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6.8 · Beach · Isle of Anglesey
Cable Bay (Porth Trecastell) is a small, sheltered sandy cove with rocky edges and scattered weed-covered boulders, giving mixed ground fishing at short range. Access is easy via the coastal path and nearby parking, then a short walk onto the sand or rocks; it’s a useful venue when the open coast is rough. Expect clean sand for flatfish and rays in the bay, with wrasse, pollack and occasional conger tight to the kelpy fringes and rockier sides.
Today · Best available
Best available: 18:00-21:00 around the falling tide
Most likely species: Plaice and Ballan Wrasse
Poor conditions. Best available around 18:00-21:00 around the falling tide, but no window reaches the strong threshold today. Good chance of Plaice and Ballan Wrasse.
Consider a backup mark if conditions do not improve.
Scores and best windows are weighted for .
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.
Next 7 days · Aug 6–12, 2026
Local tide times
Tuesday looks better than today. Unlock the week to see its score and exact window.
Fishing rating
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Bite opportunity
Comfort
Safety check
Strong spring tides — the sea rises faster and reaches further up the shore than usual, so allow extra margin on access routes and cut-off points.
The fishing rating combines opportunity and comfort. Always check local sea conditions; the safety check is guidance, not a guarantee.
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.
Tide curve will appear once tide data is available.
All windows will appear once the forecast is loaded.
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Why this window?
Bite
Comfort
Safety
What's moving this score
This window is scored for — its season, preferred tide, temperature and sea state are weighed alongside the general conditions below.
Mixed signals; focus on timing and location.
Trip planner
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.
Jump to towns around this mark for more marks and guides.
Explore nearby towns: Bryn Du · Rhosneigr · Llanfairyneubwll · Rhoscolyn · Bryngwran
Zoom and pan to explore access points and nearby marks.
Jump to guideForecast tuning currently supports Bass and Mackerel — more species are on the way.
Overall rating
Blend of catch potential, access, safety, and overall experience.
Category scores
Local knowledge
Practical access, seasons, methods, tides, safety and facilities for this mark.
Cable Bay on Anglesey is a small, sheltered sandy bay with rocky edges that can fish well for a mix of close‑range species, especially when there’s a bit of surf or coloured water. It’s not a “big-cast” venue so much as a mark for working features—gut, corner rocks, and any kelp line—methodically.
Cable Bay sits on the north coast of Anglesey and is reached via local roads to the small beach area, then a short walk onto sand. Access is generally straightforward in calm weather, but the bay’s corners and any rock platforms require care.
Cable Bay’s mixed habitat—sand with nearby rock/weed—means you’re fishing for classic inshore species rather than deep-water specialists. Catches vary a lot with season, water clarity, and whether surf is running.
This is a mark where presentation and placing a bait into the right feature usually beats brute distance. Adjust your approach depending on whether you’re fishing clean sand or bringing the rocky edges into play.
Cable Bay is sensitive to sea state: a little swell and colour can switch it on, while heavy weed or a big blow can make it hard work. Tide height changes how much of the bay fishes and whether the rocky edges are usable.
It’s a relatively sheltered venue by Anglesey standards, but the usual North Wales coastal hazards still apply—especially around wet rock, swell, and rising tides. The beach itself is the safest option in most conditions.
Facilities are limited and depend on the immediate access point and season. Plan as if you’ll be self-sufficient for bait, food, and basic needs.
Cable Bay rewards anglers who keep mobile and fish the features rather than sitting in one spot for hours. Spend time watching the water before you cast and you’ll usually find the most productive line.
There’s no widely publicised, single blanket ban that clearly applies to “Cable Bay” as a named angling mark, but local restrictions can exist due to conservation, access rules, or temporary signage. Treat this as a check-before-you-fish venue and follow local guidance on the day.
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