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6.5 · Estuary · Swansea
Clyne Gardens/Blackpill Lido sits on the inner Swansea Bay shoreline where the River Clyne meets the bay, giving easy access from the promenade and slipways to broad sand and broken shingle at low water. Fishing is typically mixed-estuary and bay sport: flatfish and rays on clean ground, mullet and bass along the tide run and outfall/stream line, with best sport around dusk and on bigger tides when flow and colour increase.
Today · Best window
Best window: 06:00-09:00 around the rising tide
Most likely species: Flounder and Mullet (Thin-lipped)
Fair conditions. Best around 06:00-09:00 around the rising tide. Good chance of Flounder and Mullet (Thin-lipped).
Fishable, but pick your timing carefully.
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
Forecast pending. Check back after the next update.
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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: Singleton · Upper Killay · Bishopston · Northway · Dunvant
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.
Clyne Gardens / Blackpill Lido sits at the eastern end of Swansea Bay, where the River Clyne meets the sea beside the promenade and cycle path. It’s a convenient “grab-a-session” shore mark with a mix of sand, scattered rocks and a nearby estuary outflow that can draw fish, but it’s also exposed and can be snaggy in places.
You’re essentially fishing the foreshore in front of the promenade by Blackpill, close to the mouth of the River Clyne and the Lido area. Access is straightforward on foot, and you can usually choose between more open sandy stretches or areas with more rock and kelp depending on tide height.
This part of Swansea Bay is typical mixed-bag ground with an estuary influence, so expect mainly flatfish and small-to-medium predators, with seasonal variety. The river outflow can concentrate food, but clarity and weed can swing catches from great to poor quickly.
Because ground changes from clean sand to rougher patches, it pays to keep rigs simple and adapt your lead choice to what’s under you and how much tide is running. Light tides and calmer seas can favour more finesse; stronger tide or surf pushes you toward more grip and tougher presentations.
Tide and water colour matter here as much as bait, because Swansea Bay can be very clear in settled weather and quickly stirred up after wind. The Clyne outflow can add a little colour and scent line, and that’s often where fish patrol.
It’s an easy mark to reach but not one to take lightly when tide and surf build, because the bay is open and the foreshore can change quickly. The promenade is safe and level, but the transition to the beach can involve slippery stones and soft sand.
You’re right by Swansea’s seafront amenities, so it’s one of the more comfortable marks logistically, especially for short sessions. That convenience also means more people around, so plan accordingly.
This mark rewards mobility and observation—small changes in ground and water colour can make a big difference over a short distance. If you’re not getting bites, a short move can put you onto cleaner sand or a better channel.
This is a public seafront mark, and rules can change depending on local byelaws, nearby bathing/watersports management, or temporary restrictions. I’m not able to confirm any current signage or specific prohibitions for this exact spot, so treat it as “allowed unless posted otherwise” and check locally.
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