Tidal

Tidal is a Halo 5: Guardians multiplayer map intended for use as a Forge canvas. The map was released as part of the Warzone Firefight update on June 29, 2016.

Overview
Tidal is set over open water with islands in the distance, similar to the Halo 2: Anniversary Forge map, Awash. Four skyboxes are available: 'Clear', 'Paradise', 'Stormy', and 'Meteor Shower'.