This video is called Humpback Whale, Turks and Caicos.
The maker of this video writes about it:
In Feb, 05 I was lucky enough to spend around 45 minutes underwater with this amazing creature.
There is a humpback whale right now near the Dutch coast, near Ijmuiden.
Maybe the same one as seen near Petten, two weeks ago. [Update 21 November 2007: it seems to be the same humpback as near Texel, earlier this year.]
This is very rare for the North Sea.
December 2008: again humpback in Dutch North Sea.
Why humpbacks sing: here.
Northern Right Whales Head South to Give Birth: here.