Skin Cancer in Surfers: UV, Salt Water, and the Long Watch

Three factors compound to make surfing exposure exceptional.

Direct overhead UV during long sessions. Most surfing happens in midday hours when waves are working, and a typical session is 1-3 hours of continuous exposure. A serious surfer accumulates 200-500+ hours of session time annually.

Water reflection. The ocean surface reflects 15-30% of incident UV back upward, depending on angle, sea state, and wave conditions. The reflected UV reaches areas of the body that direct sun does not — under the chin, the underside of the arms, the inside of the legs.

Latitude and longitude of major surfing regions. Australia, Hawaii, southern California, southern Brazil, southern Europe, South Africa, Indonesia — most premier surf destinations are in latitudes with naturally high UV index. Many also have residual ozone-thinning effects from the Antarctic ozone hole (Australia, southern Brazil, southern Africa).

The combination produces UV doses that are difficult to compare with land-based activities. A serious surfer in Australia, surfing 200+ hours per year for 30 years, has an extreme cumulative UV dose that few non-occupational populations match.

Surfers develop the full spectrum of UV-driven skin cancers. The pattern reflects the body areas exposed during sessions and the physical posture of paddling and wave riding.

Lips. Lip cancer (SCC of the lower lip) is meaningfully more common in long-time surfers than in the general population. The lower lip points up at the sun while paddling and during the waiting periods between waves. Years of unprotected lip exposure produce actinic cheilitis (chronic lip sun damage) and eventually SCC. Visible signs include scaling, loss of the sharp lip border, and persistent crusting.

Face and ears. BCC and SCC on the face — particularly nose, cheeks, ears — are extremely common in older surfers. The ears get hit twice: directly when they are exposed and via water reflection when the surfer is in the water.

Upper back, shoulders, and arms. Melanoma — particularly superficial spreading melanoma — is more common on the upper back of male surfers than in the general male population. This is the classic 'paddling exposure' area.

Legs. Female surfers in particular have higher melanoma rates on the legs than in the general female population, paralleling the general pattern that female melanomas favour the legs but with the surfing exposure adding magnitude.

Scalp. Long-time surfers, especially men with thinning hair, develop AKs and BCCs on the scalp from direct exposure during sessions and on the beach.

For surfers in their 50s-60s after 30+ years of surfing, the typical clinical picture includes multiple actinic keratoses on the face and scalp, prior treatment of one or more BCCs, and a chronic surveillance relationship with a dermatologist.

The hard truth: most sunscreens lose meaningful protection within an hour of being in the water. 'Water-resistant' SPF claims are based on standardised tests (40 or 80 minutes of immersion) that are easier conditions than actual surfing. Real surfing involves repeated submersion, friction from rashguards or wetsuits, and direct washing by waves.

What actually works in practice for sun protection in the surf:

Physical (mineral) sunscreens with high zinc oxide concentrations. Heavier than chemical sunscreens, leave a visible white cast, but adhere to skin better and survive the water longer. A thick application of zinc on the nose, lips, ears, and shoulders is the surfer-tested approach.

Reef-safe formulations. Many tropical destinations now require reef-safe sunscreens by law (Hawaii, Mexico, parts of the Caribbean), and most reef-safe formulations are zinc-based — which happens to also be the better-performing chemistry for water resistance. The two motivations align.

Lip balm with SPF, applied generously and frequently. Lip cancer is one of the more common surfer cancers and one of the most preventable. Reapply every time you are between waves on the beach.

Reapplication on the beach between sessions, not just at the start of the day. Two 90-minute sessions with reapplication in between are much better protected than a 3-hour session with a single application.

Do not rely on sunscreen alone for the highest-UV areas. Combine with physical protection (rashguards, hats on the beach, lip balm) for the body parts that take the highest doses.

UPF-rated rashguards (long sleeve, full coverage) are the single most effective intervention for surf UV exposure. They block 90-99% of UV on the covered areas and do not need reapplication.

Long-sleeved UPF rashguards are now widely available, including in heavyweight versions designed for tropical surfing. Wearing one halves or eliminates the back, shoulder, and arm sunscreen workload.

Wetsuits provide nearly complete UV protection on the skin they cover. For surfers in cold-water regions (Pacific Northwest, Northern California, UK, Ireland, parts of Australia), wetsuit coverage means much of the body is essentially fully protected from UV.

The areas that remain are the face, hands, feet (in non-bootied conditions), and any areas where the wetsuit does not extend.

For those areas, the layered approach works:

Wide-brimmed UPF surf hat for the beach, removed in the water (most surf hats do not stay on through paddles).

Sunscreen on face, ears, hands.

Lip balm with SPF reapplied frequently.

UV-blocking sunglasses on the beach (most surfers do not surf in sunglasses, but wearing them during the long stretches of sitting and watching the surf reduces ocular UV substantially).

After 20-40 years of surfing, the cumulative skin damage on the face is often dramatic. The full clinical picture includes:

Multiple actinic keratoses on the forehead, ears, nose, and lips.

Solar lentigines and dyspigmentation on the face and hands.

Coarse texture and wrinkling.

Telangiectasias on the cheeks and nose.

Possible history of treated BCCs or SCCs.

Lentigo maligna in chronically exposed areas, particularly the cheeks and forehead.

This is sun-damaged skin in its full expression. Management is ongoing rather than curative — active sun protection going forward, regular surveillance, and treatment of premalignant and malignant lesions as they appear.

Lip-specific care for older surfers includes routine evaluation of the lower lip, treatment of actinic cheilitis (with topical fluorouracil, imiquimod, or ablative laser), and in advanced cases vermilionectomy (surgical removal of the affected lip surface).

Monthly self-exam with priority attention to: face (nose, cheeks, ears, lower lip), scalp (especially in thinning-hair areas), upper back, shoulders, and legs.

For surfers, the upper back is a particularly important area to actually check. Many men cannot see their own upper back well; partner or mirror checking is essential. The upper back is a common melanoma site in male surfers and the area most likely to be missed.

Annual dermatology exam, every 6 months if you have:

Prior skin cancer of any type.

Multiple actinic keratoses.

Fair skin (Fitzpatrick I-II).

Age 50+ with significant surfing history.

Family history of melanoma.

Low threshold for evaluation of:

A spot on the lip that does not heal in 4 weeks (possible early SCC).

A persistent rough or scaly patch on the face or scalp (possible AK or SCC).

A new mole on the upper back or any selective change in an existing mole.

A pigmented streak under a fingernail or toenail (rare but worth attention given the cumulative UV exposure).

If you have surfed seriously for decades, your skin has accumulated significant UV damage and your future skin cancer risk is meaningfully elevated. Neither of these is reason to stop surfing — both are reason to take prevention and screening seriously going forward.

The most useful posture combines acceptance of past exposure with active management of future exposure. UPF rashguard for every session from now on. Heavy zinc on face and lips. Lip balm reapplied after every session and at every break. Annual or 6-monthly dermatology surveillance. Treatment of AKs as they appear so they do not become SCCs.

This is the same approach that long-time surfers in Australia have taken for decades — Australia's surfing population developed dermatology surveillance programs and high-quality preventive culture earlier than most regions, partly because their cancer rates forced the issue. The model works. Surfers who follow it have skin cancer outcomes comparable to the general population despite their elevated exposure, because the cancers are caught at curable stages.