NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Parts of the U.S. Government are closed. However, because the information this site provides is necessary to protect life and property, it will be updated and maintained during the Federal Government shutdown. For critical weather information, please visit To learn more, see
Verified Monthly Mean Water Level
1978-06-01 00:001978-11-30 23:54
Verified Monthly Mean Water Level
1979-03-01 00:001979-11-30 23:54

Products available at 9415623 NAPA, NAPA RIVER, CA

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services