Chartlets and other downloads

There are eleven downloads currently available:

What's available



The South-West Sunk swatchway


Revised 18th May, 2022


PDF  Download

See the 2021 video showing the tide rip.  Note, if you follow the recommended wpts, you will be well clear and probably would be not be there at that state of the tide anyway.

The SW Sunk was re-surveyed on 18th May.2022. The swatchway remains well established albeit the SW Knoll has edged north and eastward a little.  I recommend that the Mid Waypoint is revised slightly further North and East to retain the same distance as the SW Knoll (see the download for details).

The preparation of the chartlet was kindly provided tide data from the Port of London Authority which assisted in reduction to Chart Datum.

Note: As before to the north-east, the Middle Sunk knoll is a quite gentle slope up.  However, the knoll to the south-west has a very steep edge and should be avoided.  Holding the rhumbline between the West and Mid waypoints is important.  On the flood it was clear the tide followed the 'bed' of the swatchway from the East to the West and at the west end the flood tide meets the flood down from the Barrow Deep.  That provokes an interesting tide rip in the face of the knoll.  I noted where the two 'tides' met whilst not difficult, we needed more concentration to steer straight.  I stress it was not difficult and this only  happens in the second half of the flood tide.  If you use my tables and seek the shortest passage times, you would never arrive at the swatch at the time when the tide rip would occur.

CHA30 of 2022+.jpg

The revised Outer Crouch buoyage July 2022


Revised 15th June, 2021 and then18th July, 2022


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Following the annual maintenance round, the Crouch Harbour Authority has altered the buoyage in the Swallowtail and Whitaker channels in June, 2021.  Effectively the overall arrangement for the buoyage remains as before except that three buoys have been withdrawn and some positions, light characteristics and names have been amended.

Subsequently, following a survey by the Port of London Authority, the CHA has moved the Swallowtail W to the west.

All moves incorporated in the chartlet

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The Spitway


Redrawn chartlet May, 2022

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This is a CTTE chartlet based upon resurvey on 30th May 2022.  Compared to 2021 there has been no significant changes over the past year.  Best water remains to the east of the Safe Water Buoys.

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The Ray Sand


Revised and Updated September, 2022

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We completed two surveys in August and September and the new chartlet is available.  The sands largely remain as before but the chartlet has more detail to the west and east.  The best line across remain at or just east of the  1 degree  E  meridian.

If wished, click on the image for the png version.

Little Sunk Surfer 2020 V2.jpg

The Little Sunk

Adjacent to the Barrow No 2 PHB


Redrawn August, 2020 using new software

PDF  Download

This is a CTTE chartlet based upon a survey completed on 24th August, 2019.  This is usually a stable  crossing place and  it remains so.  The survey was more comprehensive  than previously and consequently there is a significantly greater amount of detail.

The image can be downloaded by itself or, by using, the PDF download you will received some general notes about observations and for those with copies of the book some observations about the waypoints and routes..

The crossing area is bounded by two wrecks to the south-west and the wreckage of the old 'Little Sunk' Beacon to the north-east.  All hazards are physically unmarked but there is ample room assuming a valid GPS signal over sand.

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The London Array Wind Farm and Foulger's Gat

Amended 28.01.2015

No subsequent changes up to Aug. 2019.

PDF  Download

This is CTTE’s image of the route through the London Array Windfarm .

Quarters Drawing 2019 Buoyage revision Mersea and Tollesbury Routes V2.jpg

Mersea Quarters

Buoyage as August, 2019

(Tollesbury No 4 now placed back)

PDF  Download

This is a CTTE chartlet based upon a survey completed during October, 2016.

Changes to depth across the Quarters has required a change to the buoyage which was re-laid in April, 2017.

Deep draught yachts (i.e. @2m draught) is recommended to follow the suggested route at LWS. Note this has been amended this month (May) to show the 'Obstn' SW of the Nass Beacon is not now annotated as ED.  It DOES exist and should be regarded as dangerous to leisure craft.

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Tollesbury North and South Channels

Revised (2) August, 2019

(Tollesbury No 4 now placed back)

PDF  Download

This is a CTTE Chartlet based upon surveys in 2011 and 2012.

This includes the repositioning of buoys during 2019.

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Tollesbury - the Leavings

Revised September, 2015

PDF  Download

This is a CTTE Chartlet based upon surveys in 2011 and 2012 with corrections to 2015.

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Bradwell Creek


New chart 2020

PDF  Download

Re-surveyed on 21st July, 2020 and redrawn.

The chartlet is drawn to Chart Datum.

I have  just added a table of Tidal Height predictions at Bradwell Creek which I hope will assist new visitors.

When printed the chartlet is best in A3  size.  It is difficult to include all the detail in A4.  None is omitted so it will be quite small.  Of course as a PDF or JPG it can be enlarged as you wish.

Lawling Creek 2014.jpg

Lawling Creek

Revised September, 2014

PDF  Download

This is a CTTE chartlet based upon surveys in 2011 and 2014.  It includes the additional buoyage put in by Maldon District Council for 2012.

Passage Planning Assistant example edition 2.pdf

Passage Planning Assistant

PDF  Download

Please download copies as often as you require.

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