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The moon is the biggest factor in determining the cause of tides so Current Tide Clocks are designed to track the moons effect on the tide.

A lunar day (or tidal day) takes place every 24 hours and 50 minutes and refers to how long it takes for the moon appears in the same place in the sky. The hand on Current Tide Clocks complete a full rotation every 12 hours, 25 minutes and 14 seconds – this is the average time it takes the tide to come in and out on semidiurnal coasts.

Every Current Tide Clock can be set to track any semidiurnal tide (all of Ireland) so you set your clock to your desired location and you’re good to go!

Current Tide Clocks are not pre-set, so you can set it to track any semi-diurnal tide. Every clock comes with a full set of instructions on how to set. You can also read more about it here. 

We recommend using the tide chart on this website but drop us an email at if you are having any issues setting your clock. We’ll be happy to help!

Unfortunately, we don’t offer any personalisation services at present.

We plan to continue expanding our locations and always love to hear where you want to be featured next. You can input your suggestions here.

You can set your Current Tide Clock to track any tide you like in Ireland and the UK – our Ripple Clock is a popular choice for people looking for a universal design.

At present, the only place to purchase an official Current Tide Clock is here on our website:


Unfortunately, we cannot facilitate any in-person order collections.

When set correctly, it is normal for all tide clocks to have deviations of up to one hour. It is important not to readjust the clock during these deviations as it will upset the overall accuracy. Only set the clock on days of full or new moons for accurate results.

Approximately every 6 months it is worthwhile checking/resetting your clock during a full or new moon to ensure accuracy.

New Moon

  • June 6th, 2024
  • July 5th, 2024
  • August 4th, 2024
  • September 3rd, 2024
  • October 2nd, 2024
  • November 1st, 2024
  • December 1st, 2024
  • December 30th, 2024


Full Moon

  • June 22nd, 2024
  • July 21st, 2024
  • August 19th, 2024
  • September 18th, 2024
  • October 17th, 2024
  • November 15th, 2024
  • December 15th, 2024