Close-ups of the variations in the natural ripple patterns of the pale fine-textured sand at low tide Waulkmill Bay on Mainland, Orkney, June 2018. General view of the beach below.
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Jessica's Nature Blog 
I like how closely the ripples are spaced. Could you mention why this might happen, is it that as you mention the sand is very fine?
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These remind me of walking bare foot over sand bars in the summer, which is a nice thought to have in winter.
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I am not certain but it could be a combination of factors including the decreasing amplitude of the waves, water depth, and power at that point deep into the enclosed bay, in addition to the very fine sediment.
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A very pleasant thought, Emma. I love nothing better than feeling sand and sand ripples beneath my feet. I used to walk the length of Rhossili barefoot by the water’s edge…..but it was far too cold at Waukmill Bay to do the same even in June.
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For some reason it made me think of a knitted fabric – different yarn and different needles create different fabrics.
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Some years ago I posted pictures of the sand patterns at Inch on the Dingle Peninsula in Ireland. These were the most complex I have ever come across and they really did remind me of knitting patterns, particularly those of Aran jumpers. Have a look at these:
https://natureinfocus.blog/2014/09/15/patterns-in-the-sand-at-inch-strand/
https://natureinfocus.blog/2016/09/03/inch-2/
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