Notices - River Thames Sea Reach to Tower Bridge - Scroll down as necessary

Week 11


ENGLAND - East Coast - Depths.


Insert:


depth, 1.7, and extend 2m contour E to enclose 51° 30´·46N., 0° 33´·11E.  Delete depth, 2.7, close NE and depth, 1.8, close NW.

depth, 3.2 at 51° 30´·448N., 0° 33´·237E.  Delete depth, 3.7, close NW.


Replace:


depth, 4.6, with depth, 3.3 at 51° 30´·492N., 0° 33´·421E.


Notice 1179 refers


Base image is from Imray IN5036 by courtesy of Imray and Meridian Chartware.


Notice 1179 of 2026.pdf

Notice 26 1179.pdf




Affects:


UKHO SNC: 1185 and 1186 (Panel A, Canvey Island to Coalhouse Point).

UKHO SCC: 5606.8

Imray Main Charts: C1

Imray Leisure Charts: 2100.2.


Three reductions of depth in Sea Reach, River Thames, at the entrance of Hole Haven


Week 09


ENGLAND - East Coast - Depths. Pontoon.


Insert:


depth, 3.8 at 51° 29´·881N., 0° 02´·131E.  Delete depth, 4.8, close NE and depth, 3.5, close NW.

depth, 3.9, and extend 5m contour NW to enclose 51° 29´·799N., 0° 01´·883E.  Delete depth, 5.5, close N and depth, 4.2, close SE.


depth, 1.8, with depth, 1.6 at 51° 30´·517N., 0° 02´·131W.  


Insert:


pontoon, single firm line, joining:


51° 30´·314N., 0° 00´·622E.

51° 30´·267N., 0° 00´·678E.

51° 30´·265N., 0° 00´·672E.

51° 30´·311N., 0° 00´·617E.


Replace:


depth, 5.5, with depth, 5.4 at 51° 29´·773N., 0° 02´·185E.


Delete:


depth, 1.9 at 51° 30´·315N., 0° 00´·617E.

depth, 2.5 at 51° 30´·295N., 0° 00´·647E.


Notice 923 refers


Base image is from Imray IN5030 by courtesy of Imray and Meridian Chartware.


Notice 923 of 2026.pdf

Notice 26 923 combined.pdf




Affects:


UKHO SNC: 3337 (Panel B, Thames Tidal Barrier) and 3337

Imray Main Charts: C2

Imray Leisure Charts: 2100.4 (Panel B).


Three reductions of depth just west of the Woolwich Barrier – all adequate water for leisure craft – one reduction of depth on the approaches to Limehouse Basin lock down to 1.8mCD and a new pontoon in Bugby’s Reach on the east bank generally  opposite North Green Pier.  Three images.


Week 09


ENGLAND - East Coast - Depths.


Insert:


depth, 7.1 at 51° 28´·189N., 0° 14´·988E.  Delete depth, 7.2, close SW.


Replace:


depth, 8, with depth, 7.9 at 51° 27´·803N., 0° 15´·432E.


Notice 933 refers


Base image is from Imray IN5036 by courtesy of Imray and Meridian Chartware.


Notice 933 of 2026.pdf

Notice 26 933.pdf




Affects:


UKHO SNC: 2151

Imray Main Charts: C2

Imray Leisure Charts: 2100.3


Two reductions of depth in the River Thames in the Long Reach, west of the QEII bridge, one very close in by the south support and the second close to the shore at Purfleet.  Both unlikely to hinder leisure craft.




Week 06


New Editions of ADMIRALTY Charts to be published on 19th February, 2026


SN Chart 1186 - International Chart Series, England - East Coast, River Thames, Canvey Island to Tilbury.

A Canvey Island to Coalhouse Point.  1:12,500

B Coalhouse Point to Tilbury.1:12,500



Week 02


ENGLAND - East Coast - Channel limit.


The southern Yantlet Secondary Channel has been extended up until position 51° 28´·998N., 0° 27´·747E., maintaining a 130m width.


Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information.


These changes will be included in a New Edition of Chart 1186 to be published early 2026.


Notice 83(P) of 2026


Base image is from Imray chart IN5037 by courtesy of Imray and Meridian Chartware.


Notice 83(P) of 2026.pdf

Notice 26 83(P).pdf




Affects:


UKHO SNC: 1186.

Imray Main Charts: C2.

Imray Leisure Charts: 2100.2 and 2100.3


The southern Secondary Yantlet Channel has been extended west from the Cliffe Fleet PHB to the Small Craft Crossing Point south of the Lower Hope PHB.  The object may well be to keep the smaller shipping clear of the London Gateway Port which would need container ships turning.  Note that ‘small craft’ are still asked to keep to the south bank.




Week 02


ENGLAND - East Coast - Depths.


