LEGEND AND EXAMPLES 



DURATION (HOURS) 

 PERSISTENCE OF FAVORABLE SEAS (<3, 6, 9, 12 FT.| 



(HOURS) 

 PERSISTENCE OF UNFAVORABLE SEAS (53,6, 9, 12 FT.) 



LEGEND 

 WAVE HEIGHT 





/' 

 / 



lllllll 1111111111 1 inTTTT^^^mTTTTTmfmTTn 



10 20 30 40 50 60 70 80 90 100 (%) 

 SUMMARY SCALE 

 (ALL DIRECTIONS) 



FIGURE 3 WAVE PERSISTENCE CURVES AND WAVE HEIGHT BAR GRAPHS FOR EAST COAST (U.S.) LIGHTSHIPS 



