Download the Wave Exposure Model (WEMo)

Terms and Conditions of Use

By using this software tool, you indicate your awareness of and consent to the following terms and conditions of use.

  • Information provided from this software tool is NOT intended to be used for decisions involving human safety and welfare risks.
  • The developers of this program—the National Oceanic and Atmospheric Administration—assume no responsibility and cannot be held liable for any end use of this software.
  • For your own protection, please label all output with "NOT FOR USE INVOLVING HUMAN SAFETY AND WELFARE.".


Minimum Hardware Requirements

  • 1 GHz CPU (1.5 GHz or above recommended)
  • 256 MB RAM (256 MB or above recommended)
  • 500 MB disk space minimum is needed to install and effectively run the application.

Software Requirements

  • Microsoft Windows NT Service pack 6
  • Microsoft Windows 2000 Service pack 3 or higher
  • Microsoft Windows XP
  • Microsoft Vista
  • Important: ArcGIS 9.1 or higher must already be present on the PC on which you are installing WEMo. If you have an ArcGIS network installation, then you’ll need to install WEMo on the ArcGIS network server. Confirm that you have administrator privileges. If you do not, you will need to contact your system administrator to install the software for you.

File Downloads

To install WEMo, please download and run the WEMo.msi (self-extracting Microsoft software installer) for your version of ArcGIS, and follow the instructions.

Note: Sample data are provided in the folder ‘Sample Data’ in the directory where the WEMo application is installed. Shoreline vector data, bathymetry grid, and processed wind data for coastal North Carolina and Tampa Bay, Florida are also included in the package.