In Draft Survey, very important while reading of the draft marks, errors can occur in draft marks reading and caused discrepancy quantity displacement between shore figures/ Bill of Loading figures with ship quantity figures, carefuller with quantity discrepancy, if you don't luck, the applicant can bring the cases to court and this waste your time.
To avoid it, prior it happens, you can do while reading of draft marks, carefully handled, and important put remarks of sea condition during Draft Survey reading on your report, it will help you later.
Based on Scale by The vice-admiral Sir Percy Douglas, created a scale to express the sea conditions in 1917, when he was responsible for the Meteorological Navy Service, the Sea Condition divide in 9 ( nine) priority scale as follows
|
| DEGREE | Height of waves | DEFINITION |
| 0 | no waves | calm sea |
| 1 | >10 cm. | rippled sea |
| 2 | 10 - 50 cm. | smooth sea |
| 3 | 0,5 - 1,25 m. | slight sea |
| 4 | 1,25 - 2,5 m. | moderate sea |
| 5 | 2,5 - 4 m. | rough sea |
| 6 | 4 - 6 m. | very rough sea |
| 7 | 6 - 9 m. | high sea |
| 8 | 9 - 14 m. | very high sea |
| 9 | >14 m | phenomenal sea |
