"Run, Leo! RUN!" the chat screamed.
Check your Creative Inventory. Look for a custom spawn egg, a unique item (like a remote control), or a custom command block. Placing or interacting with these items will often set the wave in motion. Troubleshooting: Why is my Tsunami Mod Still Broken? The Water Appears but Does Not Move tsunami mod minecraft bedrock work
Here are the only reliable mods (add-ons) that will give you a working tsunami in Bedrock Edition. "Run, Leo