In message <firstname.lastname@example.org>, MCC
I'm embarrassed to say I'd never heard of Astronomical Tides (and having
looked it up I'm amused to see that <http://www.pcwp.com/tide.html>
refers to "astrological tides" ! )
But I would guess that the common factor is that both tides occur when
the Moon is near perigee (28 February 2010 and 20 March 2015) As the LAT
occurs close to midnight, the fact that the Earth, Moon and Sun are all
lined up might also be a factor.
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