Insert


depth, 10.8 at 51° 29´·89N., 0° 40´·56E.  Delete depth, 11.3, close NW.

depth, 11.4 at 51° 29´·74N., 0° 42´·36E.  Delete depth, 12.9, close NW.


Notice 140 refers


Base image is from Imray chart IN5037 by courtesy of Imray and Meridian Chartware.


Notice 140 of 2026.pdf

Notice 26 140.pdf



Affects:


UKHO SNC: 1185.

Imray Main Charts: C2

Imray Leisure Charts: 2100.2


Two slight reductions of depth in the Secondary Yantlet Channel, on close by the Small Craft crossing point and the other east of the Sea Reach No 6 PHB.  Ample water for leisure craft.




Week 01


ENGLAND - East Coast - Lights.


Replace:


, with at:


51° 30´·297N., 0° 30´·495E.

51° 30´·308N., 0° 30´·580E.

51° 31´·027N., 0° 07´·196E.



Delete:


 at:  


51° 30´·849N., 0° 06´·530E.

51° 30´·944N., 0° 06´·866E.

51° 30´·958N., 0° 06´·995E.

51° 31´·004N., 0° 07´·143E.

51° 30´·022N., 0° 10´·206E.

51° 26´·756N., 0° 21´·859E.

51° 26´·683N., 0° 23´·606E.

51° 26´·678N., 0° 23´·727E.

51° 30´·358N., 0° 30´·744E.

51° 30´·366N., 0° 30´·842E.

51° 30´·490N., 0° 33´·749E.

51° 30´·476N., 0° 33´·866E.


Notice 80 refers


Base image is from Imray chart C2 by courtesy of Imray and Meridian Chartware.


Notice 80 of 2026.pdf

Notice 26 80 combined.pdf



Affects:


UKHO SNC: 1186 (Panel A, Canvey Island to Coalhouse Point), 1186 (Panel B, Coalhouse Point to Tilbury), 2151 and 2151 (Panel A, Continuation at same scale).

Imray Main Charts: C2

Imray Leisure Charts: 2100.3 and 2100.4


Tidying some AToN along the River Thames: 3 lights replaced with unlit Dolphins and  12 other lights deleted.

One light deleted and replaced by dolphin at Barking False Point

Three other lights deleted at Barking False Point

One light deleted off Belvedere

Three lights deleted off Gravesend

Two lights deleted and replaced by dolphin off the London Gateway

Two other lights deleted at the London Gateway

Two lights deleted off Holehaven





SCROLL DOWN FOR 2025 NOTICES


Week  51


ENGLAND - East Coast - Automatic Identification Systems.


Insert:


Automatic Identification System, AIS, at:


1. tide gauge at 51° 30´·436N., 0° 04´·721W.

2. light at 51° 29´·861N., 0° 02´·244E.

3. tide gauge at 51° 29´·923N., 0° 02´·770E.

4. tower at 51° 27´·867N., 0° 18´·673E.

5. light at 51° 27´·391N., 0° 20´·098E.

6. light at 51° 27´·734N., 0° 29´·434E.

7. light at 51° 30´·277N., 0° 30´·310E.

8. radar tower at 51° 28´·06N., 0° 37´·74E.

9. light at 51° 30´·87N., 0° 43´·41E.

10. wind turbine at 51° 28´·37N., 1° 06´·38E.

11. light at 51° 50´·60N., 1° 16´·80E.

12. light beacon at 51° 23´·70N., 1° 22´·75E.


Notice 5647 refers


Notice 5647 of 2025.pdf




Affects:


UKHO SNC: 323, 1183, 1185, 1186 (Panel A, Canvey Island to Coalhouse Point), 1186 (Panel B, Coalhouse Point to Tilbury), 1606, 1607, 1609, 1975, 2052, 2151, 3337 and 3337 (Panel B, Thames Tidal Barrier).

UKHO SCC: 5606.4, 5606.5, 5606.7, 5606.8 5607.4.  Note: This update is included in New Editions 5606.2 and 5607.2, published late 2025.

Imray Full Charts: C1 and C2

Imray Leisure Charts: 2100.1, 2100.2, 2100.3 and 2100.4.


AIS installed at 12 sites in the River Thames and Estuary.  Described from the West to East:


1. At the PLA tide gauge at the Tower Pier;

2. On a mid-stream Pier of the Thames Tidal Barrier;

3. At the PLA tide gauge in the Woolwich Reach, east of the Barrier at the pier at the Thames Refinery;

4. On the shore-based tower on the Broadness Saltings (opposite Grays);

5. North side of the entrance to Tilbury Lock in Northfleet Hope, River Thames;

6. Shore-based light on the marshes east of Cliffe Foot in the Lower Hope Reach, River Thames (the ‘Havens Tanker Traffic Warning Light);

7. At the light marking the eastern end of the London Gateway quays in the Sea Reach, River Thames;

8. Shore-based at the PLA Radar Tower at Allhallows on the south bank of the River Thames at the Yantlet Flats.

9. At the light (and tidal gauge) at the eastern side of the end of the Southend Pier;

10. On the wind turbine marking the north-east limit of the Kentish Flats wind farm;

11. At the light at Walton Pier;

12. On the lit north cardinal beacon north of Margate harbour.


Week  49


ENGLAND - East Coast - Depths.


