British Admiralty Charts are provided online and for sale within our site. We cover the entire range of Admiralty nautical charts for sale, numbering more than 3,000 charts spanning most of the worlds navigable regions.

British Admiralty charts have been developed over 200 years using the latest technologies and have become the benchmark for accurate quality charts for world navigators.

British Admiralty nautical charts comply with Safety of Life at Sea (SOLAS) regulations and are the first choice for professional, commercial and recreational use. Browsing through our online catalogue you’ll see our chart listings include scales, useful for passage planning, ocean crossings, coastal navigation and port approaches.

Our advice to mariners is always to buy the largest scale nautical chart appropriate to your requirements.

Admiralty charts are developed by the United Kingdom Hydrographic Office (UKHO). The more than 3,000 charts span virtually the entire world in various levels of detail depending on the density of traffic and complexity of the seabed and coastline. Large-scale charts often cover approaches and entrances to harbours, medium-scale charts cover heavily used coastal areas, and small-scale charts are for navigation in more open areas.

British Admiralty World Map charts folios online

There is also a Small Crafts Series available at even smaller scales.

In areas frequented by heavy shipping – for example the English Channel, Gulf of Suez and the Malacca Straits, regular navigational charts can be aided by mariners’ routeing guides which provide guidance to mariners on how best to safely plan their routes in such high-traffic areas.

Charts include: depths, scale, coastlines, land and underwater contour lines, seabed information (for anchoring), bouyage, navigational and anchoring hazards, tidal information, identifiable, prominent land features (e.g. landmarks and buildings), traffic separation schemes, RF direction finding information, lights, and other data useful to navigation.

More about British Admiralty Charts

Charts use the Mercator projection so that bearings can be transferred to (or taken from) the charts directly. In doing so though, allowances must be made for magnetic variation and magnetic deviation to ensure accuracy.

The UK Hydrographic Office issues more than one type of chart. Standard charts are issued for mariners who are subject to the International Convention for the Safety of Life at Sea; folios of charts at a convenient A2 size are produced for leisure users and digital products are also available to complement the paper charts.

The seabed and the features charted change regularly and it is vitally important that users have the corrected charts. The UK Hydrographic Office receives a vast amount of new data and filters this to determine that which is most important to its users. These updates are released in Admiralty Notices to Mariners weekly, indexed by a serial number and the week and year of release. An annual summary is also released shortly before the start of the sailing season. We recommend all charts be updated or a regular basis for accuracy and ultimately safety.

All charts can be bought online or instore at Seabreeze Nautical Books and Charts. Can’t find what you’re looking for – call our friendly, knowledgeable staff to discuss  your needs.