What is the max speed in knots of water to try to swim in?

The maximum speed of water that is generally safe to swim in is around 1-2 knots. Beyond this range, currents can become too strong, posing significant risks of being swept away or experiencing extreme difficulty in navigating. Swimmers should always assess local conditions and heed warnings, especially in rivers, oceans, or during flood events. For safety, it’s best to avoid swimming in any current that feels overpowering.