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Cornwall

Mawnan

6.9 · Rocks · Cornwall

Rugged granite ledges around the Mawnan side of the Helford mouth (Rosemullion Head). Deep water close in over kelp and broken ground with tide run on the headland points; pockets of cleaner sand toward Maenporth. Very snaggy but productive: wrasse and pollack from the gullies, summer pelagics in clearer water, and conger/pouting after dark. Best on a flooding tide, especially the last two hours into dusk. Access via the South West Coast Path from Maenporth or Nansidwell/Mawnan Church (15–25 minutes) with short scrambles to stable platforms. Exposed to S–W swell and surge; wear a flotation aid, avoid big seas, and use rotten-bottoms for tackle loss mitigation.

Should you fish Mawnan?

62 Fair

Today · Best window

Best window: 18:00-21:00 around the rising tide

Most likely species: Ballan Wrasse and Garfish

Fair conditions. Best around 18:00-21:00 around the rising tide. Good chance of Ballan Wrasse and Garfish.

NW 3 mph Rain 6% High tide 10:57

Fishable, but pick your timing carefully.

Plan this mark

7-day fishing forecast for Mawnan — 7-day forecast

Scores and best windows are weighted for .

Met Office Met Office · Open-Meteo

Where the data comes from. Weather and sea-state readings come from the Met Office and Open-Meteo forecast models, refreshed several times a day. High and low water are taken from tide-station predictions for this stretch of coast.

How the score works. Each window is scored 0–100 from the signals that most reliably move fish inshore: tide movement (a running tide carries food, so the last of the flood and first of the ebb are usually the prime spells), wind speed and direction (onshore wind stirs food into the surf — up to the point it makes fishing hard), sea state (a little wave and swell movement helps, heavy swell hurts), and weather — rain, temperature and light. Behind the headline number we score bite opportunity and comfort separately, and run a separate safety check on wind and swell. The size of the tide counts too: spring tides move more water than neaps, so the tidal range for this stretch of coast is weighed alongside the tide's direction, your target species and this mark — and unusually big springs strengthen the safety check, because the water rises faster and covers more ground.

Your target species counts. Pick a species below and the score also weights what we know about it — its season, preferred sea temperature, tide stage and sea state, and whether it feeds by day or night.

The rating is guidance, not a guarantee — conditions change fast on the coast, so always judge the sea in front of you before you fish.

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· windows & tide

Spring vs neap tides. Spring tides have a larger difference between high and low water, so more water moves on each tide — usually stronger flow that stirs up food and gets fish feeding. Neap tides have a smaller range and generally gentler movement. The range here is compared with what is normal for this stretch of coast, and the cycle swings between springs and neaps roughly every week, following the moon.

Big spring tides: the water rises faster and covers more ground than usual — double-check access routes and cut-off points before you fish.

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Mawnan is a rugged, kelpy rock mark around the Mawnan side of the Helford mouth, with deep water close in, tide run on the headland points and cleaner sandy pockets toward Maenporth. It is productive but snaggy: best approached as a mobile float, lure and selective bottom-fishing venue, with the flood into dusk usually the strongest all-round window.

  • Know when to fish the Rosemullion ledges rather than the coves
  • Pick the flood window that suits wrasse, pollack and bass
  • Avoid the tide stages that make Mawnan snaggy and awkward
  • Use the right rotten-bottom and float approach for the kelp
  • Switch targets when swell, colour or darkness changes the mark

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Mawnan Smith 1.3 mi Helford Passage 1.7 mi Porth Navas 2.3 mi Budock Water 3.3 mi St Keverne 3.5 mi

Explore nearby towns: Mawnan Smith · Helford Passage · Porth Navas · Budock Water · St Keverne

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Forecast tuning currently supports Bass and Mackerel — more species are on the way.

Overall rating

6.9 /10

Blend of catch potential, access, safety, and overall experience.

Category scores

Catch Potential 7/10
Species Variety 8/10
Scenery & Comfort 9/10
Safety 4/10
Accessibility 5/10

