Notices to Mariners Week 11

UKHO Permanent/Preliminary/Temporary

1. ENGLAND – East Coast – Depths. – Three small reductions of depth in and on the edge of the Yantlet Channel, River Thames. Not likely to hinder leisure craft.
2. ENGLAND – East Coast – Depth. – One reduced depth just south of the entrance to Gallions Point Marina, Gallions Reach, River Thames.


1. Harwich Harbour – maintenance dredging – as from 2nd March 2020 the vessel Panda (length overall 27.27m) will be undertaking plough dredging within Harwich Harbour for approximately 15 days.
2. RIVER MEDWAY – UPNOR REACH – UPPER UPNOR JETTY – DIVING OPERATIONS – Diving operations are due to take place at Upper Upnor Jetty (Royal Engineers Jetty) on the 3rd March 2020. Divers will be working from the Royal Engineers pontoon to inspect the dolphins and pontoon, all operations will be carried out around the slack water period. The dive team will be in contact with Medway VTS on VHF channel 74 at all times who will advise passing vessels when divers are in the water. Upper Upnor Jetty – Centred at Approx. Location 51 24.15 N – 000 31.62 E Mariners should pass Upper Upnor Jetty with caution, make minimum wash and maintain a listening watch on VHF Channel 74.
3. RIVER MEDWAY – MEDWAY APPROACH CHANNEL – SS RICHARD MONTGOMERY WRECK SURVEY – EGS International Ltd. will be undertaking, on behalf of the MCA and Receiver of Wreck, a detailed sonar survey of the SS Richard Montgomery wreck and have obtained permission to enter the prohibited area. Marine operations will be running from around the 9th March 2020 with expected completion by the 27th March 2020 (weather dependant). All survey work will be carried out by the EGS Watchful (callsign MAQK4; MMSI 232006596; fitted with AIS Class A) who will be keeping a listening watch on VHF Channels 16 & 74. “Watchful” will undertake a comprehensive survey of the entire wreck and the seabed within the survey area defined as a polygon bounded by the following coordinates:
Latitude (N) Longitude (E)
51˚ 27.93595′ 0˚ 47.04126′
51˚ 28.04993′ 0˚ 47.05080′
51˚ 28.04993′ 0˚ 47.14794′
51˚ 27.93595′ 0˚ 47.13882′ Please be advised that during survey operations the vessel will be restricted in it’s ability to manoeuvre and other vessels are requested to pass with caution and minimise their wash. During survey operations the vessel will display the appropriate day shapes/signals and lights as required by the IRPCS
4. RIVER MEDWAY – KETHOLE REACH – Removal of Mooring Buoy Numbers 22 & 24 – mooring buoy numbers 22 and 24 in Kethole Reach have been permanently removed from service with immediate effect.
5. The Broads – Navigation Restriction -Vessel “Vagabond” – vessels may be temporarily restricted and regulated in their movement during the following periods: Sunday 8 March 01:00hrs until Sunday 22 March 23:00hrs. Vessel ‘Vagabond’ (the floating restaurant) will be escorted under-tow between Foundry Bridge and Trowse Eye on the River Wensum between 01:00hrs and 23:00hrs on 8 March. Vagabond will moor temporarily at the Deal Ground while essential work takes place. The onward journey along the River Yare to Breydon will commence as soon as the work is completed. Mariners are to consider the vessel’s movement when route planning and to follow all instructions given by the Broads Authority Rangers.
6. Port of Wells – dredging.


Mariners are advised that we are currently experiencing intermittent faults with the Ramsgate entry / exit traffic control lights.

Rectification works are underway, however, in the meantime please contact Port Control on VHF Channel 14 or 68 when entering or leaving the Harbour.

Local NtMs compiled by and reproduced by kind permission of Roger Gaspar, author of Crossing the Thames Estuary