Through the ritual, Cat Hai islanders wish for favorable weather, bumper catches, and luck. Dang Thi Cat, a local in Cat Hai district, said: "The annual whale worshiping ceremony has long been our tradition. It attaches great importance to the islanders who owe their lives to the sea. The sea is in danger of running out of fish due to frequent catches so we need to fish in the most suitable way possible."

Following the main ritual, locals released fish to Cat Ba Bay.