Borth-y-Gest

6.5 · Beach · Gwynedd

Borth-y-Gest is a sheltered, scenic bay just south of Porthmadog, with easy access from the village to the sandy beach and nearby rocky edges. Most shore fishing is from the sand and mixed ground, casting into the bay on rising tides for flatties and dogfish, or working closer to the rockier margins for wrasse and occasional bass. It’s a comfortable mark in settled weather but becomes snaggy near the rocks and can fish best around high water when depth covers the shallows.

Should you fish Borth-y-Gest?

53 Fair

Today · Best available

Best available: 03:00-06:00

Most likely species: Lesser Spotted Dogfish and Bass

Fair conditions. Best available around 03:00-06:00, but no window reaches the strong threshold today. Good chance of Lesser Spotted Dogfish and Bass.

W 4 mph Rain 95% High tide 01:57

Fishable, but pick your timing carefully.

Plan this mark

7-day fishing forecast for Borth-y-Gest — 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.

Tuesday looks better than today. Unlock the week to see its score and exact window.

· 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.

Now

Tide curve will appear once tide data is available.

All windows will appear once the forecast is loaded.

Premium forecast

Unlock exact best windows, tactics and backup options for this mark.

Trip planner

Find the best time to fish Borth-y-Gest

Choose when you're free and what you want to catch. We'll show the best tide, weather window and method for this mark.

Premium unlocks exact windows, tactics and alerts.

Premium Mark Insight

Locked

Borth-y-Gest fishes like a sheltered estuary-mouth bay rather than a simple open beach. The key is finding the first usable depth on the flood: gutters, channel lips, darker moving water and small depth changes often matter more than distance. Expect best chances for plaice, dabs, flounder and dogfish from the sand and mixed ground, with occasional bass on edges in coloured water and wrasse tight to the rockier fringes at higher water.

  • Find the first real depth on the flood instead of casting blind across the flats.
  • Know when to fish clean sand for plaice and when to shift to channel edges.
  • Use the bay as a sheltered fallback without ignoring its estuary hazards.
  • Target dogfish, bass, wrasse and flatfish in the right parts of the tide.
  • Avoid the low-water traps that make Borth-y-Gest look easier than it is.

Included with Premium

Cancel anytime · Stripe

Unlock this mark's plan

Zoom and pan to explore access points and nearby marks.

Jump to guide

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

Overall rating

6.5 /10

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

Category scores

Catch Potential 6/10
Species Variety 6/10
Scenery & Comfort 9/10
Safety 7/10
Accessibility 8/10

Local knowledge

Borth-y-Gest fishing guide

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

Borth-y-Gest is a classic, sheltered estuary-and-bay venue just outside Porthmadog, offering a mix of sandy flats, broken ground and channel edges that can fish very differently depending on tide height and water clarity.

  • Best thought of as an “estuary mouth” mark: you’re often targeting fish moving along gutters and drop-offs rather than sitting over a single rough patch.
  • It’s a good option when the open coast is too rough, but it’s not a “cast anywhere” venue—position and timing matter.
  • Expect variety: flatties and school bass in the warmer months, with occasional better fish for those who learn the channels.

The mark sits on the Dwyryd estuary side of the coast at Borth-y-Gest, with easy access to beach and shoreline areas around the bay and nearby channels.

  • Access is generally straightforward from the village: short walks put you onto sand and mud/sand flats at low water and firmer sand on the ebb/flood.
  • The fishing is spread out: you can work along the beach, the bay edges and anywhere you can safely reach the channel margins.
  • Parking can be limited in peak season; be considerate and avoid blocking narrow roads and driveways.
  • Some routes cross softer ground at low water—pick access points that keep you on firmer sand or established paths.

Borth-y-Gest is a “mixed-bag” venue where species follow the tide lines and bait movement, rather than living permanently in one snaggy feature.

