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Notices to Mariners

Keep informed about safety critical information. Search and download Notices to Mariners from here. Admiralty Notices to Mariners (NM) are British Crown Copyright; resale of all or parts of the NMs is prohibited without written permission from UKHO. To apply for permission, please contact: Intellectual.Property@ukho.gov.uk. Please note that permission will only be granted subject to completion of an assessment.

Admiralty Notices to Mariners (NMs)

Admiralty Charts and Publications should be maintained so that they are fully up-to-date for the latest safety-critical navigational information. The Admiralty Notices to Mariners service provides all of the data you need to maintain our products.

Admiralty NMs contain all the corrections, alterations and amendments for the UKHO's worldwide series of Admiralty Charts and Publications. They are published weekly in several formats but best known as the weekly booklets, which are despatched directly from the UKHO.

View the guidance notes for Notices to Mariners here.

Updating your Admiralty Charts - a film guide to using Notices to Mariners

The UKHO has produced a series of helpful film based guides on to how to update your Admiralty charts. The films also include a look at some useful tools to help you carry out these tasks.

The films can be found on our YouTube channel here.

How to update your Admiralty charts

Admiralty Notices to Mariners Online

The Admiralty Notices to Mariners Online service enables mariners to download NMs directly from this website.

To access NMs Online, select the appropriate tabs on this page.

Searchable NMs Database

The UKHO's searchable NMs database, known as NM Websearch, allows users to to search by Chart number for NM text, full colour NM Blocks and Notes.

To use NM Websearch, click here, or go to: www.nmwebsearch.com.

Additional Notices to Mariners Services

For the latest information regarding update status of UK ENC cells in relation to UKHO NMs please click here.

In addition to Weekly Notices to Mariners, the UKHO produces the following supplementary NM Publications:

  • Annual Summary of Notices to Mariners
  • Notices to Mariners Block Corrections
  • Notices to Mariners Tracings

Guidance on how to apply the corrections contained within NMs to Admiralty Charts can be found in NP294 - 'How To Keep Your Admiralty Products Up-To-Date'.

To enable mariners to keep a neat and formal record of all the NMs applied to a vessel's portfolio of charts, the UKHO recommends use of NP133A - Paper Chart Maintenance Record.

Pricing of Notices to Mariners (NMs)

Weekly Notices to Mariners £2.20 per copy
Cumulative List of Admiralty Notices to Mariners (NP 234A and NP 234B) £5.00 per copy
Annual Summary of Admiralty Notices to Mariners (NP 247) (paper version - parts 1&2) £7.50 each
Notices to Mariners Web Services FREE
Searchable Notices to Mariners Web Service FREE

Official Status of Admiralty Notices to Mariners

The Admiralty Notices to Mariners weekly bulletin is published by the UKHO. The UK Maritime & Coastguard Agency (MCA) accepts that both the paper and digital forms of the NM weekly comply with carriage requirement for Notices to Mariners within Regulation 19.2.1.4 of the revised Chapter V of the Safety of Life at Sea (SOLAS) Convention, and the Merchant Shipping (Safety of Navigation) Regulations, both of which came into force 01 July 2002.

Download the Chart Availability List

Daily Navigational Notices

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Step 2. Click a weekly button to view daily content in panel on the right

Weekly Navigational Notices

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Step 2. Click the week you need and view its folder's content in the right side panel

    Cumulative List of Admiralty Notices to Mariners

    The Cumulative List of Admiralty Notices to Mariners (NP234 A/B) assists users who wish to identify outstanding NMs and audit trails for a particular chart or charts. The list is published annually, with Part A in January and Part B in July.

    The Cumulative List of Admiralty Notices to Mariners is available without subscription from Admiralty Distributors. To view the list online on this website, click on the links below


    expand  WEEKLY FILES 2014
    NP234(A)-14.pdf: PDF download
    NP234(B)-14.pdf: PDF download

    expand  WEEKLY FILES 2013
    NP234(A)-13.pdf: PDF download
    NP234(B)-13.pdf: PDF download

    expand  WEEKLY FILES 2012
    NP234(A)-12.pdf: PDF download
    NP234(B)-12.pdf: PDF download

    expand  WEEKLY FILES 2011
    NP234A-11.pdf: PDF download
    NP234(B)-11.pdf: PDF download

