Aids to Navigation
Data Set (DS) | Office for Coastal Management (OCM)GUID: gov.noaa.nmfs.inport:56120 | Updated: November 26, 2025 | Published / External
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Summary
Short Citation
Office for Coastal Management, 2026: Aids to Navigation, https://www.fisheries.noaa.gov/inport/item/56120.
Full Citation Examples
This data set identifies aids to navigation, or ATONs, such as lights, signals, buoys, and day beacons, that are intended to assist a navigator to determine position or safe course, or to warn of dangers or obstructions to navigation. The U.S. Coast Guard is responsible for ensuring that this network is up to date and functioning properly so recreational and commercial boaters can safely navigate the maritime environment. Not for navigation.
To support ocean planning activities pursuant to the Executive Order Regarding the Ocean Policy to Advance the Economic, Security, and Environmental Interests of the United States, the Energy Policy Act, the National Environmental Policy Act, the Rivers and Harbors Act, and the Coastal Zone Management Act.
Data Access & Downloads
-
Marine Cadastre Data Registry
For coastal and ocean planning
Controlled Theme Keywords
ENVIRONMENTAL GOVERNANCE/MANAGEMENT, oceans, planningCadastre, transportation
Child Items
| Type | Title |
|---|---|
| Entity | Aids to Navigation |
Contact Information
Point of Contact
NOAA Office for Coastal Management (NOAA/OCM)
coastal.info@noaa.gov
(843) 740-1202
https://coast.noaa.gov
Extents
-177.75° W,
179° E,
82.5° N,
-14.5° S
2022-01-07
publication date
Item Identification
| Title: | Aids to Navigation |
|---|---|
| Status: | Completed |
| Publication Date: | 2025-11-26 |
| Abstract: |
This data set identifies aids to navigation, or ATONs, such as lights, signals, buoys, and day beacons, that are intended to assist a navigator to determine position or safe course, or to warn of dangers or obstructions to navigation. The U.S. Coast Guard is responsible for ensuring that this network is up to date and functioning properly so recreational and commercial boaters can safely navigate the maritime environment. Not for navigation. |
| Purpose: |
To support ocean planning activities pursuant to the Executive Order Regarding the Ocean Policy to Advance the Economic, Security, and Environmental Interests of the United States, the Energy Policy Act, the National Environmental Policy Act, the Rivers and Harbors Act, and the Coastal Zone Management Act. |
| Supplemental Information: |
Bureau Code: 006:48, Program Code: 006:055 |
Keywords
Theme Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Science Keywords |
EARTH SCIENCE > HUMAN DIMENSIONS > ENVIRONMENTAL GOVERNANCE/MANAGEMENT
|
| ISO 19115 Topic Category |
oceans
|
| ISO 19115 Topic Category |
planningCadastre
|
| ISO 19115 Topic Category |
transportation
|
| UNCONTROLLED | |
| None | coastal |
| None | planning |
Spatial Keywords
| Thesaurus | Keyword |
|---|---|
| Global Change Master Directory (GCMD) Location Keywords |
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA
|
| UNCONTROLLED | |
| None | Exclusive Economic Zone |
| None | Outer Continental Shelf |
| None | Territorial Sea |
Physical Location
| Organization: | Office for Coastal Management |
|---|---|
| City: | Charleston |
| State/Province: | SC |
Data Set Information
| Data Set Scope Code: | Data Set |
|---|---|
| Maintenance Frequency: | Annually |
| Data Presentation Form: | Map (digital) |
| Entity Attribute Overview: |
lightListNumber, aidName, longitude, latitude, characteristics, aidHeight, aidRange, structure, remark |
