Is Porth Trecastell good for swimming today?
Porth Trecastell has BeachFinder Score: 77/100. Use this as a planning signal only, then check local flags, lifeguards, closures and current beach conditions.
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GB-EXT - GB
Porth Trecastell
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Shared BeachFinder spot: compare live conditions, water temperature, wind, UV, waves, currents, amenities and nearby alternatives before you leave.
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Quick answer
Quick answer: Porth Trecastell today
Porth Trecastell is a BeachFinder spot in GB-EXT, GB. Today, compare water temperature 17°C, wind 13 km/h · SW, uv 3.6, waves 0.4 m, water quality Check official advisories before leaving. BeachFinder Score: 77/100. Always check official flags, closures and lifeguard advice before swimming.
Water temperature
17°C
Wind
13 km/h · SW
UV
3.6
Waves
0.4 m
Water quality
Check official advisories
Last updated: Sep 9, 09:45 PM local forecast timeBeachFinder Score: 77/100
Sources: Open-Meteo weather and marine forecasts, OpenStreetMap place context and BeachFinder spot data.
This is planning information, not a safety clearance. Conditions can change quickly.
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Live conditions on the site
Surfers can check wind, wave height, currents and surf cues here before opening the full BeachFinder app.
Updated: Sep 9, 09:45 PM
Water temp
17°C
Air temp
15°C
Feels like
12°C
UV index
3.6
Wind
13 km/h · SW
Gust 22 km/h
Waves
0.4 m
Current
0 km/h · NE
Parking
...
Shower
...
Accessible access
...
Toilets
...
Restaurants
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Weather and marine data: Open-Meteo
Porth Trecastell
The evidence confirms Porth Trecastell as a real beach point in United Kingdom. That fact cannot become a timeless swimming recommendation; match the intended activity to current water, wind and local guidance. That distinction matters: the location changes slowly, while marine conditions can change before you arrive. The verified dossier gives a narrower, more useful picture. The stable place data describes a sand shoreline surface. The linked Wikidata item classifies the feature as “beach in Wales.” The recorded map position is 53.20719, -4.49780, which helps distinguish this beach from similarly named places. The dossier locates Traeth Bychan at about 23.1 km and Lligwy Beach at about 23.4 km within the comparison area; check each update time before selecting one. Make the day plan only after comparing the live and official layers. Visitors most often need to resolve surf exposure, breaking waves and the latest wind; the current arrival plan, legal access and local signage. Verify each point for the planned hour rather than relying on an old summary. Do not override a warning because the forecast looked favourable; local closures and lifeguard directions are the controlling advice. A beach ranking cannot see every local change. Construction, erosion, event traffic or a temporary closure can outweigh the usual distance and conditions score.
About this spot
The planning value of Porth Trecastell comes from specificity. Instead of relying on a broad label for United Kingdom, readers can anchor the visit to this mapped beach, inspect documented details and reopen the live comparison when the weather or access picture changes. The dossier locates Traeth Bychan at about 23.1 km and Lligwy Beach at about 23.4 km within the comparison area; check each update time before selecting one.
Updated 7/10/2026
Frequently asked questions
What is the water temperature at Porth Trecastell today?
17°C. Marine temperature is shown when forecast coverage is available for this location.
How windy is Porth Trecastell today?
13 km/h · SW. Wind can change comfort and surface conditions, especially on exposed beaches.
What should I check before swimming at Porth Trecastell?
Check official safety flags, lifeguard advice, closures, water-quality advisories, UV, wind, waves and currents before entering the water.
Before you go
Conditions
Compare water temperature, air temperature, feels-like temperature, UV index, wind, waves and currents. Surf-focused data appears when a marine model covers the spot.
Amenities
BeachFinder checks parking, showers, toilets, accessible places and restaurants around the spot with OpenStreetMap and shows them in the counters and map.
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Other nearby spots
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Hotels and rentals near Porth Trecastell
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Porth Trecastell
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