Ballan Wrasse 9/10
Tip: Rough kelp and rock. Float rag/crab or simple paternoster with a rotten-bottom. Best 2 hours either side of the flood, spring–autumn. Use strong gear and keep fish out of the kelp.
Pollack 8/10
Tip: Work soft plastics or metal jigs along kelp edges at dawn/dusk on a flooding tide. Slow sink-and-draw or float-fished sandeel. Long casts parallel to the rocks.
Bass 7/10
Tip: Target white water around the headland and estuary run on a rising tide, dawn/dusk or after a blow. Surface/shallow plugs or peeler crab/sandeel. Keep mobile and cover ground.
Mackerel 7/10
Tip: Summer shoals off the headlands. Small metals or light feathers at first/last light on the flood. Keep lines straight in tide and avoid birds/seals.
Scad (Horse Mackerel) 7/10
Tip: After dark late summer–autumn. Small sabikis or 2–3 inch soft lures worked midwater on a slow retrieve. Best on the flood and at high water; add a small glow bead.
Garfish 7/10
Tip: Late spring to autumn. Float a sliver of mackerel near the surface over deeper water on a flooding tide. Long trace, small hooks; set 1–3 m deep.
Pouting 6/10
Tip: Reliable after dark over rough ground. Two-hook paternoster with small fish or worm baits fished tight to the bottom. Best on the flood and into the first of the ebb.
Corkwing Wrasse 6/10
Tip: Abundant in kelp. Float or light paternoster with ragworm/shrimp tight to rock faces on the flood, May–Sep. Scale down hooks and strike gently.
Conger Eel 6/10
Tip: Night sessions into deep gullies. Big mackerel/squid baits on heavy traces. Best around high water and first of the ebb. Use strong tackle and a plan to land fish.
Bull Huss 5/10
Tip: Occasional at night from rough ground. Large fish baits (mackerel/squid) on 4/0–6/0 pennels. Top of tide and first of the ebb, summer–autumn.
Mullet (Thick-lipped) 5/10
Tip: Clear, calm days in nearby coves and the estuary mouth. Bread flake under a controller or small wagglers. Best on a flooding tide with light lines and stealth.

Local knowledge

Mawnan fishing guide

Practical access, seasons, methods, tides, safety and facilities for this mark.

Mawnan (Rosemullion Head and the surrounding coves) sits between Falmouth Bay and the mouth of the Helford River, offering varied rock and cove fishing within a short stretch of coast. Rugged ledges, kelp-filled gullies, and nearby sandy pockets make it a reliable all-round mark for wrasse, pollack, bass, and summer pelagics.

This mark covers the Mawnan peninsula coastline, notably Rosemullion Head with Bream Cove and Nansidwell/Meudon coves to either side. Access is via the South West Coast Path from several parking points; expect a scenic but uneven walk and some steep sections.

  • Drive from Falmouth towards Maenporth/Mawnan; common parking options include the pay-and-display at Maenporth Beach, the small parking by Mawnan Church, and National Trust car parks signed for Durgan/Bosveal and Nansidwell (seasonal/limited capacity).
  • From Maenporth or Mawnan Church, allow 15–30 minutes on the coast path to reach Rosemullion Head; paths are narrow, rooted, and can be muddy after rain.
  • The fishing is from rough, uneven rock platforms with kelp gullies; footwear with good grip is essential.
  • The headland offers options: the east side is often more comfortable in a westerly, while the west side can give lee in an easterly.
  • Some coves adjoin private estates/gardens; public access is generally via signed coast-path routes—respect any local signage and boundaries.

There’s genuine variety here, with wrasse and pollack the mainstays and a useful summer run of surface feeders. Winter can still produce fish off the deeper rock edges.

  • Common (in season):
    • Ballan and corkwing wrasse (spring to late autumn, peak in warmer months)
    • Pollack (year-round; best dawn/dusk and in low light)
    • Bass (late spring to autumn, after a blow or in lively water)
    • Mackerel and scad (roughly June–September, sometimes later in mild years)
    • Garfish (late spring to early autumn, clear water)
    • Pouting/poor cod and rockling (especially at night)
  • Occasional/bonus:
    • Black bream (late summer in calm, clear conditions over rough ground)
    • Conger eel (rock marks after dark)
    • Whiting (late autumn/winter in the bay, especially at night)
    • Small-eyed/spotted ray are possible on adjacent clean patches and beaches (rare from the rock ledges themselves)
    • Gurnard and the odd John Dory have turned up in settled, clear spells

Rock and cove fishing tactics dominate: float, lure, and careful bottom fishing all have their day. Mobility and presentation matter in the kelp and tide run.

  • Lure fishing:
    • Soft plastics on weedless Texas/cheb heads for pollack and wrasse; 10–20 g is typical, step heavier if the tide rips.
    • Metals (20–40 g) and slim minnows for mackerel, scad, and dawn/evening pollack; work the drop-offs and current seams.
    • Surface and sub-surface lures for bass along coves and in fizzing water around the headland (low light, on a push).
  • Float fishing:
    • Ragworm, prawn, or crab baits suspended just above the kelp for wrasse; mackerel strip for garfish in clear water.
    • Set depth to just off bottom; adjust frequently as ledges step away sharply.
  • Bottom fishing (use a weak-link/rotten-bottom):
    • Simple pulley or running ledger with a short, abrasion-resistant hooklength for wrasse/bass; whole squid or fish strip after dark will find conger/pouting.
    • Target any fingers of clean sand between kelp beds if you’re ray hunting from adjacent beaches.
  • Tackle notes:
    • 20–30 lb braid with a 30–40 lb leader for rock work; step up at night for conger.
    • Barbless or crushed barbs make unhooking safer on awkward ledges; a long-nose disgorger or forceps are invaluable.

