90 
SIGNIFICANT WAVE HEIGHT 
ELBE I 
MAR APR 
1992 1992 
ENERGY-MAXIMUM FREQUENCY 
ELBE I 
.7 
sec" 1 ■■ 
.5- 
.1 : 
O.O-I , 1 1 1 1 r 
1 2 3 4 5 6 7 
MAR 
1992 
t~ -T 1 1 i 1 ■ i i r i 1 i r —i 1 i i i i 1 1 r i 
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 
APR 
1992