Notices - Mid Estuary - Scroll down as necessary

Week 21

East Coast Of England - Thames Estuary - Black Deep Lighted Buoy

Amendment: Moved 066º 591 metres to 51º 47’.920N., 001º 36’.780E.

Movement effected consequent upon a recent survey.

Trinity House Notice to Mariners No 28 of 2012

Affects:

Admiralty Charts: 1975.

Imray Charts: C1.

Admiralty Leisure Folios: 5607.2.

Imray Leisure Folios: 2000.1.

Small but important move north-east of the Black Deep port hand buoy at the northern entrance to the Black Deep channel.  Indicates continual building of the Long Sand Head to the north east.

Image courtesy of Imray ID10.  Left click to enlarge, right click to download.

Week 14

Notice 1462 - ENGLAND - East Coast - Thames Estuary - Margate Hook South-westwards and The Swale to Foulger.s Gat - Buoyage. Depths. Legends. Submarine power cable.

Source: Trinity House and London Array Ltd.

Chart 1183 ETRS89 DATUM

Insert the accompanying block, showing amendments to buoyage, depths and legends, centred on: 51° 23´·40N., 1° 11´·60E.

Chart 1607 ETRS89 DATUM

Insert the accompanying block, showing amendments to buoyage, depths and legends, centred on: 51° 24´·22N., 1° 11´·64E.

Chart 1183 ETRS89 DATUM

Insert:  

submarine power cable, , joining:

51° 35´·38N., 1° 25´·52E.

(limit of wind farm)

51° 34´·07N., 1° 26´·77E.

51° 33´·72N., 1° 26´·55E.

51° 28´·01N., 1° 16´·46E.

51° 25´·43N., 1° 07´·01E.

51° 23´·73N., 1° 00´·06E.

51° 23´·01N., 0° 58´·43E.

51° 21´·60N., 0° 56´·50E.

(S border)

Chart 1606 ETRS89 DATUM

Insert submarine power cable, , joining:

51° 35´·38N., 1° 25´·52E. (limit of wind farm)

51° 34´·16N., 1° 26´·72E. (E border) and

51° 33´·96N., 1° 26´·72E. (E border)

51° 33´·72N., 1° 26´·55E.

51° 30´·58N., 1° 20´·82E.

51° 28´·01N., 1° 16´·46E.

51° 26´·53N., 1° 11´·08E. (S border)

Chart 1607 ETRS89 DATUM

Insert:  submarine power cable, , joining:

51° 35´·38N., 1° 25´·52E.  (limit of wind farm)

51° 34´·07N., 1° 26´·77E.

51° 33´·72N., 1° 26´·55E.

51° 30´·58N., 1° 20´·82E.

51° 28´·01N., 1° 16´·46E.

51° 25´·43N., 1° 07´·01E.

51° 25´·17N., 1° 05´·70E.

51° 23´·73N., 1° 00´·06E.

51° 23´·01N., 0° 58´·43E.

51° 22´·21N., 0° 57´·38E.

Chart 1975 ETRS89 DATUM

Insert: submarine power cable, , joining:

51° 35´·38N., 1° 25´·52E.  (limit of wind farm)

51° 34´·93N., 1° 25´·97E. (linear scales)

Affects:

Admiralty Charts: 1183, 1606, 1606 and 1975.

Imray Charts: C1

Admiralty Leisure Folios: 5606.4, 5606.5.

Imray Leisure Folios: 2100.1, 2100.5

The first correction refers to the movement of the marking of the Copperas Channel near the Margate Hook. This notice does not give the coordinates of the new positionsbut Trinity House records them as  ‘Reculver’ QR Port Hand Buoy at 51° 23'.63N., 001° 12'.56E and ‘Copperas’ QG Starboard Hand Buoy at 51° 23'.81N., 001° 11'.18E.

For Chart 1183.  Copyright is the UKHO.  Right click on image to download as a jpg image, Click here to download as a pdf file.

For Chart 1607.  Copyright is the UKHO.  Right click on image to download as a jpg image, Click here to download as a pdf file.

The second correction records the position of the first power cable between the East Swale and the London Array Wind Farm.  Note that in Week 9, we covered the two Rock Berms and the shallow depth at those points where this cable crossed the Kentish Flats Wind Farm Cable and the BritNed Power Car between Britain and the Netherlands.

Image courtesy of Imray ID10.  Left click to enlarge, right click to download.

Week 12

Notice 1223 - ENGLAND - East Coast - Isle of Thanet North-eastwards - Thanet Wind Farm and Kentish Knock Southwards - Wind turbines. Lights. Fog signals. Restricted area. Obstruction. Submarine power cable.

Legends. Depth.

Source: Thanet Offshore Wind Ltd

Note: Former Notice 841(P)/09 is cancelled.

Charts 1183, 1610  ETRS89 DATUM and 1406 and 2449 WGS84 DATUM

Insert the accompanying block, showing new wind turbines, lights, fog signals, restricted area, obstruction and amendments to submarine power cable and legends, centred on: 51° 28´·02N., 1° 36´·30E.

Chart 1610 ETRS89 DATUM and Chart 2449 WGS84 DATUM

Insert: Unexploded Ordnance at (a) 51° 34´·04N., 1° 36´·95E.

Delete: depth 245 , adjacent to: (a) above

Affects:

Admiralty Charts: 1183, 1406, 1610, and 2449.975.

Imray Charts: C1

Admiralty Leisure Folios: 5607.1.

Imray Leisure Folios: 2100.1.

1.  New blocks for the Thanet Wind Farm now it is complete.

For Chart 1183 (Right click Image for JPG download, click here for PDF download)

For Chart 1406 (Right click Image for JPG download, click here for PDF download)

For Chart 1610 (Right click Image for JPG download, click here for PDF download)

For Chart 2449 (Right click Image for JPG download, click here for PDF download)

Position of Unexploded Ordnance is almost exactly due east of the South Knock south cardinal buoy but in over 20m of water.

Chart Blocks are copyright of the UKHO.  Image of Ordnance position courtesy of Imray ID10.  Left click to enlarge, right click to download.