  • Bass (including school fish) can show on flooding tides, especially in warmer months and when there’s sandeel/small baitfish about.
  • Flatfish such as flounder and plaice are the bread-and-butter over clean sand and along subtle gutters.
  • Mullet can appear in calmer conditions around sheltered areas and creek/estuary influence.
  • Whiting and codling are possible in colder seasons in the wider area, but catches are often very tide-and-condition dependent.
  • Eels and small rays/dogs can turn up where there’s estuary influence and food being pushed along the channel edges.

Success here usually comes from fishing the structure you can’t always see: the gutters, channel lips and seams created by the estuary flow.

  • For bass: fish peeler crab, lug/rag, or small fish baits on the flood, aiming to place baits near the edge of deeper water rather than the dead-flat sand.
  • For flounder/plaice: lug/rag cocktails, maddies, or small crab baits on flowing traces over clean ground; keep hook sizes sensible for smaller-mouthed fish.
  • Keep rigs simple to avoid collecting weed/silt: 1–2 hook flapper or a running ledger works well when the tide is pushing.
  • In calmer, clearer spells, lighter leads and longer hooklengths can help—especially for flatfish.
  • If you’re unsure where the channel is, use short exploratory casts as the tide fills, and reposition once you “find the drop.”

The venue is strongly tide-driven: the productive areas can shift by tens of metres as the water rises and channels re-form.

  • The flooding tide is often the key period, with fish moving in on fresh water and feeding as the current picks up.
  • Low water can expose extensive flats; fishing can be limited until enough depth returns to bring fish close.
  • Slight colour in the water can help bass; very clear, calm conditions can make fish cautious (especially in daylight).
  • After sustained rain, the estuary influence can change clarity and salinity—sometimes it switches fish on, sometimes it scatters them.
  • Treat spring tides with respect: faster currents and more ground uncovered at low water can make returns to shore more committing.

Although sheltered, Borth-y-Gest has genuine estuary hazards—soft ground and fast-filling water are the main risks.

  • Beware soft mud/silt patches, especially near creeks and channel edges; if you’re unsure, don’t cross unfamiliar ground at low water.
  • The tide can come in quickly and cut off low-lying routes; always plan your exit before you start fishing.
  • Wading is generally not worth the risk here—depth and firmness change rapidly with the tide.
  • Wear appropriate footwear for slippery rock/algae if you move onto any harder shoreline sections.
  • Night fishing is effective but increases risk on featureless flats; use a headtorch, keep to known lines, and fish with a buddy where possible.

Facilities are convenient thanks to the village setting, but they’re seasonal and can be busy.

  • Nearby amenities (shops/cafés) are usually available in the village or close by in Porthmadog.
  • Public toilets and parking availability can vary with season and local arrangements—check locally on arrival.
  • Tackle and bait options are typically easier to source in and around larger nearby towns; don’t rely on finding specialist bait late in the day.
  • Mobile reception is generally reasonable in the area, but don’t assume it’s perfect on the shoreline.

A little observation goes a long way here—watch the water as much as you fish it.

  • Arrive an hour or two before your intended fishing window and note where the deeper run is (darker water, faster movement, small standing waves).
  • Fish the “first meaningful depth” on the flood rather than waiting for high water; that’s often when bass and flatties first push in.
  • If bites are scarce on the open sand, move 20–30 metres at a time to locate a gutter—small changes in depth can transform results.
  • Keep baits fresh and neat; estuary fish can be surprisingly picky in clear, calm conditions.
  • Be mindful of other water users and local residents, especially in summer—quiet, tidy anglers keep access friendly.

There is no single, widely publicised blanket ban that applies specifically to all shore angling at “Borth-y-Gest” as a named mark, but regulations and access rules can apply depending on exactly where you fish.

  • Check for local signage about access restrictions, seasonal controls, or protected habitats (common around estuaries and dune/saltmarsh systems).
  • Parts of the wider estuary/coastline may sit within conservation designations; these don’t automatically ban angling, but they can affect what you must not disturb.
  • Observe any byelaws on bait collection, size limits and methods—rules can change and may differ between estuary sections.
  • If you intend to fish very close to the harbour/boat activity areas nearby, confirm you’re not in a restricted navigation/safety zone.
  • When in doubt, ask locally (harbour office/local authority/nearby tackle shop) and follow posted guidance on the day.