Oct 01, 2023Observed: 3.81 ft at 8:15PM Oct 01, 2023Observed: 3.81 ft at 8:30PM Oct 01, 2023Observed: 3.81 ft at 8:45PM Oct 01, 2023Observed: 3.81 ft at 9:00PM Oct 01, 2023Observed: 3.81 ft at 9:15PM Oct 01, 2023Observed: 3.81 ft at 9:30PM Oct 01, 2023Observed: 3.81 ft at 9:45PM Oct 01, 2023Observed: 3.81 ft at 10:00PM Oct 01, 2023Observed: 3.81 ft at 10:15PM Oct 01, 2023Observed: 3.81 ft at 10:30PM Oct 01, 2023Observed: 3.81 ft at 10:45PM Oct 01, 2023Observed: 3.81 ft at 11:00PM Oct 01, 2023Observed: 3.81 ft at 11:15PM Oct 01, 2023Observed: 3.81 ft at 11:30PM Oct 01, 2023Observed: 3.81 ft at 11:45PM Oct 01, 2023Observed: 3.81 ft at 12:00AM Oct 02, 2023Observed: 3.81 ft at 12:15AM Oct 02, 2023Observed: 3.81 ft at 12:30AM Oct 02, 2023Observed: 3.81 ft at 12:45AM Oct 02, 2023Observed: 3.81 ft at 1:00AM Oct 02, 2023Observed: 3.81 ft at 1:15AM Oct 02, 2023Observed: 3.81 ft at 1:30AM Oct 02, 2023Observed: 3.81 ft at 1:45AM Oct 02, 2023Observed: 3.81 ft at 2:00AM Oct 02, 2023Observed: 3.81 ft at 2:15AM Oct 02, 2023Observed: 3.81 ft at 2:30AM Oct 02, 2023Observed: 3.81 ft at 2:45AM Oct 02, 2023Observed: 3.81 ft at 3:00AM Oct 02, 2023Observed: 3.81 ft at 3:15AM Oct 02, 2023Observed: 3.81 ft at 3:30AM Oct 02, 2023Observed: 3.81 ft at 3:45AM Oct 02, 2023Observed: 3.81 ft at 4:00AM Oct 02, 2023Observed: 3.81 ft at 4:15AM Oct 02, 2023Observed: 3.81 ft at 4:30AM Oct 02, 2023Observed: 3.81 ft at 4:45AM Oct 02, 2023Observed: 3.81 ft at 5:00AM Oct 02, 2023Observed: 3.81 ft at 5:15AM Oct 02, 2023Observed: 3.81 ft at 5:30AM Oct 02, 2023Observed: 3.81 ft at 5:45AM Oct 02, 2023Observed: 3.81 ft at 6:00AM Oct 02, 2023Observed: 3.81 ft at 6:15AM Oct 02, 2023Observed: 3.81 ft at 6:30AM Oct 02, 2023Observed: 3.8 ft at 6:45AM Oct 02, 2023Observed: 3.8 ft at 7:00AM Oct 02, 2023Observed: 3.8 ft at 7:15AM Oct 02, 2023Observed: 3.8 ft at 7:30AM Oct 02, 2023Observed: 3.8 ft at 7:45AM Oct 02, 2023Observed: 3.8 ft at 8:00AM Oct 02, 2023Observed: 3.8 ft at 8:15AM Oct 02, 2023Observed: 3.8 ft at 8:30AM Oct 02, 2023Observed: 3.8 ft at 8:45AM Oct 02, 2023Observed: 3.8 ft at 9:00AM Oct 02, 2023Observed: 3.8 ft at 9:15AM Oct 02, 2023Observed: 3.8 ft at 9:30AM Oct 02, 2023Observed: 3.8 ft at 9:45AM Oct 02, 2023Observed: 3.8 ft at 10:00AM Oct 02, 2023Observed: 3.8 ft at 10:15AM Oct 02, 2023Observed: 3.8 ft at 10:30AM Oct 02, 2023Observed: 3.8 ft at 10:45AM Oct 02, 2023Observed: 3.8 ft at 11:00AM Oct 02, 2023Observed: 3.8 ft at 11:15AM Oct 02, 2023Observed: 3.8 ft at 11:30AM Oct 02, 2023Observed: 3.8 ft at 11:45AM Oct 02, 2023Observed: 3.8 ft at 12:00PM Oct 02, 2023Observed: 3.8 ft at 12:15PM Oct 02, 2023Observed: 3.8 ft at 12:30PM Oct 02, 2023Observed: 3.8 ft at 12:45PM Oct 02, 2023Observed: 3.8 ft at 1:00PM Oct 02, 2023Observed: 3.8 ft at 1:15PM Oct 02, 2023Observed: 3.8 ft at 1:30PM Oct 02, 2023Observed: 3.8 ft at 1:45PM Oct 02, 2023Observed: 3.8 ft at 2:00PM Oct 02, 2023Observed: 3.8 ft at 2:15PM Oct 02, 2023Observed: 3.8 ft at 2:30PM Oct 02, 2023Observed: 3.8 ft at 2:45PM Oct 02, 2023Observed: 3.8 ft at 3:00PM Oct 02, 2023Observed: 3.8 ft at 3:15PM Oct 02, 2023Observed: 3.8 ft at 3:30PM Oct 02, 2023Observed: 3.8 ft at 3:45PM Oct 02, 2023Observed: 3.8 ft at 4:00PM Oct 02, 2023Observed: 3.8 ft at 4:15PM Oct 02, 2023Observed: 3.8 ft at 4:30PM Oct 02, 2023Observed: 3.8 ft at 4:45PM Oct 02, 2023Observed: 3.8 ft at 5:00PM Oct 02, 2023Observed: 3.8 ft at 5:15PM Oct 02, 2023Observed: 3.8 ft at 5:30PM Oct 02, 2023Observed: 3.8 ft at 5:45PM Oct 02, 2023Observed: 3.8 ft at 6:00PM Oct 02, 2023Observed: 3.8 ft at 6:15PM Oct 02, 2023Observed: 3.8 ft at 6:30PM Oct 02, 2023Observed: 3.8 ft at 6:45PM Oct 02, 2023Observed: 3.8 ft at 7:00PM Oct 02, 2023Observed: 3.8 ft at 7:15PM Oct 02, 2023Observed: 3.8 ft at 7:30PM Oct 02, 2023Observed: 3.8 ft at 7:45PM Oct 02, 2023Observed: 3.8 ft at 8:00PM Oct 02, 2023Observed: 3.8 ft at 8:15PM Oct 02, 2023Observed: 3.8 ft at 8:30PM Oct 02, 2023Observed: 3.8 ft at 8:45PM Oct 02, 2023Observed: 3.8 ft at 9:00PM Oct 02, 2023Observed: 3.8 ft at 9:15PM Oct 02, 2023Observed: 3.8 ft at 9:30PM Oct 02, 2023Observed: 3.8 ft at 9:45PM Oct 02, 2023Observed: 3.8 ft at 10:00PM Oct 02, 2023Observed: 3.8 ft at 10:15PM Oct 02, 2023Observed: 3.8 ft at 10:30PM Oct 02, 2023Observed: 3.8 ft at 10:45PM Oct 02, 2023Observed: 3.8 ft at 11:00PM Oct 02, 2023Observed: 3.8 ft at 11:15PM Oct 02, 2023Observed: 3.8 ft at 11:30PM Oct 02, 2023Observed: 3.8 ft at 11:45PM Oct 02, 2023Observed: 3.8 ft at 12:00AM Oct 03, 2023Observed: 3.8 ft at 12:15AM Oct 03, 2023Observed: 3.8 ft at 12:30AM Oct 03, 2023Observed: 3.8 ft at 12:45AM Oct 03, 2023Observed: 3.8 ft at 1:00AM Oct 03, 2023Observed: 3.8 ft at 1:15AM Oct 03, 2023Observed: 3.8 ft at 1:30AM Oct 03, 2023Observed: 3.8 ft at 1:45AM Oct 03, 2023Observed: 3.8 ft at 2:00AM Oct 03, 2023Observed: 3.8 ft at 2:15AM Oct 03, 2023Observed: 3.8 ft at 2:30AM Oct 03, 2023Observed: 3.8 ft at 2:45AM Oct 03, 2023Observed: 3.8 ft at 3:00AM Oct 03, 2023Observed: 3.8 ft at 3:15AM Oct 03, 2023Observed: 3.8 ft at 3:30AM Oct 03, 2023Observed: 3.8 ft at 3:45AM Oct 03, 2023Observed: 3.8 ft at 4:00AM Oct 03, 2023USGS--Water Resources of the United StatesSMYM4(plotting HGIRZ) Graph Created (5:36AM Oct 3, 2023)ObservedLatest observed value: 3.8 ft at 4:00 AM EDT 3-Oct-2023. Flood Stage is 8.5 ft
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Tabular Data (UTC)
Tabular Data (EDT)
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Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Stage may be affected by ice during winter months.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Flat River at Smyrna are issued as needed during times of high water, but are not routinely available.

