Royal Forth Yacht Club
Watersports at Granton

Tides

Warning

Tide tables are just a prediction of the action of the tide. Take it too literally and you may end up in trouble.  This is one unfortunate on the Medulse Rocks.

High tide time predictions are given in the Sailing Calendar, the club yearbook, and the table at the bottom of every web page, for high tides occurring while the boatman is on duty.

Many things can affect the predictions but the key ones for us at Granton are:

– The flow of the river – increase flow from upstream can push up the tide or impact the timings

– Atmospheric pressure – The effect of air pressure on tidal height is substantial and all too easy to forget.  Tide tables assume a standard pressure of 1013 millibars.  Roughly a change in pressure of one millibar will change the sea level by one centimetre.

Forth Ports Authority information:

See “wind and tides” widget in the sidebar. One of the links is to a pdf file which will download (and/or open in a new window) listing tides for the year at Grangemouth, Rosyth, Leith, Burntisland, Methil, Dundee, River Tay bar. TIMES IN GMT.

Current tidal height and wind for Leith, Rosyth and Grangemouth. (Example below)

Screen Shot 2015-03-07 at 17.50.55

Other predictions:

Here are a couple of the more useful tide predictions for us.  (They will open in a new window).  Don’t forget that these may need adjusting for BST (unlike the tables in the handbook).

Shows times for Granton corrected for BST when necessary: Granton Tide Times

Tides from Easytide

High and Low water times for Leith (28 Days) from the  National Oceanography Centre

Tide Plotter software is now available for Windows and Android. Its developers have been testing the Android version for some time at sea in a sailing environment. It does not require internet access after the initial installation and carries data through to 2020, depending on what you pay, for the UK and Ireland.

Full details and installation from Keith Belfield, Belfield Software: click here

Some electronic chart packages have tidal information, including Navionics both on tablet and in chart plotters.

 

Upcoming Events

  1. Prizegiving

    Saturday, November 17
  2. AGM

    Thursday, November 22
  3. Wednesday 5th December – A West Coast Voyage – 2018 presented by Brian Roberston 7 for 7:30 pm

    Wednesday, December 5 @ 7:00 pm - 10:00 pm
  4. Christmas lunch

    Friday, December 14 @ 1:00 pm - 9:00 pm
  5. Visitors from Port Edgar

    Wednesday, January 2, 2019 @ 8:00 am - 5:00 pm
  6. Winter Talk

    Wednesday, January 9, 2019 @ 7:00 pm
  7. Wednesday 9th January – Sailing Round Britain with Charles Walrow 7pm for 7:30pm

    Wednesday, January 9, 2019 @ 7:00 pm - 10:00 pm
  8. Burns Supper

    Saturday, February 2, 2019

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