Week 11

Notice 1089 - ENGLAND - East Coast - Thames Estuary - Long Sand - Wind farm.

Source: UKHO

Chart 1975 ETRS89 DATUM

Insert limit of wind farm, pecked line, joining: (a) 51° 35´·00N., 1° 26´·22E. (existing limit), 51° 35´·65N., 1° 25´·05E. and (b) 51° 38´·10N., 1° 24´·10E.

(existing limit)

Delete former limit of wind farm, pecked line, joining: (a) above and (b) above

Affects:

Admiralty Charts: 1975.

Imray Charts: C1

Admiralty Leisure Folios: 5607.2.

Imray Leisure Folios: 2000.1.

This notice corrects the marking of the western edge of the London Array Wind Farm to extend it southwards to include the turbines leading up to Foulger’s Gat.

Readers are advised to use the CTTE chartlet in the Temporary Notices list which shows the construction area of the Wind Farm which is wider than this correction but for the time of construction more relevant for leisure users.

Week 10

New Editions of Admiralty Charts to be published 29th March, 2012

Chart 2692 England – East Coast, Sunk Inner Precautionary Area.  1:25,000

Includes changes to depths from the latest British Government surveys.

Wk

6

Notice 622 - ENGLAND - Thames Estuary - Princes Channel South-eastwards - Overland Passage Eastwards - Obstructions.

Source: Visser & Smit Marine Contracting

Chart 1606 ETRS89 DATUM

Insert: at 51° 28´·60N., 1° 17´·46E.

Chart 1607 ETRS89 DATUM

Insert:

at 51° 28´·60N., 1° 17´·46E.

at 51° 25´·23N., 1° 06´·03E.

Affects:

Admiralty Charts: 1607.

Imray Charts: C1

Admiralty Leisure Folio: 5606.5

Imray Folio: 2100.1

This is the reduced clearances at the Kentish Flats and BritNed cable crossings with the London array cable where rock berms have been installed.  See below in Week 5 for images of location.

Week 5

London Array - Reduced clearances at the Kentish Flats and BritNed cable crossings.

Kentish Flats cable crossings (51° 25'.217N, 001° 06'.033E).

At these three crossings the typical sea bed level was -4m LAT. Due to the newly installed rock berm the depth in some areas is now -1.5m LAT.

BritNed cable crossing (51° 28'.583N, 001° 17'.417E).

At this crossing the seabed level varies from -6.5m LAT to -9m LAT. Due to the newly installed rock berm the depth in some areas is now -4m LAT.

The start and end coordinates of the rock berm are given in the following tables

Crossing:

Kentish Flats

From: 51° 25'.203N 001° 05'.895E  to 51° 25'.252N 001° 06'.169E

BritNed

From 51° 28'.549N 001° 17'.372E  to 51° 28'.599N 001° 17'.457E

Affects:

Admiralty Charts: 1607.

Imray Charts: C1

Admiralty Leisure Folio: 5606.5

Imray Folio: 2100.1

Note this is not a UKHO NtM as yet but issued by the London Array.  It provides details of a serious reduction in depths particularly where the London Array cable passes over the cable from the Kentish Flat Wind Farm.

A rock berm is a rock barrier wall.  There is no information as to its construction but it can be assumed to be substantial enough to provide protection and stability to the cable crossing.  Whether these will be marked is not known at present.

Images courtesy of Imray ID10.  Left click to enlarge, right click to download.

Week 5

Notice 496 - ENGLAND - Thames Estuary - Long Sand Head Northwards - Depths.

Source: NetSurvey

Chart 1183 ETRS89 DATUM

Insert depth 19 enclosed by 2m contour at 51° 47´·60N., 1° 36´·85E.

Chart 1610 ETRS89 DATUM

Insert depth 19 and extend 5m contour NE to enclose (a) 51° 47´·60N., 1° 36´·85E.

Delete depth 33 , close WSW of: (a) above

Chart 1975 ETRS89 DATUM

Insert depth 19 enclosed by 2m contour at 51° 47´·61N., 1° 36´·84E.

depth 117 at (a) 51° 48´·06N., 1° 37´·78E.

and (b) 51° 47´·84N., 1° 37´·40E.

Delete depth 122 , close S of: (a) above

depth 116 , close SW of: (b) above

Chart 2692 ETRS89 DATUM

Insert depth 19 enclosed by 2m contour at 51° 47´·61N., 1° 36´·84E.

depth 117 at 51° 48´·06N., 1° 37´·78E.

and 51° 47´·84N., 1° 37´·40E.

Delete depth 13 at 51° 47´·88N., 1° 37´·64E.

Affects:

Admiralty Charts: 1183, 1610, 1975 and 2692.

Imray Charts: C1

Admiralty Leisure Folio: 5607.2

Imray Folio: 2000.1

An important change in depth at the Long Sand Head indicating the continuing trend for the Head to extend north-east.  The three new soundings are shown in magenta script. Note that the Black Deep PHB was moved during 2011.

Image courtesy of Imray ID10.  Left click to enlarge, right click to download.

Week 4

Notice 323 - ENGLAND - East Coast - Thames Estuary - Barrow Deep - North Knob - Depths. Drying heights.

Source: Port of London Authority

There are a total of eight insertions of new depths and 11 deletions affecting 5 charts according to the following schedule.

Insertions:

1.  drying height 1 1 enclosed by 0m low water line at 51° 34´·72N., 1° 08´·07E.

2.  depth 13 enclosed by 2m contour at 51° 34´·52N., 1° 07´·24E.

3.  depth 02 enclosed by 2m contour at 51° 34´·46N., 1° 06´·61E.

4.  depth 07 and extend 2m contour NW to enclose 51° 33´·79N., 1° 08´·32E.

5.  depth 4 enclosed by 5m contour at 51° 33´·57N., 1° 07´·74E.

6.  depth 5 enclosed by 5m contour at 51° 33´·43N., 1° 07´·30E.

7.  drying height 0 4 enclosed by 0m low water line at 51° 32´·79N., 1° 02´·00E.