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Flood Categories (in feet)
Major Flood Stage: 10.5
Moderate Flood Stage: 9.5
Flood Stage: 8.5
Action Stage: 5.5
Low Stage (in feet): -9999

Historic Crests
(1) 9.05 ft on 09/13/1986
(2) 8.50 ft on 01/22/2005
(3) 7.84 ft on 12/22/2000
(4) 7.77 ft on 01/26/2005
(5) 7.72 ft on 01/16/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.73 ft on 06/28/2021
(2) 7.01 ft on 05/20/2020
(3) 6.87 ft on 03/17/2019
(4) 6.63 ft on 02/23/2018
(5) 5.86 ft on 04/07/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.30 ft on 09/09/1953

For more information on your flood risk go to www.floodsmart.gov.
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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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9.05 Expect major flooding of campground sites and evacuation of campers in Double R Ranch Campground during the camping season. Approximately a dozen homes have water in their basements.
8.5 Flooding begins to impact homes and flood basements in low lying areas along the river.
7 Expect minor flooding of about 30 Double R Ranch Campground sites and in low lying areas adjacent to the river.
6 Expect minor flooding of low lying areas adjacent to the river and Double R Ranch Campground.
5.5 River is bankfull. Overflow begins in low areas adjacent to the river.
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Latitude: 43.052809° N, Longitude: 85.264739° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8.5 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 729.14 ft 737.64 ft 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
Grand Rapids Weather Forecast Office
4899 Tim Dougherty Drive SE
Grand Rapids, MI 49512-4034
(616) 949-0643
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