Table 2 



Beach Conditions 



Day 



Start 

 Time 

 (EST) 



Hmo 



(m) 



Peak 

 Freq. 

 (Hz) 



Incidence 

 to Beach 

 Normal 

 (cleg) 



Irribarren 

 Number 



Shoreline 



Beach 



Slope 



Mean 

 Longshore 

 Current 

 (m/s) 



4 Oct 90 

 4 Oct 90 

 4 Oct 90 



820 

 1132 

 1608 



0.56 

 0.55 

 0.74 



0.240 

 0.220 

 0.201 



-58 

 -42 

 -36 



1.43 

 0.87 

 0.55 



0.066 

 0.064 

 0.045 



-0.11 

 -0.26 



5 Oct 90 

 5 Oct 90 



824 

 1300 



0.59 

 0.49 



0.240 

 0.074 



42 



-16 



2.24 

 1.21 



0.089 

 0.048 



-0.01 

 -0.19 



6 Oct 90 

 6 Oct 90 

 6 Oct 90 



713 

 917 

 1235 



0.54 

 0.53 

 0.50 



0.083 

 0.083 

 0.083 



-32 

 -32 

 -28 



1.97 

 1.16 

 1.39 



0.096 

 0.056 

 0.066 



-0.08 

 -0.11 

 -0.18 



7 Oct 90 

 7 Oct 90 

 7 Oct 90 



728 

 930 

 1357 



0.60 

 0.57 

 0.56 



0.093 

 0.093 

 0.103 



-28 

 -32 

 -26 



1.25 

 1.31 

 0.54 



0.073 

 0.075 

 0.030 



-0.17 

 -0.19 

 -0.39 



8 Oct 90 

 8 Oct 90 

 8 Oct 90 

 8 Oct 90 



813 

 1023 

 1330 

 1532 



0.72 

 0.72 

 0.70 

 0.71 



0.093 

 0.093 

 0.093 

 0.093 



-24 

 -38 

 -26 

 -24 



0.82 

 0.60 

 0.68 

 0.63 



0.046 

 0.033 

 0.040 

 0.040 



-0.29 

 -0.31 

 -0.47 

 -0.61 



9 Oct 90 

 9 Oct 90 



900 

 1330 



1.13 

 1.02 



0.093 

 0.093 



-28 

 -26 



1.14 

 0.86 



0.085 

 0.065 



-0.59 

 -0.67 



10 Oct 90 

 10 Oct 90 

 10 Oct 90 

 10 Oct 90 



537 

 723 

 954 

 1213 



0.98 

 1.12 

 1.13 

 1.18 



0.093 

 0.093 

 0.103 

 0.093 



-26 

 -28 

 -28 

 -36 



0.61 

 0.93 

 1.08 

 0.95 



0.048 

 0.077 

 0.091 

 0.079 



-0.77 

 -0.83 

 -0.57 

 -0.60 



1 1 Oct 90 

 1 1 Oct 90 

 1 1 Oct 90 

 11 Oct 90 



630 

 847 

 1055 

 1305 



1.72 

 1.72 

 1.62 

 1.46 



0.123 

 0.123 

 0.113 

 0.113 



-36 

 -36 

 -28 

 -40 



0.73 

 0.69 

 1.30 

 1.13 



0.098 

 0.085 

 0.153 

 0.125 



-1.28 

 -1.32 

 -1.11 

 -0.97 



12 Oct 90 

 12 Oct 90 

 12 Oct 90 



719 

 1226 



1538 



1.23 

 1.49 

 2.13 



0.113 

 0.064 

 0.074 



-24 

 -22 

 -8 



0.93 

 1.41 

 1.43 



0.094 

 0.099 

 0.122 



-0.90 

 -0.71 

 -1.11 



13 Oct 90 

 13 Oct 90 

 13 Oct 90 

 13 Oct 90 

 13 Oct 90 



645 

 901 

 1116 

 1339 



1554 



2.18 

 2.19 

 2.19 

 2.03 

 1.81 



0.083 

 0.093 

 0.093 

 0.093 

 0.093 



-26 

 -26 

 -26 

 -10 



-22 



1.19 

 1.16 



1.31 

 1.64 

 1.77 



0.117 

 0.117 

 0.135 

 0.165 

 0.165 



-1.06 

 -0.97 

 -1.12 

 -1.13 

 -1.02 



14 Oct 90 

 14 Oct 90 

 14 Oct 90 

 14 Oct 90 



800 

 1011 

 1330 

 1545 



1.16 

 1.14 

 1.11 

 1.13 



0.103 

 0.103 

 0.103 

 0.093 



-22 

 -24 

 -18 

 -18 



1.04 

 0.95 

 2.15 

 3.09 



0.088 

 0.084 

 0.189 

 0.189 



-0.56 

 -0.59 

 -0.32 

 -0.26 



15 Oct 90 

 15 Oct 90 

 15 Oct 90 



712 

 1141 

 1351 



1.00 

 0.96 

 1.00 



0.083 

 0.093 

 0.093 



-24 

 -22 

 -22 



2.29 

 1.90 

 1.75 



0.151 

 0.122 

 0.116 



-0.53 

 -0.40 

 -0.33 



16 Oct 90 

 16 Oct 90 

 16 Oct 90 

 16 Oct 90 

 16 Oct 90 



728 

 937 

 1148 

 1414 

 1606 



1.31 

 1.10 

 1.10 

 1.13 

 0.92 



0.171 

 0.103 

 0.103 

 0.103 

 0.103 



18 

 -22 

 -22 

 -22 

 -20 



1.08 

 0.90 

 0.86 

 1.00 

 1.92 



0.097 

 0.074 

 0.074 

 0.088 

 0.138 



0.28 

 -0.16 

 -0.16 

 -0.22 

 -0.19 



Note: Listed are wind wave (0.05-0.30 Hz) wave height (Hmo), peak frequency and angle of 

 Incidence of the peak frequency to the beach. Negative longshore current is northward directed. 



(Continued) 



Chapter 4 Field Observations 



37 



