Chart 1 : Symbols, Abbreviations and Terms

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Tides, Currents - Section H

Supplementary national symbols

Ref. IHO Symbology Description CHS Symbology
a Mean Water Level
b International Great Lakes Datum
c Geodetic Datum
d High Water
e Higher High Water
f Higher High Water, Large Tide
g Low Water
h Lower Low Water
i Lowest Normal Tide
j Lower Low Water, Large Tide
k High Water Full and Change
l Tidal stream diagram
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