The Office of Coast Survey (OCS) has been involved in the development of a NOAA Electronic Navigational Chart (NOAA ENC) suite to support the marine transportation infrastructure and coastal management for a number of years. The NOAA ENC will support all types of marine navigation by providing the official database for electronic charting systems (ECS), including the Electronic Chart Display and Information System (ECDIS). NOAA ENCs support real-time navigation as well as collision and grounding avoidance needs of the mariner, and accommodate a real-time tide and current display capability that is essential for large vessel navigation. NOAA ENCs will also provide fully integrated vector base maps for use in geographic information systems (GIS) that are used for coastal management or other purposes. The NOAA ENCs are in the International Hydrographic Office (IHO) S-57 international exchange format and comply with the ENC Product Specification.

Electronic Navigational Charts (ENC) are vector data sets that support all types of marine navigation. Originally designed for large commercial vessels using a sophisticated navigational computer called an Electronic Chart Display and Information System (ECDIS), ENCs are now also being used on simpler electronic chart systems and “chart plotters” on many types of ships and by recreational boaters. NOAA ENCs help provide real-time ship positioning, as well as collision and grounding avoidance.The NOAA Chart Display Service renders NOAA Electronic Navigational Chart (ENC) data with "traditional paper chart" symbols, labels, and color schemes familiar to those who have used NOAA paper nautical charts or the NOAA Custom Chart application.NOAA ENCs comply with the International Hydrographic Organization ENC Product Specification. ENCs are produced around the world by many different countries’ national hydrographic or charting agencies. NOAA maintains more than 1,000 NOAA ENC® datasets over U.S. coastal waters and the Great Lakes.Free updates for NOAA ENCs are available weekly, which provide critical changes as well as the routine addition of newly compiled data, such as hydrographic or shoreline surveys. The NOAA Weekly Chart Updates page shows the areas that have changed on each ENC since its last new edition was published.ENCs also provide vector base maps for use in geographic information systems (GIS) that are used for coastal management and other purposes. The NOAA ENC Direct to GIS service supports extracting ENC data into GIS supported formats.Note: This layer is a feature service, which means it can be used for visualization and analysis throughout the ArcGIS Platform. This layer is not editable.

NOAA's Electronic Navigational Charts (NOAA ENCs) have been developed to support the marine transportation infrastructure and coastal management. The NOAA ENCs are in S-57, a data standard developed by the International Hydrographic Organization (IHO) to be used for the exchange of digital hydrographic data. NOAA ENCs can be used in Geographic Information Systems, (GIS) allowing for broader public access. Many GIS's, however cannot read an ENC's native S-57 format to address this problem. NOAA's ENC Direct to GIS web portal provides comprehensive access to display, query, and download all available large scale NOAA ENC data in a variety of GIS/CAD formats for non-navigational purposes using Internet mapping service technology. Nautical chart features contained within an NOAA ENC provide a detailed representation of the U.S. coastal and marine environment. This data includes coastal topography, bathymetry, landmarks, geographic place names and marine boundaries. Features in an NOAA ENC are limited in that they only represent the geographic region that is depicted in that particular NOAA ENC. By aggregating nautical features from all NOAA ENCs in the creation of GIS data, a contiguous depiction of the U.S coastal and marine environment is achieved.

NOAA Electronic Navigational Charts (NOAA ENC®) are in International Hydrographic Organization (IHO) S-57 format, which is the standard used for the exchange of digital hydrographic data. NOAA ENC Online optimizes the viewing of the entire ENC suite, using the display rules defined by the IHO S-52 Specifications for Chart Content and Display Aspects of ECDIS.

Two ENC display services provide simple HTTP interfaces for user applications to request geo-registered nautical chart images from NOAA databases for display in online and offline applications for which a basemap of nautical chart data is desired, including GIS, web-based, and mobile mapping applications.

The chart images are rendered from the latest NOAA electronic navigational chart (NOAA ENC®) data. The ENC data and the chart images derived from it are updated weekly. Each display service portrays the ENC data with a different symbology set.

The ECDIS Display Service uses symbology developed by the International Hydrographic Organization (IHO) for the display of ENC data on Electronic Chart Display and Information Systems (ECDIS) that large ocean- going vessels and many smaller commercial ships use for navigation. This symbol set is commonly referred to by its IHO specification number, "S-52," or as "ECDIS symbology."

