Water tide

Water tides, or simply tides, are a type of harmless water obstacle in the Super Mario franchise that moves up and down.

Super Mario Bros. 3
Tides debut in Super Mario Bros. 3, only appearing in World 3-8. It slowly rises up and drops down while Mario is being chased by Boss Basses.

Super Mario World
In Super Mario World, water tides only appear in Mondo where it occasionally rises and falls. Cheep Cheeps swim or flop around on land depending on the water levels.

Super Mario 64 / Super Mario 64 DS
In Super Mario 64 and Super Mario 64 DS, water tides are activated by touching Crystal Taps in Wet-Dry World, and ground-pounding pillars in the basement of Peach's Castle. In Wet-Dry World, if Mario touches a Crystal Tap above the surface, the water rises up, and if below the surface, it drains down. In the Mushroom Castle, the water in the basement will drain after Mario ground pounds the pillars, where it unlocks Vanish Cap Under the Moat.

New Super Mario Bros.
In New Super Mario Bros., water tides are activated by ? Switches in World 2-3 and World 8-2. They also rise and fall in World 6-2.

Super Mario Galaxy
In Super Mario Galaxy, freezing water tides appear in Freezeflame Galaxy.

New Super Mario Bros. Wii
In New Super Mario Bros. Wii, Water Tides appear in two levels, World 6-3 and World 6-5.

New Super Mario Bros. 2
In New Super Mario Bros. 2, water tides only appear in, where it rises up.

Super Mario 3D World / Super Mario 3D World + Bowser's Fury
In Super Mario 3D World and Super Mario 3D World + Bowser's Fury, water tides appear in Deepwater Dungeon.

Super Mario Maker 2
In Super Mario Maker 2, the player can set the level and speed of water tides.

Mario & Luigi: Bowser's Inside Story / Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey
In Mario & Luigi: Bowser's Inside Story and Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey, water tides appear in the Pump Works. When Bowser drinks water from the fountain, the water rises up. When Bowser stops drinking, the water drops down.