Wave height and direction

http://victoriastaffordapsychicinvestigation.wordpress.com/2012/08/19/significant-wave-height-wave-directioni-19-aug-2012-1800-gmt-ocean-levels-rising-10-ft-up-to-40-ft-tidal-waves-see-map/significant-wave-height-wave-directioni-19-aug-2012-1800-gmt-ocean-levels-rising-10-ft-up-to-40-ft-tidal-waves-see-map/

This is a statistical map showing wave height and direction in certain parts of the world. This map would be useful for examining wave direction for ships crossing the ocean.