On 25 Nov, 17:26, "Jack )"
wrote:
North Westerlies coupled with spring tides (full moon was Saturday) is
the normal recipe (eg, as per two weeks earlier).

Jack

Astronomical tide is actually a fair bit bigger than it was 2 weeks
ago (which was a small spring). Large spring tides typically (though
not always) occur every 4 weeks.

Graham
Penzance