| Answer | Crossword Clue |
|---|---|
| REEF | Sea hazard |
| BERG | Sea hazard |
| FLOE | Weddell Sea hazard |
| MIST | Hazard at sea |
| MINE | Wartime sea hazard |
| REEF | Coral Sea hazard |
| FLOE | Sea-lane hazard |
| FLOE | Sea lane hazard |
| BERG | North Sea hazard |
| BERG | Icy hazard at sea |
| FLOE | Sea lane hazard, up north |
| BENDS | Deep-sea diver's hazard, with "the" |
