The Sea Currents That Twist Into Giant Spirals

Ajouté : 2026-05-27

[00:00:00]Off Norway, tidal water can surge so violently through narrow channels that the surface twists into whirlpools powerful enough to terrify sailors for centuries. In places like Saltstraumen, huge volumes of water race between connected basins, and the combination of depth, seabed shape, and current speed creates giant spirals and standing turbulence. The effect inspired legends, but the mechanism is brutally physical.

[00:00:22]It is what happens when geography forces the ocean through a nozzle twice a day.