Surf Glossary Rip Current

A rip current is a powerful, narrow channel of water that flows rapidly away from the shoreline and through the surf zone — the leading cause of surf rescues at ocean beaches.

Rip currents form in gaps in sandbars and near jetties, piers, and rock outcroppings. They can reach speeds of 8 feet per second — faster than any swimmer can sustain against them.

How to identify a rip current

Look for: a patch of choppy, discoloured water moving seaward; a gap in the wave break; foam or debris moving steadily away from shore.

How to escape

Do not swim directly against the current. Swim parallel to the beach until it weakens, then swim diagonally back to shore. If unable, float and signal for help.

Experienced surfers use rip currents as a fast lane to the lineup. Every OCSC lesson includes rip current identification in the safety briefing.