What Is Surfer’s Ear and Why Ear Plugs Help?

Cold water drives the condition, and the growths don’t appear after one session. They form over years as the bone lining the canal thickens in response to cold. Cleveland Clinic describes exactly this pattern: bony ear-canal growths most common in people who spend long hours in cold water, surfers chief among them. Cut how much cold water reaches the canal, and you cut the exposure that drives the growth — which is why well-fitted surf ear plugs matter more than most people assume.

What Surfer’s Ear Actually Is

Surfer’s ear is a bony growth in the ear canal, not wax or skin irritation, and it develops gradually with cumulative cold-water exposure.

Doctors call it exostosis. The bone forming the canal wall lays down new, denser bone, narrowing the passage. Narrower canals mean water drains more slowly, debris and moisture sit longer, infections get easier to catch, and hearing can suffer once the canal closes in enough.

• Growths build over years, usually in regular cold-water swimmers and surfers.
• Both ears are often affected, since both take the same cold hit.
• Surfer’s ear and swimmer’s ear are different — one is bone, the other infection.
• Some surfers eventually need surgery to reopen the canal.

Warm-water swimmers rarely develop it. Cold is the trigger, and the Pacific Northwest, Northern California, and the UK are classic hot spots.

Why Ear Plugs Change The Math

Ear plugs help by blocking the cold water itself. If cold water never reaches the canal, the exposure fueling bone growth drops sharply.

Not every plug works the same way. A plug that seals the canal completely also muffles sound, which is a real problem in the lineup — you can’t hear a set rolling in behind you, and you lose the pressure cues your ears give you. Surf earplugs solve this with a vented design instead of a solid seal.

SurfEars 4.0 uses exactly that idea: a patented vented membrane that lets sound and pressure through while keeping water out.

What all three share is the goal: keep water out, keep hearing in.

If you’re weighing which plug to buy, our breakdown of the best ear plugs for surfing walks through the fit, venting, and materials that separate the good ones from the rest.

Where Ear Plugs Fall Short

Ear plugs reduce cold-water exposure, but they don’t erase the risk — and worn wrong, they can make things worse by trapping water instead of blocking it.

Fit and timing are the trick. A properly seated plug blocks the canal. A loose plug, or one inserted after the ear is already full of water, seals moisture in against the skin — the exact condition that feeds infections.

What helps, per Cleveland Clinic’s guidance on preventing swimmer’s ear:

• Wear earplugs in the water — they’re specifically recommended for prevention.
• Dry the ears thoroughly afterward; plugs don’t replace that step.
• Skip cotton swabs entirely. They push debris and moisture deeper and can scratch the canal.
• Don’t wear plugs or earbuds while an active swimmer’s ear infection is being treated.
• Take persistent drainage, pain, or fever seriously — that’s a medical follow-up, not a wait-and-see.

Acetic acid and alcohol drops, sometimes used as a preventive rinse, are only appropriate when the eardrum is intact. That’s a call for a doctor, not a guess.

The honest ceiling: no plug guarantees you’ll never develop surfer’s ear. Plugs lower exposure, and damage scales with exposure over decades. Consistent use moves the needle, not a pair sitting in your glovebox.

FAQs

Do ear plugs really prevent surfer’s ear?

They help prevent it, but not perfectly. The growths form from repeated cold-water exposure, so blocking water entry lowers the exposure that drives bone thickening. Cleveland Clinic supports earplugs as a prevention step alongside drying the ears. Consistent use over years matters — occasional wear won’t do much.

Can I wear ear plugs if I already have surfer’s ear?

Yes, and it’s often recommended. If growths have formed, plugs won’t reverse them, but they can slow further progression and cut the infection risk that comes with a narrowed canal. See a doctor first if you have active symptoms like drainage, pain, or hearing changes, since treatment may need to come before regular plug wear.

How often should I wear them?

Every session in cold water. The damage is cumulative, so skipped sessions add up over years. Fit matters as much as frequency — a loose plug lets water past and can trap moisture against the skin, which is worse than going without. Get a properly sized pair and wear it every time.