Sea fishing mark
Borth-y-Gest Harbour
7-day fishing forecast for Borth-y-Gest Harbour
Tap a day to see the predicted bite rating, best windows, and the environmental signals used.
Next 7 days
Local tide times
Unlock the next 7 days + best bite windows → £3.99/mo
See the next good day — not just today.
Cancel anytime
Bite Rating
Selected day
Today
Forecast pending. Check back after the next update.
Forecast updated. Details will appear shortly.
Timeline view
Showing into tomorrow morning
Tide curve will appear once tide data is available.
All windows will appear once the forecast is loaded.
Why?
Explanations appear after the forecast syncs.
Premium forecast
Unlock extended windows, full tide curves, and 7-day planning.
- Full 7-day forecast calendar
- Hour-by-hour best windows + tide curve
£3.99/month • Cancel anytime • Secure checkout by Stripe
Why this window?
Borth-y-Gest Harbour is a small, sheltered tidal harbour at the head of the Dwyryd estuary, fished mainly from the harbour walls, slipway edges and nearby sand/mud at low water. It’s an easy-access mark for light-gear anglers, with calm water compared to the open coast; typical fishing is for flounder and mullet over sandy/muddy ground, with occasional bass on the flood and small gadoids in cooler months.
Last updated: 2 weeks ago
Jump to towns around this mark for more marks and guides.
Explore nearby towns: Porthmadog · Morfa Bychan · Tremadog · Penrhyndeudraeth · Harlech
Zoom and pan to explore access points and nearby marks.
Jump to guideOverall rating
Blend of catch potential, access, safety, and overall experience.
Category scores
Borth-y-Gest Harbour fishing guide
Borth-y-Gest Harbour is a small, sheltered estuary/harbour mark at the head of Tremadog Bay, best fished for mixed species on a rising tide and around the edges of the channels.
- A handy spot for short sessions and sheltered fishing when the open coast is unfishable.
- Expect a blend of estuary and sandy-bay species rather than consistent “big-fish” sport.
- Most productive when you can put a bait into deeper water without snagging in weed or harbour debris.
The mark sits around the harbour/estuary mouth at Borth-y-Gest, a short drive from Porthmadog, with access along the waterfront and adjacent foreshore.
- Access is generally on foot via the harbour front and nearby paths; distances are short but surfaces can be uneven.
- At low water the harbour area opens out into mud/sand with channels—plan your route so you don’t get cut off.
- Parking is typically in/around the village; be considerate with narrow roads, residents, and turning areas.
- Fish from the harbour edges only where safe and where you are not obstructing boats, slipways, or walkers.
This is a classic North Wales estuary/harbour venue where species vary with season, water clarity, and how much bait is moving through the channels.
- Bass: Often present in warmer months, especially on a flooding tide when sandeels/shrimp are pushed in.
- Flounder: Common estuary target, particularly over clean sand/mud near channel edges.
- Dab and other small flatfish: Possible over sandy patches, especially in cooler months.
- Mullet: Sometimes encountered in quiet, sheltered water; best targeted with light gear and subtle presentation.
- Schoolie codling/whiting (seasonal): Can show in colder months in the wider bay influence, though results vary.
- Eels and small rays are possible but not reliable; treat them as “bonus” captures rather than target species.
Success here usually comes from keeping your rig fishing cleanly and placing baits where tidal flow concentrates food—channel edges, the harbour mouth, and any deeper scours.
- Simple running ledger or pulley-style rigs with streamlined leads help keep contact in the tide without excessive snagging.
- For flounder: A running ledger with a longer snood and small bait (ragworm, maddie, or a thin strip of fish) fished near the bottom.
- For bass: Larger baits such as peeler crab, ragworm cocktails, or fish strip on a robust hook, presented on a flowing trace.
- For mullet (if present): Light lines, small hooks, and delicate baits; keep disturbance low and avoid heavy leads.
- Keep terminal tackle tidy—harbour marks can include weed, stones, and the occasional hidden obstruction.
- A bit of mobility helps: if bites don’t come within 20–30 minutes, try a different piece of edge or a slightly different casting angle to find the channel.
The harbour and estuary fish best with water over the flats and enough depth for fish to move in—most anglers do well from mid-tide up to high, then on the first of the ebb.
- Rising tide: Generally the most reliable window as fish push into newly covered ground.
- High water: Can be good for bass and mullet in calmer conditions; watch for increased boat activity.
- Low water: Often leaves extensive mud/sand; fish may concentrate in the main channels but access can be awkward.
- After a bit of colour: A slight tinge in the water can help bass; too much freshwater and colour can slow sport.
- Calm/settled weather: Favors mullet and finesse fishing; a light ripple can help conceal line and improve confidence.
- Strong winds: The mark is relatively sheltered, but crosswinds can make presentation difficult and can push weed into the harbour.
It’s an easy-looking venue that can bite back if you underestimate the tide and the nature of estuary ground.
- Soft mud and fast-filling channels: Avoid crossing unknown ground; you can be cut off quickly on a big flood.
- Slips and falls: Harbour stones and seaweed-covered steps can be extremely slippery—wear grippy footwear.
- Night fishing: Keep it simple and safe; use a headtorch and avoid moving far along the foreshore in the dark.
- Boat movements: Don’t cast across navigation lines or block slipways; retrieve promptly if boats approach.
- Weather and swell: Even sheltered marks can see surge at times—keep back from the edge if water is slapping the wall.
- Consider a personal flotation device if fishing close to deep water, especially in winter or when alone.
Borth-y-Gest is a small village setting with limited “on-the-spot” angling facilities, but essentials are usually within a short drive in the Porthmadog area.
- Public conveniences and refreshments may be seasonal—check locally before planning long sessions.
- Tackle, bait, and additional supplies are more reliably sourced in nearby towns rather than at the harbour itself.
- Mobile signal is often workable but can be variable depending on exact position and network.
- Please take litter and discarded line home; harbour environments are particularly sensitive to hooks and mono left behind.
Fishing this mark is often about subtlety and placement rather than power-casting—find the deeper water and keep your bait in it.
- Spend a few minutes at low-to-mid tide identifying the main channel and any deeper scours to target on the flood.
- Keep leads as light as you can while still holding bottom; over-weighting increases snags and kills bite detection.
- If small fish or crabs are a nuisance, toughen baits (fish strip, crab, or a protected cocktail) and shorten checks.
- Use longer casts only if they put you into the channel; many bites come from surprisingly close range.
- Handle bass and mullet carefully and return unwanted fish promptly—both can be fragile in warm weather.
- Be courteous: it’s a shared space with residents, walkers, and harbour users, and good behaviour keeps access friendly.
There is no single, universally posted rule-set I can safely quote for this specific harbour without current local confirmation, so treat this as a “check before you fish” venue.
- Look for harbour notices and signage regarding fishing, casting, access to slipways, and any seasonal restrictions.
- Some harbours restrict fishing from certain structures or at certain times for safety—confirm locally on arrival.
- Observe national and local byelaws on minimum sizes, protected species, and bait collection—check official sources for the current rules.
- If you intend to collect bait (lug, rag, shellfish), ensure it’s permitted on that foreshore and avoid protected areas.
- If asked to move by harbour staff or to avoid an operational area, do so promptly to maintain goodwill and safety.