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    • COLREGS Demarcation Lines

    Metadata Updated: September 15, 2024

    U.S. collision regulation boundaries delineate those waters upon which mariners shall comply with the International Regulations for Preventing Collisions at Sea, 1972 (72 COLREGS) and those waters upon which mariners shall comply with the Inland Navigation Rules. The waters inland of these lines are subject to the Inland Navigation Rules Act of 1980. The waters outside these lines are subject to the International Navigation Rules of the International Regulations for Preventing Collisions at Sea, 1972 (COLREGS). The Coast Guard has the legal authority to effect regulatory changes to COLREGS. Records in this database are derived from descriptions published in the Code of Federal Regulations Title 33, Part 80 and are for planning purposes only.

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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    Dates

    Metadata Date August 15, 2024
    Metadata Created Date November 12, 2020
    Metadata Updated Date September 15, 2024
    Reference Date(s) May 16, 2019 (publication)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from NOS OCM

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Date August 15, 2024
    Metadata Created Date November 12, 2020
    Metadata Updated Date September 15, 2024
    Reference Date(s) May 16, 2019 (publication)
    Responsible Party NOAA Office for Coastal Management (Point of Contact)
    Contact Email
    Guid gov.noaa.nmfs.inport:56121
    Access Constraints Cite As: Office for Coastal Management, [Date of Access]: COLREGS Demarcation Lines [Data Date Range], https://www.fisheries.noaa.gov/inport/item/56121., Use Constraints: For coastal and ocean planning, Distribution Liability: https://www.marinecadastre.gov/about/disclaimer.html
    Bbox East Long 166.634428
    Bbox North Lat 71.182005
    Bbox South Lat -14.295391
    Bbox West Long -178.110405
    Coupled Resource
    Frequency Of Update asNeeded
    Harvest Object Id 4d1479cf-0480-4281-9ab9-81265da08d16
    Harvest Source Id c0121fd9-df15-4168-ac04-42f6e36a794d
    Harvest Source Title NOS OCM
    Licence NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose.
    Lineage
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-178.110405, -14.295391], [166.634428, -14.295391], [166.634428, 71.182005], [-178.110405, 71.182005], [-178.110405, -14.295391]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System EPSG::4269
    Spatial Harvester True

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