Insert:


depth, 13.4 at 51° 30´·13N., 0° 36´·47E.  Delete depth, 13.6, close W.


Notice 5390 refers


Base image is from Imray chart IN5037 by courtesy of Imray and Meridian Chartware.


Notice 5390 of 2025.pdf

Notice 25 5390.pdf




Affects:


UKHO SNC: 1185.

UKHO SCC: 5606.8.

Imray Full Charts: C2

Imray Leisure Charts: 2100.2


One reduction of depth, centre in the Yantlet Channel of Sea Reach, River Thames, just west of the Sea Reach pair of No 7 buoys.  Part of the constant monitoring of depths in the Yantlet Channel this is unlikely to hinder leisure craft.




Week  49


ENGLAND - East Coast - Lights.


Chart 3337 (Panel B, Thames Tidal Barrier)


Delete:


at:


51° 30´·489N., 0° 04´·956W.

51° 30´·366N., 0° 04´·435W.

51° 30´·351N., 0° 04´·389W.

51° 30´·102N., 0° 03´·993W.

51° 30´·098N., 0° 03´·914W.

51° 30´·092N., 0° 03´·885W.

51° 30´·078N., 0° 03´·878W.

51° 29´·101N., 0° 01´·340W.

51° 29´·044N., 0° 01´·178W.

51° 29´·843N., 0° 00´·089W.

51° 30´·080N., 0° 00´·622E.

51° 30´·252N., 0° 00´·780E.

51° 29´·732N., 0° 01´·105E.

51° 29´·743N., 0° 01´·123E.

51° 29´·725N., 0° 01´·127E.

51° 29´·663N., 0° 01´·562E.

51° 29´·661N., 0° 01´·605E.

51° 29´·681N., 0° 01´·992E.

51° 29´·686N., 0° 02´·020E.

51° 29´·741N., 0° 02´·532E.

51° 29´·889N., 0° 03´·576E.

51° 29´·877N., 0° 03´·704E.

51° 29´·705N., 0° 03´·668E.

51° 29´·706N., 0° 03´·782E.


Notice 5395 refers


Base image is from Imray chart IN5030 by courtesy of Imray and Meridian Chartware.


Notice 5395 of 2025.pdf

Notice 25 5395 combined.pdf




Affects:


UKHO SNC: 3337 (Panel B, Thames Tidal Barrier) and 3337.

Imray Full Charts: C2

Imray Leisure Charts: 2100.4 and 2100.3


A total of 24 lights deleted in the River Thames twixt Custom House (just west of Tower Bridge) and the Woolwich Ferry.  In order:

1 light at Csutom House

2 at the pontoon west of St Katherine Dock entrance

4 at Chambers Wharf, Upper Pool

2 at Greenwich Rach pondoon

1 at Bethels Wharf, Blackwall Reach

2 at the pylon in Bugsby Reach (London Cable Car)

3 at Greenwich yacht club jetty

2 at pontoon at Charlton Wharf, Woolwich Reach

1 at pontoon at Barrier Garden Pier, and

4 (2 north, 2 south) at the Woolwich Ferry Jetties.  


Illustrated





Week  48


ENGLAND - East Coast - Buoyage.


Replace


Fl.Y.2s (seasonal) with Fl(2)R.5s Blackwall

Point at 51° 30´·346N., 0° 00´·106E.


Notice 5247 refers


Base image is from Imray chart IN5030 by courtesy of Imray and Meridian Chartware.


Notice 5247 of 2025.pdf

Notice 25 5247.pdf




Affects:


UKHO SNC: 3337.

Imray Full Charts: C2

Imray Leisure Folios: 2100.4


A seasonal buoy (yellow) just north of the O2 Arena at Blackwall Point in the River Thames is changed to a permanent lit SHB.




Week  47


ENGLAND - East Coast - Depths.


Insert:


depth, 3.3 at 51° 30´·260N., 0° 00´·106W.  Delete depth, 4, close SW.

depth, 5.9 at 51° 29´·878N., 0° 02´·866E.  Delete depth, 6, close N.

depth, 3.5 at 51° 29´·749N., 0° 03´·833E.  Delete depth, 3.7, close E.


Notice 5125 refers


Base image is from Imray chart IN5030 by courtesy of Imray and Meridian Chartware.


Notice 5125 of 2025.pdf

Notice 25 5125 combined.pdf




Affects:


UKHO SNC: 3337.

