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6.5 · Beach · Conwy
Colwyn Bay is a long, gently shelving open beach on the north Wales coast, fished mainly from sand/shingle at easy walk-on access points along the promenade and slipways. It’s a classic surf mark with best sport around the flooding tide and after a bit of swell, producing mixed flatfish and dogfish/whiting in season, plus occasional rays; in calm summer conditions, lighter gear can pick up small bass and mackerel within casting range.
Today · Best available
Best available: 18:00-21:00
Most likely species: Plaice and Flounder
Poor conditions. Best available around 18:00-21:00, 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
Friday 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: Colwyn Bay · Penrhyn Bay · Bryn Pydew · Mynydd Marian · Penrhyn-side
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.
Colwyn Bay is a classic North Wales shore mark offering easy access, a long stretch of sand, and a mix of pleasure fishing and genuine sport when conditions line up. It’s a versatile venue that can fish well for flatties and school bass in summer, with codling/whiting and rays possible in the colder months depending on season and weather.
Colwyn Bay sits on the north coast of Conwy County Borough, with a wide promenade-fronted beach and several access points down onto the sand. The mark is essentially a long, open bay, so you can spread out and find quieter water away from the busiest areas.
Colwyn Bay is predominantly clean ground, so expect the usual sandy-beach species, with occasional surprises when baitfish are present or after rough weather has shifted food around. The species mix can change quickly with water clarity, swell, and tide size.
Most anglers fish Colwyn Bay with standard beach tactics, scaling up or down depending on surf and tide run. Because the ground is generally clean, you can fish longer traces and lighter leads when conditions allow.
Like many open sandy bays, Colwyn Bay tends to fish best when there’s some movement and a bit of colour in the water, but not so much surf that presentation is ruined. Bigger tides can help bring fish in, while smaller tides can be great for finesse flattie fishing.
This is a comparatively safe and accessible shore venue, but it’s still a tidal, open-coast beach with changing conditions. The main risks are fast-changing surf, soft sand in places, and busy public areas along the promenade.
Colwyn Bay has the big advantage of being a town-front mark with amenities close by, making it friendly for short sessions and family-friendly trips. What’s available varies by exact access point and season.
Colwyn Bay rewards anglers who adapt to conditions and keep things simple—presentation and location on the day often matter more than complicated rigs. Small changes, like moving 100 yards to find a gutter, can transform a session.
Sea angling is generally permitted from the open beach in North Wales, but Colwyn Bay is a busy public frontage and may have local bylaws, seasonal restrictions, or limited no-fishing zones near specific structures or events. Because rules can change, rely on signage and official sources rather than hearsay.
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