| Distribution Liability: |
https://www.marinecadastre.gov/about/disclaimer.html |
| Data Set Credit: | U.S. Coast Guard, NOAA Office for Coastal Management |
Support Roles
Point of Contact
| Date Effective From: | 2018-06 |
|---|---|
| Date Effective To: | |
| Contact (Organization): | NOAA Office for Coastal Management (NOAA/OCM) |
| Address: |
2234 South Hobson Ave Charleston, SC 29405-2413 |
| Email Address: | coastal.info@noaa.gov |
| Phone: | (843) 740-1202 |
| URL: | https://coast.noaa.gov |
Extents
| Currentness Reference: | Publication Date |
|---|
Extent Group 1
Extent Group 1 / Geographic Area 1
| W° Bound: | -177.75 | |
|---|---|---|
| E° Bound: | 179 | |
| N° Bound: | 82.5 | |
| S° Bound: | -14.5 |
Extent Group 1 / Time Frame 1
| Time Frame Type: | Discrete |
|---|---|
| Start: | 2022-01-07 |
| Description: |
publication date |
Spatial Information
Spatial Representation
Representations Used
| Grid: | No |
|---|---|
| Vector: | Yes |
| Text / Table: | No |
| TIN: | No |
| Stereo Model: | No |
| Video: | No |
Vector Representation 1
| Complex Object Present?: | No |
|---|---|
| Composite Object Present?: | No |
| Curve Object Present?: | No |
| Point Object Present?: | Yes |
| Solid Object Present?: | No |
| Surface Object Present?: | No |
Reference Systems
Reference System 1
Coordinate Reference System |
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Access Information
| Security Class: | Unclassified |
|---|---|
| Data Use Constraints: |
For coastal and ocean planning |
Distribution Information
Distribution 1
| Download URL: | https://marinecadastre.gov/data/ |
|---|---|
| Distributor: | |
| Description: |
Marine Cadastre Data Registry |
Distribution 2
| Download URL: | https://marinecadastre.gov/downloads/data/mc/AtoN.zip |
|---|---|
| Distributor: |
Technical Environment
| Description: |
Microsoft Windows, ArcGIS Pro, Azure SQL, ArcGIS Enterprise |
|---|
Data Quality
| Accuracy: |
Untested |
|---|---|
| Horizontal Positional Accuracy: |
Compiled to meet 10 meters horizontal accuracy at 95% confidence level |
| Completeness Report: |
Aids to navigation for inland waterways are not included. |
| Conceptual Consistency: |
These data are logically consistent |
Lineage
Sources
Weekly Light List
| Contact Role Type: | Originator |
|---|---|
| Contact Type: | Organization |
| Contact Name: | United States Coast Guard |
| Publish Date: | 2025-11-21 |
| Extent Type: | Discrete |
| Extent Start Date/Time: | 2025-11-21 |
| Citation URL: | https://www.navcen.uscg.gov/msi |
| Source Contribution: |
Source data provided by the U.S. Coast Guard NAVCEN office in GeoJSON format |
Process Steps
Process Step 1
| Description: |
Source data was extracted from the U.S. Coast Guard NAVCEN website, transformed, and loaded into the Marine Cadastre information system using native ArcGIS Pro 3.5 tools. |
|---|---|
| Process Date/Time: | 2025-11-25 00:00:00 |
Child Items
Rubric scores updated every 15m
|
Type | Title |
|---|---|---|
| Entity | Aids to Navigation |
Catalog Details
| Catalog Item ID: | 56120 |
|---|---|
| GUID: | gov.noaa.nmfs.inport:56120 |
| Metadata Record Created By: | Anna Verrill |
| Metadata Record Created: | 2019-04-25 11:47+0000 |
| Metadata Record Last Modified By: | Daniel Martin |
| Metadata Record Last Modified: | 2025-11-26 20:00+0000 |
| Metadata Record Published: | 2019-04-25 |
| Owner Org: | OCM |
| Metadata Publication Status: | Published Externally |
| Do Not Publish?: | N |
| Metadata Last Review Date: | 2019-04-25 |
| Metadata Review Frequency: | 1 Year |
| Metadata Next Review Date: | 2020-04-25 |