Imray Full Charts: C2

Imray Leisure Folios: 2100.4 and 2100.3


Three isolated reduction of depth in the River Thames, one in Blackwell Reach close off Blackwell Point, and two in Woolwich Reach, one off the Thames Refinery and a second, just east of the Woolwich Ferry, south side.



Week  44


ENGLAND - East Coast - Depths.


Insert:


depth, 13.7 at 51° 30´·2N., 0° 32´·6E.  Delete depth, 14, close NW and depth, 14.1, close SW.

depth, 14 at 51° 30´·3N., 0° 32´·5E.


Notice 4715 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 4715 of 2025.pdf

Notice 25 4715.pdf




Affects:


UKHO SNC: 1185 and 1186 (Panel A, Canvey Island to Coalhouse Point).

UKHO SCC: 5606.8.

Imray Full Charts: C2

Imray Leisure Folios: 2100.2 and 2100.3


Two reductions of depth in the Yantlet channel in Sea Reach close-by the Tanker PBH.  Unlikely to hinder leisure craft.




Week  42


ENGLAND - East Coast - Depths.


Insert:


depth, 3.4 at 51° 29´·884N., 0° 30´·687E.  Delete depth, 3.8, close NW.

depth, 5.8 at 51° 29´·413N., 0° 28´·282E.  Delete depth, 6.6, close N.W.

depth, 5.4 at 51° 29´·311N., 0° 28´·198E.  Delete depth, 5.7, close SW.

depth, 5.8 at 51° 29´·223N., 0° 28´·051E.  Delete depth, 6.1, close NE.

depth, 5, and extend 5m contour NW to enclose 51° 29´·023N., 0° 27´·914E.

depth, 5.8 at 51° 28´·967N., 0° 27´·819E.  Delete depth, 6.2, close NE.


Notice 4471 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 4471 of 2025.pdf

Notice 25 4471.pdf



Affects:


UKHO SNC: 1186 (Panel A, Canvey Island to Coalhouse Point)

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


Six reductions of depth on the southern side of the Sea Reach, River Thames, close to the Cliffe Fleet PHB down to the Small Craft crossing point at the Lower Hope.  That area has had three earlier NtMs this year so the image includes all those reductions.  None are likely to hinder leisure craft.




Week  41


ENGLAND - East Coast - Depths.


Insert:


depth, 6 at 51° 27´·966N., 0° 15´·665E.  Delete depth, 8.2, close SE.


Notice 4344 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 4344 of 2025.pdf

Notice 25 4344.pdf



Affects:


UKHO SNC: 2151

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


One reduction of depth in the River Thames in Long reach just by commercial jetties under the QEII bridge.  Not where we would be!




Week  39


ENGLAND - East Coast - Depths.


Insert:


depth, 7.1 at 51° 27´·270N., 0° 20´·176E.  Delete depth, 7.3, close SW.

depth, 7.2 at 51° 27´·234N., 0° 20´·179E.

depth, 9.8, enclosed by 10m contour at 51° 27´·103N., 0° 23´·245E.  Delete depth, 10.4, close W.


Replace:


depth, 6.9, with depth, 6.7 at 51° 27´·292N., 0° 20´·360E.


Notice 4209 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.

Notice 4209 of 2025.pdf

Notice 25 4209.pdf



Affects:


UKHO SNC: 1186 (Panel B, Coalhouse Point to Tilbury) and 2151.

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


Four slight reductions of depth in Gravesend Reach, River Thames: three at the entrance to Tilbury Docks and one on the north shore of the Reach at the Tilbury Sewage Works.  Unlikely to hinder leisure craft.




Week  39


ENGLAND - East Coast - Depths.


Insert:


depth, 7.1 at 51° 27´·270N., 0° 20´·176E.  Delete depth, 7.3, close SW.

depth, 7.2 at 51° 27´·234N., 0° 20´·179E.

depth, 9.8, enclosed by 10m contour at 51° 27´·103N., 0° 23´·245E.  Delete depth, 10.4, close W.


Replace:


depth, 6.9, with depth, 6.7 at 51° 27´·292N., 0° 20´·360E.


Notice 4209 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.

Notice 4209 of 2025.pdf

Notice 25 4209.pdf



Affects:


UKHO SNC: 1186 (Panel B, Coalhouse Point to Tilbury) and 2151.

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


Four slight reductions of depth in Gravesend Reach, River Thames: three at the entrance to Tilbury Docks and one on the north shore of the Reach at the Tilbury Sewage Works.  Unlikely to hinder leisure craft.




Week  38


ENGLAND - East Coast - Depths.


Insert:


depth, 5.1 at 51° 27´·037N., 0° 20´·589E.  Delete depth, 5.2, close S.


Notice 4068 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 4068 of 2025.pdf

Notice 25 4068.pdf




Affects:


UKHO SNC: 1186 (Panel B, Coalhouse Point to Tilbury) and 2151

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


One reduction of depth at Tilburyness in the Gravesend Reach of the River Thames.  Unlikely to hinder leisure craft.




