the.com/tides
The ocean's slow breathing, conducted by a moon 238,000 miles away.
means The regular rise and fall of sea levels caused mainly by the moon's and sun's gravitational pull on Earth's water.
from From Old English tid, meaning a fixed period or season — the same root as tidings and Yuletide, back when tide meant time itself, not water.
Two dailyMost coasts get two high tides every 24 hours.
Bay recordCanada's Bay of Fundy swings sixteen meters daily.
Sun helpsThe sun's tidal pull is roughly half the moon's.
Solid earthLand itself flexes tides up to thirty centimeters.