| masculin | feminin | neuter | plural | |
|---|---|---|---|---|
| Nominative | надводный | надводная | надводное | надводные |
| Genitive | надводного | надводной | надводного | надводных |
| Dative | надводному | надводной | надводному | надводным |
| Accusative inanimate | надводный | надводную | надводное | надводные |
| Accusative animate | надводного | надводную | надводное | надводных |
| Instrumental | надводным | надводной / надводною | надводным | надводными |
| Prepositional | надводном | надводной | надводном | надводных |
| Short form | надводен | надводна | надводно | надводны |