Week  37


ENGLAND - East Coast - NM Block. Depths.


Insert:


the accompanying block, centred on: 51° 30´·3N., 0° 01´·9W.

depth, 4.7 at 51° 29´·145N., 0° 00´·406W.  Delete depth, 4.8, close SE.


Replace:


depth, 5, enclosed by 5m contour, with depth, 4.9, enclosed by 5m contour 51° 29´·330N., 0° 00´·050W.

depth, 4.7, with depth, 4.5 at 51° 29´·208N., 0° 00´·235W.


Notice 3846 refers


Chart Block is copyright of the UKHO.  Base image is from Imray chart IN5030 by courtesy of Imray and Meridian Chartware.


Notice 3846 of 2025.pdf

Notice 25 3846 combined.pdf




Affects:


UKHO SNC: 3337

Imray Full Charts: C2

Imray Leisure Folios: 2100.4


A UKHO block for Limehouse Reach of the River Thames and three slight reductions of depth in Greenwich Reach off Greenwich.  Unlikely to hinder leisure craft.





Week  36


ENGLAND - East Coast - Depths.


Insert


depth, 10.9 at 51° 30´·216N., 0° 30´·863E.  Delete depth, 11.1, close NE.

depth, 11.8 at 51° 29´·891N., 0° 29´·752E.  Delete depth, 11.9, close NE.

depth, 7.7 at 51° 29´·694N., 0° 28´·706E.  Delete depth, 7.8, close SW.


Notice 3747 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 3747 of 2025.pdf

Notice 25 3747.pdf




Affects:


UKHO SNC: 1186 (INT 1426) (Panel A, Canvey Island to Coalhouse Point)

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


Three reductions of depth in Sea Reach adjacent to the West Blyth and north of the Cliff Fleet PHBs.  Unlikely to hinder leisure craft.




Week  35


ENGLAND - East Coast - Depths.


Insert:


depth, 4.9, enclosed by 5m contour at 51° 30´·814N., 0° 06´·915E.  Delete depth, 5.3, close W.


Notice 3693 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 3693 of 2025.pdf

Notice 25 3693.pdf




Affects:


UKHO SNC: 2151 (Panel A, Continuation at the same scale).

Imray Full Charts: C2

Imray Leisure Folios: 2100.4


One reduction of depth in the centre of Barking Reach, River Thames between Margaret and Cross Ness.  Unlikely to hinder leisure craft.




Week  29


ENGLAND – East Coast – River Thames - Depths.


Insert:


depth, 6.3 at 51° 28´·220N., 0° 14´·896E.  Delete depth, 6.5 , close N.

depth, 6.4 at 51° 28´·170N., 0° 15´·077E.  Delete depth, 6.7 , close SW.


Notice 3065 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 3065 of 2025.pdf

Notice 25 3065.pdf




Affects:


UKHO SNC: 2151.

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


Two slight reductions of depth in the River Thames, Long Reach off Purfleet adjacent to the commercial jetties north side.  Not likely to hinder leisure craft.




Week  27


ENGLAND - East Coast - Anchorage areas. Legends.


Insert:


limit of anchorage area, pecked line, joining:


(a) 51° 30´·703N., 0° 07´·142E.

(b) 51° 30´·622N., 0° 06´·652E.

(c) 51° 30´·671N., 0° 06´·628E.

(d) 51° 30´·707N., 0° 06´·844E.

(e) 51° 30´·725N., 0° 06´·924E.

(f) 51° 30´·772N., 0° 07´·107E.

(g) 51° 30´·738N., 0° 07´·125E.


legend, THAMESMEAD, within: (a)-(g) above


Delete:


former limit of anchorage area, pecked line, and associated legend, THAMESMEAD, joining:


51° 30´·672N., 0° 06´·628E.

51° 30´·695N., 0° 06´·772E.

51° 30´·706N., 0° 06´·834E.

51° 30´·726N., 0° 06´·924E.

51° 30´·772N., 0° 07´·108E.

51° 30´·675N., 0° 07´·159E.

51° 30´·652N., 0° 07´·056E.

51° 30´·624N., 0° 06´·899E.

51° 30´·609N., 0° 06´·800E.

51° 30´·599N., 0° 06´·726E.

51° 30´·592N., 0° 06´·667E.


Insert:


limit of anchorage area, pecked line, joining:


(h) 51° 30´·745N., 0° 08´·261E.

(i) 51° 30´·770N., 0° 08´·290E.

(j) 51° 30´·711N., 0° 08´·453E.

(k) 51° 30´·701N., 0° 08´·484E.

(l) 51° 30´·688N., 0° 08´·526E.

(m) 51° 30´·677N., 0° 08´·561E.

