| Answer | Crossword Clue |
|---|---|
| SONAR | Creator of ocean waves |
| SURF | Ocean waves |
| SEABORNE | Carried on ocean waves |
| TIDAL | Like some ocean waves |
| SONIC | Like some waves in the ocean |
| SONARS | They make waves in the ocean |
| ductal | layer (as in the atmosphere or the ocean) which occurs under usually abnormal conditions and in which radio or sound waves are confined to a restricted path |