The ENC Viewer portrays ENC data using this ECDIS symbology.

ECDIS Display Service ECDIS Display Service rendering of ENC along the Columbia River with symbology specified by the IHO. https://www.nauticalcharts.noaa.gov/data/gis-data-and-services.html#enc-display-services

The NOAA Chart Display Service (NCDS) renders NOAA electronic navigational chart (NOAA ENC®) data with “traditional paper chart” symbology in online and offline applications for which a basemap of nautical chart data is desired, including GIS, web-based, and mobile mapping applications.The service uses symbols, labels, and color schemes familiar to those who have used NOAA paper nautical charts or the NOAA Custom Chart application. NCDS is available as Esri REST Map Service, OGC Web Map Service (WMS), and MBTiles formats.The ENC data in the service are updated weekly and include all of the latest Notice to Mariners corrections.

NOAA, National Ocean Service, Office of Coast Survey, Marine Chart Division is responsible to build and maintain a suite of more than 1000 nautical charts that are used by commercial and recreational mariners to navigate the United States and U. S. territory waters safely.A Nautical Chart is a graphic portrayal of the marine environment. They are used to lay out courses and navigate ships by the shortest and most economically safe route. They can also serve as base maps for resource management and shoreline development planning by state and local government.Charts depict the location of the shoreline, minimum water depths, aids to navigation, hazards to navigation, the nature and form of the coast, water depths, the general character and configuration of the sea bottom, the rise and fall of the tides, protected areas, and the characteristics of the Earth's magnetism.The suite of charts is compiled and maintained with data provided by federal, state, and private partners such as the National Ocean Service elements, United States Coast Guard, United States Army Corps of Engineers, United States Power Squadron Auxiliary, Port Authorities.The charts are currently available as Lithographically printed paper charts, Electronic Raster Nautical Charts (RNCs), up-to-date paper charts (printed with print on demand technology), and are now offered as Digital Vector Electronic Nautical Charts (ENC).The NOAA RNCs are electronic images of the NOAA paper charts. The NOAA RNCs were productized with a successful Cooperative Research and Development Agreement (CRADA) with private sector partner BSB Electronic Charts, a subsidiary of Maptech, Inc. Andover, Massachusetts. As of November 1, 2005 the NOAA RNC's are available for free download via the NOAA website.

The National Oceanic and Atmospheric Administration (NOAA) Electronic Navigational Charts (ENC), found in the A-16 National Geospatial Data Asset Portfolio, support real-time navigation as well as collision and grounding avoidance needs of the mariner, and accommodate a real-time tide and current display capability that is essential for large vessel navigation. The NOAA ENC will support all types of marine navigation by providing the official database for electronic charting systems, including the Electronic Chart Display and Information System. NOAA ENCs will also provide fully integrated vector base maps for use in geographic information systems that are used for coastal management or other purposes. The NOAA ENCs are in the International Hydrographic Office S-57 international exchange format and comply with the ENC product specification. The ENC Harbor map service displays data compiled for ENC products with a scale range from street level (1:5,000) to town level (1:50,000).The ENC data used within this application will be updated weekly. This map layer is not intended for navigation purpose.Thumbnail image courtesy of: Kartverket

NOAA ENC® Online for U.S. WatersNOAA Electronic Navigational Charts (NOAA ENC®) are in International Hydrographic Organization (IHO) S-57 format, which is the standard used for the exchange of digital hydrographic data. NOAA ENC Online optimizes the viewing of the entire ENC suite, using the display rules defined by the IHO S-52 Specifications for Chart Content and Display Aspects of ECDIS.While features in a single NOAA ENC represent the geographic region that is depicted in that particular ENC cell, NOAA ENC Online provides a continuous depiction of the U.S. coastal waters as displayed on electronic chart systems. (See U.S. Chart No. 1for legend.)The NOAA ENC Online viewer provides features that can be leveraged in various GIS and OGC WMS compliant applications. ENC Online highlights many of the following features.NOAA ENC Online ViewerENCs are updated weekly and include all of the latest Notice to Mariners corrections.

