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.

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:

2016 tide tables (this is a pdf file which will download and/or open in a new window) for 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 for 2015 and 2016, for the UK and Ireland.

It is priced at £7.99 to cover royalty fees, Google’s commission and a little bit to put food on the table.

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

 

VISITORS

For visitor facilities: click here.

Wind and Tide

For current wind at Braefoot Bay and Ichcolm Island, click here.

For current tidal height and wind for Leith: click here.

To download 2017 tide tables, courtesy of Forth Ports Ltd: click here .

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