What are the four types of rip currents?

The four types of rip currents include:

1. Permanent Rip Currents: Found in the same location consistently, often associated with specific beach structures or bathymetry.
2. Fixed Rip Currents: These occur in stable locations, often at the mouths of rivers or inlets, and are less variable than other types.
3. Transient Rip Currents: These can develop and dissipate quickly due to changing wave conditions or currents, making them unpredictable.
4. Flash Rip Currents: A more dangerous type, these can form rapidly in response to sudden changes in wave patterns, posing significant risks to swimmers.