Deletions

8.    depth 115 , adjacent to: 2. above

9.    depth 36 , close NW of: 3. above

10.  depth 8, close N of: 4. above

11.  depth 07 , close SE of: 4. above

12.  depth 75 , adjacent to: 3. above

13.  depth 4, close W of: 7. above

14.  depth 86 , close NW of: 2. above

15.  depth 6, close WSW of: 1. above

16.  depth 86 , adjacent to: 4. above

17.  depth 76 , adjacent to: 7. above

18.  depth 86 , adjacent to: 6. above

Chart 1183 ETRS89 DATUM

Insert items 6 and 7

Chart 1606 ETRS89 DATUM

Insert items 4, 5 and 6

Delete items 12 and 18

Chart 1607 ETRS89 DATUM

Insert items 1 to 7

Delete items 8 to 13

Chart 1609 ETRS89 DATUM

Insert items 1 to 7

Delete items 8 and 12 to 17

Chart 1975 ETRS89 DATUM

Insert items 1 to 3.

Delete items 8 and 9.

Affects:

Admiralty Charts: 1183, 1606, 1607, 1609 and 1975.

Imray Charts: C1

Admiralty Leisure Folio: 5606.2, 5606.6

Imray Leisure Folios: 2100.1

Some surprising reductions in depth on the south side of the West Barrow Sands, at the North Knob adjacent to the Barrow No 10 Port Hand Buoy and in Knob Gat.

If you use this part of the Barrow Deep and Knob Gat, these depths are important to note.

Image courtesy of Imray ID10.  Left click to enlarge, right click to download.

Week 52

East Coast of England - Harwich Approaches

Date: On or about 8th March, 2012.

1. Station: Walker Lighted Buoy.  Latitude 51° 53’.791N., Longitude 001° 33’.903E.

Amendment: Existing buoy discontinued and a new buoy established in lieu.

Characteristics: Pillar: Yellow above Black above Yellow: Q(9)15 seconds. West Cardinal Topmark.

2. Station: S.W. Shipwash Lighted Buoy Latitude 51° 54’.750N., Longitude 001° 34’.213E.

Amendment: Existing buoy discontinued and a new buoy established in lieu.

Characteristics: Pillar: Yellow: Fl.Y. 2.5 seconds. Yellow ‘X’ Topmark.

Trinity House Notices to Mariners No 46/2011 (C15)

Affects:

Admiralty Charts: 2052.

Admiralty Leisure Folios: 5607.2.

Imray Charts: C1, C25 and C30.

Images courtesy of Imray ID10.  Left click to enlarge; right click to download.

Week 44

Notice 4991 - ENGLAND - Thames Estuary - Gunfleet Sand - Gunfleet Sands Wind Farm - Wind turbines.

Source: DONG Energy Power (UK) Ltd

Note: On Chart 1975 the vertical clearances remain unchanged.

Chart 1183 ETRS89 DATUM

Substitute:

symbol, wind turbine, Fl.Y.2·5s5M (77) for symbol, wind turbine Fl.Y.5s5M (77) 51° 44´·74N., 1° 17´·43E.

symbol, wind turbine, Fl.Y.5s2M (77) for symbol, wind turbine Fl.Y.2·5s2M (77) 51° 43´·51N., 1° 14´·98E.

Chart 1975 ETRS89 DATUM

Amend

F9 wind turbine to, Fl.Y.2·5s5M (77) (F.R Lts) 51° 44´·74N., 1° 17´·43E.

G5 wind turbine to, Fl.Y.5s2M (77) (F.R Lts) 51° 43´·51N., 1° 14´·98E.

Affects:

Admiralty Charts: 1183 and 1975.

Admiralty Leisure Folios: 5607.2, 5607.4.

Imray Charts: C1 (Wind Farm Lights not shown on current edition).

Imray Folio charts 2000.1

This changes the light characteristics on two of the wind turbines at the edge of the Gunfleet Sands Wind Farm.  The first change affects the northerly of two lit turbines on the very eastern edge of the Wind Farm.

The second alters the characteristics of the middle lit wind turbine on the Swin side of the Wind Farm.

I regret no image is possible at the moment.

Week 39

Notice 4403 - ENGLAND - East Coast - Sunk Inner Anchorage - Depths.

Source: Marine Management Organisation

Charts 1975, 2052 and 2692 ETRS89 DATUM

Insert depth 174 and extend 20m contour W to enclose (a) 51° 48´·96N., 1° 29´·86E.

Charts 1975 and 2052

Delete depth 195 , close SE of: (a) above

Affects:

Admiralty Charts: 1975, 2052 and 2692.

Admiralty Leisure Folios: 5607.2.

Imray Charts: C1

Imray Leisure Folios: 2000.1.

Unlikely to affect leisure users.  Reduction in depth at the head of the East Swin.

Image courtesy of Imray ID10.  Red Correction symbol indicates position of new sounding.  Left click to enlarge, right click to download.

Week 36

Notice 4021 - ENGLAND - East Coast - Thames Estuary - South West Sunk - Less water.

Source: Mr R Gaspar

Chart 1975 ETRS89 DATUM

Insert legend, Less water reported (2011), centred on: 51° 37´·30N., 1° 16´·20E.

Affects:

Admiralty Charts: 1975.

Admiralty Leisure Folios: 5606.6, 5607.2

Imray Charts: C1 and C30

Imray Folio Charts: 2100.1

This correction is based upon the experience of the motor yacht Mystique in July, 2011 which went aground exactly on the spot charted as 3.7m.

IMPORTANT CORRECTION – see chartlet on our downloads page.

Image courtesy of Imray ID10.  Left click to enlarge, right click to download.

Week 35

Notice 3813 - ENGLAND - South East Coast - Ramsgate Eastwards and North East Spit - Depths. Territorial sea limit.  Fishery limit.

Source: UKHO

Charts 1183, 1607, 1610 ETRS89 DATUM and Chart 2449 WGS84 DATUM

Insert: depth 78 (a) 51° 26´·51N., 1° 28´·00E.

Delete: depth 81 , close SW of: (a) above and on Chart 1607 also delete depth 84 , close NE of: (a) above

Chart 1610 ETRS89 DATUM

Insert the accompanying block, showing amendments to territorial sea and fishery limit, centred on: 51° 20´·10N., 1° 48´·80E.

