Implementing international treaties and Republic of Latvia laws and regulations, LCGS duties are:
-to ensure Search and Rescue (SAR) operations control and coordination in the LCGS responsibility area;
-to ensure oil pollution abolishment operations control and coordination;
-to organize and to coordinate events to control implementation of laws and regulations that establishes order how Latvia’s aquatorium has been used;
-to control protection of environment and fishing laws and regulations in cooperation with Marine and Inland Water Administration;
-to organize, to lead and to coordinate Latvian Naval Forces which are under command of Coast Guard Service;
-functions as a administrative board and national communication center in accordance with International Ship and Port Facility Security Code (ISPS);
-ensure that national communication center functions in EU shipping security network SafeSeaNet.