NOTE: This website demonstrates how the WAFS gridded data can be displayed. The display is not approved for use by either the FAA or ICAO, though the underlying gridded data are approved for use in support of flight planning. WAFS gridded data are available on the WAFS Internet File Service to FAA approved users. For more information on how to gain access to the gridded data, see the link to the WIFS website.
WAFS Internet File Service (WIFS)WIFS Website
WIFS Data (approved access only)