LNM11-D70B89
Received 30 Sept 2026, 00:00 UTCArchived 01 Nov 2026, 15:03 UTC
Warning text
SECTOR LOS ANGELES, TERRITORIAL SEA - SECTOR LOS ANGELES, SUBMERGED LAND ACT (SLA)
General / Miscellaneous
MARINERS ARE ADVISED THAT REPORTS OF GLOBAL POSITIONING SYSTEM (GPS) DISRUPTIONS HAVE BEEN RECEIVED IN THE VICINITY OF VANDENBERG SPACE FORCE BASE AND SURROUNDING WATERS. THE PRECISE AREA AND EXTENT OF THE DISRUPTION CANNOT BE CONFIRMED AT THIS TIME. MARINERS OPERATING IN THE AFFECTED OR POTENTIALLY AFFECTED AREA ARE ADVISED TO EXERCISE CAUTION AND USE ALL AVAILABLE MEANS OF NAVIGATION, INCLUDING VISUAL AND RADAR NAVIGATION, AND OTHER INDEPENDENT POSITIONING METHODS. MARINERS SHOULD BE PREPARED FOR POSSIBLE LOSS OR DEGRADATION OF GPS SERVICE.
USCG Southwest District Local Notice to Mariners 40/2026