(n) 51° 30´·657N., 0° 08´·636E.

(o) 51° 30´·630N., 0° 08´·612E.

(p) 51° 30´·708N., 0° 08´·412E.

legend, HALFWAY, within: (h)-(p) above


Delete:


former limit of anchorage area, pecked line, and associated legend, HALFWAY, joining:


51° 30´·646N., 0° 08´·149E.

51° 30´·783N., 0° 08´·266E.

51° 30´·711N., 0° 08´·460E.

51° 30´·660N., 0° 08´·633E.

51° 30´·604N., 0° 08´·587E.

51° 30´·515N., 0° 08´·511E.


Notice 2777 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 2777 of 2025.pdf

Notice 25 2777.pdf





Affects:


UKHO SNC: 2151 (Panel A, Continuation at same scale)

Imray Full Charts: C2

Imray Leisure Folios: 2100.4


Slight adjustments to the limits of the Thamesmead and Halfway shipping anchorages in the Barking and Halfway Reaches of the River Thames.




Week  24


ENGLAND - East Coast - Depths.


Insert:


depth, 14.1 at 51° 29´·37N., 0° 53´·12E.  Delete depth, 14.4, close NW.


Notice 2430 refers


Base image is from Imray chart IN5043 by courtesy of Imray and Meridian Chartware.


Notice 2430 of 2025.pdf

Notice 25 2430.pdf




Affects:


UKHO SNC: 1607 and 1609.

UKHO SCC: 5606.5

Imray Full Charts: C1

Imray Leisure Folios: 2100.3


One slight reduction of depth in the entrance of the Yantlet Channel, River Thames, just east of Sea Reach No 1.  Unlikely to hinder leisure craft.




Week  23


ENGLAND - East Coast - Depths.


Insert:


depth, 13.7 at 51° 30´·149N., 0° 31´·719E.  Delete depth, 13.4, close S

depth, 12.4 at 51° 30´·085N., 0° 31´·590E.  Delete depth, 12.7, close SW.

depth, 12.9 at 51° 30´·085N., 0° 31´·393E.  Delete depth, 13.8, close N.

depth, 10.4 at 51° 30´·030N., 0° 31´·384E.  Delete depth, 11.9, close NW.

depth, 12.4 at 51° 30´·040N., 0° 31´·213E.  Delete depth, 12.2, close SE.

depth, 14.5 at 51° 30´·146N., 0° 31´·240E.

depth, 13.7 at 51° 30´·088N., 0° 31´·155E.  Delete depth, 14.3, close NW.

depth, 14 at 51° 30´·078N., 0° 30´·927E.  Delete depth, 14.5, close W.


Notice 2347 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 2347 of 2025.pdf

Notice 25 2347.pdf




Affects:


UKHO SNC: 1186 (Panel A, Canvey Island to Coalhouse Point).

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


Eight reductions of depth in the Yantlet Channel between Cliffe Fleet and Tanker PHBs.  Obviously this is monitoring the channel depths for the larger ships as no leisure craft is likely to be hindered.




Week  23


ENGLAND - East Coast - Depths.


Insert:


depth, 1.9 at 51° 30´·363N., 0° 00´·509E.  Delete depth, 0.6, close N.

depth, 4.9, and extend 5m contour NE to enclose 51° 29´·745N., 0° 01´·435E.


Replace depth, 4.2, with depth, 4.1 at 51° 29´·823N., 0° 01´·121E.


Notice 2353 refers


Base image is from Imray chart IN5030 by courtesy of Imray and Meridian Chartware.


Notice 2353 of 2025.pdf

Notice 25 2353.pdf




Affects:


UKHO SNC: 3337

Imray Full Charts: C2

Imray Leisure Folios: 2100.4


Two increases of depth in Bugsby Reach, River Thames, one by Thames Wharf (opposite of the O2 arena), the other on the edge of the channel SW of Greenwich YC and one very slight reduction of depth off the YC.  Unlikely to hinder leisure craft.




Week  23


ENGLAND - East Coast - Depths.


Insert:


depth, 14.5 at 51° 29´·92N., 0° 41´·69E.  Delete depth, 15.6, close NE.


Notice 2383 refers


Base image is from Imray chart IN5037 by courtesy of Imray and Meridian Chartware.


Notice 2383 of 2025.pdf

Notice 25 2383.pdf




Affects:


UKHO SNC: 1185

UKHO SCC: 5606.8

Imray Full Charts: C2

Imray Leisure Folios: 2100.2


One reduction of depth in the centre of the Yantlet channel adjacent to Sea Reach No 5 South.  Part of monitoring the shipping channel, unlikely to hinder leisure craft.




Week  23


ENGLAND - East Coast - Depths.


Replace:


depth, 7.5, with depth, 7.3 at 51° 29´·405N., 0° 28´·133E.


