Java OceanAtlas Application

Java OceanAtlas (JOA) is a multi-OS application for viewing and exploring ocean vertical profile data. Along with a broad collection of data, JOA is the culmination of a long dream: a collection of some of the most useful oceanographic section data from the World Ocean with a multi-platform computer application for exploring those data.

Click Here for Current Versions of JOA

Download Previous Versions

JOA 5.2.1

Mac OS X

Get JOA 5.2.1

(32 MB)

Works up to and including Mac OS X 10.9. It requires Appleā€™s Java environment. You may need to install Java for OS X from Apple (


Get JOA 5.2.1

(19 MB)

Designed for Windows XP-7. It has not been tested under Windows 8, 8.1, and 10 but should work. This version of JOA requires you to download and install a Java 1.6 or higher runtime environment (JRE).


If you already have JOA 5.0 installed on your computer, you can just replace your copy's JOA5.jar file with the new version. Follow these instructions to update JOA.

JOA 5.2.1


(4 MB)

The most current jar for JOA 5.2.1 is version 3736
(December 4, 2013)