Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

UC Berkeley’s library buildings are open. Here’s what you need to know.

Maps & Air Photos: Nautical Charts

Information about finding maps and aerial photographs in the UC Berkeley Library collections and beyond.

chart of Drake's BayNautical charts contain information on water depths, navigational aids, shipping channels, and restricted areas. They may also show details of coastal settlements, shorelines, reefs, and other physical features. These charts are collected for research purposes and are not intended to be used for navigation. Most charts in the Earth Sciences & Map Library are produced by the National Ocean Service (NOS), the National Geospatial-Intelligence Agency (NGA), and their predecessors.

Digital Charts

Finding Physical Nautical Charts

Find Nautical Charts in the Library

Nautical charts can be difficult to find, so please do not hesitate to ask us for assistance. Listed below are some common nautical chart sets in our library.

You can find other nautical charts in our collection by using the Advanced Keyword Search in OskiCat to search for subject keywords [nautical charts place name(e.g., nautical charts japan). You can find other ocean-related keywords in the list of common subject keywords for maps.

Chart Conversions

The below tables are to convert old and new number charts for:

National Ocean Service                                             National Geospatial-Intelligence Agency

To learn more about these charts read the Information about Chart Conversions box on this page.


Both the National Geospatial-Intelligence Agency & the Office of the Coast Survey have undergone numerous title changes throughout the years along with reorganizations. The below timelines provides information on their past names.

NGA Timeline OCSTimeline 

Timelines were created by Erica Newcome using Kinght Lab.

Additional nautical chart resources

Information about the Chart Conversions Databases

The National Ocean Service Chart Conversion database came from the Superseded U.S. Coast and Geodetic Survey Nautical Chart Conversion Table on the Stanford University Branner Library website. The National Geospatial-Intelligence Agency database was created using the data  obtained from the Catalog of Nautical Charts Numerical Listings of Charts publication. The publication can be viewed on this website.