5Pw2Pw2Hw2Hw2

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5 - Indicator figure, second swell wave group

Pw2Pw2 - Period of second swell waves in seconds

Hw2Hw2 - Height of second swell waves in units of 1/2 metres

e.g.
0.5 m is coded 01
1.0 m is coded 02

Note (Supplementary ships and Auxiliary ships only)

• Supplementary and auxiliary ships do not report this group