Chart 2449 WGS84 DATUM

Insert the accompanying block, showing amendments to territorial sea and fishery limit, centred on: 51° 19´·80N., 1° 48´·90E.

Affects:

Admiralty Charts: 1183, 1607, 1610 and 2449.  Note this also affects Chart 1828 but is already included in the latest print.

Admiralty Leisure Folios: 5606.1, 5606.3, 5606.4

Imray Charts: C1 and C30

Imray Folio Charts: 2100.1

Two items but unlikely to affect leisure users:

1.  Slight reduction on the North-East Spit of the East Margate Sand but still over 7m at Chart Datum.

2.  A change in the territorial and sea fishing limits at the South Falls.

Red symbol indicates position of new sounding.  Image courtesy of Imray ID10; left click to enlarge, right click to download.

Admiralty Blocks for revised Territorial and Sea Fishing Limits

PDF Download for Chart 1610

PDF Download for Chart 2449

Week 27

Admiralty Charts to be published 7th July 2011

Chart 1975 England – East Coast, Thames Estuary, Northern Part.  1:50,000

Includes changes to depths in the Sunk Precautionary Area from the latest British Government and Trinity House surveys. Also includes changes to depths and buoyage in the River Crouch.

Week 28

Notice 3044 - ENGLAND - East Coast - Felixstowe South-eastwards - Sunk Inner Precautionary Area - Depths.

Source: UKHO

Note: This update has been included in a New Edition of Chart 1975 published 7 July 2011.

Chart 2052 ETRS89 DATUM

Insert:

depth 11 51° 50´·12N., 1° 36´·37E.

depth 101 51° 49´·65N., 1° 35´·35E.

depth 126 51° 49´·41N., 1° 36´·09E.

Affects:

Admiralty Charts: 1975, 2052

Admiralty Leisure Folios: 5607.1, 5607.2, 5606.5

Imray Charts: C1.

Imray Folio Charts: 2000.1

Depths to the north and north west of the Trinity South Cardinal Buoy in the Inner Sunk Precautionary Area.  Unlikely to be of consequence to leisure sailors.

Week 24

Admiralty Charts to be published 7 July 2011

1975 England – East Coast, Thames Estuary, Northern Part.

Includes changes to depths in the Sunk Precautionary Area from

Week 23

Admiralty Charts to be published 9 June 2011

Chart 2692 - England – East Coast, Sunk Inner Precautionary Area.  1:25,000

Note: This chart is to be deleted from the list of charts affected by Notice 6078(T)/10.

Includes changes to depths from the latest British Government and Trinity House surveys.

Week 23

Notice 2410  ENGLAND - South East Coast - Dover Strait - The Varne North-eastwards - Sandettié Bank – Cautionary notes. Legends.

Source: International Maritime Organization

Chart 323 ETRS89 DATUM

Insert the accompanying block, showing amendments to cautionary notes, centred on: 50° 57´·5N., 2° 13´·1E.

legend, Crossing Traffic (see Note), orientated NW/SE, centred on: 51° 05´·00N., 1° 35´·00E.  51° 07´·60N., 1° 41´·40E.

Chart 1610 ETRS89 DATUM

Insert the accompanying block, showing amendments to cautionary notes, centred on: 51° 14´·3N., 1° 10´·9E.  legend, Crossing Traffic (see Note), orientated NW/SE, centred

on: 51° 04´·60N., 1° 34´·80E.  51° 08´·50N., 1° 43´·30E.

Chart 1892 ETRS89 DATUM

Insert the accompanying block, showing amendments to cautionary notes, centred on: 50° 44´·3N., 1° 51´·0E.  legend, Crossing Traffic (see Note), orientated NW/SE, centred

on: 51° 04´·90N., 1° 35´·00E.

51° 08´·05N., 1° 41´·70E.

Chart 2449 WGS84 DATUM

Insert the accompanying note, SANDETTIÉ-DEEP WATER ROUTE, centred on: 50° 56´·00N., 2° 51´·00E. the accompanying note, CROSSING TRAFFIC, centred on: 50° 52´·30N., 2° 51´·00E.

legend, Crossing Traffic (see Note), orientated NW/SE, centred on: 51° 04´·50N., 1° 35´·50E.  51° 08´·50N., 1° 43´·50E.

Delete former note, SANDETTIÉ-DEEP WATER ROUTE, centred on: 50° 54´·20N., 3° 06´·40E.

Chart 2451 WGS84 DATUM

Insert the accompanying note, CROSSING TRAFFIC, centred on: 51° 08´·00N., 0° 55´·00E.  legend, Crossing Traffic (see Note), orientated NW/SE, centred on: 51° 03´·85N., 1° 34´·50E.

Chart 5500 (Panel B) UNDETERMINED DATUM

Insert the accompanying block, showing amendments to cautionary note, centred on: 50° 54´·4N., 2° 29´·8E.

Affects:

Admiralty Charts: 323, 1610, 1892, 2449, 2451 and 5500

Admiralty Leisure Folios: 5606.1 and 5606.3

Imray Charts: C8 and C30

Imray Folio Charts: 2100.5, 2100.6 and 2100.7

This Notice whilst quite lengthy because of all the variations for different Admiralty Charts effectively comprises two messages for commercial shipping: first a warning to crossing traffic in the Dover Straits leaving the north-east going lane and crossing the south-west going lane.  Second, guidance about use of the Sandettie Deep Water route (for vessels with a draught of 16m or more) and the use by vessels of less than 16m draught of the main lane south-east of the Sandettie Bank.

It follows that leisure vessels should not be in the Deep Water route!   

The notice comprises blocks (all similar within their subject) for pasting on Admiralty Charts.  All can be downloaded here as PDF files for cutting and pasting.

Chart 323

Insertion regarding ‘Crossing Traffic’

Chart 1610

Insertion regarding ‘Crossing Traffic’

Chart 1892

Insertion regarding ‘Crossing Traffic’

Chart 2449

1. Insertion regarding the ‘Sandettie Deep Water route.

2.  Insertion regarding ‘Crossing Traffic’

Chart 2451

Insertion regarding ‘Crossing Traffic’

Chart 5500

Insertion regarding the ‘Sandettie Deep Water route’

Week 23

Notice 2448 - ENGLAND - Thames Estuary - Foulger.s Gat - Buoyage.

