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6.8 · Harbour · Vale of Glamorgan
The Knap is a sheltered inner-Bristol Channel shore mark around the prom and small harbour at Barry Island, fished mainly from the sea wall/harbour edges and nearby mixed sand-and-rock patches. Access is easy on foot from Knap Gardens and the promenade, with short walks to level casting spots; it suits light-to-medium tackle for mixed species, with best sport around the flooding tide when clearer water pushes in. Expect snaggy ground close in where rock meets sand, and a more open sandy area toward the bay for flatfish and dogfish.
Today · Best available
Best available: 18:00-21:00 around the rising tide
Most likely species: Plaice and Flounder
Poor conditions. Best available around 18:00-21:00 around the rising tide, but no window reaches the strong threshold today. Good chance of Plaice and Flounder.
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
Wednesday 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.
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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.
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Choose when you're free and what you want to catch. We'll show the best tide, weather window and method for this mark.
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Jump to towns around this mark for more marks and guides.
Explore nearby towns: Barry (Vale of Glamorgan) · Rhoose · Holton · Wenvoe · East Aberthaw
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.
The Knap at Barry is a classic, easily-accessed Vale of Glamorgan shore mark offering mixed fishing over rough ground close in and sandier patches further out. It’s best thought of as a generalist venue: you can scratch out wrasse and dogfish most of the year, with seasonal chances of bass, flounder and the odd better fish when conditions line up.
The Knap sits on Barry’s seafront by the promenade and parkland, with fishing from the sea wall/rocky edges and, depending on tide, nearby beaches/rock platforms. Access is straightforward from the town side, but be prepared for slippery algae and uneven rock if you drop down below the promenade level.
You’re fishing a typical Bristol Channel inshore mix here, with rough-ground species close and flatter-ground species on the sandier lanes. Summer and early autumn are the prime time for bass activity, while colder months can bring flounder and general “winter bits”.
Because The Knap is mixed ground, bring a couple of rigs and be ready to adapt to snags and tide run. Lure, float, and light legering all work, but keeping tackle robust enough for rough ground is key.
This is a Bristol Channel venue, so tidal range and flow can be significant; timing and lead choice matter. It often fishes best with some depth over the rocks and a bit of water colour, but it can become awkward or unfishable on certain rock platforms at very low water.
The Knap is convenient, but the shoreline is still a serious environment with slippery rock, fast tidal changes, and occasional swell rebound off sea walls. Choose a safe stance, keep an eye on the tide, and avoid dropping onto isolated platforms you can’t retreat from quickly.
As a town-front mark, The Knap benefits from nearby amenities, making it comfortable for short sessions. That said, you should still arrive self-sufficient for tackle losses and changing conditions.
This is a “read the water” mark: fish the gullies, corners and any darker lanes that suggest depth, and don’t be afraid to move if nothing shows. Keeping your end tackle simple and snag-resistant will usually outfish more complicated rigs here.
I’m not aware of a blanket, permanent prohibition on angling at The Knap itself, but local rules can change and some seafront areas may have restrictions for public safety or byelaws. Treat signage on the promenade and access points as authoritative, and verify current rules before you fish.
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