Box Jellyfish Hawaii Calendar 2025. Appearing from 8 to 10 days after the full moon, box jellyfish belong to the invertebrate phylum cnidaria, a diverse group of stinging animals whose members all possess nematocyst cells for. I was thinking about booking a snorkel trip with hawaii nautical in west oahu (staying in aulani this leg of the trip) on a low probability day on the box jellyfish calendar.
Box jellyfish are a recurring issue on some of oahu’s beaches, and their invasions are fairly predictable. Though they pack a less potent punch than box jellies in other parts of.