
Trusted by mariners worldwide, the 2026 Nautical Almanac provides updated astronomical data, tidal tables, global shipping distances, and key maritime regulations in one comprehensive guide.
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Trusted by captains, officers, and port managers across the globe, this nautical almanac delivers unparalleled accuracy and depth for safe, efficient navigation. Updated annually and released every November, it ensures you have the most current data for the year ahead—whether you're plotting a coastal route or crossing oceans. Designed for professionals who demand precision, this almanac combines time-tested navigation methods with modern updates, making it an indispensable tool for both traditional and contemporary maritime operations.
Navigate with confidence using daily astronomical data tailored for mariners, including sunrise, sunset, moon phases, and celestial coordinates. The almanac provides authoritative tidal tables for British and international waters, compiled from the most reliable sources. Whether you're calculating tidal streams or planning port arrivals, these tables ensure you account for critical variations in water levels, reducing risks and optimizing voyage timing.
From coastal cruising around the British Isles to transoceanic voyages, this almanac simplifies route planning with detailed distance tables. Find true and magnetic courses, rhumbline distances (WGS-84), and great circle calculations for voyages originating from major ports in the UK, US, and Canada. The inclusion of offshore installation data—such as wind farms and oil platforms—keeps you informed of modern maritime hazards, while weather information and GMDSS master plans enhance situational awareness.
Beyond navigation, this almanac serves as a complete maritime reference. Legal and technical updates, stability calculations, draft surveying methods, and sail trim guidance are all included to support operational decisions. The extensive use of color throughout the book improves readability, while specialized sections—like the 13-page rhumbline distance tables and 5-page draft surveying guide—provide quick access to complex calculations. Whether you're managing cargo, ensuring vessel stability, or complying with regulations, this resource streamlines critical tasks.
Since its first publication in 1876, this almanac has set the standard for maritime reference materials. Now in its 149th edition, it remains the go-to guide for those who prioritize accuracy, reliability, and up-to-date information. Ideal for commercial mariners, port authorities, and serious recreational sailors, it bridges the gap between traditional navigation techniques and today’s evolving maritime landscape. With its hardback durability and annual updates, it’s an investment in safety, efficiency, and peace of mind for every voyage.
Unmatched Precision for Modern Navigation
This 2026 edition of the nautical almanac is the definitive annual reference for mariners, offering a meticulously updated compilation of astronomical, tidal, and navigational data. Released every November for the following year, it ensures you have the latest information—from tidal streams to offshore installations—critical for safe and efficient voyages. Weighing 1.5 kg and spanning seven comprehensive sections, this hardback edition is built to withstand the demands of life at sea while delivering the accuracy professionals rely on.
From Celestial Navigation to Global Route Planning
At the heart of this almanac is its astronomical data, providing daily calculations for sunrise, sunset, moon phases, and celestial coordinates—essential for traditional navigation. The tidal tables, sourced from the most authoritative providers, cover both British and international waters, allowing you to anticipate water levels with confidence. For route planning, the almanac includes true and magnetic courses, rhumbline distances (WGS-84), and great circle calculations, all tailored for voyages originating from key ports in the UK, US, and Canada.
More Than Just Navigation: A Complete Maritime Toolkit
Beyond charts and distances, this almanac serves as a comprehensive resource for maritime operations. Legal updates, stability calculations, draft surveying methods, and sail trim guidance are all included to support decision-making. The 13-page rhumbline distance tables and 5-page draft surveying section provide quick access to complex calculations, while color-coded layouts enhance readability. Whether you're managing cargo, ensuring compliance, or optimizing vessel performance, this almanac streamlines critical tasks.
Trusted Since 1876, Essential for Today’s Mariners
Now in its 149th edition, this almanac has been the gold standard for maritime reference since 1876. Designed for captains, officers, and port managers, it bridges the gap between time-honored navigation techniques and modern maritime challenges. With updates on offshore installations, weather patterns, and GMDSS protocols, it ensures you’re prepared for today’s dynamic maritime environment. Durable, detailed, and annually updated, it’s the ultimate tool for those who refuse to compromise on accuracy or reliability.
The 2026 edition of this nautical almanac is a hardback reference weighing 1.5 kg, published annually in November for the following year. It features seven sections covering astronomical data, nautical tables, tidal information, coastal courses, global distances, maritime regulations, and technical guidance. With 149 editions since 1876, this almanac includes 13 pages of rhumbline distance calculations (WGS-84) and 5 pages dedicated to draft surveying, all presented in full color for clarity.
With a legacy dating back to 1876, this publisher has established itself as a cornerstone of maritime reference materials. Known for producing annually updated nautical almanacs, their publications are trusted by professionals worldwide for their accuracy, depth, and reliability. Each edition reflects a commitment to evolving maritime needs, ensuring mariners have the most current and comprehensive tools for safe navigation.
The almanac weighs 1.5 kg, making it a substantial reference for professional use.
It is updated and published annually in November for the following year.
Yes, tidal tables cover both British and foreign waters, compiled by trusted authorities.
Yes, it provides navigable distance tables from major ports in Great Britain, the U.S., and Canada to key global destinations.
It is a hardback edition, ensuring durability for frequent use in professional settings.
Yes, Part VI covers legal, technical, and general maritime information in detail.
There are 13 pages specifically covering true rhumbline distances (WGS-84).
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