In 2024-2025, developers started using:
with repeating command blocks [3, 27]. This method is the most reliable way to simulate a tsunami without downloading third-party files. Give yourself a command block: /give @p command_block Armor Stand where you want the tsunami to start and name it "Tsunami". The Commands Movement Block (Set to Repeat, Always Active): execute @e[type=armor_stand,name=Tsunami] ~ ~ ~ tp ~ ~ ~ -1 (Change "-1" to adjust the speed or direction) Water Generation Block (Set to Repeat, Always Active): tsunami mod minecraft bedrock work
Define tsunami triggers