'Once in a blue moon' Super low tides seen on the Great Barrier Reef. The moon is a major influence on the Earth's tides, so not surprising because of this Super Blue Moon the Master Reef Guides are reporting really low tides and views like this all along the length of Great Barrier Reef Marine Park 🪸 Low tides are a fascinating sight to behold. Luckily for corals they can survive out of the water for a short period of time as they produce a protective mucus, almost like a sunscreen which prote