Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 

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.



DID YOU KNOW... Please try our new TEST hydrograph page link at: https://preview.water.noaa.gov/gauges/abcde - Just replace “abcde” with your local hydrograph five character ID found in the lower left corner of the hydrograph.  In late March of 2024, the base URL path will become water.noaa.gov.  Feedback can be provided HERE

Hydrograph River at a Glance Download Inundation
Mapping
Blanchard River at Ottawa Stage (ft)Flow (kcfs)Observed: 4.72 ft at 7:00PM Dec 01, 2023Observed: 4.72 ft at 7:30PM Dec 01, 2023Observed: 4.73 ft at 8:00PM Dec 01, 2023Observed: 4.74 ft at 8:30PM Dec 01, 2023Observed: 4.74 ft at 9:00PM Dec 01, 2023Observed: 4.74 ft at 9:30PM Dec 01, 2023Observed: 4.75 ft at 10:00PM Dec 01, 2023Observed: 4.75 ft at 10:30PM Dec 01, 2023Observed: 4.75 ft at 11:00PM Dec 01, 2023Observed: 4.75 ft at 11:30PM Dec 01, 2023Observed: 4.75 ft at 12:00AM Dec 02, 2023Observed: 4.76 ft at 12:30AM Dec 02, 2023Observed: 4.76 ft at 1:00AM Dec 02, 2023Observed: 4.76 ft at 1:30AM Dec 02, 2023Observed: 4.76 ft at 2:00AM Dec 02, 2023Observed: 4.76 ft at 2:30AM Dec 02, 2023Observed: 4.76 ft at 3:00AM Dec 02, 2023Observed: 4.77 ft at 3:30AM Dec 02, 2023Observed: 4.77 ft at 4:00AM Dec 02, 2023Observed: 4.77 ft at 4:30AM Dec 02, 2023Observed: 4.77 ft at 5:00AM Dec 02, 2023Observed: 4.78 ft at 5:30AM Dec 02, 2023Observed: 4.78 ft at 6:00AM Dec 02, 2023Observed: 4.78 ft at 6:30AM Dec 02, 2023Observed: 4.78 ft at 7:00AM Dec 02, 2023Observed: 4.78 ft at 7:30AM Dec 02, 2023Observed: 4.78 ft at 8:00AM Dec 02, 2023Observed: 4.78 ft at 8:30AM Dec 02, 2023Observed: 4.78 ft at 9:00AM Dec 02, 2023Observed: 4.78 ft at 9:30AM Dec 02, 2023Observed: 4.78 ft at 10:00AM Dec 02, 2023Observed: 4.78 ft at 10:30AM Dec 02, 2023Observed: 4.77 ft at 11:00AM Dec 02, 2023Observed: 4.77 ft at 11:30AM Dec 02, 2023Observed: 4.77 ft at 12:00PM Dec 02, 2023Observed: 4.77 ft at 12:30PM Dec 02, 2023Observed: 4.77 ft at 1:00PM Dec 02, 2023Observed: 4.77 ft at 1:30PM Dec 02, 2023Observed: 4.77 ft at 2:00PM Dec 02, 2023Observed: 4.76 ft at 2:30PM Dec 02, 2023Observed: 4.76 ft at 3:00PM Dec 02, 2023Observed: 4.76 ft at 3:30PM Dec 02, 2023Observed: 4.76 ft at 4:00PM Dec 02, 2023Observed: 4.75 ft at 4:30PM Dec 02, 2023Observed: 4.75 ft at 5:00PM Dec 02, 2023Observed: 4.75 ft at 5:30PM Dec 02, 2023Observed: 4.75 ft at 6:00PM Dec 02, 2023Observed: 4.75 ft at 6:30PM Dec 02, 2023Observed: 4.75 ft at 7:00PM Dec 02, 2023Observed: 4.74 ft at 7:30PM Dec 02, 2023Observed: 4.74 ft at 8:00PM Dec 02, 2023Observed: 4.74 ft at 8:30PM Dec 02, 2023Observed: 4.74 ft at 9:00PM Dec 02, 2023Observed: 4.74 ft at 9:30PM Dec 02, 2023Observed: 4.74 ft at 10:00PM Dec 02, 2023Observed: 4.75 ft at 10:30PM Dec 02, 