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Tidal coefficient : A scale calculated based on the tidal range, which characterizes the magnitude of the tide. The tidal coefficient, which ranges from 20 to 120, has no unit of measurement
Foreshore : also known as the intertidal zone, this is the part of the coastline that is covered or exposed by the tides with the highest coefficients (not to be confused with the high-water mark)
Etale : the period corresponding to the moment when the tide turns. The water level remains almost constant. There are two types of slack tide: high-tide slack and low-tide slack
Flow : The period during which the tide is rising (as opposed to the ebb tide)
Flux : current created by the flow
Spring tide : tide with a coefficient greater than 100
Jusant : the period during which the tide recedes (as opposed to the rising tide)
Sea Leash : an area of land that is covered and uncovered by the daily tide (not to be confused with the foreshore, which corresponds to tides with higher coefficients)
Tide of the Century : a tide whose patterns recur every 18 years and whose coefficients are around 120. The last tide of the century occurred on March 21, 2015 (coefficient 119).
Equinox Tides : tides with high tidal coefficients that occur around the equinoxes (around March 21 and September 21)
Tide chart from the maree.info website
Tide Chart : a graph showing water level as a function of time (also known as a tide curve)
Tidal Range : the difference in water level between high tide and low tide
Dead water : the period when tidal ranges are at their smallest, between 20 and 70
Pilot's foot : a safety margin built into tidal calculations to ensure safe passage. This margin allows for minor variations caused by wind or atmospheric pressure
Reflux : current created by the ebb tide
Vive-eau : the period when tidal ranges are at their greatest, between 70 and 120
