| CNUT | Ogreato North Sea Empire legend |
| RIGA | Canal connecting North Sea with Baltic Sea (4) |
| KIEL | Canal connecting North Sea with Baltic Sea (4) |
| HUMBER | North-east English estuary flowing into the North Sea (6) |
| ELBE | River flowing into the North Sea north-west of Hamburg (4) |
| BALTIC | The ... Sea is connected to the North Sea by the Skaggerak, Kattegat and Oresund (6) |
| NETHERLANDS | The ___, kingdom in North West Europe, on the North Sea (11) |
| ZUIDERZEE | Former inlet of the North Sea in the north-west Netherlands (9) |
| MORAYFIRTH | That part of the North Sea north and east of Inverness, Scotland (5,5) |
| WESER | German river flowing north to the North Sea at Bremerhaven (5) |
| OSTEND | A port and resort in North West Belgium, on the North Sea (6) |
| ESK | North Yorkshire river that empties into the North Sea at Whitby, as in the sycamore tree variety Acer pseudoplatanus f. variegatum '___ Sunset' (3) |
| TYNE | A river in North England, flowing East to the North Sea (4) |
| EMS | River of north Germany which flows to the North Sea at Emden (3) |
| SKAGERRAK | Strait between Norway and Denmark connecting the North Sea with the Kattegat sea area (9) |
| NAZE | Small town in Essex on the North Sea coast, north of Clacton and south of Harwich (6-2-3-4) |
| WALTONONTHE | Small town in Essex on the North Sea coast, north of Clacton and south of Harwich (6-2-3-4) |
| BELGIUM | Kingdom in North West Europe on the North Sea (7) |
| SCARBOROUGH | Fishing port and resort in North Yorkshire, England, on the North Sea (11) |
| TEES | River in the north of England, rising in the Pennines, and flowing 85 miles into the North Sea (4) |
