Graham Easterling wrote in message
...
On 7 Mar, 19:15, "N Cook" wrote:
Graham Easterling wrote in message

...

The spring tide on Monday is in the top 15 percent
of all high water heights predicted for this year

Actually, it's one of the 5 highest tides of the year at Newquay,
putting it in the top 1% of tides this year. You have to wait until
October for a tide as high as Monday morning's to occur again.

Bad timing I'd say.

Graham
Penzance

For Portsmouth there are 105 predicted tides of 4.7m or higher in 2008,
Monday is predicted as 4.7m.
About 710 tides in the year, so I make it about 15 percent.
I can't believe that Newquay is that much different in that aspect of the

I've doubled checked with another set of tidetables, which makes it
the 3rd highest of the year, Newlyn virtually the same. I've also
checked easytide online, which gives 7.3m for Newquay Monday. The
highest for the year is normally about 7.4.

Best believe it!

Southampton is a a very abnormal position.

Graham
Penzance


We're only quibling over inches really. The Monday midday tide at Portsmouth
predicted at 4.9m, 18 of these or more this year so top 2.5 percent.

I wonder what the 14.15, 6.4m, no higher this year, Thames Estuary tide will
be like.
Anyone know of a webcam covering the Thames barrage?

5.5m above mean sea level at Woolwich is the design breach level.
Mean sea level at Woolwich about 3.2m.

So about 2.3m above predicted for Monday is the over-top level
Has any of the gates ever failed, eg pushbike jammed between fixed and
moving parts ?