This dataset displays sewer outfalls on Long Island represented here by pipelines on navigational charts in the Approach scale. NOAA ENC Direct to GIS Internet Mapping Service is designed to allow for the visualization, querying and downloading of NOAA's Electronic Navigational Chart's (NOAA ENC) data in common Geographic Information System (GIS) formats. NOAA ENC Direct to GIS data is not intended for navigational purposes. This data is provided for use in GIS software packages for coastal planning and research. Additional Source Info: https://encdirect.noaa.gov/ View Dataset on the Gateway

There are two separate viewers and chart download pages for the NOAA ENC - Electronic Navigational Charts, and the NOAA RNC - Raster Navigational Charts. The NOAA ENC Online application allows users to interact with the data by turning different layers on and off, while the NOAA RNC Online application only allows users to view raster image versions of the navigational charts.

This service provides a compilation of Electronic Navigational Charts (ENC) produced by the Canadian Hydrographic Service. All information provided by this service conforms to the International Hydrographic Organization (IHO) Publication S-57. An ENC contains all the chart information useful for navigation, and may contain supplementary information in addition to that contained in the paper chart. This service is not for navigation.

Market Size and Growth: The global market for Digital Nautical Charts is projected to reach a value of XXX million USD by 2033, growing at a CAGR of XX% during the forecast period of 2025-2033. The increasing adoption of electronic navigation systems in commercial shipping, rescue operations, marine research, and other maritime activities is a key driver of market growth. Additionally, the growing demand for accurate and real-time navigation data, advancements in technology, and the need for efficient and safe maritime operations further contribute to the market's expansion. Market Trends and Segmentation: Key trends in the Digital Nautical Charts market include the adoption of augmented reality (AR) and artificial intelligence (AI) for enhanced navigation, the development of hybrid charts that combine raster and vector data, and the increasing integration of sensor data from various sources. The market is segmented based on type (raster and vector charts) and application (commercial shipping, rescue at sea, marine research, marine energy development, water sports, and recreation). Major companies in the market include MaxSea International, PC Maritime, Canadian Hydrographic Service, C-MAP, Navionics, Voyager Worldwide, ArcMap, NV Charts, Lowrance, Suisca Group, NOAA ENC, Xinuo Information Technology, Zhejiang Haitu, among others. The market is expected to witness significant growth in the Asia Pacific region due to the increasing maritime trade and investment in infrastructure development.

This file provides information on the location and status of beacons. This information was created by, and is maintained by, NOAA Office of Coast Survey. Data is frequently updated, so for most recent data and information, the NOAA Office of Coast Survey website should be referenced (http://www.nauticalcharts.noaa.gov/index.html). This data is NOT to be used for navigational purposes, but can provide the user with powerful querying ability within the GIS environment. Although these data were derived from the NOAA ENC S-57 data files, which are designed for navigational use, the aggregation of this data into a GIS makes this data only suitable for visualization and querying. To provide the user with information on the status and location beacons. These data were created from the 5th NOAA classification of ENCs: these are the harbor charts with scales ranging from 1:50,000 or larger. For more information on this classification scale, and others, please visit the website link provided in the above Abstract section. Intended for visualization purposes only; not appropriate for navigational use.

This file provides information on the location and status of buoys. This information was created by, and is maintained by, NOAA Office of Coast Survey. Data is frequently updated, so for most recent data and information, the NOAA Office of Coast Survey website should be referenced (http://www.nauticalcharts.noaa.gov/index.html). This data is NOT to be used for navigational purposes, but can provide the user with powerful querying ability within the GIS environment. Although these data were derived from the NOAA ENC S-57 data files, which are designed for navigational use, the aggregation of this data into a GIS makes this data only suitable for visualization and querying. To provide the user with information on the status and location buoys. These data were created from the 5th NOAA classification of ENCs: these are the harbor charts with scales ranging from 1:50,000 or larger. For more information on this classification scale, and others, please visit the website link provided in the above Abstract section. Intended for visualization purposes only; not appropriate for navigational use.

This file provides information on the location and status of marine navigational lights. This information was created by, and is maintained by, NOAA Office of Coast Survey. Data is frequently updated, so for most recent data and information, the NOAA Office of Coast Survey website should be referenced (http://www.nauticalcharts.noaa.gov/index.html). This data is NOT to be used for navigational purposes, but can provide the user with powerful querying ability within the GIS environment. Although these data were derived from the NOAA ENC S-57 data files, which are designed for navigational use, the aggregation of this data into a GIS makes this data only suitable for visualization and querying. To provide the user with information on the status and location of marine navigational lights. These data were created from the 5th NOAA classification of ENCs: these are the harbor charts with scales ranging from 1:50,000 or larger. For more information on this classification scale, and others, please visit the website link provided in the above Abstract section. Intended for visualization purposes only; not appropriate for navigational use.