    expand  WEEKLY FILES 2010
    NP234-10A.pdf: PDF download
    NP234B-10.pdf: PDF download

    expand  WEEKLY FILES 2009
    NP234A-09 Revised.pdf: PDF download
    NP234B-09.pdf: PDF download

    expand  WEEKLY FILES 2008
    NP234A-08.pdf: PDF download
    NP234B-08.pdf: PDF download

    expand  WEEKLY FILES 2007
    NP234A-07.pdf: PDF download
    NP234B-07.pdf: PDF download

    expand  WEEKLY FILES 2006
    NP234A-06.pdf: PDF download
    NP234B-06.pdf: PDF download

    expand  WEEKLY FILES 2005
    NP234A-05.pdf: PDF download
    NP234B-05.pdf: PDF download

    expand  WEEKLY FILES 2004
    NP234A-04_Jan_2004_Revised.pdf: PDF download
    NP234B-04.pdf: PDF download

    expand  WEEKLY FILES 2003
    NP234A-03.pdf: PDF download
    NP234B-03.pdf: PDF download

    expand  WEEKLY FILES 2002
    np234a-02.pdf: PDF download
    NP234B-02.pdf: PDF download

    expand  WEEKLY FILES 2001
    np234-01a.pdf: PDF download
    np234-01b.pdf: PDF download

    expand  WEEKLY FILES 2000
    np234-00b.pdf: PDF download

    Annual Summary of Admiralty Notices to Mariners 2014 (NP247)

    To supplement Weekly NMs, the UKHO produces an Annual Summary of Notices to Mariners (NP247). This publication contains the Annual Statutory Notices to Mariners Numbers 1-26, a summary of Temporary and Preliminary Notices to Mariners still in force at the start of the year, and a Cumulative Summary of Amendments to Admiralty Sailing Directions.

    The paper version of the Annual Summary of Notices to Mariners is published annually in January, and copies are available by subscription from Admiralty Distributors. To access the Annual Summary online, click on the links below

    Annual Notices To Mariners 1-26 2014 (PDF Downloads):

    Click here for an overview of each of the 26 sections, including how to find sections which have now been moved into 'The Mariners Handbook'.

    01ADMIRALTY TIDE TABLES 2014—General Information
    02SUPPLIERS OF ADMIRALTY CHARTS AND PUBLICATIONS
    03SAFETY OF BRITISH MERCHANT SHIPS IN PERIODS OF PEACE, TENSION, CRISIS OR CONFLICT
    05FIRING PRACTICE AND EXERCISE AREAS
    10MINE-LAYING AND MINE COUNTERMEASURES EXERCISES —Waters around the British Isles
    12NATIONAL CLAIMS TO MARITIME JURISDICTION
    16PROTECTION OF HISTORIC, DANGEROUS AND MILITARY WRECK SITES
    17TRAFFIC SEPARATION SCHEMES AND INFORMATION CONCERNING ROUTEING SYSTEMS
    20MANDATORY EXPANDED INSPECTIONS – EU DIRECTIVE 2009/16/EC
    21CANADIAN CHARTS AND NAUTICAL PUBLICATIONS REGULATIONS
    22US NAVIGATION SAFETY REGULATIONS RELATING TO NAVIGATION, CHARTS AND PUBLICATIONS
    23HIGH SPEED CRAFT
    26MARINE ENVIRONMENTAL HIGH RISK AREAS

    Temporary and Preliminary Notices
    T&P 2014 :PDF download

    Amendments to Admiralty Sailing Directions 2014
    Amends to SDs :PDF download

    It's important to keep your charts up to date - rocks may not move but there's a host of other things under and on the sea that do! Our invaluable weekly service gives you the information you need to navigate safely and effectively.

    We’ve designed the service to make it easy to update your Admiralty Leisure charts. Follow the link below to find all relevant Notices to Mariners (NMs) released since the publication date of your chart's new edition.

    View Admiralty Leisure’s Notices to Mariners >


    We've licensed companies to issue updates for our products direct to vessels at sea through Admiralty chart distributors. These electronic couriers, or value added resellers, supply correction datasets tailored to a vessel's portfolio of Admiralty charts and publications. The datasets are derived from the Admiralty digital files on our website.

