Table 8. Example of the short-term sea states. No.Wind SeaMain SwellSecondary SwellNo. of Occur-ence HsTpHeadingHsTpHeadingHsTpHeading 1 0.5 1.5 0 0.5 10.5 180 0.5 10.5 225 1 2 0.5 1.5 0 1.5 10.5 180 0.5 13.5 180 2 3 0.5 1.5 45 0.5 7.5 180 0.5 10.5 225 1 4 0.5 1.5 45 0.5 ...