Drying height

On a nautical chart, the drying height[1] is the vertical distance of the seabed that is exposed by the tide, above the sea water level at the lowest astronomical tide.

On admiralty charts a drying height is distinguished from a depth by being underlined.

References

[edit]
  1. ^ Jollands, Simon (25 April 2023). "Tidal terms and definitions". safe-skipper.com. Retrieved 8 July 2025.