| Group | Sea Name | Abbreviation |
| Atlantic group | ||
| East Atlantic Ocean | EAO | |
| West Atlantic Ocean | WAO | |
| South Atlantic Ocean | SAO | |
| Pacific group | ||
| NE Pacific Ocean | NPO | |
| SE Pacific Ocean | SPO | |
| Central Pacific Ocean | CPO | |
| SW Pacific Ocean | WPO | |
| Europe | ||
| Mediterranean Sea | Med | |
| North Sea | Nor | |
| Baltic Sea | Bal | |
| Black Sea | Bla | |
| Asia | ||
| Sea of Japan | SoJ | |
| Indian Ocean | Ind | |
| Australasia | ||
| Southern Ocean | STO |