Normal high tide refers to the maximum level of water that occurs during the regular tidal cycle in a specific area. There are several synonyms for normal high tide, including high water mark, high tide level, and tidal limit. These terms are often used interchangeably to describe the point where the ocean meets the land. Other synonyms for normal high tide include mean high water, spring tide, and flood tide. These terms are commonly used in marine navigation, coastal engineering, and environmental management to describe the fluctuation of water levels along shorelines and estuaries. Regardless of the terminology used, normal high tide is an important concept for understanding coastal ecosystems and predicting the impacts of climate change.