    The electronic courier services help ship owners and masters to manage their chart and publication folios and comply with the International Safety Management Code.

    These companies are licensed to deliver Notices to Mariners on our behalf:

    VAR Website
    B Cooke & Son Ltd http://www.bcookeandson.co.uk
    Bluewater Books & Charts http://www.bluewaterweb.com
    Boat Books Australia Pty Ltd http://www.boatbooks-aust.com.au
    Bogerd Martin NV (Martin & Co) http://www.martin.be
    Brookes & Gibson Ltd http://www.brookesandgibson.co.uk
    C & C Marine Combine http://www.ccmarine.co.in
    CAIM (Cooperativa per Azioni Armamento Imprese Maritime) http://www.caim.it
    Captain Stephan Nedelchev http://www.admiraltycharts.com.uy
    Charity and Taylor http://www.ecdis-and-radar.com
    ChartCo http://www.chartco.com
    Chart-Track Data Systems Ltd (Martin & Co) http://www.charttrack.com
    ChartWorld http://www.chartworld.com
    Danaos Management Consultants http://www.danaos.gr
    Datema Delfzijl BV http://www.datema.nl
    Direct Nautical Co (DBA) N/A
    DPM (Singapore) Pte Ltd http://www.dpmsingapore.com.sg
    DPM (UK) Ltd http://www.dpm.co.uk
    Easy Marine http://www.easy-sm.com
    E W Liner http://www.ewliner.com
    HanseNautic GmbH Bade & Hornig Eckardt & Messtorff http://www.hansenautic.com
    Harri Trading BV http://www.harritrading.nl
    Hong Yunn Sea Professional Company Limited http://www.hongyunn.com.tw
    Islamorada Internacional S A http://www.islamorada.com
    Iver Weilbach http://www.weilbach.dk
    John Nurminen Marine Ltd http://www.johnnurminenmarine.com
    Kelvin Hughes Ltd http://www.kelvinhughes.com
    Korea Ocean Development Co Ltd http://www.chartkorea.com
    Lilley & Gillie Ltd http://www.lilleyandgillie.co.uk
    Magnetico G.A. http://www.magnetico.gr
    Marine Market Denizcilik San http://www.marine-market.com
    Marine Press of Canada (Digitrace Service) http://www.marinepress.com
    MARIS http://www.maris.no
    Maritime Services Ltd http://www.maritimeservices.ca
    Maryland Nautical Sales Inc http://www.mdnautical.com
    Maypole Management Ltd N/A
    McCurnin Nautical Co Inc http://www.mcnaut.com
    Millenium N/A
    Motion Smith http://www.motsmith.com
    Nautisk Forlag http://www.nautisk.com
    Novaco http://www.novaco.co.uk
    Poly Thomas Gunn Navigation Services S.A. http://www.polythomasgunn.gr
    Printagraph Ltd http://www.printagraph.co.uk
    Safe Navigation Inc http://www.safenav.com
    Sea Chest Nautical Bookshop (The) http://www.seachest.co.uk
    SEEKARTE Kapitän A. Dammeyer GmbH & Co. KG http://www.seekarte.de
    Shanghai Ocean Nautical Supply Company N/A
    Smart Ltd. http://www.smart.gda.pl
    South Bank Marine Ltd http://www.southbankmarine.com
    Suisca SL http://www.suiscasl.com
    Sweethigh Navigation Technology Limited N/A
    Thomas Gunn http://www.thomasgunn.com
    Thomas Gunn Yasden, Deniz Malzemeleri Ltd http://www.thomasgunnyasden.com
    Todd Chart Agency http://www.toddchart.com
    Trans Pacific Marine Ltd http://www.transpacific.co.nz
    Tyneside Nautical Charts & Publications CC (The) http://www.tyneside.co.za
    Vanos S A http://www.vanos.gr
    Zodiak, onderdeel van DSW Stadspark http://www.zodiakgrafischbedrijf.nl
    For updates to digital charts, please see The Admiralty Updating Service, which complements the standard CD-based updates, offering subscribers immediate internet access to the latest updates for digital charts.

    To view the NM files, you need to have Adobe Acrobat PDF viewer or another program capable of displaying PDF files. If you don`t have Acrobat Reader, click here to download it from Adobe's website.

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