PATAPSCO RIVER - FORT MCHENRY CHANNEL
ATON / ATON Changes
Location: 39-14.47N 076-33.98W Aid Name: AMPORTS Chesapeake Terminal Dolphin Light LLNR: 21119 Action: CHANGE Action Type Change Light Signals Change from FL Y 6s to Q Y
Valid 2026-10-29 to 2026-11-12.
USCG East District Local Notice to Mariners 44/2026