Ho' 



24 Nov. 1980 (1341) 

 Ho/Lo= 0.00326 



Moximum Crest 

 Observed ot 

 Eoch Goge 



P = 0.02 



-o P = 0.135 



12 3 4 5 6 7 



d/Ho 



Figure 17. Variation in wave crest elevation for a 1 on 30 slope. 



Table 7. Selected irregular wave crest data for waves 

 breaking on a 1 on 30 slope. 



Date 



Time 



h;/I'o 



Wave and crest data at the occurrence of the 

 highest single crest 



Hg/d 



d/gT2 



(nc)max/"s 



<'lc)max/d 



^^cVax/^o 



25 Nov. 



80 



1223 



0.040 



0.27 



0.12 



1.23 



0.33 



1.03 



25 Nov. 



80 



1110 



0.032 



0.35 



0.067 



1.25 



0.44 



1.08 



24 Nov. 



80 



1517 



0.024 



0.41 



0.051 



1.29 



0.53 



1.15 



24 Nov. 



80 



1310 



0.021 



0.33 



0.057 



1.27 



0.42 



1.15 



24 Nov. 



80 



1431 



0.0115 



0.38 



0.031 



1.60 



0.60 



1.60 



24 Nov. 



80 



1259 



0.0050 



0.27 



0.021 



1.86 



0.50 



2.13 



24 Nov. 



80 



1332 



0.0033 



0.29 



0.014 



1.75 ' 



0.51 



2.16 



33 



