LNM11-57A357
Received 23 Sept 2026, 00:00 UTCArchived 01 Nov 2026, 15:03 UTC
Warning text
Positions open on the mapSECTOR LOS ANGELES, TERRITORIAL SEA - SECTOR LOS ANGELES, SUBMERGED LAND ACT (SLA)
General / Miscellaneous
The Coast Guard has received a report of possible unexpended historical ordnance on the ocean floor south of San Miguel Island in the vicinity of Tyler Bight at position 34-01.75N 120-24.65W. All mariners are strongly advised to maintain a 2000-yard or 1 NM distance from the area and transit with caution.
USCG Southwest District Local Notice to Mariners 40/2026