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Welcome to the SWAN home page
SWAN is a third-generation wave model, developed at Delft University of Technology, that computes random, short-crested wind-generated waves in coastal regions and inland waters. For more information about SWAN, see a short overview of model features. This list reflects on the scientific relevance of the development of SWAN.

The current version of SWAN is 41.45. The release notes can be found here.

Get the latest version of SWAN here.

See the User Manual for a complete description of the usage of SWAN. Useful tips for a proper use of the source term parametrizations can be found on webpage SWAN settings.

Alternatively, you may download the SWAN software or clone from the GitLab repository. This software can be used freely under the terms of the GNU General Public License. Please see its license for details. It is permitted to copy, reuse, adapt and distribute the SWAN source code provided that proper reference is made to the original work.

Please consult the Implementation Manual for a correct installation of SWAN on your computer. SWAN is portable to the most common operating systems (Windows, Linux, macOS and Unix systems).

Also a list of known bugs and patches is maintained for the current SWAN version.

Bug reports should be sent to this mailing list. You may also post your questions there.
SWAN is currently supported by Delft University of Technology and was, in addition, partly supported by Office of Naval Research (USA) and Rijkswaterstaat (as part of the Ministry of Transport, Public Works and Water Management, The Netherlands).