Math lab tool for calculating of Tide

I have 12 years of 1 min frequency tide/sea level data. Is there any tool box to calculate, Highest Astronomical tide level , Mean high water spring ,mean high water neap, mean low water neap, mean high water spring, lowest astronomical tide level, Seasonal variation. Highly appreciate your quake response.

Answer 1

[Gabriel Ruiz-Martinez]

Hi Indika,

if you have a water level record of 12 years, you can use the Rich Pawlowicz's T-Tide Matlab toolbox to analyze your data.

The toolbox can be downloaded from Pawlowicz's page:

T_Tide Harmonic Analysis Toolbox

I little late, but I hope this toolbox can be useful to other people, interested in tides.

[indika kathaluwa weligamage]

Hi Gabriel Ruiz Martinez

Thank you. This tool box is working well.. It is good answer. Highly appriciate gratefull thanks.

Iam also late to conform the answer. It takes to study the cord and arrange the data dormat...

But one question..Can i use this program to use TIDE PREDIC. for future using available readings.

The programm only predic the tide during available data.... It is usefull for extract the nontidal signals.

[Gabriel Ruiz-Martinez]

Hi @indika kathaluwa weligamage! As I know, with T_tide you can predict the tide in a period of one year from your tidal record.

Check this answer.

Regards.

[indika kathaluwa weligamage]

Thank your reply with details.

I will tray and update how work tide predic...Pawlowicz's T_Tide Matlab toolbox (version 1.4)

[Siegmund Nuyts]

Hey, I'm just checking the T_Tide toolbox.

How can I get the basic parameters (high tide, low tide, mean high spring, ...) from this?

[indika kathaluwa weligamage]

The programe generated result shows as following, tide freq , amp , amp_err , pha , pha_err , snr,

Then you have to calculate using each componant S2,M2,K1,O1.....etc, 2(m2+S2) = Spring, 2(m2-S2)= Neap, form factor =ratio of K1+o1 to m2+s2, please read : Hicks, S. D. (2006). Understanding Tides. Physical Ocean for Operational oceanographic Product and Service, National Oceanic and Atmospheric Administration, National Ocean Service., U.S.A

Answer 2

[Haidong Pan]

You can also try newest S_TIDE toolbox (https://ww2.mathworks.cn/matlabcentral/fileexchange/75532-a-non-stationary-tidal-analysis-toolbox-s_tide)

[Mac]

Thank you for this.

Answer 3

[Abdulla]

Look for Tide Peaks Toolbox published very recently.

Tide Peaks Toolbox - File Exchange - MATLAB Central (mathworks.com)