Notice 2417 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 2417 of 2025.pdf

Notice 25 2417.pdf




Affects:


UKHO SNC: 1186 (Panel A, Canvey Island to Coalhouse Point).

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


One slight reduction of depth adjacent to the Lower Hope PHB in Lower Hope Reach, River Thames.  Unlikely to hinder leisure craft.  The image incudes similar reductions reported in the area vide NtM 1016 earlier this year.




Week  22


ENGLAND - East Coast - Drying heights. Depths.


Insert:


drying height, 0.2, and extend 0m contour N to enclose 51° 29´·71N., 0° 38´·34E.

drying height, 0.3, and extend 0m contour N to enclose 51° 29´·66N., 0° 38´·75E.  Delete depth, 0.5, close NW.

drying height, 0.6, and extend 0m contour N to enclose 51° 29´·52N., 0° 40´·07E.  Delete depth, 0.5, close E


Replace:


depth, 6.1, with depth, 5.5 at 51° 29´·60N., 0° 40´·68E.


Notice 2205 refers


Base image is from Imray chart IN5037 by courtesy of Imray and Meridian Chartware.


Notice 2205 of 2025.pdf

Notice 25 2205.pdf




UKHO SNC: 1185

UKHO SCC: 5606.8

Imray Full Charts: C2

Imray Leisure Folios: 2100.2


Three new drying heights on the edge of the Yantlet Flats on the Sea Reach, River Thames, between East Blyth of West Nore Sand.  Also one reduced depth close to the West Nore Sand but unlikely to hinder leisure craft.


The new drying heights are in line twixt the East Blyth and West Nore Sand buoys as the Yantlet Flats extend gentl to the north.




Week  21


ENGLAND - East Coast - Depths.


Insert:


depth, 9.3 at 51° 26´·962N., 0° 23´·561E.  Delete depth, 9.4, close NW.

depth, 9.4 at 51° 27´·022N., 0° 23´·858E.  Delete depth, 9.5, close SW.


Notice 2140 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 2140 of 2025.pdf

Notice 25 2140.pdf




Affects:


UKHO SNC: 1186 (Panel B, Coalhouse Point to Tilbury)

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


Two slight reductions of depth in the Gravesend Reach of the River Thames, one amending a depth vide NtM 963 of week 8 of this year.  Unlikely to hinder leisure craft.


Week  19


ENGLAND - East Coast - Depths.


Insert:


depth, 3.3 at 51° 31´·037N., 0° 08´·021E.  Delete depth, 3.4, close E.

depth, 6 at 51° 30´·689N., 0° 08´·974E.  Delete depth, 6.1, close.

depth, 6.1 at 51° 30´·595N., 0° 09´·514E.

depth, 5.2  at 51° 30´·579N., 0° 09´·605E.  Delete depth, 8.5, close SE.


Notice 2030 refers


Base image is from Imray chart C2 by courtesy of Imray and Meridian Chartware.


Notice 2030 of 2025.pdf

Notice 25 2030.pdf




Affects:


UKHO SNC: 2151 (Panel A, Continuation at same scale).

Imray Full Charts: C2

Imray Leisure Charts: 2100.4


Four reductions of depth in the River Thames, Halfway Reach.  Unlikely to hinder leisure craft.




Week  16


ENGLAND - East Coast - Buoyage.


Delete:


at:

51° 26´·756N., 0° 22´·075E. and

51° 26´·753N., 0° 22´·123E.


Notice 1661 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 1661 of 2025.pdf

Notice 25 1661.pdf




Affects:


UKHO SNC: 1186 (Panel B, Coalhouse Point to Tilbury) and 2151

Imray Full Charts: C2

Imray Leisure Charts: 2100.3


Deletion of two ships moorings on the south side of Gravesend Reach, River Thames off Gravesend.




Week  12


ENGLAND - East Coast - Obstructions. Buoy.


Insert:


Unexploded Ordnances (2024) at:


51° 29´·01N., 0° 49´·20E.

51° 28´·72N., 0° 44´·63E.

51° 28´·71N., 0° 44´·40E.

51° 30´·11N., 1° 02´·41E.

51° 28´·71N., 0° 56´·60E.

51° 28´·72N., 0° 56´·41E.

51° 28´·80N., 0° 55´·11E.


at 51° 28´·67N., 0° 44´·15E.


Notice 1295 refers


Base images are from Imray chart IN5037 and 5043 by courtesy of Imray and Meridian Chartware.


Notice 1295 of 2025.pdf

Notice 25 1295 combined.pdf




Affects:


UKHO SNC: 1185, 1609 and 3683.  Note: Former Notice 2704(T)/24 is cancelled. This update is included in New Edition 1607, published early 2024.

