High Water Mark

Science / Tides and Currents / High Water Mark: A line or mark left upon tide flats, beach, or along shore objects indicating the elevation of the intrusion of high water. The mark may be a line of oil or scum on along shore objects, or a more or less continuous deposit of fine shell or debris on the foreshore or berm. This mark is physical evidence of the general height reached by wave run up at recent high waters. It should not be confused with the mean high water line or mean higher high water line.

Other Words for High

High Adverb Synonyms: intoxication, altered consciousness
High Noun Synonyms: anticyclone
High Adjective Synonyms: tall, lofty, elevated, towering
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Other Words for Mark

Mark Verb Synonyms: pay attention to, attend (to), pay heed to, note, notice, take notice of, watch, see, look at, observe, respect, mind, heed, obey
Mark Adjective Synonyms: spot, stain, blemish, smear, smudge, trace, impression, dent, nick, scratch, pock-mark or pock, streak, line, splodge, splotch
Mark Noun Synonyms: standard, criterion, norm, yardstick, level, measure
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Other Words for Water

Water Noun Synonyms: H2O, distilled water, tap water, drinking-water, bottled water, spa water, still water, soda (water), effervescent water, mineral water, sea water, salt water, ditch-water, dishwater, bath-water, branch water, Adam's ale, Latin a
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Mean Low Water Springs (MLWS)

Science / Tides and Currents / Mean Low Water Springs (MLWS): A tidal datum. Frequently abbreviated spring low water. The arithmetic mean of the low water heights occurring at the time of spring tides observed over the National Tidal Datum Epoch. It is usually d MORE

Mean Lower Low Water (MLLW)

Science / Tides and Currents / Mean Lower Low Water (MLLW): A tidal datum. The average of the lower low water height of each tidal day observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observations with MORE

Mean Lower Low Water Line (MLLWL)

Science / Tides and Currents / Mean Lower Low Water Line (MLLWL): The line on a chart or map which represents the intersection of the land with the water surface at the elevation of mean lower low water. MORE

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