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7

Both jackets are nylon shell with a waterproof coating. Which will keep the rain out but is reliant on the coating being intact (not worn out, etc.). By this I mean it has no physical barrier. Goretex (for example) is combination of a physicla waterproof barrier (the Goretex layer) and a chemical coating to prevent the moisture blocking the "pores". ...


5

The ocean floor is almost entirely undisturbed by waves - What you are finding comes from the coastal littoral. You can gain some general estimates from direction and strength of storms, but the movement of the sea is chaotic overall. Oceanographers can make general statistical predictions, but there is just too much to track. Read this article on the 28,...



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