Key:seamark:type

A SeaMapEditor is available to help you add nautical information. Seamark objects are chosen from drop-down menus and specifications can be entered manually. Only characteristics which are relevant for a particular object will be editable.

You will find it under JOSM Presets named Seamark by Aun 'Skippern' Johnsen, Malcolm Herring.

Object	OSM element	seamark:type	IHO definition in S-101 DCEG	OpenSeaMap view
Anchorage area		anchorage	An area in which vessels anchor or may anchor.
Anchor berth		anchor_berth	A designated area of water where a single vessel, sea plane, etc... may anchor.
Beacon, cardinal		beacon_cardinal	A beacon used in conjunction with the compass to indicate where the mariner may find the best navigable water.
Beacon, isolated danger		beacon_isolated_danger	A beacon that is moored on or above an isolated danger of limited extent, which has navigable water all around it.
Beacon, lateral		beacon_lateral	A beacon used to indicate the port or starboard hand side of the route to be followed.
Beacon, safe water		beacon_safe_water	A beacon used to indicate that there is navigable water around the mark.
Beacon, special purpose/general		beacon_special_purpose	A beacon primarily used to indicate an area or feature, the nature of which is apparent from reference to a chart, Sailing Directions or Notices to Mariners.
Berth		berth	A named or numbered place where a vessel is moored at a wharf.
Bridge		bridge	A structure erected over a body of water, railroad, etc. to provide a roadway for vehicles, pedestrians or to carry utility services.
Bunker station		bunker_station	A station, at which a ship is able to bunker fuel, water or ballast	Fuel station and water supply for large ships (similar to facilities for small and pleasure crafts)
Building, single		building	A relatively permanent structure, roofed and usually walled. It is designed for some particular use which it may be important to indicate.
Buoy, cardinal		buoy_cardinal	A buoy used in conjunction with the compass to indicate where the mariner may find the best navigable water.
Buoy, installation		buoy_installation	A buoy used for loading tankers with gas or oil.
Buoy, isolated danger		buoy_isolated_danger	A buoy that is moored on or above an isolated danger of limited extent, which has navigable water all around it.
Buoy, lateral		buoy_lateral	A buoy used to indicate the port or starboard hand side of the route to be followed.
Buoy, safe water		buoy_safe_water	A buoy used to indicate that there is navigable water around the mark.
Buoy, special purpose/general		buoy_special_purpose	A buoy primarily used to indicate an area or feature, the nature of which is apparent from reference to a chart, Sailing Directions or Notices to Mariners.
Cable area		cable_area	An area which contains one or more submarine cables.
Cable, overhead		cable_overhead	An overhead cable is an assembly of wires or fibres, or a wire rope or chain, which is supported by structures such as poles or pylons and passing over or nearby navigable waters.
Cable, submarine		cable_submarine	An assembly of wires or fibres, or a wire rope or chain which has been laid underwater or buried beneath the seabed.
Causeway		causeway	A raised way across low or wet ground or water.
Checkpoint		checkpoint	An official place to register, declare or check goods and people.
Coastguard station		coastguard_station	Watch keeping stations at which a watch is kept either continuously, or at certain times only.
Control point		control_point	A point on the ground where position (horizontal and vertical) is used as a base for a dependent survey. Also referred to as a control station.	Trigonometric point, reference point, fix point, hight/level mark, similar to survey_point in OSM
Crane		crane	Cranes are machines used for hoisting and moving heavy objects.
Distance mark		distance_mark	A distance mark indicates the distance measured from an origin and consists of either a solid visible structure or a distinct location without special installation.
Dredged area		dredged_area	An area of the bottom of a body of water which has been deepened by dredging.
Dumping Ground		dumping_ground	A sea area where dredged material or other potentially more harmful material, e.g. explosives, chemical waste, is deliberately deposited.
Fairway		fairway	That part of a river, harbour and so on, where the main navigable channel for vessels of larger size lies.
Ferry route		ferry_route	A route in a body of water where a ferry crosses from one shoreline to another.
Gate		gate	A structure that may be swung, drawn, or lowered to block an entrance or passageway.
Harbour basin		harbour_basin	An enclosed area of water surrounded by quay walls constructed to provide means for the transfer of cargoes from and to ships.
Harbour facility		harbour	A Harbour installation with a service or commercial operation of public interest. A body of water providing protection for vessels, and providing anchoring and docking facilities.
Hulk		hulk	The hull of a wrecked or condemned ship, which is moored in a permanent position or grounded.
Landmark		landmark	A prominent object at a fixed location which can be used in determining a location or a direction.	See Seamarks/Landmarks
Major Light		light_major	An important luminous aid to navigation, light, lighthouse, to which a name can be attributed. Generally, a major light may be considered to be a light intended for use at sea, usually with a range of 15 miles or more, and in outer approaches to harbours. The IALA Maritime Buoyage System rules (INT-1 Q 130) do not apply for most landfall lights. In general, sector lights follow IALA convention when used for marking a channel.
Minor light		light_minor	A luminous or lighted aid to navigation, light. The IALA Maritime Buoyage System rules (INT-1 Q 130) will apply to minor lights, but not to leading lights.
Light float		light_float	A boat-like structure used instead of a light buoy in waters where strong streams or currents are experienced, or when a greater elevation than that of a light buoy is necessary.
Light vessel		light_vessel	A distinctively marked vessel anchored or moored at a charted point, to serve as an important floating aid to navigation with major light.
Lock basin		lock_basin	A lock basin is a wet dock in a waterway, permitting a ship to pass from one level to another.
Marine farm/culture		marine_farm	An assemblage of cages, nets, rafts and floats or posts where fish, including shellfish, are artificially cultivated.
Military practice area		military_area	An area within which naval, military or aerial exercises are carried out. Also called an 'exercise area'.
