SHZN_CHS_HIGH_WATER_MARK_SV (English, HTML)

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HTML

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Publisher-reported update

2026-01-28

The Canadian Hydrographic Service (CHS) High Water Mark Lines provide alongshore and across-shore geomorphological and biological attributes of the high water mark shoreline. The lines are used in the CHS nautical charts to represent the level reached by sea water at high tide.

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