2023Observed: 4.75 ft at 11:00PM Dec 02, 2023Observed: 4.75 ft at 11:30PM Dec 02, 2023Observed: 4.75 ft at 12:00AM Dec 03, 2023Observed: 4.75 ft at 12:30AM Dec 03, 2023Observed: 4.76 ft at 1:00AM Dec 03, 2023Observed: 4.76 ft at 1:30AM Dec 03, 2023Observed: 4.76 ft at 2:00AM Dec 03, 2023Observed: 4.76 ft at 2:30AM Dec 03, 2023Observed: 4.77 ft at 3:00AM Dec 03, 2023Observed: 4.77 ft at 3:30AM Dec 03, 2023Observed: 4.77 ft at 4:00AM Dec 03, 2023Observed: 4.78 ft at 4:30AM Dec 03, 2023Observed: 4.78 ft at 5:00AM Dec 03, 2023Observed: 4.79 ft at 5:30AM Dec 03, 2023Observed: 4.79 ft at 6:00AM Dec 03, 2023Observed: 4.79 ft at 6:30AM Dec 03, 2023Observed: 4.8 ft at 7:00AM Dec 03, 2023Observed: 4.8 ft at 7:30AM Dec 03, 2023Observed: 4.81 ft at 8:00AM Dec 03, 2023Observed: 4.81 ft at 8:30AM Dec 03, 2023Observed: 4.82 ft at 9:00AM Dec 03, 2023Observed: 4.82 ft at 9:30AM Dec 03, 2023Observed: 4.83 ft at 10:00AM Dec 03, 2023Observed: 4.84 ft at 10:30AM Dec 03, 2023Observed: 4.84 ft at 11:00AM Dec 03, 2023Observed: 4.85 ft at 11:30AM Dec 03, 2023Observed: 4.86 ft at 12:00PM Dec 03, 2023Observed: 4.86 ft at 12:30PM Dec 03, 2023Observed: 4.87 ft at 1:00PM Dec 03, 2023Observed: 4.88 ft at 1:30PM Dec 03, 2023Observed: 4.88 ft at 2:00PM Dec 03, 2023Observed: 4.89 ft at 2:30PM Dec 03, 2023Observed: 4.89 ft at 3:00PM Dec 03, 2023Observed: 4.9 ft at 3:30PM Dec 03, 2023Observed: 4.9 ft at 4:00PM Dec 03, 2023Observed: 4.9 ft at 4:30PM Dec 03, 2023Observed: 4.9 ft at 5:00PM Dec 03, 2023Observed: 4.91 ft at 5:30PM Dec 03, 2023Observed: 4.91 ft at 6:00PM Dec 03, 2023Observed: 4.92 ft at 6:30PM Dec 03, 2023Observed: 4.92 ft at 7:00PM Dec 03, 2023Observed: 4.92 ft at 7:30PM Dec 03, 2023Observed: 4.92 ft at 8:00PM Dec 03, 2023Observed: 4.93 ft at 8:30PM Dec 03, 2023Observed: 4.93 ft at 9:00PM Dec 03, 2023Observed: 4.93 ft at 9:30PM Dec 03, 2023Observed: 4.93 ft at 10:00PM Dec 03, 2023Observed: 4.93 ft at 10:30PM Dec 03, 2023Highest Observation: 4.94 ft at 11:00PM Dec 03, 2023Highest Observation: 4.94 ft at 11:30PM Dec 03, 2023Highest Observation: 4.94 ft at 12:00AM Dec 04, 2023Highest Observation: 4.94 ft at 12:30AM Dec 04, 2023Highest Observation: 4.94 ft at 1:00AM Dec 04, 2023Highest Observation: 4.94 ft at 1:30AM Dec 04, 2023Observed: 4.93 ft at 2:00AM Dec 04, 2023Observed: 4.93 ft at 2:30AM Dec 04, 2023Observed: 4.93 ft at 3:00AM Dec 04, 2023Observed: 4.92 ft at 3:30AM Dec 04, 2023Observed: 4.92 ft at 4:00AM Dec 04, 2023Observed: 4.92 ft at 4:30AM Dec 04, 2023Observed: 4.92 ft at 5:00AM Dec 04, 2023Observed: 4.91 ft at 5:30AM Dec 04, 2023Observed: 4.91 ft at 6:00AM Dec 04, 2023Observed: 4.91 ft at 6:30AM Dec 04, 2023Observed: 4.91 ft at 7:00AM Dec 04, 2023Observed: 4.91 ft at 7:30AM Dec 04, 2023Observed: 4.91 ft at 8:00AM Dec 04, 2023Observed: 4.91 ft at 8:30AM Dec 04, 2023Observed: 