Notice: Some maps on Northeast Ocean Data may be unavailable from 7:00 a.m. to 12:00 p.m. on Sunday, January 19, due to routine maintenance on NOAA's map services.  
USCG helicopter

A new map layer showing US Coast Guard Sectors throughout the US is now available in the Administrative Boundaries category in the Data Explorer.

The map layer shows Sector Boundaries and Areas of Responsibility as delineated in Title 33 of the Code of Federal Regulations. To view a Sector’s name and affiliated District, click the “Identify” button on the Data Explorer and then click on the Sector on the map.

The layer is available for downloading on the Data Download page.

US Coast Guard Sectors

USCG Sectors map with Identify tool

USCG Sectors map layer with the Identify tool displaying information for USCG Sector Southeastern New England.