Mooring/Warping facility		mooring	The equipment or structure used to secure a vessel.
Navigation line		navigation_line	A straight line extending towards an area of navigational interest and generally generated by two navigational aids or one navigational aid and a bearing.
Notice mark		notice	A notice board or sign indicating information to the mariner. A signboard used to indicate prohibitions, regulations, restrictions, recommendations and general information which apply to a waterway or a section of a waterway.	+ many more
Obstruction, Foul Ground		obstruction	In marine navigation, anything that hinders or prevents movement, particularly anything that endangers or prevents passage of a vessel. Areas over which it is safe to navigate but which should be avoided for anchoring, taking the ground or ground fishing.
Offshore platform		platform	A permanent offshore structure, either fixed or floating, used in the production of oil or natural gas.
Offshore production area		production_area	An area at sea within which there are production facilities.
Pilot boarding place		pilot_boarding	The meeting place to which the pilot comes out.
Pile		pile	A long heavy timber or section of steel, wood, concrete, etc. forced into the earth which may serve as a support, as for a pier, or a free standing pole within a marine environment.
Pipeline area		pipeline_area	An area containing one or more pipelines.
Pipeline, overhead		pipeline_overhead	An overhead pipeline is a pipeline supported by pylons and passing over or nearby navigable waters.
Pipeline, submarine/on land		pipeline_submarine	A connected set of pipes for conveying liquids, slurries, or gases. A pipeline lying on or buried under the seabed or the land.
Precautionary area		precautionary_area	A routeing measure comprising an area within defined limits where ships must navigate with particular caution and within which the direction of traffic flow may be recommended.
Pylon/bridge support		pylon	A vertical construction consisting, for example, of a steel framework or pre-stressed concrete to carry cables, a bridge, etc.
Radar reflector		radar_reflector	A device capable of, or intended for, reflecting radar signals.
Radar transponder beacon		radar_transponder	A transponder beacon transmitting a coded signal on radar frequency, permitting an interrogating craft to determine the bearing and range of the transponder. Also called racon.
Radar station		radar_station	A station with a transmitter emitting pulses of ultra-high frequency radio waves which are reflected by solid objects and are detected upon their return to the sending station.
Radio calling-in point		calling-in_point	On passing a radio calling-in point or crossing a defined line vessels are required to report on VHF to a Traffic Control Centre.
Radio station		radio_station	A place equipped to transmit radio waves.
Recommended track		recommended_track	A route which has been specially examined to ensure so far as possible that it is free of dangers and along which ships are advised to navigate. That portion of a 'navigation line' that a ship should use for navigation.
Rescue station		rescue_station	A place where equipment for saving life at sea is maintained. Also called life saving station.
Restricted area		restricted_area	A specified area on land or water designated by an appropriate authority within which access or navigation is restricted in accordance with certain specified conditions.
Sea-plane landing/operating area		seaplane_landing_area	A designated portion of water for the landing and take-off of sea-planes.
Shoreline construction, protection structures and harbour installations		shoreline_construction	A fixed artificial structure in the water and/or adjoining the land. It may also refer to features such as training walls, which are not necessarily connected to, nor form part of the shoreline.
Signal station, traffic		signal_station_traffic	A traffic signal station is a place on shore from which signals are made to regulate the movement of traffic.
Signal station, warning		signal_station_warning	A warning signal station is a place on shore from which warning signals are made to ships at sea.
Small craft facility		small_craft_facility	A place at which a service generally of interest to small craft or pleasure boats is available.	+ many more
Traffic separation scheme boundary		separation_boundary	The outer limit of a traffic lane part or a traffic separation scheme roundabout.
Traffic separation scheme crossing		separation_crossing	A defined area where traffic lanes cross.
Traffic separation scheme lane part		separation_lane	An area within defined limits in which one-way traffic flow is established
Traffic separation line		separation_line	A line separating the lanes in which ships are proceeding in opposite, or nearly opposite directions; or separating a traffic lane from an adjacent sea area; or separating traffic lanes designated for particular classes of ships proceeding in the same direction.
Traffic separation scheme roundabout		separation_roundabout	A routeing measure comprising a separation point or circular separation zone and a circular traffic lane within defined limits. Traffic within the roundabout is separated by moving in a counter clockwise direction around the separation point or zone.
Traffic separation zone		separation_zone	A zone separating the lanes in which ships are proceeding in opposite or nearly opposite directions; or separating a traffic lane from an adjacent sea area; or separating traffic lanes designated for particular classes of ships proceeding in the same direction.
Turning basin		turning_basin	An area of water or enlargement of a channel used for turning vessels.
Two-way route part		two-way_route	An area of a two-way route within which traffic flow is generally along one bearing
Underwater/awash rock		rock	A concreted mass of stony material or coral which dries, is awash or is below the water surface.
Virtual AIS aid to navigation		virtual_aton	An Automatic Identification System (AIS) message 21 transmitted from an AIS station to simulate on navigation systems an Aid to Navigation which does not physically exist.
Vehicle transfer		vehicle_transfer	A place where vehicles can be loaded or unloaded from the inland vessel with onboard or on-shore facilities.
Waterway gauge, tide scale		waterway_gauge	A waterway gauge is an instrument for measuring water levels.
Wreck		wreck	The ruined remains of a stranded or sunken vessel which has been rendered useless.

See also

• Seamarks/Seamark Objects
• Object usage