For what it's worth, I really liked your sonnet, too - and there are some beautiful poems to read in this thread. It's lovely! A celebration of summer indeed.
As metrical poetry is not my forte, here's a freshly minted image as my contribution to the festival. I'm in another erasure phase. It's a bit soggy.
The source text is Wood and Sowerby (1859)
The common objects of the sea shore : including hints for an aquarium.
At midnight we watched carefully for signs of Spring
A non-moving higher res version here.