The headland fishes best with movement, and the coves offer options when the open bay is lumpy. Light and water clarity strongly influence results.

  • Tide:
    • A flooding tide into high water is often most productive for wrasse and pollack; bass like a push with some fizz.
    • Neaps can be kinder when presenting baits tight to kelp; big springs create strong cross-tide around the tip.
  • Conditions:
    • Dusk, dawn, and overcast days fish best—especially for pollack and bass.
    • Clear, settled water suits wrasse and garfish; a bit of colour and onshore ripple perks up bass.
    • Large southerly swell wraps into the headland and can make the rocks dangerous; easterlies can create awkward chop on the east side.
  • Seasonality:
    • May–October is the prime mixed season; winter switches to nocturnal pollack/whiting potential with longer lulls between bites.
    • Expect a spring “may-rot” algae phase to slow lure fishing until it clears.

This is a serious rock mark with cliff paths. Plan conservatively and dress for grip and buoyancy.

  • Steep, uneven approaches; not suitable for wheelchairs or trolleys. Take your time on roots, steps, and wet rock.
  • Wear a personal flotation device and studded or felt-soled boots; kelp and weeded ledges are extremely slick.
  • Use a weak-link for leads; snags are frequent and sudden surges can topple you if you’re pulling hard.
  • Watch for swell sets and wash-over: never turn your back on the sea and avoid low platforms in any swell.
  • Some gullies flood or cut off near high water—identify safe exits in daylight.
  • Mobile reception varies; better on the headland than deep in coves. Let someone know your plan and avoid solo night sessions if unfamiliar.
  • Respect private property lines near estate gardens and any seasonal access notices.

Amenities are scattered; plan to be self-sufficient on the rocks and use village or beach facilities before/after.

  • Maenporth Beach usually has a café and seasonal toilets; hours vary by season.
  • Durgan has very limited parking and no public toilets at beach level; facilities may be available at nearby National Trust sites during opening hours.
  • Mawnan Smith village offers pubs/food and small shops; broader supplies and multiple tackle shops are in Falmouth.
  • Mobile signal is generally fair on exposed headlands and patchy in wooded coves.
  • No lighting on paths—bring a reliable headtorch and spares.

This stretch rewards stealth and accuracy. Move, test depths, and fish the light changes.

  • Hardback crab, prawn, and rag are standout wrasse baits; feed small prawn pieces to keep fish interested under the float.
  • Work soft plastics down ledge faces and let them swing with the tide—many pollack hit on the drop.
  • After a blow, try the cove mouths for bass with sub-surface lures or crab baits as the water cleans.
  • In summer, expect snorkellers and divers around Rosemullion’s reefs; give them a wide berth and switch ledges if activity is heavy.
  • Use a short hooklength and abrasion-resistant mono/fluoro; kelp stipes will shred light leaders quickly.
  • Night congering is productive but taxing—pre-tie traces, bring a headtorch with a red mode, and keep your footprint tidy to avoid tangles.
  • If mackerel are scarce at range, try tiny metals or sabikis under a float for scad at dusk.
  • Keep an eye out for seals; when they’re working the gullies the bites often dry up—move 50–100 m and reset.

Shore angling is generally permitted along this coastline, but several layers of local and national rules apply. Always check the latest official sources before you go.

  • Cornwall IFCA byelaws and minimum sizes apply to finfish and shellfish; do not retain berried lobsters or undersized crabs/lobsters. Mark any recreational pots correctly if you deploy them.
  • European seabass has seasonal catch-and-release/retention rules and a daily bag limit/size limit for recreational anglers; these change—check current MMO/IFCA guidance before retaining any bass.
  • The Helford is a designated bass nursery area for vessel-based fishing and part of a wider marine protected network; if fishing by boat or kayak inside the estuary, review the nursery boundaries and restrictions.
  • Some beaches and estate-adjacent areas may display local notices (e.g., swimming zones, seasonal restrictions, or private access lines); follow on-site signage.
  • No fires or camping on the headland, and take all litter—including line and lead—home.
  • Spearfishing and collecting shellfish are subject to specific rules and access rights; consult Cornwall IFCA and National Trust guidance for the immediate area.