WINTHROP HARBOR APPROACH - LOWER MIDDLE CHANNEL
ATON / ATON Changes
Location: 42-20.40N 070-59.67W Aid Name: Lower Middle Channel Lighted Buoy 3 LLNR: 11140 Action: CHANGE Action Type Change Seasonal Status CHANGE Lower Middle Channel Lighted Buoy 3 (LLNR 11140) Add to the remarks section of Light List Vol 1 Aid replaced by a can when endangered by ice.
Valid 2026-10-22 to 2027-04-20.
USCG Northeast District Local Notice to Mariners 44/2026