Nacimiento River at Nacimiento Reservoir
Future / Actual / Minor
OWP 2.0 WWA Modal Title
01/11/2021, 10:04 PM UTC through 01/11/2021, 10:04 PM UTC
Sender
Sent
- Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.
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Observed (OBS) 06/27/2025 12:30 PM PDTCATEGORY STAGE 
Minor Flooding 825 ft Action 800 ft Reliability of the Forecast:
NOTE: Graphical forecasts are not available during times of high water, forecast crest information can be found in the local WFO web page.
National Water Model Hydrograph
Official NWS streamflow forecasts are produced by NWS hydrologic forecasters for river gauge locations using hydrologic models which are calibrated to that location. This process considers additional guidance and information, including local expertise and experience, to produce the best forecast possible. The NWM output provides supplemental guidance to NWS forecasters and should not be considered an official NWS river forecast.
Gauge Info
| Coordinates | 35.7578, -120.884 |
| RFC | CNRFC |
| State | CA |
| WFO | LOX |
| County | San Luis Obispo |
| Data Provider(s) | |
| United States Geological Survey | United States Geological Survey |
| USGS | 11149300 |
Gauge Location
Gauge Photos
No Images Found
Probability Information
No Images Available
Collaborative Agencies
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.
Resources
Hydrologic Resource Links
Additional Resource Links
- NWS Precipitation and River Forecasting
- Area Hydrographs
- National Weather Service Forecast Offices
- United States Army Corps of Engineers
- California Department of Water Resources
- San Luis Obispo County Water Resources
- Santa Barbara County Public Works
- Ventura County Watershed Protection District
- Ventura County Watershed Protection District AHPS Page
- Los Angeles County Department of Public Works Precipitation
- NOAA-USGS Demonstration Debris Flow Warning System
- Snow Information
- Brochure - Guide to AHPS Pages
- FEMA National Flood Insurance Program (NFIP)