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Seamark tagging
General information
Objects, usage
Categories of objects, attributes
INT-1 cross reference
Inland (CEVNI)


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

This page defines values for the "seamark:wreck:category" tags.

Type S100 code seamark:type Definition
Wreck WRECKS wreck The ruined remains of a stranded or sunken vessel which has been rendered useless.


Category (CATWRK) seamark:wreck:category Definition Rendering
Non-dangerous wreck non-dangerous A wreck which is not considered to be dangerous to surface navigation. WreckND.png
Dangerous wreck dangerous A wreck which is considered to be dangerous to surface navigation. WreckD.png
Distributed remains of wreck distributed_remains (Foul ground) An area over which it is safe to navigate but which should be avoided for anchoring, taking the ground or ground fishing. WreckND.png
Wreck showing mast/masts mast_showing Wreck of which only the mast(s) is visible at the sounding datum indicated. WreckD.png
Wreck showing any portion of hull or superstructure hull_showing A stranded wreck of which any portion of the hull or superstructure is visible at the sounding datum indicated. WreckS.png

Other Attributes

Attribute seamark:light:<attribute> Value type Definition
Water level effect (WATLEV) water_level Enumeration The effect of the surrounding water on an object.
Depth (VALSOU) depth Decimal The value of the measurement of a sounding relative to the chart datum, in metres.

See also: Historic Wrecks


OSM seamark resources

External sources