TideData
MoonPhase
Dataset
DateObject
DateListPlot
StandardOceanData
MoonPosition

Geography
Data Science

Visualize Ocean Maximal Tides

Show high tides and Moon phases for a specified city

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Use

to calculate the next high tide, the highest tide in the next day, the next spring tide and the next perigean spring tide for the city of Norfolk:

In[1]:=

ds=DatasetTideData

Norfolk

CITY

,#,

Day:

Tue 1 Jan 2023

&/@{"HighTide","HighHighTide","HighSpringTide","HighPerigeanSpringTide"}

Out[1]=

Time	Height
Sun 1 Jan 2023 04:44:31	2.424ft
Sun 1 Jan 2023 04:44:31	2.424ft
Sat 7 Jan 2023 09:19:49	2.518ft
Sun 22 Jan 2023 09:22:39	3.064ft

Compare these results against the highest calculable tide based on the available tide data:

In[2]:=

highest=TideData

Norfolk

CITY

,"HighestAstronomicalTide"

Out[2]=

4.033

Compute the water level though January:

In[3]:=

wl=TideData

Norfolk

CITY

,"WaterLevel",

Day:

Tue 1 Jan 2023

,ds[-1,"Time"]+

day

,"Hour";

Compute the phase of the Moon though January:

In[4]:=

phase=MoonPhase

Day:

Tue 1 Jan 2023

,ds[-1,"Time"]+

day

,"Day","Icon"["Path"];;;;2;

Plot the water level through January, marking the different high tides, and compare with the phases of the Moon:

In[5]:=

ShowDateListPlotwl,

...

,DateListPlotMapThread[Tooltip[#1,#2]&,{Values[Normal[ds]],{"HighTide","HighHighTide","HighSpringTide","HighPerigeanSpringTide"}}],

,DateListPlot{{#〚1〛,0}}&/@phase,PlotMarkers({#1〚2〛,0.1}&)/@phase,



Out[5]=

Related Symbols

TideData
MoonPhase
Dataset
DateObject
DateListPlot
StandardOceanData
MoonPosition

Publisher Information

Contributed by: Wolfram Staff