Math lab tool for calculating of Tide

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indika kathaluwa weligamage
indika kathaluwa weligamage 2018 年 9 月 10 日
回答済み: Abdulla 2023 年 8 月 20 日
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.


Gabriel Ruiz-Martinez
Gabriel Ruiz-Martinez 2021 年 7 月 9 日
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:
I little late, but I hope this toolbox can be useful to other people, interested in tides.
  5 件のコメント
Siegmund Nuyts
Siegmund Nuyts 2022 年 12 月 19 日
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
indika kathaluwa weligamage 2022 年 12 月 20 日
編集済み: indika kathaluwa weligamage 2022 年 12 月 20 日
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


その他の回答 (2 件)

Haidong Pan
Haidong Pan 2021 年 12 月 23 日
You can also try newest S_TIDE toolbox (
  1 件のコメント
Mac 2022 年 3 月 2 日
Thank you for this.


Abdulla 2023 年 8 月 20 日
Look for Tide Peaks Toolbox published very recently.


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