| Code figure | |
|---|---|
| 0 | No ice of land origin |
| 1 | 1-5 icebergs, no growlers or bergy bits |
| 2 | 6-10 icebergs, no growlers or bergy bits |
| 3 | 11-20 icebergs, no growlers or bergy bits |
| 4 | Up to and including 10 growlers and bergy bits - no icebergs |
| 5 | More than 10 growlers and bergy bits - no icebergs |
| 6 | 1-5 icebergs, with growlers and bergy bits |
| 7 | 6-10 icebergs, with growlers and bergy bits |
| 8 | 11-20 icebergs, with growlers and bergy bits |
| 9 | More than 20 icebergs, with growlers and bergy bits - a major hazard to navigation |
| / | Unable to report, because of darkness, lack of visibility or because only sea ice is visible |