Posted by Jock on March 08, 2007 at 18:56:48 from 87.105.81.146 user Jock.
In Reply to: Re: SpectronRe: Journey back from Secret Water posted by Bill Wallace-King on March 08, 2007 at 14:33:13:
I would guess that if Spring tides occur when the Earth and Moon are in line (add a couple of days for North Sea tides) and Neaps are when they are a right angles to each other, then Full and Change tides are when they are at 45 degrees to each other.
[Having stuck my neck out, I await ACB's comments with interest!]