| Answer | Crossword Clue |
|---|---|
| NEAPTIDE | Sea current |
| crosscurrent | A current in a river or sea that flows across another |
| estuary | the part of a river at which the current meets the sea tides |
| whirlpool | a circular current in a river or sea, produced by opposing tides, winds or currents |
| whirlpools | WHIRLPOOL, a circular current in a river or sea, produced by opposing tides, winds or currents |
| jetty | a structure extended into a sea, lake, or river to influence the current or tide or to protect a harbor |