The National Bathymetric Source (NBS) project creates and maintains high-resolution bathymetry composed of the best available data. This project enables the creation of next-generation nautical charts while also providing support for modeling, industry, science, regulation, and public curiosity. Primary sources of bathymetry include NOAA and U.S. Army Corps of Engineers hydrographic surveys and topographic bathymetric (topo-bathy) lidar (light detection and ranging) data. Data submitted through the NOAA Office of Coast Survey’s external source data process are also included, with gaps in deep water filled through Global Multi-Resolution Topography, a merged model of bathymetry. Different vertical datums and file formats are made available to meet various uses. The BlueTopo folder includes multilayer floating point GeoTIFFs with associated Raster Attribute Tables (RAT) containing elevation, vertical uncertainty, with other quality metrics and source information. These files are arranged in a spatial tiling and resolution scheme corresponding to the Electronic Navigational Chart (ENC) but are not for navigation due to the inclusion of additional non-navigation data and non-navigation vertical datums. For navigational datasets please see the S-102 distribution portal. "nowCOAST" provides public access to BlueTopo through the nowCOAST viewer, web map tile services (WMTS), and links to individual datasets.

Ship wrecks and obstructions in the ocean have long been a hazard to navigation and construction, and a point of interest to archeologist, recreational divers, fisherman, educators and explorers. Locating hazardous wrecks and obstructions is part of the ongoing NOAA charting process. The exact position of many wrecks is difficult to determine because of changes in the environment, varied survey methods, and human error. Some wrecks are intentionally placed in the ocean to serve as artificial reefs or for disposal. Others pose a health and environmental threat from their cargo. Ownership and control over wrecks and obstructions is governed by a collection of state and federal regulations, the Abandoned Shipwreck Act, National Historic Preservation Act, and the National Marine Sanctuaries Act. These data are a synthesis of two sources - the NOAA Office of Coast Survey's 2016 Automated Wreck and Obstruction Information System (AWOIS), and the NOAA Electronic Navigational Charts (ENC). Not included were those records that were clearly identified as natural features such as rocks, shoals, and trees. Features are recorded as either a wreck, wreck area, obstruction, or unknown.

These data depict the occurrence of submarine cables in and around U.S. navigable waters. The geographic extent of these data is greater than the 'NASCA Submarine Cables 'dataset. The purpose of these data products are to support coastal planning at the regional and national scale. These data are derived from 2010 NOAA Electronic Navigational Charts (ENCs) and 2009 NOAA Raster Navigational Charts (RNCs). Abandoned cables, or cables that have been removed may appear within this data set. Features defined as cables were compiled from the original sources, exclusive of those features noted as 'cable areas'.

S-111 is a data and metadata encoding specification that is part of the S-100 Universal Hydrographic Data Model, an international standard for hydrographic data. This collection of data contains surface water currents forecast guidance from NOAA/NOS Operational Forecast Systems, a set of operational hydrodynamic nowcast and forecast modeling systems, for various U.S. coastal waters and the great lakes. The collection also contains surface current forecast guidance output from the NCEP Global Real-Time Ocean Forecast System (GRTOFS) for some offshore areas. These datasets are encoded as HDF-5 files conforming to the S-111 specification, and are geospatially subset into individual tiles conforming to the NOAA/OCS Nautical Product Tiling Scheme, with filenames indicating the corresponding NOAA Electronic Navigational Chart (ENC) Cell Identifier. A full set of S-111 tiles is created for each new model run cycle, which occurs four times per day for all models except for RTOFS, which updates only once per day. Files are organized using a path naming convention that includes the OFS identifier (e.g. 'cbofs' corresponding with output from the Chesapeake Bay Operational Forecast System) as well as the year, month, day, and hour corresponding with each model run initialization time. Each individual S-111 (HDF-5) file contains all forecast projections from a single model run for that geographic area. In other words, a single S-111 file will contain multiple gridded arrays each containing a forecast valid at a distinct time in the future, out to the forecast horizon of the underlying modeling system. All surface currents forecasts in this collection are computed at a depth of 4.5 meters below water surface, or half the water column depth, whichever is shallower.