Avoid walking on rocks covered with barnacles for your safety and to avoid damaging the fragile ecosystem. To avoid this, walk only on sand or bare rock and watch your step. When visiting the intertidal area, be aware that the creatures and environment are easily damaged. Check out the optimal time on the current NOAA tide prediction tide charts. Minus tides in Cannon Beach begin in spring, and the lowest minus tides occur in summer. Tides of 0.0 feet and lower (minus tides) are best for tidepool viewing, but when the ocean is calm many intertidal areas can be observed even at plus one or two-foot tides. Haystack Rock offers the most accessible access to the intertidal area and tidepools, but there are also plenty of other nearby areas with great tidepools and fewer crowds. For optimum viewing, it is best to be in the intertidal zone one hour before daily low tides. These are just a few of the coastal marine creatures you may discover in the tidepools of Cannon Beach. Look carefully, and you may find crabs, fish, snails, limpets, coral, sponge, and colorful sea slugs known as nudibranchs. Green anemones lay open like flowers at the bottom of pools. Bright sea stars in a variety of colors cling tightly to rocks. As the tide recedes, intertidal areas and tidepools reveal a unique and diverse environment. Many colorful and strange creatures live where Cannon Beach’s rocky shorelines and beaches meet the sea.
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