RETURN PERIOD IN YEARS 



5 10 20 40 60 100 



14.0 



12.0 - 



10.0 - 



8.0 - 



6.0 



l.O 



50.0 80.0 90.0 95.0 98.0 99.0 

 CUMULATIVE PROBABILITY SCALE 



99.9 



Figure 4. Extremal plot for 62 largest maximum 

 significant wave heights, Weibull, C = 2.0 



Table 6 

 Estimated Parameters for the Selected Extremal Models 





Model 



A 



B 



y 



o 



Extremal Type I 

 Weibull, C = 2.0 



-7.567 

 -2.130 



1.036 

 0.384 



7.304 

 5.547 



0.965 

 2.604 



Table 7 



Predicted Significant Wave Heights and Associated 



Return Periods for the Selected Models 



Return Period 

 years 



5 



10 

 20 

 40 



Extremal Type I 



(Continued) 



Significant 

 Wave Height, m 



9.92 

 10.60 

 11.28 

 11.95 



15 