UKHO SCC: 5606.7, 5606.9 and 5606.5

Imray Full Charts: C1

Imray Leisure Folios: 2100.2


Last year, following survey work for a new cable laying, unexploded ordnance was discovered – almost a single line of ordnance - from the Oaze to the Nore Sand.  The Port of London Authority reported the ordnance by local notice.  Now this notice is showing the ordnance as an established hazard.  The Mid Swatch SHB is now back in its previous established position.




Week  10


New Editions of ADMIRALTY Charts to be published on 20th March, 2025


SN Chart 1607 International Chart Series, England - East Coast, Thames Estuary,  Southern Part.  1:50,000


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


SN Chart 2052 International Chart Series, England - East Coast, Orford Ness to The Naze.  1:50,000


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




Charts 1607 and 1975 are important charts for us as these are followd by the echart makers.

Week  9


ENGLAND - East Coast - Depths.


Insert:


depth, 8.9 at 51° 29´·561N., 0° 28´·307E.  Delete depth, 9, close NE.

depth, 7.8 at 51° 29´·691N., 0° 28´·695E.  Delete depth, 7.9, close NE.

depth, 9.8 at 51° 29´·809N., 0° 29´·136E.

depth, 11.9 at 51° 29´·899N., 0° 29´·828E.  Delete depth, 12, close SW.


Notice 1016 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 1016 of 2025.pdf

Notice 25 1016.pdf




Affects:


UKHO SNC: 1186 (Panel A, Canvey Island to Coalhouse Point).

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


Four slight reductions of depth in Hope Reach/Sea Reach of the River Thames between the Lower Hope of Cliffe Fleet buoys.  Unlikely to hinder leisure craft.




Week  9


ENGLAND - East Coast - Depths.


Replace:


depth, 8.4, with depth, 7.6 at 51° 26´·781N., 0° 21´·457E.


Notice 1025 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 1025 of 2025.pdf

Notice 25 1025.pdf




Affects:


UKHO SNC: 1186 (Panel B, Coalhouse Point to Tilbury) and 2151.

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


One reduction of depth in Gravesend Reach of the River Thames close to or alongside a Northfleet jetty.  Unlikely to hinder leisure craft.




Week  8


ENGLAND - East Coast - Depths.


Insert:


depth, 9.4 at 51° 26´·968N., 0° 23´·538E.  Delete depth, 9.5, close SE.


Notice 963 refers


Base image is from Imray chart IN5036 by courtesy of Imray and Meridian Chartware.


Notice 963 of 2025.pdf




Affects:


UKHO SNC: 1186 (Panel B, Coalhouse Point to Tilbury)

Imray Full Charts: C2

Imray Leisure Folios: 2100.3


One very small reduction  in the centre of the Gravesend Reach of the River Thames.  Unlikely to hinder leisure craft.




Week  7


New Editions of ADMIRALTY Charts to be published on 27th February, 2025


SN Chart 1185 - International Chart Series, England - East Coast, River Thames Sea Reach.  1:25,000

Continuation of Hole Haven Creek.

1:25,000


SN Chart 1606 - England - East Coast, Thames Estuary Fisherman's Gat to Princes Channel.  1:25,000


SN Chart 1609 - England - East Coast, Thames Estuary, Knock John Channel to Sea Reach.  1:25,000


SN Chart 2693 - International Chart Series, England - East Coast, Approaches to Felixstowe, Harwich and Ipswich with the Rivers Stour, Orwell and Deben.  1:25,000

A Continuation of River Stour. 1:25,000

B Ipswich.  1:20,000

C Continuation of River Deben.  1:25,000


SN Chart 3683 - England - East Coast, Sheerness and Approaches.  1:12,500

Sheerness.  1:6,250



Week  5


ENGLAND - East Coast - Depths.


Insert:


depth, 11.1 at 51° 29´·30N., 0° 52´·89E.  Delete depth, 12.1, close N.


Notice 398 refers


Base image is from Imray chart IN5043 by courtesy of Imray and Meridian Chartware.


Notice 398 of 2025.pdf

Notice 25 398.pdf







Affects:


UKHO SNC: 1607 and 1609.

UKHO SCC: 5606.5.

Imray Full Charts: C1

Imray Leisure Charts: 2100.1 and 2100.2


One reduction of depth just south of the Sea Reach No 1 yellow special lit buoy.  Ample water for leisure craft.




Week  4


New Editions of ADMIRALTY Charts to be published on 30th January, 2025.


SNC 1186 - International Chart Series, England - East Coast, River Thames, Canvey Island to Tilbury.

A Canvey Island to Coalhouse Point.  1:12,500

B Coalhouse Point to Tilbury.  1:12,500


SNC 2151 - International Chart Series, England - East Coast, River Thames, Tilbury to Margaret Ness.  1:12,500

A Continuation at same scale.  1:12,500


SNC 3337 England - East Coast, River Thames, Margaret Ness to Tower Bridge.  1:12,500

A Barking Creek.  1:6,250

B Thames Tidal Barrier.  1:5,000