4.91 ft at 9:00AM Dec 04, 2023Observed: 4.91 ft at 9:30AM Dec 04, 2023Observed: 4.91 ft at 10:00AM Dec 04, 2023Observed: 4.91 ft at 10:30AM Dec 04, 2023Observed: 4.91 ft at 11:00AM Dec 04, 2023Observed: 4.91 ft at 11:30AM Dec 04, 2023Observed: 4.91 ft at 12:00PM Dec 04, 2023Observed: 4.91 ft at 12:30PM Dec 04, 2023Observed: 4.92 ft at 1:00PM Dec 04, 2023Observed: 4.91 ft at 1:30PM Dec 04, 2023Observed: 4.92 ft at 2:00PM Dec 04, 2023Observed: 4.91 ft at 2:30PM Dec 04, 2023Observed: 4.91 ft at 3:00PM Dec 04, 2023Observed: 4.91 ft at 3:30PM Dec 04, 2023Observed: 4.9 ft at 4:00PM Dec 04, 2023Observed: 4.9 ft at 4:30PM Dec 04, 2023Observed: 4.9 ft at 5:00PM Dec 04, 2023Observed: 4.9 ft at 5:30PM Dec 04, 2023Observed: 4.89 ft at 6:00PM Dec 04, 2023Observed: 4.89 ft at 6:30PM Dec 04, 2023Observed: 4.89 ft at 7:00PM Dec 04, 2023Observed: 4.88 ft at 7:30PM Dec 04, 2023Observed: 4.88 ft at 8:00PM Dec 04, 2023Observed: 4.88 ft at 8:30PM Dec 04, 2023Observed: 4.88 ft at 9:00PM Dec 04, 2023Observed: 4.87 ft at 9:30PM Dec 04, 2023Observed: 4.87 ft at 10:00PM Dec 04, 2023Observed: 4.87 ft at 10:30PM Dec 04, 2023Observed: 4.86 ft at 11:00PM Dec 04, 2023Observed: 4.86 ft at 11:30PM Dec 04, 2023Observed: 4.86 ft at 12:00AM Dec 05, 2023Observed: 4.85 ft at 12:30AM Dec 05, 2023Observed: 4.85 ft at 1:00AM Dec 05, 2023Observed: 4.85 ft at 1:30AM Dec 05, 2023Observed: 4.84 ft at 2:00AM Dec 05, 2023Observed: 4.84 ft at 2:30AM Dec 05, 2023Observed: 4.84 ft at 3:00AM Dec 05, 2023Observed: 4.84 ft at 3:30AM Dec 05, 2023Observed: 4.83 ft at 4:00AM Dec 05, 2023Observed: 4.84 ft at 4:30AM Dec 05, 2023Observed: 4.84 ft at 5:00AM Dec 05, 2023Observed: 4.83 ft at 5:30AM Dec 05, 2023Observed: 4.84 ft at 6:00AM Dec 05, 2023Observed: 4.84 ft at 6:30AM Dec 05, 2023Observed: 4.84 ft at 7:00AM Dec 05, 2023Observed: 4.84 ft at 7:30AM Dec 05, 2023Observed: 4.84 ft at 8:00AM Dec 05, 2023Observed: 4.85 ft at 8:30AM Dec 05, 2023Observed: 4.85 ft at 9:00AM Dec 05, 2023Observed: 4.85 ft at 9:30AM Dec 05, 2023Observed: 4.85 ft at 10:00AM Dec 05, 2023Observed: 4.86 ft at 10:30AM Dec 05, 2023Observed: 4.86 ft at 11:00AM Dec 05, 2023Observed: 4.86 ft at 11:30AM Dec 05, 2023Observed: 4.87 ft at 12:00PM Dec 05, 2023Observed: 4.87 ft at 12:30PM Dec 05, 2023Observed: 4.87 ft at 1:00PM Dec 05, 2023Observed: 4.87 ft at 1:30PM Dec 05, 2023Observed: 4.87 ft at 2:00PM Dec 05, 2023Observed: 4.88 ft at 2:30PM Dec 05, 2023Observed: 4.88 ft at 3:00PM Dec 05, 2023Observed: 4.88 ft at 3:30PM Dec 05, 2023Observed: 4.88 ft at 4:00PM Dec 05, 2023Observed: 4.88 ft at 4:30PM Dec 05, 2023Observed: 4.88 ft at 5:00PM Dec 05, 2023Observed: 4.88 ft at 5:30PM Dec 05, 2023Observed: 4.88 ft at 6:00PM Dec 05, 2023Observed: 4.87 ft at 6:30PM Dec 05, 2023Observed: 4.87 ft at 7:00PM Dec 05, 2023Observed: 4.88 ft at 7:30PM Dec 05, 