...
The wave HRES (High Resolution) data has a native resolution of 0.36 degrees, and and the wave EDA (ensemble) has a resolution of 1.0 degrees (EDA).
Projection
All gridded data is made available in spherical coordinates, i.e. unprojected. Some GIS software applications call this 'Geographic Coordinate Systems'.
Coordinate system
All gridded data is made available in Decimal Degrees, lat/lon, with latitude [-90;90] referenced to the equator and longitude [-180;180] referenced to the Greenwich Prime Meridian
...