The picture shown in the story is a genuine one, and the message that comes with it is also a fact. The picture shows two different ocean water bodies meeting in the middle of Alaskan Gulf, where a foam is formed at the merging junction.
This happens when glaciers of fresh water start melting and flow to join the ocean water which is more salty. Because of the difference in the salinity and densities of these two meeting ocean water bodies, a surface tension is developed between them that acts like a thin wall and does not allow them to mix. But given enough time, they will eventually mix together.
This picture of two oceans meeting, but not mixing was caught by a photographer on Alaskan Cruise and shared it on Flickr which went viral, spreading on many other social networking platforms.