Ocean water cools with phenomenon known as upwelling at the beaches
If you're looking to really cool off, take a dip in the ocean at the Jersey Shore.
Water temperatures have dropped into the low to mid 50s, meaning a wetsuit might come in handy.
Westerly winds have caused a phenomenon known as upwelling. The winds take the cold water that sits down deep and move it toward the beach.
There is typically a breeze coming from the south...