2026-76: Temporary Duct Mooring – Erwarton Anchorage, River Stour (Update 2)

04 August 2026

Mariners are advised that a duct (floating pipe) mooring system is located in the area of the Erwarton Anchorage, as per details below and diagram in PDF version.

Location (WGS84) of anchors and marker buoys:

ID Latitude Longitude Light Characteristic
Anchor 1 51o 57.0698’N 001o 11.8951’E N/A
Anchor 2 51o 57.0225’N 001o 11.8970’E N/A
Anchor 3 51o 57.0948’N 001o 13.4523’E N/A
Anchor 4 51o 57.0475’N 001o 13.5442’E N/A
Special Buoy 1 51o 57.0481’N 001o 11.8821’E Fl (2) Y 6s
Special Buoy 2 51o 57.0339’N 001o 12.3730’E Fl (2) Y 6s
Special Buoy 3 51o 57.0484’N 001o 12.8244’E Fl (2) Y 6s
Special Buoy 4 51o 57.0733’N 001o 13.5676’E Fl (2) Y 6s

Special mark buoys 1 and 4 (as per table above) mark the location of the east and west mooring buoys. When the mooring is occupied by the 1800m duct (dates to be confirmed), special mark buoys 2 and 3 will be placed to the south of the duct.

Mooring buoys east and west as per picture in PDF version, have been replaced with larger buoys.. These now also have a light characteristics FL(2)Y 6S.

This temporary mooring system is expected to remain in place for approximately 12-18 months.

This notice replaces local Notice to Mariners No. 72 of 2026, which is now withdrawn.

Download PDF version