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6.7 · Beach · Pembrokeshire
Tenby Castle Beach is a sheltered, sandy bay below Castle Hill, fished mainly as a classic clean-ground beach mark with occasional rock/weed edges at the castle end. Access is easy via Tenby town and steps/ramps onto the sand, but it’s a busy bathing beach in season, so fishing is best early/late and out of peak months. Expect short-to-medium casts into shallow surf and gutters at low water, with the chance of bass and flatfish, and occasional rays/dogfish after dark in settled conditions.
Today · Best window
Best window: 06:00-09:00 around the rising tide
Most likely species: Flounder and Bass
Fair conditions. Best around 06:00-09:00 around the rising tide. Good chance of Flounder and Bass.
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
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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: Tenby · Penally · New Hedges and Twy Cross · Saundersfoot · St Florence
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.
Tenby Castle Beach is a small, sheltered sandy bay tucked under the castle headland in the heart of Tenby. It can fish well for close-range species when conditions are right, but it’s a “situational” mark: busy in season, affected by tide height, and sometimes constrained by local bylaws and bathing activity.
The mark sits immediately below Tenby’s castle and town walls, accessed from the harbour/old town side and nearby beaches depending on tide height. It’s extremely convenient, but that also means heavy pedestrian traffic and limited “room to fish” at peak times.
Castle Beach is primarily a mixed-ground, light-tackle venue with a focus on small-to-medium species rather than long-range specialists. Species presence varies seasonally and with water clarity.
Fish it with tactics that suit short casts, mixed ground, and the likelihood of weed and snags near the castle rocks. A mobile approach—searching gullies, the sand/rock seam, and any channel—often out-fishes sitting in one spot.
This bay is sheltered compared with open-coast beaches, so it often fishes best when there’s a bit of tide movement and some colour in the water—without heavy surf. The shape of the beach means tide height strongly affects both access and the fishable area.
It’s generally an easy, urban mark, but the usual coastal hazards apply—especially around the castle rocks, seaweed-covered stone, and on bigger tides where the water rises quickly. Because it’s in the centre of town, you also need to consider public safety.
Being in Tenby, facilities are excellent compared with remote marks, which makes it ideal for quick sessions and travelling light. The trade-off is crowds and limited quiet water at peak times.
This mark rewards timing and finesse more than brute casting power. Fish when the beach is quieter, and focus on the seams: where sand meets rock, and where the tide line creates little channels.
There can be local restrictions around popular bathing beaches and within busy harbour/town frontage areas, and these can change seasonally or due to safety management. I can’t confirm a blanket ban specifically for Castle Beach, so treat it as potentially restricted and check before fishing.
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