2023Observed: 4.88 ft at 8:00PM Dec 05, 2023Observed: 4.87 ft at 8:30PM Dec 05, 2023Observed: 4.87 ft at 9:00PM Dec 05, 2023Observed: 4.87 ft at 9:30PM Dec 05, 2023Observed: 4.87 ft at 10:00PM Dec 05, 2023Observed: 4.87 ft at 10:30PM Dec 05, 2023Observed: 4.88 ft at 11:00PM Dec 05, 2023Observed: 4.88 ft at 11:30PM Dec 05, 2023Observed: 4.88 ft at 12:00AM Dec 06, 2023Observed: 4.88 ft at 12:30AM Dec 06, 2023Observed: 4.88 ft at 1:00AM Dec 06, 2023Observed: 4.88 ft at 1:30AM Dec 06, 2023Observed: 4.88 ft at 2:00AM Dec 06, 2023Observed: 4.88 ft at 2:30AM Dec 06, 2023Observed: 4.88 ft at 3:00AM Dec 06, 2023Observed: 4.88 ft at 3:30AM Dec 06, 2023Observed: 4.88 ft at 4:00AM Dec 06, 2023Observed: 4.88 ft at 4:30AM Dec 06, 2023Observed: 4.88 ft at 5:00AM Dec 06, 2023Observed: 4.88 ft at 5:30AM Dec 06, 2023Observed: 4.88 ft at 6:00AM Dec 06, 2023Observed: 4.88 ft at 6:30AM Dec 06, 2023Observed: 4.88 ft at 7:00AM Dec 06, 2023Observed: 4.88 ft at 7:30AM Dec 06, 2023Observed: 4.88 ft at 8:00AM Dec 06, 2023Observed: 4.88 ft at 8:30AM Dec 06, 2023Observed: 4.88 ft at 9:00AM Dec 06, 2023Observed: 4.88 ft at 9:30AM Dec 06, 2023Observed: 4.88 ft at 10:00AM Dec 06, 2023Observed: 4.89 ft at 10:30AM Dec 06, 2023Observed: 4.89 ft at 11:00AM Dec 06, 2023Observed: 4.89 ft at 11:30AM Dec 06, 2023Observed: 4.89 ft at 12:00PM Dec 06, 2023Observed: 4.9 ft at 12:30PM Dec 06, 2023Observed: 4.9 ft at 1:00PM Dec 06, 2023Observed: 4.9 ft at 1:30PM Dec 06, 2023Observed: 4.9 ft at 2:00PM Dec 06, 2023Observed: 4.91 ft at 2:30PM Dec 06, 2023Observed: 4.91 ft at 3:00PM Dec 06, 2023Observed: 4.91 ft at 3:30PM Dec 06, 2023Observed: 4.91 ft at 4:00PM Dec 06, 2023Observed: 4.92 ft at 4:30PM Dec 06, 2023Observed: 4.92 ft at 5:00PM Dec 06, 2023Observed: 4.91 ft at 5:30PM Dec 06, 2023Observed: 4.92 ft at 6:00PM Dec 06, 2023Observed: 4.92 ft at 6:30PM Dec 06, 2023Observed: 4.92 ft at 7:00PM Dec 06, 2023Observed: 4.92 ft at 7:30PM Dec 06, 2023Observed: 4.91 ft at 8:00PM Dec 06, 2023Observed: 4.91 ft at 8:30PM Dec 06, 2023Observed: 4.91 ft at 9:00PM Dec 06, 2023Observed: 4.91 ft at 9:30PM Dec 06, 2023Observed: 4.9 ft at 10:00PM Dec 06, 2023Observed: 4.89 ft at 10:30PM Dec 06, 2023Observed: 4.89 ft at 11:00PM Dec 06, 2023Observed: 4.88 ft at 11:30PM Dec 06, 2023Observed: 4.88 ft at 12:00AM Dec 07, 2023Observed: 4.88 ft at 12:30AM Dec 07, 2023Observed: 4.87 ft at 1:00AM Dec 07, 2023Observed: 4.87 ft at 1:30AM Dec 07, 2023Observed: 4.86 ft at 2:00AM Dec 07, 2023Observed: 4.85 ft at 2:30AM Dec 07, 2023Observed: 4.85 ft at 3:00AM Dec 07, 2023Observed: 4.85 ft at 3:30AM Dec 07, 2023Observed: 4.85 ft at 4:00AM Dec 07, 2023Observed: 4.84 ft at 4:30AM Dec 07, 2023Observed: 4.84 ft at 5:00AM Dec 07, 2023Observed: 4.84 ft at 5:30AM Dec 07, 2023Observed: 4.84 ft at 6:00AM Dec 07, 2023Observed: 4.84 ft at 6:30AM