| WATERSIDE | By a river or harbour (9) |
| SANDBAR | Deposit of coarse sediment at the mouth of a river or harbour (7) |
| WATERFRONT | Part of a town or city by a river or sea |
| SILT | Mud or clay deposited by a river or lake (4) |
| ENTERTAIN | ... or harbour, to perform (9) |
| TRIBUTARY | A river or stream flowing into a larger river or lake (9) |
| WHIRLPOOL | Circular current in a river or sea (9) |
| PORT | From the Latin for "haven" or "harbour", a city or town's anchorage; or, a word among mariners for a ship's left side, opposite starboard (4) |
| BREAKWATER | A wall extending from the shore that protects a beach or harbour from the force of the waves (10) |
| DREDGE | Remove silt from a water channel or harbour (6) |
| BREAKWATERS | Massive walls built out into the sea to protect a shore or harbour from the force of waves (11) |
| SET | ___ in - enter port or harbour (3) |
| MARINA | Small port or harbour (6) |
| EASTERN | Great -; Isambard Kingdom Brunel's "great babe" steamship that was too big for any dry dock or harbour at the time of her launch (7) |
| HEAD | Top of a page; upper end of a bed; source of a river; or, the leaves of a cabbage or lettuce collectively (4) |
| BED | A geological layer or stratum of sedimentary rock; bottom of a river or sea; or, a plot for roses (3) |
| FORD | Shallow place where a river or stream may be crossed by wading or in a vehicle |
| BEND | Dogleg or switchback in a road; ox-bow in a river; or, a type of knot (4) |
| LOGJAM | A mass of tree trunks blocking a river; or, any figurative congestion causing a deadlock or standstill (3,3) |
| WEIR | Dam-like structure across a river; or, a type of fish trap also called a kiddle (4) |
