| Number | Parameter | Units |
| 0 | Wave spectra (1) | - |
| 1 | Wave spectra (2) | - |
| 2 | Wave spectra (3) | - |
| 3 | Significant height of combined wind waves and swell | m |
| 4 | Direction of wind waves | degrees true |
| 5 | Significant height of wind waves | m |
| 6 | Mean period of wind waves | s |
| 7 | Direction of swell waves | degrees true |
| 8 | Significant height of swell waves | m |
| 9 | Mean period of swell waves | s |
| 10 | Primary wave direction | degrees true |
| 11 | Primary wave mean period | s |
| 12 | Secondary wave direction | degrees true |
| 13 | Secondary wave mean period | s |
| 14-191 | Reserved | |
| 192-254 | Reserved for local use | |
| 255 | Missing | |