Whirlpools

thumb|Henry Fuseli's painting of Odysseus facing the choice between Scylla and Charybdis, 1794–1796 Charybdis (; , ; , ) is a sea monster in Greek mythology. Charybdis, along with the sea monster Scylla, appears as a challenge to epic characters such as Odysseus, Jason, and Aeneas. The descriptions of Greek mythical chroniclers and Greek historians locates her in the Strait of Messina.

thumb|upright=1.36|The Gulf of Corryvreckan whirlpool in Scotland is the third-largest whirlpool in the world. A whirlpool is a body of rotating water produced by opposing currents or a current running into an obstacle. Miniature whirlpools form when a bath or a sink is draining. More powerful ones formed in seas or oceans may be called maelstroms ( ). Vortex is the proper term for a whirlpool that has a downdraft.

or is a small strait with one of the strongest tidal currents in the world. It is located in Bodø Municipality in Nordland county, Norway. It is located about southeast of the town of Bodø. The narrow channel connects the outer Saltfjorden to the large Skjerstad Fjord between the islands of Straumøya and Knaplundsøya. The Saltstraumen Bridge on Norwegian County Road 17 crosses Saltstraumen.

tidal whirlpools in the Naruto Strait in Hyōgo, Japan

Moskstraumen is a system of tidal eddies and whirlpools, one of the strongest in the world, that forms at the Lofoten archipelago in Nordland county, Norway between the Norwegian Sea and the Vestfjorden. It is located between the Lofoten Point () on the island of Moskenesøya (in Moskenes Municipality) and the island of Mosken (in Værøy Municipality). Moskstraumen is unusual in that it occurs in the open sea whereas most other whirlpools are observed in confined straits or rivers. It originates from a combination of several factors, the dominant being the strong semi-diurnal tides and peculiar

strait in Argyll and Bute, Scotland, UK

fast-moving tidal flow passing through a constriction, forming waves, eddies and strong currents

natural whirlpool in the Niagara Gorge, downstream from Niagara Falls

narrows in British Columbia, Canada