Source: Trinity House Notice 24/11

Charts 1183, 1606, 1607 and 1975 ETRS89 DATUM

Delete Safe Water Mark Mo(A)15s Long Sand Inner  at 51° 38´·78N., 1° 25´·63E. and Safe Water Mark  LFl.10s Long Sand Outer at

51° 35´·90N., 1° 26´·00E.

Affects:

Admiralty Charts: 1183, 1606, 1607 and 1975

Admiralty Leisure Folios: 5606.11 Plan B

Imray Charts: C1

Imray Folio Charts: 2100.3

This is the removal of both Safe Water Marks from Foulgers’ Gat during the construction of the London Array Wind Farm.  They should be replaced when work is complete.

Week 20

EAST COAST OF ENGLAND - THAMES ESTUARY

FOULGER’S GAT

Date                 :           On or about 14th May, 2011.

During construction of the London Array Offshore Wind Farm, navigation through Foulger’s Gat is not recommended. Consequently and in order to facilitate the construction of the London Array Offshore Wind Farm it has become necessary to temporarily remove the following lighted buoys:-

1. Station:           Long Sand Inner Lighted Buoy.

Position   :           51 deg 38’.800N., 001 deg 25’.600E.

2. Station:           Long Sand Outer Lighted Buoy.

Position   :           51 deg 35’.900N., 001 deg 26’.000E.

Further notice will be given when the buoys are to be re-established

Trinity House Notice to Mariners No.24/11 C9

Week 20

Admiralty Charts to be published 9 June 2011

Chart 2692 England – East Coast, Sunk Inner Precautionary Area.

Includes changes to depths from the latest British Government and Trinity House surveys

Week 14

Notice 1476  ENGLAND - Thames Estuary - Long Sand Head North-eastwards - Depths.

Source: Trinity House

Chart 2692 ETRS89 DATUM

Insert:

depth 42 enclosed by 5m contour and extend 10m contour N to enclose 51° 47´·66N., 1° 36´·82E.

depth 73 enclosed by 10m contour 51° 47´·70N., 1° 36´·89E.

depth 122 enclosed by 15m contour 51° 47´·78N., 1° 37´·02E.

Affects:

Admiralty Charts: 108, 1190 and 1200

Admiralty Leisure Folios: 5607.2, 5606.9, 5606.10

Imray Charts: C1, and C30

Imray Folio Charts: 2000.1

Reduced depths at the Long Sand Head. Whilst these new depths will in general not trouble leisure users in settled weather, this is continuing evidence of the extension north-east of the Long Sand Head.  Note that the Black Deep PHB has already been moved twice to reflect earlier changes in the last six months.

Red Spots mark the position of the new soundings.

Image courtesy of Imray ID10

2011 Week

8

Notice 849  ENGLAND - East Coast - Thames Estuary - Long Sand and Knock Deep - Wind farm. Legend.

Cautionary note.

Source: London Array Ltd.

Charts 1183 and 1610 ETRS89 DATUM

Insert limit of wind farm, pecked line, joining:

(a) 51° 42´·30N., 1° 30´·00E.

(b) 51° 40´·55N., 1° 33´·20E.

(c) 51° 37´·50N., 1° 34´·75E.

(d) 51° 34´·15N., 1° 34´·55E.

(e) 51° 34´·40N., 1° 27´·30E.

(f) 51° 35´·65N., 1° 25´·05E.

(g) 51° 38´·10N., 1° 24´·10E.

legend, London Array Offshore Wind Farm Under construction (2011-12), within: (a)-(g) above

the accompanying note, (For Chart 1183 -WIND FARMS UNDER CONSTRUCTION, centred on: 51° 55´·60N., 1° 10´·18E) (For Chart 1610 - WIND FARMS UNDER CONSTRUCTION, centred on: 52° 07´·40N., 1° 11´·00E.)

Chart 1606 ETRS89 DATUM

Insert limit of wind farm, pecked line, joining:

(a) 51° 36´·40N., 1° 24´·76E.(scales)

(b) 51° 35´·65N., 1° 25´·05E.

(c) 51° 34´·72N., 1° 26´·72E. (E border)

legend, London Array Offshore Wind Farm Under const (2011-12), within: (a)-(c) above

the accompanying note, WIND FARMS UNDER

CONSTRUCTION, centred on: 51° 33´·56N., 1° 06´·73E.

Chart 1607 ETRS89 DATUM

Insert limit of wind farm, pecked line, joining:

(a) 51° 36´·60N., 1° 34´·70E. (scales)

(b) 51° 34´·15N., 1° 34´·55E.

(c) 51° 34´·40N., 1° 27´·30E.

(d) 51° 35´·65N., 1° 25´·05E.

(e) 51° 36´·96N., 1° 24´·54E. (N border)

legend, London Array Offshore Wind Farm Under construction (2011-12), within: (a)-(e) above

the accompanying note, WIND FARMS UNDER

CONSTRUCTION, centred on: 51° 21´·30N., 0° 57´·89E.

Chart 1975 ETRS89 DATUM

Insert limit of wind farm, pecked line, joining:

(a) 51° 35´·00N., 1° 26´·22E. (scales)

(b) 51° 38´·10N., 1° 24´·10E.

(c) 51° 42´·30N., 1° 30´·00E.

(d) 51° 40´·55N., 1° 33´·20E.

(e) 51° 37´·50N., 1° 34´·75E.

(f) 51° 34´·80N., 1° 34´·55E. (scales)

legend, London Array Offshore Wind Farm Under construction (2011-12), within: (a)-(f) above

the accompanying note, WIND FARMS UNDER

CONSTRUCTION, centred on: 51° 51´·65N., 0° 56´·60E.

Chart 2449 WGS84 DATUM

Insert limit of wind farm, pecked line, joining:

(a) 51° 40´·66N., 1° 33´·26E. (N border)

(b) 51° 37´·50N., 1° 34´·75E.

(c) 51° 34´·15N., 1° 34´·55E.