Dec 07, 2023Observed: 4.84 ft at 7:00AM Dec 07, 2023Observed: 4.84 ft at 7:30AM Dec 07, 2023Observed: 4.83 ft at 8:00AM Dec 07, 2023Observed: 4.84 ft at 8:30AM Dec 07, 2023Observed: 4.83 ft at 9:00AM Dec 07, 2023Observed: 4.84 ft at 9:30AM Dec 07, 2023Observed: 4.84 ft at 10:00AM Dec 07, 2023Observed: 4.84 ft at 10:30AM Dec 07, 2023Observed: 4.84 ft at 11:00AM Dec 07, 2023Observed: 4.84 ft at 11:30AM Dec 07, 2023Observed: 4.85 ft at 12:00PM Dec 07, 2023Observed: 4.85 ft at 12:30PM Dec 07, 2023Observed: 4.85 ft at 1:00PM Dec 07, 2023Observed: 4.85 ft at 1:30PM Dec 07, 2023Observed: 4.85 ft at 2:00PM Dec 07, 2023Observed: 4.85 ft at 2:30PM Dec 07, 2023Observed: 4.85 ft at 3:00PM Dec 07, 2023Observed: 4.85 ft at 3:30PM Dec 07, 2023Observed: 4.84 ft at 4:00PM Dec 07, 2023Observed: 4.84 ft at 4:30PM Dec 07, 2023Observed: 4.84 ft at 5:00PM Dec 07, 2023Observed: 4.84 ft at 5:30PM Dec 07, 2023Observed: 4.83 ft at 6:00PM Dec 07, 2023Observed: 4.83 ft at 6:30PM Dec 07, 2023Observed: 4.83 ft at 7:00PM Dec 07, 2023Observed: 4.82 ft at 7:30PM Dec 07, 2023Observed: 4.82 ft at 8:00PM Dec 07, 2023Observed: 4.82 ft at 8:30PM Dec 07, 2023Observed: 4.82 ft at 9:00PM Dec 07, 2023Observed: 4.82 ft at 9:30PM Dec 07, 2023Observed: 4.81 ft at 10:00PM Dec 07, 2023Observed: 4.81 ft at 10:30PM Dec 07, 2023Observed: 4.81 ft at 11:00PM Dec 07, 2023Observed: 4.81 ft at 11:30PM Dec 07, 2023Observed: 4.81 ft at 12:00AM Dec 08, 2023Observed: 4.8 ft at 12:30AM Dec 08, 2023Observed: 4.8 ft at 1:00AM Dec 08, 2023Observed: 4.8 ft at 1:30AM Dec 08, 2023Observed: 4.8 ft at 2:00AM Dec 08, 2023Observed: 4.79 ft at 2:30AM Dec 08, 2023Observed: 4.79 ft at 3:00AM Dec 08, 2023Observed: 4.79 ft at 3:30AM Dec 08, 2023Observed: 4.78 ft at 4:00AM Dec 08, 2023Observed: 4.78 ft at 4:30AM Dec 08, 2023Observed: 4.78 ft at 5:00AM Dec 08, 2023Observed: 4.78 ft at 5:30AM Dec 08, 2023Observed: 4.77 ft at 6:00AM Dec 08, 2023Observed: 4.77 ft at 6:30AM Dec 08, 2023Observed: 4.77 ft at 7:00AM Dec 08, 2023Observed: 4.77 ft at 7:30AM Dec 08, 2023Observed: 4.77 ft at 8:00AM Dec 08, 2023Observed: 4.77 ft at 8:30AM Dec 08, 2023Observed: 4.76 ft at 9:00AM Dec 08, 2023Observed: 4.77 ft at 9:30AM Dec 08, 2023Observed: 4.77 ft at 10:00AM Dec 08, 2023Observed: 4.77 ft at 10:30AM Dec 08, 2023Observed: 4.76 ft at 11:00AM Dec 08, 2023Observed: 4.77 ft at 11:30AM Dec 08, 2023Observed: 4.77 ft at 12:00PM Dec 08, 2023Observed: 4.76 ft at 12:30PM Dec 08, 2023Observed: 4.77 ft at 1:00PM Dec 08, 2023Observed: 4.77 ft at 1:30PM Dec 08, 2023Observed: 4.77 ft at 2:00PM Dec 08, 2023Observed: 4.77 ft at 2:30PM Dec 08, 2023Observed: 4.77 ft at 3:00PM Dec 08, 2023Observed: 4.77 ft at 3:30PM Dec 08, 2023Observed: 4.77 ft at 4:00PM Dec 08, 2023Observed: 4.77 ft at 4:30PM Dec 08, 2023Observed: 4.77 ft at 5:00PM Dec 08, 2023Observed: 4.77 ft