The word tidally is commonly used in the context of the ocean and its tides, but there are many words that can be used as synonyms depending on the context. Some possible alternatives might include the words "wave-controlled," "lunar-influenced," "ocean-induced," "current-driven," or "tide-determined." Other synonyms might include phrases like "water-driven," "ocean-fed," "tidal-riven," or "ebb-and-flow-influenced." Ultimately, the choice of synonym will depend on the particular context in which the word is being used, as well as the intended tone, style, and overall effect of the writing.