Seeing red-orange water at West Seattle beaches? Here’s what’s happening
That photo texted from The Arroyos in southwesternmost West Seattle is first word we got today of that alarming-looking but relatively common phenomenon. It’s not “red tide” but rather a bloom of microorganisms called Noctiluca – explained here by the state Ecology Department, which says that “sunshine, nutrients, and warm temperatures contribute to large seasonal blooms.” Experts say it’s not toxic but it is a sign of environmental imbalance, as noted here.
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