In the words of the great John Bossie “Mother Nature and the Sea are extreme forces that must be respected at all times.” Here are some videos that illustrate the real power of the sea. This first clip is from off the coast of France, 2007.
This youtube video of some heavy seas off the coast of Japan in 2005 does a great job of showing the stress put on ships during rough weather.
A 300m long 4500TEU Containervessel 200 nm NE of Japan in the Tropical Cyklon Banjan 2005
Here is another amazing clip of some heavy seas off the coast of Iceland.
Fishing in Iceland over the winter time in 34m/s wind.