U.S. Coastal Maps

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	GIS & Other Products

	Products for GIS
	•	NOAA ENC® Direct to GIS
	•	Digital Hydrographic Survey Data
	•	Raster Navigational Charts: NOAA RNC®
	•	Vector Shoreline
	•	U.S. Coastal Maps
	•	U.S. Maritime Zones/Boundaries
	•	Law of the Sea
	•	nowCOAST

	Historical Products
	•	Historical Maps and Charts

	GIS Services and Tools
	•	VDatum Transformation Tool
	•	Web Mapping and Feature Services
	•	ENC Handler for Arc View
	•	North Amer. Horiz. Datum Conversion Utility

	Learn About
	•	Law of the Sea
	•	Differences Between ENC and ENC Direct to GIS
	•	Maritime Limits White Paper
	•	Datums and Transformations
	•	Geospatial Applications of Hydrodynamic Models

	Data Portals
	•	nowCOAST: Real-Time Coastal Data Map Portal
	•	NOS Data Explorer
	•	NOAA's National Geophysical Data Center
	•	NOAA's Coastal Service Center

	Resources
	•	Technical Reports & Publications
	•	Coast Survey Partners

U.S. Coastal Maps

Note – This service is being discontinued. We recommend visiting the "Raster Navigational Charts: NOAA RNC®."

The NOAA Raster Navigational Chart Website is the official NOAA site for navigational charts. It provides free download of RNCs, which can be used to support marine GIS decisions.

If you have any comments or concerns with OCS discontinuing U.S. Coastal Maps, please let us know by submitting an inquiry.

Coastal Maps are digital data products for the coastal stewardship community. Coastal maps are produced from NOS nautical charts for all near-shore geographic areas of the United States.

Obtain

• Download U.S. Coastal Maps

Resources

• Coastal Maps Metadata
• Download Free RNCs

The Coastal Map Data Layer for Geographic Information Systems (GIS) Project began with the purpose to create a digital georeferenced data layer in order to provide the coastal stewardship community and general public with non-proprietary nautical chart images for GIS derived products. The nautical chart contains information critical to navigational users, yet obstructs a clear view of the topographic and hydrographic data. The charts are therefore cleaned of all navigational aides and symbols, then prepared as TIFFs (Tagged) Image File Format) in local Mercator projection. Federal Geographic Data Committee (FGDC) compliant metadata is available online.

Web site owner: United States Office of Coast Survey