Antares charts

Very Large scale wgs 84 electronic charts

ANTARES CHARTS is a source of 'unofficial' very large scale electronic charts and related pilotage information created by yachtsmen for yachtsmen.

Focusing on the West Coast of Scotland it is aimed at experienced navigators, to supplement information available from more authoritative providers.

The UK’s official surveying and charting authorities have not resurveyed many of the more interesting channels and anchorages of the West of Scotland since the advent of satellite positioning and often do not publish charts to a sufficiently large scale to meet the needs of the more adventurous yachtsman.

Our 461 charts can run seamlessly with UKHO-type charts on PCs, iPads, iPhones and Android tablets and phones. They can also be used on Macs and certain Garmin handheld devices. There is a wide range of free software available while ‘the best’ setup costs c. £65, including our charts and all UKHO-type charts for the UK and Ireland.

WARNING:  All information described in this website has been obtained by enthusiasts without formal training.  It must be used with great care and entirely at your own risk. See the risk factors outlined under ‘Making the charts’ and ‘Using the charts’.


We welcome contact from users of the charts.  Please let us know of any errors or inaccuracies you find.  Please also let us have your thoughts on presentational issues, locations for future surveys and other material you think we could provide that you would find useful.  As this is an unpaid, part time activity we do not undertake to respond to all correspondence on a timely basis but will endeavour to do so.


To send an email: click here   


To order charts: click here

NOTE: This website and material obtained from it are the copyright of Antares Charts © and may not be reproduced in whole or in part without express consent; use of all such material is subject to the disclaimers and conditions posted on this website and which may be changed at any time. For full Conditions click here.


Latest news


NB: for the first time we will not be publishing a new set in early 2019. Our 2018 set will remain current, probably until January 2020.


MBE! I was very proud to have been awarded an MBE in this year’s New Year’s Honours for ‘services to navigation and maritime safety on the west coast of Scotland’. Making the charts is such an enjoyable retirement hobby and I am delighted that many people find them useful. So a big thank you to all those who have given me support and encouragement over the past 10 years and particularly to those who put me up for the award, whoever you are!


Our 2018 chart set comprises 461 charts. See ‘Chart locations’ for the full list


We have reported two errors on charts in our 2018 set (Caol Scotnish and Caolas Ban, Gunna). Full details are on the Corrections tab.


We have also found seven significant errors on UKHO charts during 2018 — again, details on the Corrections tab.


The weather was kind for surveying in 2018 and we have 57 new charts in the pipeline, which will result in well over 500 charts in the next set—due 2020. New surveys include some interesting anchorages in the Sounds of Luing, Islay, Sleat and Raasay and around the islands of Coll and Tiree.


Our 2017 user survey had a great response with 400 replies. The vast majority use Memory-Map navigating software with a tablet (iPad or Android). Full details are here.


The download facility for obtaining charts has been a great success, with the vast majority of users now downloading.


If anyone is really struggling to set up the charts despite having read the detailed instructions carefully they should get in touch. But please ensure you have read them carefully first!


Steve of London Chart Plotters has reminded me that he is willing to help people free of charge. He specialises in OpenCPN software using our BSB charts. He also sells a range of very inexpensive rugged laptops and tablets. He can do annual updates of our charts on these devices, in some cases remotely. See


We have had some great feedback, for which many thanks to those concerned. Please keep it flowing: it is obviously good to hear the nice things but just as important are the glitches we may not otherwise spot, any major problems or difficulties and, of course, places you would like surveyed.



Ever been in a situation like the one above?  You found your way in when the sun was shining but how will you get out?  This is just one example where Antares large scale electronic charts might have made a real difference.



Tinkers Hole in the mist

Photo: Martin Lawrence

Acarseid Mhor, Rona viewed on an iPad

Below is an image of part of our chart of the main channel at Arisaig, at low zoom, alongside the UKHO-type chart at maximum zoom. The charts are displayed on a PC with Memory-Map plotting software. The UKHO-type chart gives you the basics but our chart shows all the detail we found when we went exploring! Our chart can be zoomed a lot further and is complemented by charts of the north channel, the inner part of the loch and an even larger scale chart of the constriction in the main channel.

Erraid incl Tinker’s Hole

Loch Scavaig, Skye



Click here to order our 2018 charts

(this is likely to remain the most up-to-date set until early 2020)




Click here to order a gift voucher


‘Antares’, base for surveying in 2009, now retired to the South of France!

‘Otter’ -  base  for surveying from 2014  - do call on the VHF if you see us.

Caolas Rahuaidh, Loch Teacuis

Click to enlarge

The material above is subject to Memory-Map copyright. The image of part of a chart on the right is subject to © Crown Copyright and/or database rights: it is reproduced by permission of the Controller of Her Majesty’s Stationery Office and the UK Hydrographic Office (  The image of part of a chart on the left is Antares Charts copyright. None of the above material is to be used for navigation

Memory-Map. We find Memory-Map plotting software with UKHO-type charts to be the ideal platform for our charts. It costs around £50 for the  UKHO-type UK and Ireland chart package, which is excellent value.  You can run our charts seamlessly with the UKHO-type charts; and with side-by-side windows you can see your position on both. And you can run them all on iPhones, iPads and Android devices as well as PCs and Macs. See example of Arisaig below: all you need is the free Memory-Map app. You can also add in OS walking maps and/or aerial images.