Bioluminescence Washington State 2024 Calendar. As night falls on san juan island, particularly in the late summer, the shores come alive with a mesmerizing glow from bioluminescent algae. Seattle — waters off the washington coast were lit up with a nighttime light show over the weekend as bioluminescence made a springtime appearance.

Check our full moon bioluminescence tour for more dates. And, if you find yourself in bellingham during late spring or.