at 5:30PM Dec 08, 2023Observed: 4.76 ft at 6:00PM Dec 08, 2023Observed: 4.76 ft at 6:30PM Dec 08, 2023Observed: 4.76 ft at 7:00PM Dec 08, 2023Observed: 4.76 ft at 7:30PM Dec 08, 2023Observed: 4.76 ft at 8:00PM Dec 08, 2023Observed: 4.76 ft at 8:30PM Dec 08, 2023Observed: 4.76 ft at 9:00PM Dec 08, 2023Observed: 4.76 ft at 9:30PM Dec 08, 2023Observed: 4.76 ft at 10:00PM Dec 08, 2023Observed: 4.75 ft at 10:30PM Dec 08, 2023Observed: 4.75 ft at 11:00PM Dec 08, 2023Observed: 4.75 ft at 11:30PM Dec 08, 2023Observed: 4.75 ft at 12:00AM Dec 09, 2023Observed: 4.74 ft at 12:30AM Dec 09, 2023Observed: 4.75 ft at 1:00AM Dec 09, 2023Observed: 4.74 ft at 1:30AM Dec 09, 2023Observed: 4.73 ft at 2:00AM Dec 09, 2023Observed: 4.73 ft at 2:30AM Dec 09, 2023Observed: 4.73 ft at 3:00AM Dec 09, 2023Observed: 4.73 ft at 3:30AM Dec 09, 2023Observed: 4.72 ft at 4:00AM Dec 09, 2023Observed: 4.72 ft at 4:30AM Dec 09, 2023Observed: 4.72 ft at 5:00AM Dec 09, 2023Observed: 4.71 ft at 5:30AM Dec 09, 2023Observed: 4.71 ft at 6:00AM Dec 09, 2023Observed: 4.71 ft at 6:30AM Dec 09, 2023Observed: 4.71 ft at 7:00AM Dec 09, 2023Observed: 4.71 ft at 7:30AM Dec 09, 2023Observed: 4.71 ft at 8:00AM Dec 09, 2023Observed: 4.71 ft at 8:30AM Dec 09, 2023Observed: 4.71 ft at 9:00AM Dec 09, 2023Observed: 4.71 ft at 9:30AM Dec 09, 2023Observed: 4.71 ft at 10:00AM Dec 09, 2023Observed: 4.71 ft at 10:30AM Dec 09, 2023Observed: 4.72 ft at 11:00AM Dec 09, 2023Observed: 4.72 ft at 11:30AM Dec 09, 2023Observed: 4.72 ft at 12:00PM Dec 09, 2023Observed: 4.72 ft at 12:30PM Dec 09, 2023Observed: 4.73 ft at 1:00PM Dec 09, 2023Observed: 4.73 ft at 1:30PM Dec 09, 2023Observed: 4.73 ft at 2:00PM Dec 09, 2023Observed: 4.72 ft at 2:30PM Dec 09, 2023Observed: 4.72 ft at 3:00PM Dec 09, 2023Observed: 4.72 ft at 3:30PM Dec 09, 2023Observed: 4.71 ft at 4:00PM Dec 09, 2023Observed: 4.71 ft at 4:30PM Dec 09, 2023Observed: 4.71 ft at 5:00PM Dec 09, 2023Observed: 4.71 ft at 5:30PM Dec 09, 2023Observed: 4.72 ft at 6:00PM Dec 09, 2023Observed: 4.72 ft at 6:30PM Dec 09, 2023Observed: 4.72 ft at 7:00PM Dec 09, 2023Observed: 4.72 ft at 7:30PM Dec 09, 2023Observed: 4.72 ft at 8:00PM Dec 09, 2023Observed: 4.71 ft at 8:30PM Dec 09, 2023Observed: 4.72 ft at 9:00PM Dec 09, 2023Observed: 4.71 ft at 9:30PM Dec 09, 2023Observed: 4.71 ft at 10:00PM Dec 09, 2023Observed: 4.72 ft at 10:30PM Dec 09, 2023Observed: 4.71 ft at 11:00PM Dec 09, 2023Observed: 4.7 ft at 11:30PM Dec 09, 2023Observed: 4.7 ft at 12:00AM Dec 10, 2023Observed: 4.7 ft at 12:30AM Dec 10, 2023Observed: 4.7 ft at 1:00AM Dec 10, 2023Observed: 4.69 ft at 1:30AM Dec 10, 2023Observed: 4.69 ft at 2:00AM Dec 10, 2023Observed: 4.69 ft at 2:30AM Dec 10, 2023Observed: 4.68 ft at 3:00AM Dec 10, 2023Observed: 4.68 ft at 3:30AM Dec 10, 2023Observed: 4.68 ft at 4:00AM Dec 10, 2023Observed: 