| DOLDRUMS | Parts of the oceans where calm and baffling winds prevail (8) |
| THEDOLDRUMS | Equatorial regions where calms and baffling winds prevail (3,8) |
| SEA | Part of the oceans |
| CHEMICALWARFARE | Form of struggle in Africa, where calm is shattered (8,7) |
| INLET | Coastal arm of the ocean where tides become gentler |
| SHORE | Not deep at all: It's the shallow section of the ocean where the water laps up on the land |
| ATLANTIS | "Way down below the ocean, where I want to be" Donovan song |
| ATLANTIC | One of the oceans with warmer temperatures this year (8) |
| SHORTSEA | Ocean where waves are choppy and irregular (5,3) |
| DUCKPOND | Avoid ocean where Drake could be seen |
| SEALEVEL | Average height of the ocean's surface (3,5) |
| DEEPSEA | Parts of the ocean beyond the edge of the continental shelf |
| OTEC | Ocean thermal energy conversion, abbreviated. This form of energy conversion uses the temperature differences between the warm surface waters of the oceans and the deeper cold waters to generate power |
| HADAL | Of the parts of the ocean below abyssal depths |
| BALI | Mountainous Indonesian island east of Java and west of Lombok in the Coral Triangle, or "Amazon of the Oceans" (4) |
| TIDE | Rise and fall of the surface of the oceans, seas |
| BERMUDATRIANGLE | Area of the western Atlantic Ocean where, urban legend has it, numerous ships and aircraft have disappeared (7,8) |
| DARK | Like the deepest parts of the ocean |
| TIDAL | Relating to the rise and fall of the oceans (5) |
| BERMUDA | - - - Triangle, mysterious area in the Atlantic Ocean where ships and aircraft have gone missing (7) |
