Porth Colmon

Porth Colmon is a quiet, natural bay on the Llŷn Peninsula that can produce classic Welsh “mixed-bag” beach fishing in the right conditions. It’s not a high-pressure, easy-access venue, but it rewards anglers who can read a surf line and are happy fishing in a more exposed, scenic setting.

• Best thought of as a small, open beach mark that fishes like many Llŷn bays: you’re targeting feeding lanes, gullies and any deeper scours.
• Expect sport to vary sharply with swell, colour and tide size; it can be excellent when there’s some movement and a hint of colour in the water.
• Ideal for anglers who enjoy light-to-medium surf tactics and moving to find fish rather than “sit-and-wait” on a crowded promenade.

Set on the west side of the Llŷn Peninsula, Porth Colmon is a rural bay with a wild feel and limited infrastructure. Access is typically via small lanes and footpaths, with the final approach often on uneven ground.

• Parking is usually limited and can be informal; be considerate of gateways, farm access and local residents.
• The walk to the beach can be short but may involve slopes, soft sand and rough, rocky sections depending on your chosen spot.
• In poor weather the approach and exit can feel more serious than “town beach” venues—plan for a self-sufficient session.

You’re mainly fishing for the standard west-Wales surf species, with occasional better fish when conditions line up. Species presence is seasonal and heavily influenced by sea state and bait availability.

• Bass: the headline target for many, especially around broken ground, surf edges and any baitfish activity.
• Flounder & other flatfish: likely in calmer spells and around cleaner sand; often closer in than people think.
• Dogfish: common when the sea is settled and clear, especially at night.
• Codling/whiting (winter potential): not guaranteed, but possible on deeper tides and in a proper sea with colour.
• Wrasse/pollack: possible if you fish closer to rocky edges or kelpier ground (where safe and accessible).

Porth Colmon generally suits straightforward surf tactics, but you’ll catch more by fishing “the water” rather than the horizon. Start by locating any gully, rip, or darker seam and put your bait where the food is being funnelled.

• Surf casting with simple rigs: a clipped down or up-and-over pulley-style setup is a good all-rounder for distance and presentation.
• Two-hook flapper/low traces: effective when fish are close in, especially for flatfish in calmer water.
• Bass tactics: fish a single, well-presented bait into the white water and along the edges of any wash; a rolling lead or light grip can help keep a natural presentation.
• Bait choices: lug and rag are reliable staples; add crab (where appropriate) for bass/wrasse potential, and consider a tipping bait (e.g., small strip) to add scent and movement.
• Lure fishing: can work for bass when there’s a manageable surf and clear “lanes” to work—focus on the foam line and any current seams rather than blind casting.

This is a mark where conditions matter at least as much as tide. You’re typically looking for a balance: enough movement and colour to bring fish in, without making the beach unfishable or unsafe.

• Best sea state: a small-to-moderate swell with a bit of colour often out-fishes flat-calm, crystal-clear water.
• Tide: mid-tide periods commonly produce as fish push in and out with the flooding/ebbing water; very small neaps can be harder unless there’s swell.
• Wind: onshore or cross-on winds can help build surf and colour; strong onshore blows can make it rough and dangerous.
• Clarity: if it’s gin-clear, scale down hooks/trace strength and fish dusk/night; if it’s heavily coloured, increase scent (bigger, oilier baits) and fish the closer lanes.

Porth Colmon can be an exposed, changeable venue with uneven ground and the usual west-coast hazards. Treat it as a “proper” coastal mark rather than a managed beach.

• Slip/trip hazards: rocks, weed and boulders can be extremely slippery—wear studded boots/cleats if you’ll be near rock.
• Surf and undertow: avoid wading; even modest surf can knock you over and shift sand underfoot.
• Tide cut-off risk: depending on where you fish (especially near rocky ends), you can get hemmed in on the flood—identify exit routes before committing.
• Night fishing: take a headtorch plus a backup, and keep your route in/out simple and well-marked.
• Mobile signal: can be patchy in rural bays—tell someone your plan and expected return time.

Facilities are limited, which is part of the appeal but requires planning. Arrive with what you need for the entire session.

• No guarantee of toilets, shops or shelter nearby—bring food, water and spare layers.
• Tackle/bait: assume you’ll need to source bait before you arrive.
• Rubbish: take everything home, including line offcuts—this area is sensitive and heavily valued for its natural beauty.

A small bay like this is often about micro-features rather than big casts. Spend five minutes watching the water and you’ll usually see where the fish will feed.

• Work the closer water first: many bites come from the first trough, surf edge or gully—don’t automatically cast to the horizon.
• Follow the birds and foam: gulls working a seam, a steady foam line, or a darker channel can all signal a feeding lane.
• Move if it’s quiet: a short shift along the beach to find a deeper run or cleaner sand can transform a session.
• Fish the edges of rough ground: where sand meets rock/weed is often prime for bass, but keep tackle robust and be ready for snags.
• Respect the place: keep noise down, shut gates, and avoid blocking access—good local relationships keep access viable.

I’m not aware of a specific blanket ban on fishing at Porth Colmon, but rules can change and some nearby land/access may have local restrictions. Always confirm on the day.

• Check for signage at access points and on the beach (seasonal dog bans, access restrictions, conservation notices, or private land instructions).
• Marine protections: parts of the Llŷn coastline have conservation designations; these don’t always ban rod fishing, but may affect bait collection or certain activities—verify via official sources.
• Bait collecting: only collect bait where it’s permitted and safe; avoid damaging sensitive habitats.
• Fishing rules: comply with current UK/Welsh sea angling regulations (e.g., minimum sizes and catch limits where applicable) and consult official guidance if unsure.