4.68 ft at 4:30AM Dec 10, 2023Observed: 4.67 ft at 5:00AM Dec 10, 2023Observed: 4.67 ft at 5:30AM Dec 10, 2023Observed: 4.67 ft at 6:00AM Dec 10, 2023Observed: 4.67 ft at 6:30AM Dec 10, 2023Observed: 4.66 ft at 7:00AM Dec 10, 2023Observed: 4.66 ft at 7:30AM Dec 10, 2023Observed: 4.67 ft at 8:00AM Dec 10, 2023Observed: 4.67 ft at 8:30AM Dec 10, 2023Observed: 4.67 ft at 9:00AM Dec 10, 2023Observed: 4.67 ft at 9:30AM Dec 10, 2023Observed: 4.68 ft at 10:00AM Dec 10, 2023Observed: 4.68 ft at 10:30AM Dec 10, 2023Observed: 4.67 ft at 11:00AM Dec 10, 2023Observed: 4.69 ft at 11:30AM Dec 10, 2023Observed: 4.68 ft at 12:00PM Dec 10, 2023Observed: 4.68 ft at 12:30PM Dec 10, 2023Observed: 4.69 ft at 1:00PM Dec 10, 2023Observed: 4.69 ft at 1:30PM Dec 10, 2023Observed: 4.69 ft at 2:00PM Dec 10, 2023Observed: 4.69 ft at 2:30PM Dec 10, 2023Observed: 4.69 ft at 3:00PM Dec 10, 2023Observed: 4.69 ft at 3:30PM Dec 10, 2023Observed: 4.7 ft at 4:00PM Dec 10, 2023Observed: 4.7 ft at 4:30PM Dec 10, 2023Observed: 4.7 ft at 5:00PM Dec 10, 2023Observed: 4.7 ft at 5:30PM Dec 10, 2023Observed: 4.7 ft at 6:00PM Dec 10, 2023Observed: 4.7 ft at 6:30PM Dec 10, 2023Observed: 4.7 ft at 7:00PM Dec 10, 2023Observed: 4.7 ft at 7:30PM Dec 10, 2023Observed: 4.69 ft at 8:00PM Dec 10, 2023Observed: 4.69 ft at 8:30PM Dec 10, 2023Observed: 4.69 ft at 9:00PM Dec 10, 2023Observed: 4.69 ft at 9:30PM Dec 10, 2023Observed: 4.69 ft at 10:00PM Dec 10, 2023Observed: 4.69 ft at 10:30PM Dec 10, 2023Observed: 4.7 ft at 11:00PM Dec 10, 2023Observed: 4.68 ft at 11:30PM Dec 10, 2023Observed: 4.68 ft at 12:00AM Dec 11, 2023Observed: 4.69 ft at 12:30AM Dec 11, 2023Observed: 4.68 ft at 1:00AM Dec 11, 2023Observed: 4.69 ft at 1:30AM Dec 11, 2023Observed: 4.68 ft at 2:00AM Dec 11, 2023Observed: 4.68 ft at 2:30AM Dec 11, 2023Observed: 4.68 ft at 3:00AM Dec 11, 2023Observed: 4.68 ft at 3:30AM Dec 11, 2023Highest Forecast: 4.8 ft 7:00AM Dec 11, 2023Highest Forecast: 4.8 ft 1:00PM Dec 11, 2023Highest Forecast: 4.8 ft 7:00PM Dec 11, 2023Highest Forecast: 4.8 ft 1:00AM Dec 12, 2023Highest Forecast: 4.8 ft 7:00AM Dec 12, 2023Highest Forecast: 4.8 ft 1:00PM Dec 12, 2023Forecast: 4.7 ft 7:00PM Dec 12, 2023Forecast: 4.7 ft 1:00AM Dec 13, 2023Forecast: 4.6 ft 7:00AM Dec 13, 2023Forecast: 4.6 ft 1:00PM Dec 13, 2023Forecast: 4.6 ft 7:00PM Dec 13, 2023Forecast: 4.6 ft 1:00AM Dec 14, 2023Forecast: 4.5 ft 7:00AM Dec 14, 2023Forecast: 4.6 ft 1:00PM Dec 14, 2023Forecast: 4.6 ft 7:00PM Dec 14, 2023Forecast: 4.6 ft 1:00AM Dec 15, 2023Forecast: 4.6 ft 7:00AM Dec 15, 2023Jump to USGS siteOTTO1(plotting HGIRG) Graph Created (4:38AM Dec 11, 2023)ObservedForecast (issued 10:04AM Dec 10)Latest observed value: 4.68 ft at 3:30 AM EST 11-Dec-2023. Flood Stage is 23 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
