DESCRIPTIVE TERM REFERRING TO WAVES

A. For length of Swell Waves

Name	Length in feet	Length in metres
Short	0 - 300	0 - 100
Average	300 - 600	100 - 200
Long	Over 600	Over 200

B.For height of Swell Waves

Name	Length in feet	Length in metres
Low	0 - 7	0 - 2
Moderate	7 - 13	2 - 4
Heavy	Over 13	Over 4

C. For height of SEA Waves

Code Figure	Height in feet	Height in metres
0 . Calm - glassy	0	0
1 . Calm Rippled	0 – 1/3	0 – 0.1
2 . Smooth - Wavelets	1/3 - 1	0.1 – 0.5
3 . Slight	1 - 4	0.5 – 1.25
4 . Moderate	4 - 8	1.25 – 2.5
5 . Rough	8 - 13	2.5 - 4
6 . Very Rough	13 - 20	4 - 6
7 . High	20 -30	6 - 9
8 . Very High	30 - 45	9 - 14
9 . Phenomenal	Over 45	Over 14