(d) 51° 34´·40N., 1° 27´·30E.

(e) 51° 35´·65N., 1° 25´·05E.

(f) 51° 38´·10N., 1° 24´·10E.

(g) 51° 40´·66N., 1° 27´·69E. (N border)

legend, London Array Offshore Wind Farm Under construction (2011-12), within: (a)-(g) above

the accompanying note, WIND FARMS UNDER

CONSTRUCTION, centred on: 50° 50´·30N., 2° 51´·00E.

Affects:

Admiralty Charts 1183, 1606, 1607, 1610, 1975

Admiralty Leisure SC 5607.1 (Orfordness to Oostende),

Imray Chart C1, Kent and Suffolk Coast Folio Chart 2100.1 (Thames Estuary South)

This is rather a long notice for one addition to show the position of the London Array.  Each of the Admiralty charts of the area has slightly different lat/long references which for the most part are of little consequence.

Image courtesy of Imray Digital Pilot

Week

8

Notice 850 ENGLAND - Thames Estuary - Queens Channel - Legend. Anchorage area. Cautionary note.

Source: Port of London Authority

Charts 1606 and 1607 ETRS89 DATUM

Insert circular limit of anchorage area, radius 400m, pecked line, centred on:

(a) 51° 27´·30N., 1° 15´·90E.

(b) 51° 27´·50N., 1° 17´·70E.

(c) 51° 27´·70N., 1° 19´·70E.

Q1, within: (a) above

Q2, within: (b) above

Q3, within: (c) above

Chart 1183 ETRS89 DATUM

Insert legend, Bunkering Anchorages, between: 51° 26´·90N., 1° 15´·60E. and 51° 27´·50N., 1° 20´·00E.

Chart 1606 legend, BUNKERING ANCHORAGES (see Note), between: 51° 27´·15N., 1° 17´·12E. and 51° 27´·38N., 1° 18´·63E. the accompanying note, BUNKERING ANCHORAGES, centred on: 51° 33´·87N., 1° 06´·72E.

Chart 1607 legend, Bunkering Anchorages (see Note), between: 51° 27´·00N., 1° 16´·30E.

51° 27´·30N., 1° 19´·50E. the accompanying note, BUNKERING ANCHORAGES, centred on: 51° 31´·50N., 1° 53´·25E.

Affects:

Admiralty Charts: 1183, 1606, 1607.

Admiralty Leisure Folios: SC 5607.1 (Orfordness to Oostende),

Imray Charts: C1,

Imray Folio Charts: 2100.1 (Thames Estuary South)

Ship anchorage point in the Queens Channel for Bunkering

Image courtesy of Imray Digital Pilot

Week

7

Trinity House Notice 14 of 2011

Black Deep Lighted Buoy (PHB)

Moved 067º 460 metres to Latitude 51º 47’.791N., Longitude 001º 36’.310E.

Affects:

Admiralty Charts: 1975

Admiralty Leisure Folios:SC 5607.1 (Orfordness to Oostende), SC 5607.2 (Foulness Point to Landguard Point)

Imray Chart C1,

Imray Folio Charts: 2000.1 (Suffolk and Essex Coasts), 2100.1 (Thames Estuary South)

Port Hand Buoy ‘Black Deep’ moved again to the north east to reflect the extending shoaling of the Long Head Sand moving north-east.

This buoy was moved vide Admiralty Notice 3944 in week 32 of 2010

Image Courtesy of Imray Digital Pilot

Week

7

Notice 674 - ENGLAND - Thames Estuary - NE Middle - Obstruction.

Source: Port of London Authority

Charts 1183 and 1975

Insert  at 51° 40´·92N., 1° 15´·98E.

Please note: this correction is not yet published in Admiralty Leisure Notices to Mariners only in the Main Weekly Notices

Affects:

Admiralty Charts: 1183 and 1975

Admiralty Leisure Folios: SC 5607.2 (Foulness Point to Landguard Point)

Imray Charts: C1,

Imray Folio Charts: 2000.1 (Suffolk and Essex Coasts)

New obstruction at the edge of the NE Middle shoal but at a depth that is not hugely significant to yachts.  The location is illustrated here.

Image courtesy of Imray Digital Point

Week 6

Notice 616 - ENGLAND - East Coast - Thames Estuary, Southern Part - Margate Sand South-westwards - Depths.

Source: UKHO

Chart 1607 ETRS89 DATUM

Insert: depth 07 enclosed by 2m contour (a) 51° 24´·29N., 1° 16´·59E.

Delete: depth 57 and associated 10m contour, close E of: (a) above

Affects:

Admiralty Charts: 1607

Admiralty Leisure Folios: SC 5606.4 (Gull Stream to Princes Channel), 5606.5 (Princes Channel to Medway Approach Channel)

Imray Charts: C1,

Imray Folio Charts: 2100.1 Thames Estuary South

New depth at the south edge of the Last Sand.  This is to the north and outside the Gore Channel about 0.4nm north of the South Margate Starboard Hand Buoy.

2010

Week 51

Notice 6187 - ENGLAND - Thames Estuary – Foulger’s Gat - Wreck.

Source: rv Discovery

Charts 1183, 1606, 1607, 1975 ETRS89 DATUM

At 51° 36´·37N., 1° 25´·18E insert the symbol for wreck depth unknown and considered dangerous to surface navigation.

New wreck on that part of the Long Sand between Foulger’s Gat and Fisherman’s Gat.  It is on the shallow side of the 5m contour line  at the south west side of Foulger’s Gat.  Keeping close to the Long Sand Outer safe water mark should ensure it is avoided.

Shown here as ‘Dangerous Wreck’

Image courtesy of Imray Digital Pilot

Week

50

Notice 6001 - ENGLAND - Thames Estuary - Knob Channel - Buoyage.

Source: Trinity House Notice 34/10

Charts 1183, 1606, 1607 ETRS89 DATUM

Delete:

Starboard Hand Buoy  G.5s SE Knob at 51° 30´·89N., 1° 06´·41E.

North Cardinal Buoy VQ NW Shingles at 51° 31´·26N., 1° 09´·72E.

