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Public-images-osm logo.svg seamark:rock:water_level
Osm element key.svg
The vertical extent of a seamark:type=rock relative to the water surface. Edit or translate this description.
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations
Useful combination
Status: in use


The tags defined on this page will render in various nautical charts.

Type S100 code seamark:type Definition
Underwater/awash rock UWTROC rock A concreted mass of stony material or coral which dries, is awash or is below the water surface.

The rendering depends on the value of the Water Level attribute:

Water level (WATLEV) seamark:rock:water_level Definition Rendering
Covers and uncovers covers Periodically extends above and is submerged below the surface. RockC.png
Awash awash Flush with, or washed by the waves at low water under average meteorological conditions. RockA.png
Other values submerged, etc. Any rock that presents a danger to navigation. RockX.png


Seamark Tag Values
Seamark Objects
Seamark Attributes
INT-1 Cross Reference