Harmonic Constituents - NOAA Tides & Currents

Harmonic Constituents for 8572770, Matapeake MD

Constituent #: Order in which the National Ocean Service lists the constituents
Name: Common name used to refer to a particular constituent, subscript refers to the number of cycles per day
Amplitude: One-half the range of a tidal constituent
Phase: The phase lag of the observed tidal constituent relative to the theoretical equilibrium tide
Speed: The rate change in the phase of a constituent, expressed in degrees per hour. The speed is equal to 360 degrees divided by the constituent period expressed in hours
Description: The full name of the tidal constituent

Please refer to the Tide and Current Glossary for definitions of terms. Amplitudes are in feet. Phases are in degrees, referenced to Local. Z₀ (MSL): 0 feet

Constituent #	Name	Amplitude	Phase	Speed	Description
1	M2	0.46	147.5	28.984104	Principal lunar semidiurnal constituent
2	S2	0.07	173.6	30.0	Principal solar semidiurnal constituent
3	N2	0.1	127.2	28.43973	Larger lunar elliptic semidiurnal constituent
4	K1	0.19	277.0	15.041069	Lunar diurnal constituent
5	M4	0.01	103.7	57.96821	Shallow water overtides of principal lunar constituent
6	O1	0.15	286.4	13.943035	Lunar diurnal constituent
7	M6	0.01	52.6	86.95232	Shallow water overtides of principal lunar constituent
8	MK3	0.01	261.1	44.025173	Shallow water terdiurnal
11	NU2	0.02	127.1	28.512583	Larger lunar evectional constituent
14	2N2	0.01	109.7	27.895355	Lunar elliptical semidiurnal second-order constituent
16	LAM2	0.01	163.9	29.455626	Smaller lunar evectional constituent
17	S1	0.06	213.9	15.0	Solar diurnal constituent
21	SSA	0.11	53.5	0.0821373	Solar semiannual constituent
22	SA	0.35	130.3	0.0410686	Solar annual constituent
30	P1	0.06	269.9	14.958931	Solar diurnal constituent
33	L2	0.03	175.1	29.528479	Smaller lunar elliptic semidiurnal constituent
34	2MK3	0.01	257.5	42.92714	Shallow water terdiurnal constituent
35	K2	0.02	168.0	30.082138	Lunisolar semidiurnal constituent

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Harmonic Constituents for 8572770, Matapeake MD

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