Port Hand Buoy (2)R.5s Mid Shingles at 51° 31´·96N., 1° 11´·97E.

Port Hand Buoy Fl.R.2·5s N Shingles at 51° 32´·78N., 1° 14´·20E.

North Cardinal Buoy Q Shingles Patch at 51° 33´·01N., 1° 15´·36E.

South Cardinal Buoy Q(6)+LFl.15s Tizard at 51° 32´·93N., 1° 12´·89E.

Starboard Hand Buoy at Q.G NE Knob at 51° 32´·03N., 1° 09´·99E.

Chart 1609 ETRS89 DATUM

Delete:

Starboard Hand Buoy  G.5s SE Knob at 51° 30´·89N., 1° 06´·41E.

North Cardinal Buoy VQ NW Shingles at 51° 31´·26N., 1° 09´·72E.

Starboard Hand Buoy at Q.G NE Knob at 51° 32´·03N., 1° 09´·99E.

Removal of all buoyage for the Knob Channel.

Knob Channel leads from the Knock John Channel (at the bottom of the Black Deep) to the South and North Edinburgh Channels.  Since the Edinburghs are no longer marked themselves, there was little point for Trinity House to retain this buoyage.

This means there is nothing between the entrance to the Princes Channel and the NW Long Sand Beacon to mark the Shingles.

Week

49

Notice 5861 - ENGLAND - Thames Estuary – Foulger’s Gat and Black Deep - Depths. Buoy.

Source: Trinity House

Chart 1183 ETRS89 DATUM

Insert:

depth 16 enclosed by 2m contour (a) 51° 37´·50N., 1° 26´·51E.

depth 33 (b) 51° 36´·32N., 1° 26´·10E.

Move:

Starboard Hand Buoy Fl(3)G.15s No 3, from: 51° 42´·40N., 1° 26´·52E. to: 51° 42´·39N., 1° 26´·66E.

Delete: depth 23 , close NE of: (a) above

depth 49 , close NNE of: (b) above

depth 38 , close SE of: (b) above

Charts 1606, 1607 ETRS89 DATUM

Insert depth 33 (a) 51° 36´·32N., 1° 26´·10E.

Delete depth 47 , close N of: (a) above

Chart 1975 ETRS89 DATUM

Insert:

depth 16 enclosed by 2m contour 51° 37´·50N., 1° 26´·51E.

depth 26 51° 37´·06N., 1° 26´·33E.

depth 33 51° 36´·32N., 1° 26´·10E.

Move:

Starboard Hand Buoy Fl(3)G.15s Black Deep No 3, from: 51° 42´·42N., 1° 26´·47E. to: 51° 42´·39N., 1° 26´·66E.

Delete:

depth 4 51° 37´·29N., 1° 26´·28E.

Reductions in depth in Foulger’s Gat.  The first sounding is outside the line of the Gat to the east of the channel, the second (b) though is a reduction in depth pretty much in line between the Long Sand Inner and Long Sand Outer, just north of the Long Sand Outer.  Indicative of a general reduction of depths in this area.

This is a small movement in the Black Deep No 3 buoy

Week

40

Notice 4774 - ENGLAND - Thames Estuary - Gunfleet Sand, North Falls North-westwards, Knock Deep and Fishermans Gat - Wind turbines. Lights. Fog signals. Submarine power cables. Offshore installation. Buoyage. Depths.

Wrecks. Legends. Cautionary note. Works.

Source: DONG Energy

Chart 1183 ETRS89 DATUM

Insert:

the accompanying block, showing new wind turbines, submarine power cables, lights, legend, wrecks and amendments to buoyage, works and depths 51° 44´·20N., 1° 14´·80E.

the accompanying note, GUNFLEET SANDS WIND FARM,

centred on: 51° 45´·35N., 0° 49´·80E.

Yellow Buoy Fl(5)Y.20s (5 buoys) 51° 42´·50N., 1° 51´·00E.

Yellow Buoy Fl(5)Y.20s (3 buoys) 51° 37´·08N., 1° 30´·39E.

Yellow Buoy Fl(5)Y.20s 51° 34´·65N., 1° 23´·67E.

Chart 1406 WGS84 DATUM and Chart 1610 ETRS89 DATUM

Insert:

Yellow Buoy Fl(5)Y.20s (5 buoys)

51° 42´·50N., 1° 51´·00E.

Charts 1606, 1607 ETRS89 DATUM

Insert:

Yellow Buoy Fl(5)Y.20s 51° 34´·65N., 1° 23´·67E.

Chart 1975 ETRS89 DATUM

Insert the accompanying block, showing new wind turbines, submarine power cables, lights, fog signals, legend, wrecks and amendments to buoyage, works and depths, centred on: 51° 43´·80N., 1° 14´·25E.

the accompanying note, GUNFLEET SANDS WIND FARM,

centred on: 51° 48´·45N., 1° 11´·25E.

Yellow Buoy Fl(5)Y.20s (3 buoys) 51° 37´·08N., 1° 30´·39E.

Yellow Buoy Fl(5)Y.20s 51° 34´·65N., 1° 23´·67E.

Block for Chart 1183 - Download pdf file here - Click on Image for djpg download

Block for Chart 1975 - Download pdf file here - Click on Image for djpg download

Week

32

Notice 3944 - ENGLAND - East Coast - Sunk Inner Precautionary Area - Long Sand Head Northwards and Northeastwards - Depths. Buoy.

Source: Trinity House

Chart 1183 ETRS89 DATUM

Insert depth 96 and extend 10m contour NE to enclose 51° 47´·70N., 1° 37´·04E.

Chart 1975 ETRS89 DATUM

Insert:

depth 45 and extend 5m contour NE to enclose (a) 51° 47´·62N., 1° 36´·74E.

depth 96 and extend 10m contour NE to enclose 51° 47´·70N., 1° 37´·04E.

depth 119 51° 47´·82N., 1° 37´·64E.

Move:

Port Hand Buoy Q.R Black Deep, from: 51° 47´ ·60N., 1° 35´·79E. to: 51° 47´·69N., 1° 35´·94E.

