Global Self-consistent Hierarchical High-resolution Shoreline. This site presents a high-resolution shoreline data set amalgamated from two data bases in the public domain.

NOAA Shoreline

The purpose of this site is to eliminate confusion about vector shoreline data by providing information about and access to shorelines that are generated by federal agencies. 


The U.S. Geological Survey produced a comprehensive database of digital vector shorelines for the U.S. Gulf of Mexico.

Modified (Clipped) shoreline for the Gulf of Mexico

A shapefile derived from full resolution GSHHS shoreline for the Gulf of Mexico.


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A shapefile derived from NOAA Composite shoreline for the Gulf of Mexico


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