Tides....

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Tides....

Postby Leven » Tue Mar 05, 2013 7:17 pm

Ok, this may be a question I should know the answer to but....

I always thought that the tide time changed by about 40/45 minutes every day. But today to tomorrow is nearly an hour and a half. What gives?

I'm guessing it's something to do with the size of tide but.......
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Re: Tides....

Postby Philshoz » Tue Mar 05, 2013 7:37 pm

It's all luny leven
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Re: Tides....

Postby Black » Tue Mar 05, 2013 8:50 pm

Must be an error or adjustment for missing Feb 29th! :lol:

Maybe you've gone from GMT to BST or something?
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Re: Tides....

Postby Leven » Tue Mar 05, 2013 8:55 pm

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Re: Tides....

Postby Ferral » Tue Mar 05, 2013 9:47 pm

Your giving an average value, but tides change by less time during springs and more during neaps. Like you say on neap tides (now) this can be by 1.5hrs, for spring tides it might be as little as 15minutes sometimes.

Trust you cornish folk not to have noticed...
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Re: Tides....

Postby wigsy » Tue Mar 05, 2013 9:49 pm

12 hours and 25 minutes according to most places, between two highs or two lows.
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Re: Tides....

Postby ATTMFKH » Tue Mar 05, 2013 11:50 pm

Try this to twist your melon then Leven ............

http://magicseaweed.com/Machrihanish-Su ... t/85/Tide/
Are We Too Deep ...............
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Re: Tides....

Postby Black » Wed Mar 06, 2013 1:07 pm

All this could explain those times I'm sat there going, wtf is the tide doing? :lol:

Edit In simple terms it should be 24hrs divided by 28, which is about 51 minutes!
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Re: Tides....

Postby surfrat » Wed Mar 06, 2013 10:44 pm

spring tides move bout half an hour, neaps can move longer intervals
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