Delete: depth 88 , adjacent to: (a) above

Chart 2692 ETRS89 DATUM

Insert:

depth 45 enclosed by 5m contour (a) 51° 47´·62N., 1° 36´·74E.

depth 96 enclosed by 10m contour 51° 47´·70N., 1° 37´·04E.

depth 119 (b) 51° 47´·82N., 1° 37´·64E.

Move:

Port Hand Buoy Q.R Black Deep, from: 51° 47´ ·60N., 1° 35´·79E. to: 51° 47´·69N., 1° 35´·94E.

Delete:

depth 96 , close E of: (a) above

depth 126 , close S of: (b) above

Port Hand Buoy ‘Black Deep’ moved to the north east to reflect the extending shoaling of the Long Head Sand moving north-east.

Week

26

Notice 3140 - ENGLAND - East Coast - Approaches to Sheerness, Sheerness Small Ship Anchorage and Great Nore Anchorage and Yantlet Channel, Leigh Small Ship Anchorage - Depths. Buoy.

Source: Medway Port Authority & Port of London Authority

Chart 1185 ETRS89 DATUM

Insert:

depth 98 and extend 10m contour S to enclose (a) 51° 28´·55N., 0° 48´·02E.

depth 95 and extend 10m contour S to enclose 51° 28´·60N., 0° 48´·50E.

depth 96 and extend 10m contour S to enclose 51° 28´·62N., 0° 48´·78E.

Delete:

depth 115 , close S of: (a) above

Yellow Buoy with X topmark Fl.Y.2s at 51° 30´ ·03N., 0° 42´·88E.

Chart 3683 ETRS89 DATUM

Insert:

depth 52 51° 27´·445N., 0° 47´·024E.

depth 98 enclosed by 10m contour 51° 28´·553N., 0° 48´·019E.

depth 95 and extend 10m contour S to enclose 51° 28´·598N., 0° 48´·503E.

depth 96 and extend 10m contour S to enclose 51° 28´·621N., 0° 48´·779E.

Substitute:

depth 67 for depth 8 51° 28´·673N., 0° 48´·776E.

Reductions in depths at the Great Nore.  Not significant for yachts.

Week

25

Notice 3006 - ENGLAND - East Coast - Sunk DW Anchorage - Foul.

Source: Dover Coastguard

Insert   at 51° 53´·52N., 1° 41´·80E.

Foul Anchorage at the Sunk Deep Water Anchorage

Week

19

Notice 2257 - ENGLAND - East Coast - Sunk DW Anchorage - Foul.

Source: Maritime and Coastguard Agency

Charts 1183, 1610, 2052 and 2692 ETRS89 DATUM

Insert: at 51° 53´·6N., 1° 40´·7E.

Foul bottom in the Sunk Deep Water Anchorage.  As the depth here is 25 metres this is of little consequence to leisure sailors

Week

17

Notice 2046 - ENGLAND - Thames Estuary - Knock John Channel South-westwards - Fog signal.

Source: Trinity House Notice 4/10

Chart 1183 ETRS89 DATUM

Delete fog signal, Bell, at Knob light-buoy 51° 30´·70N., 1° 04´·28E.

Charts 1607 and 1609 ETRS89 DATUM

Amend fog signal to, Whis, at Knob light-buoy 51° 30´·70N., 1° 04´·28E.

The fog signal on the Knob lightbuoy has changed from a Bell to a Whistle.  The Knob lightbuoy is a safe water buoy situated where the Knock John Channel and the Knob Channels meet north of the Shivering Sands Towers.

Week

15

Notice 1807 - ENGLAND - East Coast - Orford Ness South-eastwards and Long Sand Head North-eastwards - Fog signals.

Source: Trinity House Notice 3/10

Charts 1183, 1975, 2052 and 2692 ETRS89 DATUM

Amend fog signal to, Whis, at Long Sand Head light-buoy 51° 47´·91N., 1° 39´·43E.

Charts 1406 WGS84 DATUM and Chart 1610 ETRS89 DATUM

Delete:

fog signal, Bell, at N Shipwash light-buoy 52° 01´·73N., 1° 38´·23E.

fog signal, Bell, at Long Sand Head light-buoy 51° 47´·91N., 1° 39´·43E.

Chart 1408 WGS84 DATUM

Delete fog signal, Bell, at N Shipwash light-buoy 52° 01´·73N., 1° 38´·23E.

Two changes to Fog Signals, one in the Shipway and one  in the vicinity of the Sunk gyratory.  The North Shipwash North Cardinal Buoy at the head of North Ship Head has had it’s Bell removed and the Fog Signal at the Long Sand Head North Cardinal Buoy is changed to a Whistle

Week

8

Notice 1020 - ENGLAND - Thames Estuary - Sunk Sand - Obstruction. Beacon.

Source: Port of London Authority

Charts 1183 and 1975 ETRS89 DATUM

Substitute  

At 51° 39´·43N., 1° 20´·63E.

Important notice.  This effectively closes the swatchway across the Sunk Sand at this point unless great care is taken and there is total confidence of position

Week

6

Admiralty Chart published 11 February 2010

Chart 1183 - International Chart Series, England – East Coast, Thames Estuary.  1:100,000

Note: On publication of this New Edition former Notice 121(P)/10 is cancelled. This chart remains affected by Notices 3958(T)/09 and 3990(P)/09.

Includes changes to depths from the latest surveys of King’s Channel, Fisherman’s Gat Precautionary Area and the Northern extremity of Long Sand Head.

Week 3

Notice 199 -  ENGLAND - East Coast - Sunk Inner Precautionary Area, Shipway and Goldmer Gat - Long Sand Head Northwards, North Ship Head Northwards and Gunfleet Sand North-eastwards - Drying height. Depths. Legend.

Source: Maritime and Coastguard Agency and Trinity House

Chart 1610 ETRS89 DATUM

Insert drying height 0 5 enclosed by low water line (a) 51° 47´·28N., 1° 35´·97E.

depth 3.3 and extend 5m contour NE to enclose 51° 47´·54N., 1° 36´·52E.

Delete depth 02 , adjacent to: (a) above

Long Sand Head is extending north-east and care should now be taken not to cross the head of the sand too close to the Black Deep PHM