Key:seamark:rock:water_level

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Public-images-osm logo.svg seamark:rock:water_level
Description
The vertical extent of a seamark:type=rock relative to the water surface. Show/edit corresponding data item.
Group: marine navigation
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Useful combination
Status: in use


Rocks

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

Not to be confused with Shoal, which is unconcreted material like sand or mud.

References

OSM seamark resources

JOSM presets & styles

External sources