What is another word for tidemarks?
Pronunciation: [tˈa͡ɪdmɑːks] (IPA) 
Tidemarks are the lines and marks left on the shore by the ebb and flow of tides. Synonyms for tidemarks include high water marks, tide lines, water lines, flood lines, and beach marks. These terms all refer to the visible evidence of the tides as they recede from the shore. Tidemarks can be found along the coastlines of oceans, seas, and large lakes, and they are often used as a reference point for measuring water levels and predicting future tides. Whether exploring the seashore, fishing in the surf, or simply enjoying a day at the beach, tidemarks are an important aspect of coastal ecology and natural beauty.
