Posted by Dave Thewlis on February 02, 2016 at 15:49:13 user dthewlis.
This is a bit off topic for AR but not for sailing. Article in the Smithsonian on the "Lost Art" of Wave Piloting in the Marshall Islands (navigation by sophisticated understanding of wave currents rather than celestial). Apologies for the adverts larding up the article, but it's worth it.
Smithsonian Article on Wave Piloting.
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