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.

NOTE: Forecasts for the Blanchard River at Ottawa are issued routinely year-round.

Return to Area Map
Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - near Defiance
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 27
Flood Stage: 23
Action Stage: 20
Low Stage (in feet): -9999

Historic Crests
(1) 33.30 ft on 03/25/1913
(2) 31.40 ft on 08/23/2007
(3) 29.75 ft on 06/15/1981
(4) 29.72 ft on 02/11/1959
(5) 29.29 ft on 02/07/2008
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.80 ft on 05/11/2021 (P)
(2) 25.17 ft on 05/20/2020
(3) 25.32 ft on 04/27/2019
(4) 22.23 ft on 02/22/2018
(5) 27.55 ft on 07/15/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -2.37 ft on 01/15/1979
(2) -1.50 ft on 02/19/1980
(3) 4.39 ft on 08/28/2020
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
KML Image
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
If you notice any errors in the below information, please contact our Webmaster
29 Widespread major flooding occurs throughout downtown Ottawa.
27 Flooding worsens on the south side of Ottawa, with water on several roads. Flooding also begins in other areas of Ottawa.
26.6 Flood water begins to hit the bottom of the bridge at the gage site.
25 Flooding begins along south Walnut and west Second Streets on the south side of Ottawa.
23 Lowland flooding occurs mainly in south Ottawa. Flood water also gets into low farmlands.
Photos
(1) Upstream view from gauge site
(2) Downstream view from gauge site
About This Location Collapse

Latitude: 41.017000° N, Longitude: 84.046900° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 23 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 698.43 ft 721.43 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:

Additional Information Collapse
Per USGS record: All periods of record that are estimated are rated poor. All other periods are rated as follows: For the period Oct. 1, 2014 to Feb. 10, 2016, records good. Feb. 11, 2016 to Dec. 22, 2016 discharge records are good. Dec. 23, 2016 to Feb. 14, 2017 discharge records are fair. Feb. 15, 2017 to May 29, 2017 discharge records are good. May 30, 2017 to Nov. 14, 2017 discharge records are fair. Nov. 15, 2017 to Oct. 30, 2018 discharge records are fair, except for discharges between 700 cfs. and 5900 cfs. which are poor. Gauge zero transitioned from 699 NGVD29 to 698.43 NAVD88 on Oct 1, 2009. Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) River Forecast VS. River Potential
HEFS Ensemble NAEFS Ensemble Outlook vs. Forecast

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Northern Indiana Weather Forecast Office
7506 E 850 N
Syracuse, IN 46567
(574) 834-1104
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:30 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities