The forces that are responsible are Horizontal Surface Currents. They can be unpredictable.
When are the tidal currents strongest?
Tidal currents are not quite the same thing as tides. Tidal currents are horizontal movements of water caused by the tides.
Tidal Currents
Tidal Currents
Tidal Currents
Tidal Currents
Tidal Currents
Tidal Currents
Tidal Currents
Tidal Currents
Tidal Currents
Tidal Currents