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Tide Gauge Details - Russia - Preobrazheniye

Device description

Name
Russia - Preobrazheniye
Country
Russia
Group
TD UNESCO
Lat/Lon
42.909 / 133.921997

Last measured values

Time(UTC)
10 May 2025 02:44:00
Latency
3059
Level
2.07

Harmonics

Points count
5573752
First date
11 Mar 2011 05:00
Last date
10 May 2025 02:44

Click on following link to see data:

Harmonics Constatns
Comp # Period (day) Cos factor (m) Sin factor (m)
0 0.00000 2.13623E+0 0E+0
1 0.12877 8.02958E-4 -3.67854E-4
2 0.12886 -6.01839E-4 4.35716E-5
3 0.12938 2.04677E-4 4.68559E-4
4 0.14707 3.56904E-4 -3.89326E-4
5 0.16841 -2.39341E-4 -2.34484E-4
6 0.16857 1.4297E-4 -1.32334E-4
7 0.17036 -1.52779E-5 1.84726E-4
8 0.17052 -2.4507E-4 -4.35426E-4
9 0.17251 -5.48697E-4 2.23097E-4
10 0.17470 -6.32428E-5 -1.84762E-4
11 0.19989 -7.63313E-4 7.21388E-4
12 0.20545 -1.82279E-4 1.9295E-4
13 0.24966 -3.77312E-4 7.6795E-4
14 0.25000 5.04094E-4 -6.03876E-4
15 0.25395 5.98488E-5 -4.28294E-4
16 0.25431 1.25175E-4 4.19939E-4
17 0.25631 -1.45663E-4 3.771E-4
18 0.25667 -4.97844E-5 -6.05545E-4
19 0.25876 -1.03046E-3 1.07623E-3
20 0.26122 6.75581E-4 7.32706E-4
21 0.33303 -6.72898E-5 -3.82042E-4
22 0.34071 -5.10377E-4 6.72336E-4
23 0.34135 4.19804E-4 -2.15836E-4
24 0.34502 3.35009E-4 -1.14718E-3
25 0.34943 -6.10799E-4 4.27593E-4
26 0.48977 -4.44336E-4 -1.67597E-4
27 0.49109 1.38428E-3 1.81153E-4
28 0.49863 6.76118E-3 9.18123E-4
29 0.49932 -1.01779E-3 -1.10692E-3
30 0.50000 -2.24721E-2 -1.345E-2
31 0.50798 1.6833E-4 5.20362E-5
32 0.50924 5.051E-5 8.95542E-4
33 0.51606 -1.01378E-3 3.09785E-4
34 0.51679 1.75054E-5 1.51097E-3
35 0.51753 -4.06927E-2 4.82821E-2
36 0.51826 -1.6319E-3 2.56343E-3
37 0.52608 -2.87672E-3 2.96823E-3
38 0.52743 1.27311E-2 6.35395E-3
39 0.53632 1.96131E-3 1.96035E-3
40 0.53772 1.46911E-3 -3.35365E-3
41 0.54697 1.12905E-5 3.96775E-5
42 0.54843 3.00204E-4 -3.28799E-4
43 0.89909 9.28992E-4 -2.23515E-4
44 0.92942 -7.5886E-4 -1.03828E-4
45 0.93417 1.04954E-3 1.48595E-3
46 0.96244 2.92068E-3 -3.43936E-3
47 0.96696 6.35953E-4 9.78582E-4
48 0.99185 2.86547E-4 -6.76492E-4
49 0.99455 5.3543E-4 -1.07669E-3
50 0.99727 -4.54077E-2 -2.86565E-2
51 1.00000 -1.13378E-3 4.50947E-3
52 1.00275 -1.05777E-2 -1.17922E-2
53 1.00551 -1.65854E-4 -2.02152E-4
54 1.02954 -8.23751E-4 -3.11939E-4
55 1.03472 -1.39278E-3 3.55328E-3
56 1.04061 2.70201E-4 1.60498E-4
57 1.06951 2.34546E-4 -1.96196E-3
58 1.07581 -4.02227E-2 3.30845E-2
59 1.11346 -2.73229E-3 -1.0923E-3
60 1.11951 9.87112E-3 7.54638E-3
61 1.16035 1.6518E-3 -2.86086E-4
62 1.16693 1.22804E-3 -6.55368E-4
63 1.21136 -2.04578E-3 -1.79071E-5
64 13.66079 1.69048E-2 2.54101E-2
65 14.76529 -4.60201E-3 4.80022E-3
66 27.55455 2.07203E-3 -9.0915E-4
67 31.81193 -1.7469E-2 -1.18566E-3
68 182.62118 1.40129E-2 1.42674E-2
69 365.25998 -1.07339E-1 -4.17701E-2
Mathematical Formula
Tide calculation mathematical formula
Visual Basic Syntax
Function EstimateTideValues() As [Function]
                        Dim Pi As [Double] = Math.PI
                        Dim sum As [Double] = harmonics(0, 1)
                        For k As Int16 = 1 To harmonics.GetUpperBound(0)
                        Dim period As [Double] = 2 * Pi / harmonics(k, 0)
                        Dim coefCos As [Double] = harmonics(k, 1)
                        Dim coefSin As [Double] = harmonics(k, 2) 
                        sum = sum + coefCos * Math.Cos(time * period)
                        sum = sum + coefSin * Math.Sin(time * period)
                        Next
                        Return sum
                        End Function
C# Syntax
double EstimateTideValues()
                        {
                        double Pi = Math.PI;
                        double sum = harmonics[0, 1];
                        for (int k=1; k <= harmonics.GetUpperBound(0); k++)
                        {
                        double period = 2 * Pi / harmonics[k, 0];
                        double coefCos = harmonics[k, 1];
                        double coefSin = harmonics[k, 2];
                        sum += coefCos * Math.Cos(time * period);
                        sum += coefSin * Math.Sin(time * period);
                        }
                        return sum;
                        }

Axis ranges

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