Why are East Coast beaches warmer than west coast?

That is true because ocean waters rotate in clockwise fashion. This means Atlantic waters travel to the U.S. East Coast from the south and are relatively warm compared with West Coast Pacific waters that arrive from the north out of the chilly Gulf of Alaska.



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It's a process known as upwelling, which plays out along the entire U.S. Pacific coast. Upwelling explains why water temperatures along California, Oregon and Washington beaches are much cooler than similar-latitude beaches in the East.

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East coast beaches have warm water flowing north from the Caribbean Sea, while West coast beaches have cold water flowing from the Gulf of Alaska.

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