Notices to Mariners Week 17

Notices to Mariners Week 17 – Notices to Mariners for the Southern East Coast of the UK and across to France, Belgium and part of Holland

UKHO Preliminary/Temporary/Permanent

1. ENGLAND – South East Coast – Depths. – Two reduced depths on the west edge of the Goodwin Knoll and two reduced depths at the Goodwin Fork. The latter is more than 6m. The first image also includes reduced depths on the west edge of the Knoll vide NtM No 877 this year.Two reduced depths on the west edge of the Goodwin Knoll and two reduced depths at the Goodwin Fork. The latter is more than 6m. The first image also includes reduced depths on the west edge of the Knoll vide NtM No 877 this year.
2. ENGLAND – East Coast – Depths. – River Thames – Two new depths at the entrance to the King George V Entrance Lock on the Thames. Depths have improved!

Images can be seen on:


1. GRAVESEND REACH TILBURY2 MARSH FARM JETTY AND MOORING DOLPHIN REMOVAL – Work to remove the Marsh Farm Jetty and the lower end dolphin of the former Tilbury Power Station Jetty will commence the week beginning 22nd April as part of the TILBURY2 development. A 75m spud leg barge will be utilised for the removal of the structures along with a transfer barge and the multi-cat vessel, SEADOG. Scaffolding will be rigged on the structures to assist with removal and lifting. Lifting operations will be carried out at as required during which time London VTS will broadcast a ‘Proceed with Caution on VHF Channel 68. All vessels involved with the works will maintain a continuous listening watch on VHF Channel 68. At times International Code flags “Romeo Yankee” will be exhibited in conjunction with a “Proceed with Caution” being broadcast by London VTS. Removal works are expected to last for approximately 6 weeks. 
2. Seabed obstruction removed from the River Stour (Good-oh) – the identified seabed obstruction with a drying height of 0.5m above chart datum identified in the River Stour up stream of No.15 Buoy has now been removed from the following approximate position: 51º 56.74ˈN 001° 05.39ˈE. Notice to Mariners number 20 of 2019 has been revoked.
3. RIVER MEDWAY – HALSTOW CREEK LOWER HALSTOW: SUNKEN BARGE NORTH OF LOWER HALSTOW YACHT MOORINGS – the floating dock/converted barge Westmoreland, that has been moored between two large yellow mooring buoys to the north of the Lower Halstow Yacht Moorings, has sunk. It is still made fast to the two yellow marker buoys fore and aft but, is itself, covered at high water. The centre of the barge between the two yellow buoys is marked by floating pellet buoys. Mariners should navigate with caution due to this submerged danger to navigation Approximate position – 510 23.00N 0000 40.60E. The owner is aware and will be dealing with the situation.
4. Dredging Operations – Burnham Yacht Harbour Marina Ltd have now completed their Maintenance Dredging Operations in the approach to and within Burnham Yacht Harbour, Burnham on Crouch, Essex. 
5. LOWESTOFT – FOR SURVEY OPERATIONS IN LAKE LOTHING (REVISED) – continued hydrographic survey operations will be taking place in Lake Lothing on Monday 15th and Tuesday 16th April. These will be conducted using a remote controlled surface vessel (photo below), operated by ‘Survey Solutions’. The craft will be remotely controlled from the quayside. The survey area will extend across the river from North quay 5 and Kirkley Ham (shown on below chart extract). The survey will only be undertaken in daylight hours and will be subject to favourable weather conditions. The remote craft will be launched from Silo quay steps. A shore side team operating the craft will be monitoring VHF Ch14 during the survey and all river traffic will be given priority.
6. Port of Wells – dredging;
7. Blakeney Harbour – starboard Channel Marker buoy number 13 (FlG4s) has been reinstated in position: N 52 degrees 58.089’ E 000 degrees 57.581’.

That’s it.

Link to details –

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


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