By Kai Lani | WAHA Surf Shop
Rip currents account for over 80% of lifeguard rescues at surf beaches. They catch swimmers, bodyboarders, and surfers off guard every single day around the world. The good news is that understanding rip currents makes them far less dangerous. If you know how to spot one and what to do when you are in one, you can handle the situation calmly and get yourself back to shore.
What Is a Rip Current
A rip current is a narrow channel of water that flows away from the beach, back out toward the open ocean. When waves push water onto shore, that water has to go back out somewhere. It funnels into these channels and creates a fast-moving current heading seaward.
A few things rip currents are not. They are not undertows. They do not pull you under the water. They pull you out, away from the beach, but you stay on the surface the entire time. They also do not drag you out to sea forever. Most rip currents dissipate just past the breaking waves, usually 50 to 100 yards offshore. The danger is not being pulled to the middle of the ocean. The danger is exhaustion from fighting the current.
Rip currents can be narrow (10 to 20 feet wide) or broad (up to 100 feet). They can move at speeds up to 8 feet per second, which is faster than an Olympic swimmer. You are not going to outswim one head-on, and you should not try.
How to Spot a Rip Current
Before you paddle out, spend a few minutes watching the ocean from the beach. Rip currents have visible signs once you know what to look for.
- Darker water: A rip current channel is often deeper than the surrounding water, so it appears darker. If you see a dark strip running perpendicular to the beach between lighter, shallower areas, that is likely a rip.
- Choppy or disturbed surface: The water in a rip channel looks choppier and more agitated compared to the calmer water on either side.
- Gap in the breaking waves: Waves break over sandbars and shallow areas. Where a rip current flows, the water is deeper, so the waves do not break as consistently. A noticeable gap in the surf line is a strong indicator.
- Foam, debris, or seaweed moving seaward: If you see a line of foam or floating material streaming out from the beach, it is riding a rip current outward.
- Discolored or sandy water: Sometimes rip currents churn up sand from the bottom, creating a brownish or murky streak heading away from shore.
For more on reading ocean conditions, our ocean safety guide covers other hazards like shore break and currents near jetties.
What to Do If You Get Caught
Knowing these steps before you need them is what separates a scary moment from a genuine emergency.
- Stay calm. This is the most important step. Panic leads to thrashing, which leads to exhaustion. Remind yourself that the rip is not pulling you under. You are floating. You are fine. Breathe.
- Do not swim directly toward shore. Your instinct will scream at you to swim straight back to the beach. Fighting the current head-on burns energy fast and you will lose. The current is stronger than you.
- Swim parallel to the beach. Rip currents are narrow. Swim to one side, perpendicular to the pull, until you feel the current release. This usually takes 30 to 50 strokes at most.
- Once free of the pull, angle back toward shore. You will be past the strongest outflow. Now you can ride the incoming waves and whitewater back to the beach at an angle. Do not rush. Conserve your energy.
- If you are too tired to swim, float. Roll onto your back, spread your arms and legs, and let yourself float. The rip will carry you past the breakers where it weakens. Wave your arms and call for help. Lifeguards are trained for exactly this situation.
Surfers have an advantage here because your board provides flotation. If you get caught in a rip while surfing, hold onto your board and let it keep you buoyant while you paddle sideways out of the current. Our beginner surf tips covers more on staying safe during your first sessions.
Prevention Tips for Surfers
The best way to handle a rip current is to avoid getting caught in one by accident. A few habits that help.
- Watch the water before you get in. Spend 5 to 10 minutes on the beach observing. Identify where waves are breaking consistently and where there are gaps. Plan your entry point and your paddle-out path.
- Swim near a lifeguard. If there is a staffed tower or patrol, stay in their zone. They know the local currents and will flag dangerous conditions.
- Check local surf reports. Websites and apps often note rip current risk. After storms or during large swells, rips tend to be stronger and more numerous.
- Understand your local break. Fixed rips form around permanent structures like jetties, piers, and rock formations. If you surf the same spot regularly, learn where the rips usually form. Understanding wave patterns helps you identify these channels.
- Never surf alone. Even experienced surfers can get into trouble. Having someone nearby, whether a surf buddy or other people in the water, means help is available if something goes wrong.
- Know your limits. If the surf looks bigger or the conditions look rougher than what you are comfortable with, sit that one out. There will always be another session.
The NOAA rip current safety page has excellent diagrams and additional resources, including a nationwide forecast for rip current risk at U.S. beaches.
Rip currents are a fact of ocean life. They are not something to fear, but they demand respect. Know the signs, practice the escape technique in your mind, and spend those few minutes reading the water before every session. That small habit could save your life or someone else's.