SHIP SPEED (KNOTS) 
Figure 4, 
Effect of Sea State on Ship Speed. Difference in Two Curves Due to 
Voluntary Reduction in Speed. 
(Victory Ship, North Atlantic - 
Adopted from Fig. 7.2, Ref. 13.) 
SEA STATE | 
CODE 
WANES HEIGHT 
EET 
55 
O-I73 
i/3-1 2/3 
12/3-4 
PN] H]O/ A] ]My|/>19/S 
4 
— 
+ 
See SPEED EFFECT 
OF RESISTANCE ONLY 
aaa cs: SPEED FROM 
LOGS (DAILY RUNS) 
SEA STA 2A STE 
ne ce See Ee 
a 
20 25 30 
WAVE HEIGHT (FEET) 
232 
35 
