| Answer | Crossword Clue |
|---|---|
| ROAR | Sea sound |
| FOGHORN | Sound at sea. |
| PLASH | Sound of the sea. |
| ROTE | Sound of the sea. |
| PUGET | .. Sound, part of the Salish Sea |
| FOGGUN | Warning sound emitter in poor weather at sea |
| subsonic | noting or pertaining to a speed less than that of sound in air at the same height above sea level |
