Soldato
- Joined
- 1 Sep 2005
- Posts
- 10,001
- Location
- Scottish Highlands
Does anyone know where I can get long range tidal forcasts from? Im after them for the week beginning the 6th August. BBC only seems to cover 1 week.
Not too difficult to do yourself, once you have the basic details. What you need to do is, for a given locality, plot the time of high tide against the phase of the moon. This remains constant for a given locality.
So where I am, at new moon and full moon, high tide is at 4am and 4pm (GMT; 5am/pm BST), and at half-moon, 10am & pm, etc.
So if you check the tide times over a lunar cycle (29 days) for the locality you wish to visit in several months, then see the date of full etc moon for when you will be there, you can get a pretty good estimate of the tides.
Another tip: Spring tides are typically 2 days after new moon and full moon; neap tides are 2 days after each half-moon.