Following consultation with users, ADMIRALTY EasyTide is being redesigned to improve ease of use. From September 2021, the service will become a free-to-use platform, offering predictions for UK tidal stations only. Enhanced predictions will no longer be available to purchase or redeem after 31st August 2021. Ticket holders are encouraged to use their outstanding tickets before this date.
Those with outstanding tickets purchased prior to publication of this notification (20th April 2021) can instead opt for a refund by contacting Customer Services at customerservices@ukho.gov.uk. Note, tickets purchased after the date of publication of this notification will not qualify for a refund. For more information, please refer to the ADMIRALTY news article.
ADMIRALTY Total Tide (ATT) Take advantage of the tides. ATT helps crews take full advantage of favorable tides – allowing them to calculate safe Reducing risks to your ship, cargo and crew, ATT enables quicker and more informed decisions to be made on the bridge regarding key commercial and safety issues. ADMIRALTY TotalTide (ATT) provides bridge crews with fast, accurate tidal height and tidal stream predictions for more than 7,000 ports and 3,000 tidal streams worldwide. This global coverage, which is split across 10 areas, enables users to take advantage of the tides whilst reducing risk to crew, cargo and ships. Instant tidal predictions. TotalTide for Defence 1.1. TotalTide for Defence is developed by UK Hydrographic Office and is used by 2 users of Software Informer. The most popular versions of this product among our users are: 1.1, 1.2 and 1.3. The names of program executable files are TotalTide.exe, Icon6D543B48.exe. The product will soon be reviewed by our informers.
Get FREE tidal predictions
Not Registered?
Register and use the enhanced features of EasyTide
- Favourite Ports (maintain a list of ports)
- Notes (make and save notes)
Already registered?
To the right is the list of UKHO download files.
Below is a description of how the files are titled you can choose either .zip or .iso formats.
ZIP files are best for download and install without burning.
ISO files are usually burned straight to a CD. Later versions of Windows can use them directly.
Normaly .zip files are used.
AVCS S57 vector cells:
Scroll down to the AVCS_S631-1 folder and download the required AVCS base CD's and latest update CD.
For example:
- AVCS Base CD 5 Week 3 2014 would be similar to
- AVCS_S631-1_BASE_CD5_WK03_14.zip
- AVCS update CD for week 5 2014
- AVCS_S631-1_UPDATE_CD_WK05_14.zip
For Admiralty Digital Products (ADP) :
Total Tide, Digital lights, Radio signals download the installation CD and any update
- Install CD
- ADP_v14.zip
- Update CD/li>
- ADP_V14_WK05_14.zip
ARCS Base CD download:
Note: UKHO does occasionally changes the file names and layout of the site, you may need to work out which files are required
If you do not see the list to the right, click the fille link below and enter the username and password if prompted:
Admiralty Total Tide Software Download
- username: ukhopublic
- password: Public12345