IMPORTANT:The following Harmonic Constants and the Current Predictions derived from them, must not be used for
planning of any sort, forecasting, for public warning or public advisory. This is only support information for oceanographers or marine scientists.

Station Position: about half a mile west of El Maní Community (18° 14' N and 67° 10' 56" W) at 10 meter depth.
InterOcean Systems S4 Current Meter (electromagnetic). "The instrument located offshore El Maní was programmed
to record 1 minute averages of the half second sample rate. Every half a second a measure of component u
and v of the current is recorded. It means that 120 samples are averaged every 1 minute.
The instrument turns on for one minute and then turns off for another minute. For every
hour the current meter collected 30 averages.Data sampling every 2 minutes.Since this means a two-minute interval
between each average (h=.033 hours)."
Data from Edwin Alfonso-Sosa's Master Thesis (1995): "The Coastal Current Regime in Añasco Bay
During a One-year Period"

Data Processing and Harmonic Analysis is a courtesy of Dr. Edwin Alfonso-Sosa.

Harmonic Analysis by t_tide_v1.1 toolbox for Matlab
date: 25-Sep-2013
nobs = 239044,  ngood = 200426,  record length (days) = 332.00, record length (good days) = 278.37,
start time: 01-Apr-1993
rayleigh criterion = 1.0
Greenwich phase computed with nodal corrections applied to amplitude \n and phase relative to center time

x0= 1.96, x trend= 0

var(x)= 31.0848   var(xp)= 12.7108   var(xres)= 18.3924
percent var predicted/var original= 40.9 %

For V (North-South) current tidal amplitude (cm/s) and phase with 95% CI estimates

tide   freq         amp     amp_err    pha    pha_err     snr
*SSA  0.0002282    1.1722    1.042    46.68    59.28      1.3
*MSM  0.0013098    1.0254    1.000   354.00    68.40      1.1
*2Q1  0.0357064    0.3199    0.251   101.42    52.01      1.6
 SIG1 0.0359087    0.2199    0.224   133.99    69.20     0.97
*Q1   0.0372185    0.3597    0.251   234.58    45.80      2.1
*O1   0.0387307    1.3914    0.258    84.75    11.27       29
*TAU1 0.0389588    0.3521    0.228   224.99    35.17      2.4
*BET1 0.0400404    0.3636    0.283    18.95    43.14      1.6
*P1   0.0415526    0.5557    0.244    56.16    25.51      5.2
*P1   0.0415526    0.3682    0.261   156.52    40.30        2
*K1   0.0417807    1.1126    0.271   149.45    13.27       17
*PHI1 0.0420089    0.2513    0.243   112.06    60.60      1.1
*OQ2  0.0759749    0.4229    0.328    98.44    39.69      1.7
*2N2  0.0774871    0.2932    0.290     3.00    60.52        1
*N2   0.0789992    1.0109    0.307   238.49    16.12       11
*NU2  0.0792016    0.4403    0.302    54.49    33.98      2.1
*M2   0.0805114    3.5572    0.277   106.07     4.75 1.6e+002
*MKS2 0.0807396    0.5859    0.329   346.83    34.84      3.2
*L2   0.0820236    0.4359    0.348   334.03    46.31      1.6
*S2   0.0833333    0.3854    0.336   131.74    43.92      1.3
*MN4  0.1595106    0.5763    0.213   290.03    22.63      7.3
*M4   0.1610228    1.2855    0.226   199.99     9.97       32
*M4   0.1610228    0.4944    0.217   109.99    26.84      5.2
*SN4  0.1623326    0.2426    0.206   121.18    50.77      1.4
*MS4  0.1638447    0.2778    0.230   182.78    48.69      1.5
*2MK5 0.2028035    0.2181    0.146   259.54    44.53      2.2
*2MN6 0.2400221    0.3722    0.181    81.59    30.68      4.2
*M6   0.2415342    0.4592    0.177   354.59    24.79      6.7
*2MS6 0.2443561    0.2087    0.207   359.38    59.86        1
*3MK7 0.2833149    0.1383    0.099   151.64    45.69        2
*M8   0.3220456    0.0694    0.053   181.72    48.18      1.7

----------------------------------------------------------------------------------------------------------
date: 25-Sep-2013
nobs = 239044,  ngood = 200426,  record length (days) = 332.00
start time: 01-Apr-1993
rayleigh criterion = 1.0
Greenwich phase computed with nodal corrections applied to amplitude \n and phase relative to center time

x0= 0.298, x trend= 0

var(x)= 8.8857   var(xp)= 0.7201   var(xres)= 8.1679
percent var predicted/var original= 8.1 %

For U (East-West) current tidal amplitude (cm/s) and phase with 95% CI estimates

tide   freq        amp      amp_err    pha    pha_err     snr
*O1   0.0387307    0.3194    0.184   287.61    39.61        3
*P1   0.0415526    0.2737    0.200   228.53    42.72      1.9
*K1   0.0417807    0.4463    0.181    33.98    29.56      6.1
*PHI1 0.0420089    0.3727    0.179   153.16    28.85      4.4
*2N2  0.0774871    0.1969    0.193   318.72    66.14        1
*M2   0.0805114    0.6956    0.213   207.81    16.32       11
*S2   0.0833333    0.4570    0.214   148.90    26.78      4.6
*K2   0.0835615    0.3908    0.245   256.38    34.54      2.5
*MK3  0.1222921    0.1638    0.134   347.60    55.40      1.5
 M4   0.1610228    0.0958    0.100    19.99    64.34     0.91
*S4   0.1666667    0.1774    0.112   122.82    37.93      2.5
*2MK5 0.2028035    0.0923    0.084   122.52    61.58      1.2
*2MK6 0.2445843    0.0797    0.075   108.63    55.42      1.1

ACKNOWLEDGMENTS
Acknowledgment is due to Dr. José M. Lopez for providing direction throughout this work and
my professional training. Credit is also due to Capt. Dennis Corales, his labor made possible the gathering
of all this data.
Acknowledgment is due to Kurt Grove who continued the sampling for additional six months to
complete the year record. Thanks to Dr. Manuel Hernández Avila who provided me with his field assistant,
Marcos Rosado, as diving partner. My appreciation is extended to Angel Dieppa, Deborah Parrilla,
Gretchen Colón and Alfredo Vélez who participated in the diving operations.
Acknowledgment is due to Prof. Aurelio Mercado and Dr. Jorge Capella who provided me with
the basics for processing of oceanographic data.
Support of this work was provided by a NASA training grant (NGT-70238) for three years (1992-
1994).