Anyone know where the painting "The Wave" by Hokusai is exhibited?

Answer 1

I´m not quite sure, I think that belong to a private collection.
I know that some of his paintings are at The British Museum, try there..!!

Answer 2

"Behind the Great Wave at Kanagawa" (神奈川沖波裏), from 36 Views of Mount Fuji, Color woodcut, 10 x 15 in; Metropolitan Museum of Art, New York. Although it is often used in tsunami literature, there is no reason to suspect that Hokusai intended it to be interpreted in that way. The waves in this work are sometimes mistakenly referred to as tsunami (津波), but they are more accurately called okinami (沖波), great off-shore waves.