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What kind of a wave is Hokusai's Great wave off Kanagawa?

2009, … and Records of …

Abstract

The great wave off Kanagawa by Katsushika Hokusai is probably the most famous image in Japanese art. It depicts three boats in heavy seas on the point of encountering the eponymous wave, while Mount Fuji is glimpsed in the distance. The print is today often reproduced as the artistic depiction of a tsunami. Did Hokusai really have a tsunami in mind when he composed this work? We examine that hypothesis together with the alternatives, by discussing the image itself and the circumstances surrounding its composition, and by evaluating the wave in terms of the fluid dynamics of breaking waves and in particular of the species termed plunging breakers, of which The great wave is a member, and conclude that it is more probable that Hokusai intended to depict an exceptionally large storm wave. There is a great deal of scientific interest at present in such abnormally high waves, which are often termed freak or rogue waves.

Key takeaways

  • But as The great wave is almost certainly too large to be a historical tsunami off Kanagawa in Tokyo Bay, if it does show a tsunami we must consider that Hokusai is transposing an event that took place on the Pacific coast.
  • One could speculate, then, that the waves depicted in Hokusai's Great wave might represent an anecdote told to him by sailors about a tsunami seen from offshore, including in particular surviving a series of standing waves that developed on the back of a tsunami bore, either off Kanagawa or else off the Pacific coast where such waves could be much larger.
  • The alternative to a tsunami is that the wave shown in The great wave is from a storm.
  • We can glean from the image quite a significant amount of information on the season: the crew of the oshiokuri are wearing samue, so it is spring or autumn; the samue are blue, so it is probably spring although it might be autumn; and Fuji is snow-capped, with an appreciable Figure 6.
  • If the viewpoint of the image is as Hokusai sets it, near the port of Yokohama within Tokyo Bay, the wave shown in The great wave off Kanagawa is not, then, a typical storm wave; a 10-12 m wave as depicted here would be exceptional even in the worst storm.