NOAA/NOS/Office of Coast Survey

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Service health Now:
Interface
Web Service, OGC Web Map Service 1.3.0
Keywords
marine boundaries, marine jurisdictions, jurisdictional boundaries and limits, exclusive economic zone (EEZ), territorial sea, contiguous zone, A-16, national, federal, USA
Fees
none
Access constraints
NOT FOR LEGAL USE. These limits and boundaries were created for internal purposes only to update the charted maritime limits and maritime boundaries on NOAA charts. These limits and boundaries do not represent the official depiction. For official depiction, please see NOAA's paper or raster nautical charts.
Supported languages
No INSPIRE Extended Capabilities (including service language support) given. See INSPIRE Technical Guidance - View Services for more information.
Data provider

NOAA/NOS/Office of Coast Survey (unverified)

Contact information:

NOAA/NOS/Office of Coast Survey

Office:
1315 East West Highway, SSMC3, 20910-3282 Silver Spring, USA

Service metadata
No INSPIRE Extended Capabilities (including service metadata) given. See INSPIRE Technical Guidance - View Services for more information.

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(Version 4.1, updated September 13, 2013) Maritime limits for the United States are measured from the U.S. baseline, recognized as the low-water line along the coast as marked on NOAA's nautical charts in accordance with the articles of the Law of the Sea. The baseline and related maritime limits are reviewed and approved by the interagency U.S. Baseline Committee. The primary purpose of this dataset is to update the official depiction of these maritime limits and boundaries on NOAA's nautical charts. The Office of Coast Survey depicts on its nautical charts the territorial sea (12 nautical miles), contiguous zone (24nm), and exclusive economic zone (200nm, plus maritime boundaries with adjacent/opposite countries). U.S. maritime limits are ambulatory and subject to revision based on accretion or erosion of the charted low water line. For more information about U.S. Maritime Limits and Boundaries and to stay up-to-date, see: http://www.nauticalcharts.noaa.gov/csdl/mbound.htm. For the full FGDC metadata record, see: http:www.ncddc.noaa.gov/approved_recs/nos_de/ocs/ocs/MB_ParentDataset.html. Coordinates for the US/Canada international boundary, on land and through the Great Lakes, are managed by the International Boundary Commission. These boundaries are included with this dataset for continuity.

Available map layers (6)

US Maritime Limits and Boundary Layers (version 4.1) (Layers)

Layers of the Maritime Limits and Boundaries dataset.

US/Canada Land Boundary (0)

Land boundary between the United States and Canada, on land and through the Great Lakes. Data from the International Boundary Commission (IBC).

200NM EEZ and Maritime Boundaries (1)

U.S. EEZ and maritime boundaries with adjacent/opposite countries

24NM Contiguous Zone (2)

Contiguous Zone of the United States. Measured 24nm from the baseline.

12NM Territorial Sea (3)

Territorial Sea of the United States. Measured 12nm from the baseline.

Overview (4)

Overview of all Maritime Limits/Boundaries of the United States. Layer rendered at small scale.

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Last updated 2023-12-03 02:47:33 UTC.