3dw1dw1dw2dw2
 Previous Top Next
3 - Indicator figure, direction of swell waves group

dw1dw1 - Direction from which first swell waves are coming in tens of degrees
e.g.
Code                            True direction
00                                no swell waves
18                                180°
36                                360°
99                                confuded, direction indeterminate

dw2dw2 - Direction from which second swell waves are coming in tens of degrees
e.g.
Code                            True direction
08                                080°
18                                180°
36                                360°


Note (Supplementary ships and Auxiliary ships only)