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Can someone explain why the tide is like this?

PostPosted: Mon Nov 12, 2018 9:21 pm
by BaNZ
Screen Shot 2018-11-12 at 4.18.55 PM.png
East Coast

East coast tide looks consistent with the peak and trough.


Screen Shot 2018-11-12 at 4.18.09 PM.png
West Coast

West coast have a small low tide then another super low tide later on.

Re: Can someone explain why the tide is like this?

PostPosted: Tue Nov 13, 2018 7:42 am
by dtc
sure, dynamical effects combine with the bathymetry to create higher frequency tidal harmonics that interact with the primary tidal forces to create these more complex tides.

:-D :-D

Q9 and 10 here answer your questions

https://www.ntslf.org/about-tides/tides-faq

Re: Can someone explain why the tide is like this?

PostPosted: Tue Nov 13, 2018 3:14 pm
by BaNZ
Oh I thought this is just a thing in West coast. I've not seen anything as extreme as this and I spend a lot of time looking at the tide/forecast.